On 2016-02-20, at 10:47 PM, James Bottomley wrote: > On Sat, 2016-02-20 at 21:52 -0500, John David Anglin wrote: >> On 2016-02-20, at 5:52 PM, John David Anglin wrote: >> >>> On 2016-02-20, at 4:59 PM, Helge Deller wrote: >>> >>>> On 20.02.2016 21:43, John David Anglin wrote: >>>>> On 2016-02-20, at 3:13 PM, John David Anglin wrote: >>>>> >>>>>> On 2016-01-23, at 1:00 PM, John David Anglin wrote: >>>>>> >>>>>>> WARNING: at block/blk-merge.c:454 >>>>>> >>>>>> With linux-image-4.4.0-1-parisc64-smp on c3740, the above >>>>>> warning is the last message I see. >>>>>> Kernel seems to hang at that point. This is warning code: >>>>>> >>>>>> /* >>>>>> * Something must have been wrong if the figured number >>>>>> of >>>>>> * segment is bigger than number of req's physical >>>>>> segments >>>>>> */ >>>>>> WARN_ON(nsegs > rq->nr_phys_segments); >>>>> >>>>> On Sep. 12, 2015, I reported the following problem: >>>>> >>>>> http://www.spinics.net/lists/linux-parisc/msg06327.html >>>> >>>> The problem is still, that this bug can only be reproduced at >>>> every boot when then >>>> scsi drivers are built as modules (and in an initrd). I could >>>> never reproduce it when >>>> I booted a kernel with built-in scsi drivers. >>>> >>>> The bug seems to be triggered by(*nsegs)++ command in >>>> __blk_segment_map_sg() in block/blk-merge.c. >>>> I'm testing with the 4.4.2 kernel from debian. >>>> I modified __blk_segment_map_sg() like that: >>>> static inline void >>>> __blk_segment_map_sg(struct request_queue *q, struct bio_vec >>>> *bvec, >>>> struct scatterlist *sglist, struct bio_vec >>>> *bvprv, >>>> struct scatterlist **sg, int *nsegs, int >>>> *cluster) >>>> { >>>> >>>> int nbytes = bvec->bv_len; >>>> >>>> if (*sg && *cluster) { >>>> if ((*sg)->length + nbytes > >>>> queue_max_segment_size(q)) >>>> goto new_segment; >>>> >>>> if (!BIOVEC_PHYS_MERGEABLE(bvprv, bvec)) >>>> goto new_segment; >>>> if (!BIOVEC_SEG_BOUNDARY(q, bvprv, bvec)) >>>> goto new_segment; >>>> >>>> (*sg)->length += nbytes; >>>> } else { >>>> new_segment: >>>> if (*sg && *cluster) { >>>> printk("NEW SEGMENT sg = %p!!!\n", sg); >>>> printk("__blk_segment_map_sg: length = %d, >>>> nbytes = %d, sum = %d > %d\n", (*sg)->length, nbytes, (*sg) >>>> ->length + nbytes, queue_max_segment_size(q)); >>>> printk("__blk_segment_map_sg: >>>> BIOVEC_PHYS_MERGEABLE = %d, BIOVEC_SEG_BOUNDARY = %d\n", >>>> BIOVEC_PHYS_MERGEABLE(bvprv, bvec), BIOVEC_SEG_BOUNDARY(q, bvprv, >>>> bvec) ); >>>> } >>>> if (!*sg) >>>> *sg = sglist; >>>> else { >>>> /* >>>> * If the driver previously mapped a >>>> shorter >>>> * list, we could see a termination bit >>>> * prematurely unless it fully inits the sg >>>> * table on each mapping. We KNOW that >>>> there >>>> * must be more entries here or the driver >>>> * would be buggy, so force clear the >>>> * termination bit to avoid doing a full >>>> * sg_init_table() in drivers for each >>>> command. >>>> */ >>>> sg_unmark_end(*sg); >>>> *sg = sg_next(*sg); >>>> } >>>> >>>> sg_set_page(*sg, bvec->bv_page, nbytes, bvec >>>> ->bv_offset); >>>> (*nsegs)++; >>>> } >>>> *bvprv = *bvec; >>>> } >>>> >>>> The boot log looks then like this: >>>> [ 43.044000] scsi_init_sgtable: count = 1, nents = 1 >>>> (there are lots of those before it!) >>>> [ 43.164000] scsi_init_sgtable: nr_phys_segments = 1 >>>> [ 43.164000] scsi_init_sgtable: count = 1, nents = 1 >>>> [ 43.280000] scsi_init_sgtable: nr_phys_segments = 1 >>>> [ 43.280000] scsi_init_sgtable: count = 1, nents = 1 >>>> [ 43.396000] scsi_init_sgtable: nr_phys_segments = 1 >>>> [ 43.396000] scsi_init_sgtable: count = 1, nents = 1 >>>> [ 43.512000] scsi_init_sgtable: nr_phys_segments = 1 >>>> [ 43.512000] scsi_init_sgtable: count = 1, nents = 1 >>>> [ 43.628000] scsi_init_sgtable: nr_phys_segments = 3 >>>> [ 43.628000] NEW SEGMENT sg = 000000007fa911e8!!! >>>> [ 43.628000] __blk_segment_map_sg: length = 4096, nbytes = >>>> 4096, sum = 8192 > 65536 >>>> [ 43.628000] __blk_segment_map_sg: BIOVEC_PHYS_MERGEABLE = 0, >>>> BIOVEC_SEG_BOUNDARY = 1 >>>> [ 43.628000] NEW SEGMENT sg = 000000007fa911e8!!! >>>> [ 43.628000] __blk_segment_map_sg: length = 4096, nbytes = >>>> 4096, sum = 8192 > 65536 >>>> [ 43.628000] __blk_segment_map_sg: BIOVEC_PHYS_MERGEABLE = 0, >>>> BIOVEC_SEG_BOUNDARY = 1 >>>> [ 43.628000] scsi_init_sgtable: count = 3, nents = 3 >>>> [ 44.224000] scsi_init_sgtable: nr_phys_segments = 1 >>>> [ 44.224000] scsi_init_sgtable: count = 1, nents = 1 >>>> [ 44.340000] scsi_init_sgtable: nr_phys_segments = 1 >>>> [ 44.340000] scsi_init_sgtable: count = 1, nents = 1 >>>> [ 44.456000] scsi_init_sgtable: nr_phys_segments = 7 >>>> [ 44.456000] NEW SEGMENT sg = 00000000bfca0f98!!! >>>> [ 44.456000] __blk_segment_map_sg: length = 4096, nbytes = >>>> 4096, sum = 8192 > 65536 >>>> [ 44.456000] __blk_segment_map_sg: BIOVEC_PHYS_MERGEABLE = 0, >>>> BIOVEC_SEG_BOUNDARY = 1 >>>> [ 44.456000] NEW SEGMENT sg = 00000000bfca0f98!!! >>>> [ 44.456000] __blk_segment_map_sg: length = 4096, nbytes = >>>> 4096, sum = 8192 > 65536 >>>> [ 44.456000] __blk_segment_map_sg: BIOVEC_PHYS_MERGEABLE = 0, >>>> BIOVEC_SEG_BOUNDARY = 1 >>>> [ 44.456000] NEW SEGMENT sg = 00000000bfca0f98!!! >>>> [ 44.456000] __blk_segment_map_sg: length = 4096, nbytes = >>>> 4096, sum = 8192 > 65536 >>>> [ 44.456000] __blk_segment_map_sg: BIOVEC_PHYS_MERGEABLE = 0, >>>> BIOVEC_SEG_BOUNDARY = 1 >>>> [ 44.456000] NEW SEGMENT sg = 00000000bfca0f98!!! >>>> [ 44.456000] __blk_segment_map_sg: length = 4096, nbytes = >>>> 4096, sum = 8192 > 65536 >>>> [ 44.456000] __blk_segment_map_sg: BIOVEC_PHYS_MERGEABLE = 0, >>>> BIOVEC_SEG_BOUNDARY = 1 >>>> [ 44.456000] NEW SEGMENT sg = 00000000bfca0f98!!! >>>> [ 44.456000] __blk_segment_map_sg: length = 4096, nbytes = >>>> 4096, sum = 8192 > 65536 >>>> [ 44.456000] __blk_segment_map_sg: BIOVEC_PHYS_MERGEABLE = 0, >>>> BIOVEC_SEG_BOUNDARY = 1 >>>> [ 44.456000] NEW SEGMENT sg = 00000000bfca0f98!!! >>>> [ 44.456000] __blk_segment_map_sg: length = 4096, nbytes = >>>> 4096, sum = 8192 > 65536 >>>> [ 44.456000] __blk_segment_map_sg: BIOVEC_PHYS_MERGEABLE = 0, >>>> BIOVEC_SEG_BOUNDARY = 1 >>>> [ 44.456000] scsi_init_sgtable: count = 7, nents = 7 >>>> [ 44.456000] timer_interrupt(CPU 0): delayed! cycles 4527081F >>>> rem C6C21 next/now 14E153306E/14E146C44D >>>> [ 46.116000] scsi_init_sgtable: nr_phys_segments = 7 >>>> [ 46.116000] NEW SEGMENT sg = 00000000bfca0f98!!! >>>> [ 46.116000] __blk_segment_map_sg: length = 4096, nbytes = >>>> 4096, sum = 8192 > 65536 >>>> [ 46.116000] __blk_segment_map_sg: BIOVEC_PHYS_MERGEABLE = 0, >>>> BIOVEC_SEG_BOUNDARY = 1 >>>> [ 46.116000] NEW SEGMENT sg = 00000000bfca0f98!!! >>>> [ 46.116000] __blk_segment_map_sg: length = 4096, nbytes = >>>> 4096, sum = 8192 > 65536 >>>> [ 46.116000] __blk_segment_map_sg: BIOVEC_PHYS_MERGEABLE = 0, >>>> BIOVEC_SEG_BOUNDARY = 1 >>>> [ 46.116000] NEW SEGMENT sg = 00000000bfca0f98!!! >>>> [ 46.116000] __blk_segment_map_sg: length = 4096, nbytes = >>>> 4096, sum = 8192 > 65536 >>>> [ 46.116000] __blk_segment_map_sg: BIOVEC_PHYS_MERGEABLE = 0, >>>> BIOVEC_SEG_BOUNDARY = 1 >>>> [ 46.116000] NEW SEGMENT sg = 00000000bfca0f98!!! >>>> [ 46.116000] __blk_segment_map_sg: length = 4096, nbytes = >>>> 4096, sum = 8192 > 65536 >>>> [ 46.116000] __blk_segment_map_sg: BIOVEC_PHYS_MERGEABLE = 0, >>>> BIOVEC_SEG_BOUNDARY = 1 >>>> [ 46.116000] NEW SEGMENT sg = 00000000bfca0f98!!! >>>> [ 46.116000] __blk_segment_map_sg: length = 8192, nbytes = >>>> 4096, sum = 12288 > 65536 >>>> [ 46.116000] __blk_segment_map_sg: BIOVEC_PHYS_MERGEABLE = 0, >>>> BIOVEC_SEG_BOUNDARY = 1 >>>> [ 46.116000] NEW SEGMENT sg = 00000000bfca0f98!!! >>>> [ 46.116000] __blk_segment_map_sg: length = 16384, nbytes = >>>> 4096, sum = 20480 > 65536 >>>> [ 46.116000] __blk_segment_map_sg: BIOVEC_PHYS_MERGEABLE = 0, >>>> BIOVEC_SEG_BOUNDARY = 1 >>>> [ 46.116000] scsi_init_sgtable: count = 7, nents = 7 >>>> [ 46.116000] timer_interrupt(CPU 0): delayed! cycles 453F0A77 >>>> rem 223089 next/now 152BB6286E/152B93F7E5 >>>> [ 47.780000] scsi_init_sgtable: nr_phys_segments = 1 >>>> [ 47.780000] scsi_init_sgtable: count = 1, nents = 1 >>>> [ 47.896000] scsi_init_sgtable: nr_phys_segments = 6 >>>> [ 47.896000] NEW SEGMENT sg = 000000007fa911e8!!! >>>> [ 47.896000] __blk_segment_map_sg: length = 61440, nbytes = >>>> 4096, sum = 65536 > 65536 >>>> [ 47.896000] __blk_segment_map_sg: BIOVEC_PHYS_MERGEABLE = 0, >>>> BIOVEC_SEG_BOUNDARY = 1 >>>> [ 47.896000] NEW SEGMENT sg = 000000007fa911e8!!! >>>> [ 47.896000] __blk_segment_map_sg: length = 4096, nbytes = >>>> 4096, sum = 8192 > 65536 >>>> [ 47.896000] __blk_segment_map_sg: BIOVEC_PHYS_MERGEABLE = 0, >>>> BIOVEC_SEG_BOUNDARY = 1 >>>> [ 47.896000] NEW SEGMENT sg = 000000007fa911e8!!! >>>> [ 47.896000] __blk_segment_map_sg: length = 4096, nbytes = >>>> 4096, sum = 8192 > 65536 >>>> [ 47.896000] __blk_segment_map_sg: BIOVEC_PHYS_MERGEABLE = 0, >>>> BIOVEC_SEG_BOUNDARY = 1 >>>> [ 47.896000] NEW SEGMENT sg = 000000007fa911e8!!! >>>> [ 47.896000] __blk_segment_map_sg: length = 8192, nbytes = >>>> 4096, sum = 12288 > 65536 >>>> [ 47.896000] __blk_segment_map_sg: BIOVEC_PHYS_MERGEABLE = 0, >>>> BIOVEC_SEG_BOUNDARY = 1 >>>> [ 47.896000] NEW SEGMENT sg = 000000007fa911e8!!! >>>> [ 47.896000] __blk_segment_map_sg: length = 8192, nbytes = >>>> 4096, sum = 12288 > 65536 >>>> [ 47.896000] __blk_segment_map_sg: BIOVEC_PHYS_MERGEABLE = 0, >>>> BIOVEC_SEG_BOUNDARY = 1 >>>> [ 47.896000] scsi_init_sgtable: count = 6, nents = 6 >>>> [ 47.896000] timer_interrupt(CPU 0): delayed! cycles 3AB087E2 >>>> rem 23E4DE next/now 1570BBD5EE/157097F110 >>>> [ 49.324000] scsi_init_sgtable: nr_phys_segments = 1 >>>> [ 49.324000] scsi_init_sgtable: count = 1, nents = 1 >>>> [ 49.440000] scsi_init_sgtable: nr_phys_segments = 2 >>>> [ 49.440000] NEW SEGMENT sg = 000000007fa911e8!!! >>>> [ 49.440000] __blk_segment_map_sg: length = 65536, nbytes = >>>> 4096, sum = 69632 > 65536 >>>> >>>> (this is interesting! Here we reach a sum of > 65536 the first >>>> time) >>>> >>>> [ 49.440000] __blk_segment_map_sg: BIOVEC_PHYS_MERGEABLE = 1, >>>> BIOVEC_SEG_BOUNDARY = 1 >>>> [ 49.440000] NEW SEGMENT sg = 000000007fa911e8!!! >>>> [ 49.440000] __blk_segment_map_sg: length = 16384, nbytes = >>>> 4096, sum = 20480 > 65536 >>>> [ 49.440000] __blk_segment_map_sg: BIOVEC_PHYS_MERGEABLE = 0, >>>> BIOVEC_SEG_BOUNDARY = 1 >>>> [ 49.440000] *** FIXIT *** HELGE: nsegs > rq->nr_phys_segments >>>> = 3 > 2 >>>> [ 49.440000] scsi_init_sgtable: count = 3, nents = 2 >>>> [ 50.116000] ------------[ cut here ]------------ >>>> [ 50.172000] WARNING: at /build/linux-4.4/linux >>>> -4.4.2/drivers/scsi/scsi_lib.c:1104 >>>> >>>> (this is usually a BUG(). I changed it to WARN() in the hope it >>>> would work anyway. It didn't.) >>>> >>>> [ 50.260000] Modules linked in: sd_mod sr_mod cdrom ata_generic >>>> ohci_pci ehci_pci ohci_hcd ehci_hcd pata_ns87415 sym53c8xx libata >>>> scsi_transport_spi scsi_mod usbcorep >>>> [ 50.456000] CPU: 0 PID: 70 Comm: systemd-udevd Not tainted >>>> 4.4.0-1-parisc64-smp #5 Debian 4.4.2-2 >>>> [ 50.564000] task: 000000007f948b28 ti: 000000007fa90000 >>>> task.ti: 000000007fa90000 >>>> [ 50.652000] >>>> [ 50.672000] YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI >>>> [ 50.728000] PSW: 00001000000001001111100100001110 Not tainted >>>> [ 50.796000] r00-03 000000ff0804f90e 00000000409ea2e0 >>>> 00000000003e2ee0 000000007fa91140 >>>> [ 50.892000] r04-07 00000000003cd000 000000007f914300 >>>> 000000007f914b10 0000000000000003 >>>> [ 50.988000] r08-11 0000000000000000 000000007f918000 >>>> 0000000040bdd6b0 00000000003cd800 >>>> [ 51.084000] r12-15 0000000000000000 000000007fa90778 >>>> 00000000003cd000 000000007f918000 >>>> [ 51.180000] r16-19 0000000000001300 0000000040bdd6b8 >>>> 0000000040bdd6bc 0000000040ba2420 >>>> [ 51.276000] r20-23 0000000099116e92 0000000000000000 >>>> 00000000000002a0 00000000000002ee >>>> [ 51.372000] r24-27 0000000000000000 000000000800000e >>>> 0000000040b60750 00000000409b3ae0 >>>> [ 51.468000] r28-31 0000000000000002 000000007fa914f0 >>>> 000000007fa911e0 0000000040ba2408 >>>> [ 51.564000] sr00-03 0000000000015000 0000000000000000 >>>> 0000000000000000 0000000000015000 >>>> [ 51.660000] sr04-07 0000000000000000 0000000000000000 >>>> 0000000000000000 0000000000000000 >>>> [ 51.756000] >>>> [ 51.772000] IASQ: 0000000000000000 0000000000000000 IAOQ: >>>> 00000000003e2f24 00000000003e2f28 >>>> [ 51.872000] IIR: 03ffe01f ISR: 0000000010340000 IOR: >>>> 000000fea4691528 >>>> [ 51.956000] CPU: 0 CR30: 000000007fa90000 CR31: >>>> 00000000ffff7dff >>>> [ 52.040000] ORIG_R28: 0000000040b60718 >>>> [ 52.084000] IAOQ[0]: scsi_init_sgtable+0xfc/0x1b8 [scsi_mod] >>>> [ 52.152000] IAOQ[1]: scsi_init_sgtable+0x100/0x1b8 [scsi_mod] >>>> [ 52.224000] RP(r2): scsi_init_sgtable+0xb8/0x1b8 [scsi_mod] >>>> [ 52.292000] Backtrace: >>>> [ 52.320000] [<00000000003e304c>] scsi_init_io+0x6c/0x258 >>>> [scsi_mod] >>>> [ 52.396000] [<000000000087d078>] sd_init_command+0x70/0xec8 >>>> [sd_mod] >>>> >>>> In general I think the bug is somehow in blk-merge.c. >>>> But I'm not an expert in that code. >>> >>> The warning was added in this patch sequence: >>> https://lkml.org/lkml/2015/11/23/996 >>> >>> Possibly, but above seems to indicate that it could be driver issue >>> as well. >> >> >> I believe this bug was introduced by the following merge: >> >> commit 1081230b748de8f03f37f80c53dfa89feda9b8de >> Merge: df91039 2ca495a >> Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> >> Date: Wed Sep 2 13:10:25 2015 -0700 >> >> Merge branch 'for-4.3/core' of git://git.kernel.dk/linux-block >> >> Pull core block updates from Jens Axboe: >> "This first core part of the block IO changes contains: >> >> - Cleanup of the bio IO error signaling from Christoph. We >> used to >> rely on the uptodate bit and passing around of an error, now >> we >> store the error in the bio itself. >> >> - Improvement of the above from myself, by shrinking the bio >> size >> down again to fit in two cachelines on x86-64. >> >> - Revert of the max_hw_sectors cap removal from a revision >> again, >> from Jeff Moyer. This caused performance regressions in >> various >> tests. Reinstate the limit, bump it to a more reasonable >> size >> instead. >> >> - Make /sys/block/<dev>/queue/discard_max_bytes writeable, by >> me. >> Most devices have huge trim limits, which can cause nasty >> latencies >> when deleting files. Enable the admin to configure the size >> down. >> We will look into having a more sane default instead of >> UINT_MAX >> sectors. >> >> - Improvement of the SGP gaps logic from Keith Busch. >> >> - Enable the block core to handle arbitrarily sized bios, >> which >> enables a nice simplification of bio_add_page() (which is an >> IO hot >> path). From Kent. >> >> - Improvements to the partition io stats accounting, making it >> faster. From Ming Lei. >> >> - Also from Ming Lei, a basic fixup for overflow of the sysfs >> pending >> file in blk-mq, as well as a fix for a blk-mq timeout race >> condition. >> >> - Ming Lin has been carrying Kents above mentioned patches >> forward >> for a while, and testing them. Ming also did a few fixes >> around >> that. >> >> - Sasha Levin found and fixed a use-after-free problem >> introduced by >> the bio->bi_error changes from Christoph. >> >> - Small blk cgroup cleanup from Viresh Kumar" >> >> * 'for-4.3/core' of git://git.kernel.dk/linux-block: (26 commits) >> blk: Fix bio_io_vec index when checking bvec gaps >> block: Replace SG_GAPS with new queue limits mask >> block: bump BLK_DEF_MAX_SECTORS to 2560 >> Revert "block: remove artifical max_hw_sectors cap" >> blk-mq: fix race between timeout and freeing request >> blk-mq: fix buffer overflow when reading sysfs file of >> 'pending' >> Documentation: update notes in biovecs about arbitrarily sized >> bios >> block: remove bio_get_nr_vecs() >> fs: use helper bio_add_page() instead of open coding on >> bi_io_vec >> block: kill merge_bvec_fn() completely >> md/raid5: get rid of bio_fits_rdev() >> md/raid5: split bio for chunk_aligned_read >> block: remove split code in blkdev_issue_{discard,write_same} >> btrfs: remove bio splitting and merge_bvec_fn() calls >> bcache: remove driver private bio splitting code >> block: simplify bio_add_page() >> block: make generic_make_request handle arbitrarily sized bios >> blk-cgroup: Drop unlikely before IS_ERR(_OR_NULL) >> block: don't access bio->bi_error after bio_put() >> block: shrink struct bio down to 2 cache lines again >> ... > > If you can bisect it down to the exact commit, I might be able to work > out what's the problem. Otherwise, even in an all modular config, I > can't reproduce this on 4.5-rc4, so it may be fixed upstream (just not > backported). I tried HEAD this morning and problem is still present. The warning in blk-merge.c occurs first followed by BUG: kernel BUG at drivers/scsi/scsi_lib.c:1097! Entire console output is shown below: reboot: Restarting system Firmware Version 2.12 Duplex Console IO Dependent Code (IODC) revision 1 ------------------------------------------------------------------------------ (c) Copyright 1995-2004, Hewlett-Packard Company, All rights reserved ------------------------------------------------------------------------------ Processor Speed State CoProcessor Cache Size Number State Inst Data --------- -------- --------------------- ----------------- ------------ 0 1000 MHz Active Functional 32 MB/32 MB 1 1000 MHz Idle Functional 32 MB/32 MB 2 1000 MHz Idle Functional 32 MB/32 MB 3 1000 MHz Idle Functional 32 MB/32 MB Central Bus Speed (in MHz) : 200 Available Memory : 12582912 KB Good Memory Required : Not initialized. Defaults to 32 MB. Primary boot path: scsiA.0 0/2/1/0.0 Alternate boot path: lan.0.0.0.0 0/3/3/0 Console path: serial_A.643 17.643 Keyboard path: usb0 0/3/1/0.0 Keyboard path ignored for serial consoles. ---- Main Menu --------------------------------------------------------------- Command Description ------- ----------- BOot [PRI|ALT|<path>] Boot from specified path PAth [PRI|ALT|CON|KEY [<path>]] Display or change a path SEArch [DIsplay|[[IPL] [<path>]]] Search for boot devices COnfiguration menu Displays or sets boot values INformation menu Displays hardware information SERvice menu Displays service commands DIsplay Redisplay the current menu HElp [<menu>|<command>] Display help for menu or command RESET Restart the system ---- Main Menu: Enter command or menu > bo Interact with IPL (Y, N, or Cancel)?> n Booting... Boot IO Dependent Code (IODC) revision 2 HARD Booted. palo ipl 1.92 root@c3000 Wed Oct 9 21:48:57 CEST 2013 Partition Start(MB) End(MB) Id Type 1 1 62 f0 Palo 2 63 305 83 ext2 3 306 2259 82 swap 4 2260 70007 83 ext2 PALO(F0) partition contains: 0/vmlinux64 3063747(8270074) bytes @ 0x48000 Command line for kernel: 'root=/dev/sda4 console=ttyS0 HOME=/ rootfstype=ext3 c' Selected kernel: /vmlinuz from partition 2 Selected ramdisk: /initrd.img from partition 2 uncompressing Linux kernel.....................................................2 . ELF64 executable Entry 00100000 first 00100000 n 2 Segment 0 load 00100000 size 215488 mediaptr 0x1000 Segment 1 load 00135000 size 7706288 mediaptr 0x36000 Loading ramdisk 10819353 bytes @ 3e19d000... Branching to kernel entry point 0x00100000. If this is the last message you see, you may need to switch your console. This is a common symptom -- search the FAQ and mailing list at parisc-linux.org Linux version 4.5.0-rc5 (dave@atlas) (gcc version 4.9.3 (GCC) ) #1 SMP Sun Feb 6 unwind_init: start = 0x407398b0, end = 0x40776820, entries = 15607 FP[0] enabled: Rev 1 Model 20 The 64-bit Kernel has started... Kernel default page size is 4 KB. Huge pages disabled. bootconsole [ttyB0] enabled Initialized PDC Console for debugging. Determining PDC firmware type: 64 bit PAT. model 000088b0 00000491 00000000 00000002 56bb5389fb0d1ec0 100000f0 00000008 002 vers 00000302 CPUID vers 20 rev 5 (0x00000285) capabilities 0x35 model 9000/785/C8000 parisc_cache_init: Only equivalent aliasing supported! Memory Ranges: 0) Start 0x0000000000000000 End 0x000000003fffffff Size 1024 MB 1) Start 0x0000000100000000 End 0x00000002ffdfffff Size 8190 MB 2) Start 0x0000004040000000 End 0x00000040ffffffff Size 3072 MB Total Memory: 12286 MB initrd: 7e19d000-7ebee719 initrd: reserving 3e19d000-3ebee719 (mem_max 2ffe00000) PERCPU: Embedded 17 pages/cpu @0000000042e11000 s29936 r8192 d31504 u69632 SMP: bootstrap CPU ID is 0 Built 3 zonelists in Zone order, mobility grouping on. Total pages: 3102215 Kernel command line: root=/dev/sda4 console=ttyS0 HOME=/ rootfstype=ext3 clocksz log_buf_len individual max cpu contribution: 4096 bytes log_buf_len total cpu_extra contributions: 126976 bytes log_buf_len min size: 131072 bytes log_buf_len: 262144 bytes early log buf free: 127768(97%) PID hash table entries: 4096 (order: 3, 32768 bytes) Dentry cache hash table entries: 2097152 (order: 12, 16777216 bytes) Inode-cache hash table entries: 1048576 (order: 11, 8388608 bytes) Sorting __ex_table... Memory: 12338568K/12580864K available (4668K kernel code, 1515K rwdata, 842K ro) virtual kernel memory layout: vmalloc : 0x0000000000008000 - 0x000000003f000000 (1007 MB) memory : 0x0000000040000000 - 0x0000004140000000 (266240 MB) .init : 0x0000000040100000 - 0x0000000040145000 ( 276 kB) .data : 0x00000000405d4000 - 0x0000000040821530 (2357 kB) .text : 0x0000000040145000 - 0x00000000405d4000 (4668 kB) Hierarchical RCU implementation. Build-time adjustment of leaf fanout to 64. NR_IRQS:128 clocksource: cr16: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idles Console: colour dummy device 160x64 ------------------------ | Locking API testsuite: ---------------------------------------------------------------------------- | spin |wlock |rlock |mutex | wsem | rsem | -------------------------------------------------------------------------- A-A deadlock:failed|failed| ok |failed|failed|failed| A-B-B-A deadlock:failed|failed| ok |failed|failed|failed| A-B-B-C-C-A deadlock:failed|failed| ok |failed|failed|failed| A-B-C-A-B-C deadlock:failed|failed| ok |failed|failed|failed| A-B-B-C-C-D-D-A deadlock:failed|failed| ok |failed|failed|failed| A-B-C-D-B-D-D-A deadlock:failed|failed| ok |failed|failed|failed| A-B-C-D-B-C-D-A deadlock:failed|failed| ok |failed|failed|failed| double unlock:failed|failed|failed| ok |failed|failed| initialize held:failed|failed|failed|failed|failed|failed| bad unlock order: ok | ok | ok | ok | ok | ok | -------------------------------------------------------------------------- recursive read-lock: | ok | |failed| recursive read-lock #2: | ok | |failed| mixed read-write-lock: |failed| |failed| mixed write-read-lock: |failed| |failed| -------------------------------------------------------------------------- hard-irqs-on + irq-safe-A/12:failed|failed| ok | soft-irqs-on + irq-safe-A/12:failed|failed| ok | hard-irqs-on + irq-safe-A/21:failed|failed| ok | soft-irqs-on + irq-safe-A/21:failed|failed| ok | sirq-safe-A => hirqs-on/12:failed|failed| ok | sirq-safe-A => hirqs-on/21:failed|failed| ok | hard-safe-A + irqs-on/12:failed|failed| ok | soft-safe-A + irqs-on/12:failed|failed| ok | hard-safe-A + irqs-on/21:failed|failed| ok | soft-safe-A + irqs-on/21:failed|failed| ok | hard-safe-A + unsafe-B #1/123:failed|failed| ok | soft-safe-A + unsafe-B #1/123:failed|failed| ok | hard-safe-A + unsafe-B #1/132:failed|failed| ok | soft-safe-A + unsafe-B #1/132:failed|failed| ok | hard-safe-A + unsafe-B #1/213:failed|failed| ok | soft-safe-A + unsafe-B #1/213:failed|failed| ok | hard-safe-A + unsafe-B #1/231:failed|failed| ok | soft-safe-A + unsafe-B #1/231:failed|failed| ok | hard-safe-A + unsafe-B #1/312:failed|failed| ok | soft-safe-A + unsafe-B #1/312:failed|failed| ok | hard-safe-A + unsafe-B #1/321:failed|failed| ok | soft-safe-A + unsafe-B #1/321:failed|failed| ok | hard-safe-A + unsafe-B #2/123:failed|failed| ok | soft-safe-A + unsafe-B #2/123:failed|failed| ok | hard-safe-A + unsafe-B #2/132:failed|failed| ok | soft-safe-A + unsafe-B #2/132:failed|failed| ok | hard-safe-A + unsafe-B #2/213:failed|failed| ok | soft-safe-A + unsafe-B #2/213:failed|failed| ok | hard-safe-A + unsafe-B #2/231:failed|failed| ok | soft-safe-A + unsafe-B #2/231:failed|failed| ok | hard-safe-A + unsafe-B #2/312:failed|failed| ok | soft-safe-A + unsafe-B #2/312:failed|failed| ok | hard-safe-A + unsafe-B #2/321:failed|failed| ok | soft-safe-A + unsafe-B #2/321:failed|failed| ok | hard-irq lock-inversion/123:failed|failed| ok | soft-irq lock-inversion/123:failed|failed| ok | hard-irq lock-inversion/132:failed|failed| ok | soft-irq lock-inversion/132:failed|failed| ok | hard-irq lock-inversion/213:failed|failed| ok | soft-irq lock-inversion/213:failed|failed| ok | hard-irq lock-inversion/231:failed|failed| ok | soft-irq lock-inversion/231:failed|failed| ok | hard-irq lock-inversion/312:failed|failed| ok | soft-irq lock-inversion/312:failed|failed| ok | hard-irq lock-inversion/321:failed|failed| ok | soft-irq lock-inversion/321:failed|failed| ok | hard-irq read-recursion/123: ok | soft-irq read-recursion/123: ok | hard-irq read-recursion/132: ok | soft-irq read-recursion/132: ok | hard-irq read-recursion/213: ok | soft-irq read-recursion/213: ok | hard-irq read-recursion/231: ok | soft-irq read-recursion/231: ok | hard-irq read-recursion/312: ok | soft-irq read-recursion/312: ok | hard-irq read-recursion/321: ok | soft-irq read-recursion/321: ok | -------------------------------------------------------------------------- | Wound/wait tests | --------------------- ww api failures: ok | ok | ok | ww contexts mixing:failed| ok | finishing ww context: ok | ok | ok | ok | locking mismatches: ok | ok | ok | EDEADLK handling: ok | ok | ok | ok | ok | ok | o| spinlock nest unlocked:failed| ----------------------------------------------------- |block | try |context| ----------------------------------------------------- context:failed| ok | ok | try:failed| ok |failed| block:failed| ok |failed| spinlock:failed| ok |failed| -------------------------------------------------------- 153 out of 253 testcases failed, as expected. | ---------------------------------------------------- Calibrating delay loop... 1993.93 BogoMIPS (lpj=9969664) pid_max: default: 32768 minimum: 301 Mount-cache hash table entries: 32768 (order: 6, 262144 bytes) Mountpoint-cache hash table entries: 32768 (order: 6, 262144 bytes) Brought up 1 CPUs devtmpfs: initialized clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 191s atomic64_test: passed NET: Registered protocol family 16 Searching for devices... Found devices: 1. Crestone Peak Fast? at 0xfffffffffe780000 [128] { 0, 0x0, 0x88b, 0x00004 } 2. Crestone Peak Fast? at 0xfffffffffe781000 [129] { 0, 0x0, 0x88b, 0x00004 } 3. Crestone Peak Fast? at 0xfffffffffe798000 [152] { 0, 0x0, 0x88b, 0x00004 } 4. Crestone Peak Fast? at 0xfffffffffe799000 [153] { 0, 0x0, 0x88b, 0x00004 } 5. Memory at 0xfffffffffed08000 [8] { 1, 0x0, 0x0b6, 0x00009 } 6. Pluto BC McKinley Port at 0xfffffffffed00000 [0] { 12, 0x0, 0x880, 0x0000c } 7. Mercury PCI Bridge at 0xfffffffffed20000 [0/0] { 13, 0x0, 0x783, 0x0000a } 8. Mercury PCI Bridge at 0xfffffffffed24000 [0/2] { 13, 0x0, 0x783, 0x0000a } 9. Mercury PCI Bridge at 0xfffffffffed26000 [0/3] { 13, 0x0, 0x783, 0x0000a } 10. Quicksilver AGP Bridge at 0xfffffffffed28000 [0/4] { 13, 0x0, 0x784, 0x0000} 11. BMC IPMI Mgmt Ctlr at 0xfffffff0f05b0000 [16] { 15, 0x0, 0x004, 0x000c0 } 12. Crestone Peak Fast? Core RS-232 at 0xfffffff0f05e0000 [17] { 10, 0x0, 0x077} 13. Crestone Peak Fast? Core RS-232 at 0xfffffff0f05e2000 [18] { 10, 0x0, 0x077} Enabling PDC_PAT chassis codes support v0.05 Releasing cpu 1 now, hpa=fffffffffe781000 FP[1] enabled: Rev 1 Model 20 Releasing cpu 2 now, hpa=fffffffffe798000 FP[2] enabled: Rev 1 Model 20 Releasing cpu 3 now, hpa=fffffffffe799000 FP[3] enabled: Rev 1 Model 20 CPU(s): 4 out of 4 PA8800 (Mako) at 1000.000000 MHz online Setting cache flush threshold to 32768 kB Setting TLB flush threshold to 1236 kB SBA found Pluto 2.3 at 0xfffffffffed00000 Mercury version TR3.2 (0x32) found at 0xfffffffffed20000 LBA: lmmio_space [0xffffffff80000000-0xffffffff9fffffff] - new LBA 0:0: PCI host bridge to bus 0000:00 pci_bus 0000:00: root bus resource [io 0x0000-0xffff] pci_bus 0000:00: root bus resource [mem 0xffffffff80000000-0xffffffff9fffffff] ) pci_bus 0000:00: root bus resource [bus 00-07] Mercury version TR3.2 (0x32) found at 0xfffffffffed24000 LBA 0:2: PCI host bridge to bus 0000:40 pci_bus 0000:40: root bus resource [io 0x10000-0x1ffff] (bus address [0x0000-0) pci_bus 0000:40: root bus resource [mem 0xffffffffa0000000-0xffffffffafffffff] ) pci_bus 0000:40: root bus resource [bus 40-47] Mercury version TR3.2 (0x32) found at 0xfffffffffed26000 LBA 0:3: PCI host bridge to bus 0000:60 pci_bus 0000:60: root bus resource [io 0x20000-0x2ffff] (bus address [0x0000-0) pci_bus 0000:60: root bus resource [mem 0xffffffffb0000000-0xffffffffbfffffff] ) pci_bus 0000:60: root bus resource [bus 60-67] Quicksilver version TR1.0 (0x10) found at 0xfffffffffed28000 LBA: lmmio_space [0xffffffffc0000000-0xffffffffdfffffff] - new LBA 0:4: PCI host bridge to bus 0000:80 pci_bus 0000:80: root bus resource [io 0x30000-0x3ffff] (bus address [0x0000-0) pci_bus 0000:80: root bus resource [mem 0xffffffffc0000000-0xffffffffdfffffff] ) pci_bus 0000:80: root bus resource [bus 80-87] powersw: Soft power switch at 0xfffffff0f042e278 enabled. vgaarb: setting as boot device: PCI:0000:80:00.0 vgaarb: device added: PCI:0000:80:00.0,decodes=io+mem,owns=io+mem,locks=none vgaarb: loaded vgaarb: bridge control possible 0000:80:00.0 NET: Registered protocol family 2 TCP established hash table entries: 131072 (order: 8, 1048576 bytes) TCP bind hash table entries: 65536 (order: 8, 1048576 bytes) TCP: Hash tables configured (established 131072 bind 65536) UDP hash table entries: 8192 (order: 6, 262144 bytes) UDP-Lite hash table entries: 8192 (order: 6, 262144 bytes) NET: Registered protocol family 1 RPC: Registered named UNIX socket transport module. RPC: Registered udp transport module. RPC: Registered tcp transport module. RPC: Registered tcp NFSv4.1 backchannel transport module. Trying to unpack rootfs image as initramfs... Freeing initrd memory: 10564K (000000007e19d000 - 000000007ebee000) Performance monitoring counters enabled for Crestone Peak Fast? futex hash table entries: 8192 (order: 6, 262144 bytes) Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253) io scheduler noop registered io scheduler deadline registered io scheduler cfq registered (default) Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled console [ttyS0] disabled 17: ttyS0 at MMIO 0xfffffff0f05e0800 (irq = 76, base_baud = 115200) is a 16550A console [ttyS0] enabled console [ttyS0] enabled bootconsole [ttyB0] disabled bootconsole [ttyB0] disabled 18: ttyS1 at MMIO 0xfffffff0f05e2800 (irq = 77, base_baud = 115200) is a 16550A Linux agpgart interface v0.103 brd: module loaded HP SDC: No SDC found. HP SDC MLC: Registering the System Domain Controller's HIL MLC. HP SDC MLC: Request for raw HIL ISR hook denied mousedev: PS/2 mouse device common for all mice rtc-generic rtc-generic: rtc core: registered rtc-generic as rtc0 hidraw: raw HID events driver (C) Jiri Kosina rtc-generic rtc-generic: setting system clock to 2016-02-21 14:32:46 UTC (14560) Freeing unused kernel memory: 276K (0000000040100000 - 0000000040145000) Loading, please wait... starting versionrandom: systemd-udevd urandom read with 59 bits of entropy avaie 228 Fusion MPT base driver 3.04.20 Copyright (c) 1999-2008 LSI Corporation SCSI subsystem initialized usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub Uniform Multi-Platform E-IDE driver e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI e1000: Copyright (c) 1999-2006 Intel Corporation. usbcore: registered new device driver usb ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver sata_sil24 0000:00:01.0: Applying completion IRQ loss on PCI-X errata fix ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver ehci-pci: EHCI PCI platform driver Fusion MPT SPI Host driver 3.04.20 mptbase: ioc0: Initiating bringup scsi host0: sata_sil24 scsi host1: sata_sil24 scsi host2: sata_sil24 scsi host3: sata_sil24 e1000 0000:60:03.0 eth0: (PCI:33MHz:32-bit) 00:11:0a:31:8a:77 e1000 0000:60:03.0 eth0: Intel(R) PRO/1000 Network Connection siimage 0000:60:02.0: IDE controller (0x1095:0x0680 rev 0x02) siimage 0000:60:02.0: BASE CLOCK == 133 siimage 0000:60:02.0: 100% native mode on irq 72 ide0: MMIO-DMA ide1: MMIO-DMA ata1: SATA max UDMA/100 host m128@0xffffffff80088000 port 0xffffffff80080000 ir6 ata2: SATA max UDMA/100 host m128@0xffffffff80088000 port 0xffffffff80082000 ir6 ata3: SATA max UDMA/100 host m128@0xffffffff80088000 port 0xffffffff80084000 ir6 ata4: SATA max UDMA/100 host m128@0xffffffff80088000 port 0xffffffff80086000 ir6 hdc: HL-DT-STDVD+-RW GSA-H21L, ATAPI CD/DVD-ROM drive ioc0: LSI53C1030 B2: Capabilities={Initiator,Target} hdc: UDMA/44 mode selected ide0 at 0x107c4080-0x107c4087,0x107c408a on irq 72 ide1 at 0x107c40c0-0x107c40c7,0x107c40ca on irq 72 ehci-pci 0000:60:01.2: EHCI Host Controller ehci-pci 0000:60:01.2: new USB bus registered, assigned bus number 1 ehci-pci 0000:60:01.2: irq 71, io mem 0xffffffffb00a1000 ehci-pci 0000:60:01.2: USB 2.0 started, EHCI 0.95 usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 usb usb1: Product: EHCI Host Controller usb usb1: Manufacturer: Linux 4.5.0-rc5 ehci_hcd usb usb1: SerialNumber: 0000:60:01.2 hub 1-0:1.0: USB hub found hub 1-0:1.0: 5 ports detected ohci-pci: OHCI PCI platform driver ohci-pci 0000:60:01.0: OHCI PCI host controller ohci-pci 0000:60:01.0: new USB bus registered, assigned bus number 2 ohci-pci 0000:60:01.0: irq 69, io mem 0xffffffffb00a3000 ata1: SATA link down (SStatus 0 SControl 0) scsi host4: ioc0: LSI53C1030 B2, FwRev=01032341h, Ports=1, MaxQ=255, IRQ=67 usb usb2: New USB device found, idVendor=1d6b, idProduct=0001 usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 usb usb2: Product: OHCI PCI host controller usb usb2: Manufacturer: Linux 4.5.0-rc5 ohci_hcd usb usb2: SerialNumber: 0000:60:01.0 hub 2-0:1.0: USB hub found hub 2-0:1.0: 3 ports detected ohci-pci 0000:60:01.1: OHCI PCI host controller ohci-pci 0000:60:01.1: new USB bus registered, assigned bus number 3 ohci-pci 0000:60:01.1: irq 70, io mem 0xffffffffb00a2000 scsi 4:0:0:0: Direct-Access HP 73.4G ST373207LW HPC1 PQ: 0 ANSI: 3 scsi target4:0:0: Beginning Domain Validation scsi target4:0:0: Ending Domain Validation scsi target4:0:0: FAST-160 WIDE SCSI 320.0 MB/s DT IU QAS RTI WRFLOW PCOMP (6.2) usb usb3: New USB device found, idVendor=1d6b, idProduct=0001 usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1 usb usb3: Product: OHCI PCI host controller usb usb3: Manufacturer: Linux 4.5.0-rc5 ohci_hcd usb usb3: SerialNumber: 0000:60:01.1 hub 3-0:1.0: USB hub found ata2: SATA link down (SStatus 0 SControl 0) hub 3-0:1.0: 2 ports detected scsi 4:0:2:0: Direct-Access HP 73.4G ST373207LW HPC1 PQ: 0 ANSI: 3 scsi target4:0:2: Beginning Domain Validation scsi target4:0:2: Ending Domain Validation scsi target4:0:2: FAST-160 WIDE SCSI 320.0 MB/s DT IU QAS RTI WRFLOW PCOMP (6.2) random: nonblocking pool is initialized ata3: SATA link down (SStatus 0 SControl 0) mptbase: ioc1: Initiating bringup ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 0) ata4.00: ATA-9: ST3000DM001-1ER166, CC25, max UDMA/133 ata4.00: 5860533168 sectors, multi 0: LBA48 NCQ (depth 31/32) ata4.00: configured for UDMA/100 scsi 3:0:0:0: Direct-Access ATA ST3000DM001-1ER1 CC25 PQ: 0 ANSI: 5 sd 3:0:0:0: [sdc] 5860533168 512-byte logical blocks: (3.00 TB/2.73 TiB) sd 3:0:0:0: [sdc] 4096-byte physical blocks sd 3:0:0:0: [sdc] Write Protect is off sd 3:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPA sdc: sdc1 sd 3:0:0:0: [sdc] Attached SCSI disk ioc1: LSI53C1030 B2: Capabilities={Initiator,Target} sd 4:0:0:0: [sda] 143374738 512-byte logical blocks: (73.4 GB/68.4 GiB) sd 4:0:2:0: [sdb] 143374738 512-byte logical blocks: (73.4 GB/68.4 GiB) sd 4:0:0:0: [sda] Write Protect is off sd 4:0:0:0: [sda] Write cache: enabled, read cache: enabled, supports DPO and FA scsi host5: ioc1: LSI53C1030 B2, FwRev=01032341h, Ports=1, MaxQ=255, IRQ=68 sd 4:0:2:0: [sdb] Write Protect is off sda: sda1 sda2 sda3 sda4 sd 4:0:0:0: [sda] Attached SCSI disk sd 4:0:2:0: [sdb] Write cache: enabled, read cache: enabled, supports DPO and FA sd 4:0:2:0: [sdb] Attached SCSI disk ------------[ cut here ]------------ WARNING: at block/blk-merge.c:466 Modules linked in: sd_mod ohci_pci pata_sil680 mptspi ehci_pci ohci_hcd scsi_trd CPU: 2 PID: 927 Comm: systemd-udevd Not tainted 4.5.0-rc5 #1 task: 000000007f622b18 ti: 000000007e550000 task.ti: 000000007e550000 YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI PSW: 00001000000001001111111100001110 Not tainted r00-03 000000ff0804ff0e 000000007e551220 0000000000001000 000000007e551220 r04-07 000000004070f340 0000000000000000 00000000000001e0 0000000000000000 r08-11 0000000000000000 0000000000000001 000000007e231918 0000000000000000 r12-15 0000000000001000 0000000000000008 000000000000001e 0000000042da3cc8 r16-19 000000007e231918 000000007e2459b8 000000007f01e800 0000000000000000 r20-23 0000000000000000 000000007feb4400 0000000000002000 000000004078c690 r24-27 0002ea873ff455e3 cffd1578c0000000 000000007e231918 000000004070f340 r28-31 0000000000000001 000000007e551320 000000007e551350 0000000000000007 sr00-03 0000000000013000 0000000000000000 0000000000013000 0000000000013000 sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000 IASQ: 0000000000000000 0000000000000000 IAOQ: 0000000040372d70 0000000040372d74 IIR: 03ffe01f ISR: 0000000010340000 IOR: 000000f88c631918 CPU: 2 CR30: 000000007e550000 CR31: ffffffffffffffff ORIG_R28: 0000000000000000 IAOQ[0]: blk_rq_map_sg+0x5d8/0x610 IAOQ[1]: blk_rq_map_sg+0x5dc/0x610 RP(r2): 0x1000 Backtrace: [<0000000010217708>] scsi_init_sgtable+0x70/0x168 [scsi_mod] [<000000001021786c>] scsi_init_io+0x6c/0x250 [scsi_mod] [<00000000107f16e0>] sd_setup_read_write_cmnd+0x58/0x948 [sd_mod] [<00000000107f2014>] sd_init_command+0x44/0x130 [sd_mod] [<0000000010217b54>] scsi_setup_cmnd+0x104/0x1c0 [scsi_mod] [<0000000010217ea0>] scsi_prep_fn+0x100/0x340 [scsi_mod] [<000000004036bc14>] blk_peek_request+0x1bc/0x2a8 [<0000000010219aac>] scsi_request_fn+0xf4/0xab0 [scsi_mod] [<0000000040366fb4>] __blk_run_queue+0x4c/0x70 [<00000000403919e0>] cfq_insert_request+0x2e0/0x588 [<0000000040366170>] __elv_add_request+0x190/0x2d8 ---[ end trace c4c138874107ee9a ]--- ------------[ cut here ]------------ kernel BUG at drivers/scsi/scsi_lib.c:1097! CPU: 2 PID: 927 Comm: systemd-udevd Tainted: G W 4.5.0-rc5 #1 task: 000000007f622b18 ti: 000000007e550000 task.ti: 000000007e550000 YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI PSW: 00001000000001001111111100001110 Tainted: G W r00-03 000000ff0804ff0e 000000007e551220 0000000010217708 000000007e551180 r04-07 0000000010201000 000000007e2459b8 000000007e0d04c0 0000000000000000 r08-11 000000007e2459b8 000000007fe8e800 0000000040821520 0000000000000110 r12-15 0000000000000000 000000007e550798 0000000010201000 0000000040738340 r16-19 000000004082152c 000000007fe8e800 000000007e71d800 0000000000000000 r20-23 0000000000000000 000000007feb4400 0000000000002000 000000004078c690 r24-27 0002ea873ff455e3 cffd1578c0000000 000000007e231918 000000004070f340 r28-31 0000000000000008 000000007e551320 000000007e551220 0000000000000007 sr00-03 0000000000013000 0000000000000000 0000000000013000 0000000000013000 sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000 IASQ: 0000000000000000 0000000000000000 IAOQ: 000000001021774c 0000000010217750 IIR: 03ffe01f ISR: 0000000000000000 IOR: 0000000000000000 CPU: 2 CR30: 000000007e550000 CR31: ffffffffffffffff ORIG_R28: 0000000000000000 IAOQ[0]: scsi_init_sgtable+0xb4/0x168 [scsi_mod] IAOQ[1]: scsi_init_sgtable+0xb8/0x168 [scsi_mod] RP(r2): scsi_init_sgtable+0x70/0x168 [scsi_mod] Backtrace: [<000000001021786c>] scsi_init_io+0x6c/0x250 [scsi_mod] [<00000000107f16e0>] sd_setup_read_write_cmnd+0x58/0x948 [sd_mod] [<00000000107f2014>] sd_init_command+0x44/0x130 [sd_mod] [<0000000010217b54>] scsi_setup_cmnd+0x104/0x1c0 [scsi_mod] [<0000000010217ea0>] scsi_prep_fn+0x100/0x340 [scsi_mod] [<000000004036bc14>] blk_peek_request+0x1bc/0x2a8 [<0000000010219aac>] scsi_request_fn+0xf4/0xab0 [scsi_mod] [<0000000040366fb4>] __blk_run_queue+0x4c/0x70 [<00000000403919e0>] cfq_insert_request+0x2e0/0x588 [<0000000040366170>] __elv_add_request+0x190/0x2d8 CPU: 2 PID: 927 Comm: systemd-udevd Tainted: G W 4.5.0-rc5 #1 Backtrace: [<000000004015c0a8>] show_stack+0x20/0x38 [<0000000040397458>] dump_stack+0xa8/0x120 [<000000004015c27c>] die_if_kernel+0x19c/0x2e0 [<000000004015d158>] handle_interruption+0x9a8/0x9d0 ---[ end trace c4c138874107ee9b ]--- NMI watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [systemd-udevd:927] Modules linked in: sd_mod ohci_pci pata_sil680 mptspi ehci_pci ohci_hcd scsi_trd CPU: 3 PID: 927 Comm: systemd-udevd Tainted: G D W 4.5.0-rc5 #1 task: 000000007f622b18 ti: 000000007e550000 task.ti: 000000007e550000 YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI PSW: 00001000000001101111111100001111 Tainted: G D W r00-03 000000ff0806ff0f 000000007e551d10 0000000040202348 000000007e551c40 r04-07 000000004070f340 000000007e551ce0 000000004079c560 000000004079c4a0 r08-11 0000000042e4b360 0000000042e4b368 0000000000000001 00000000406e8360 r12-15 0000000000000000 000000007e551ce0 0000000010201000 0000000040738340 r16-19 000000007e551220 000000007fe8e800 000000007e71d800 0000000042e421d0 r20-23 0000000000000001 0000000042e4b368 000000000800000f 0000000000000000 r24-27 0000000000000000 0000000000000020 0000000042e4b368 000000004070f340 r28-31 0000000000000002 000000007e551d60 000000007e551d10 0000000000000003 sr00-03 000000000001b800 0000000000000000 0000000000000000 000000000001b800 sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000 IASQ: 0000000000000000 0000000000000000 IAOQ: 0000000040202370 0000000040202374 IIR: 4a7f0030 ISR: 0000000000000000 IOR: 0000000002000200 CPU: 3 CR30: 000000007e550000 CR31: fffffffffffeffff ORIG_R28: 0000000000000000 IAOQ[0]: smp_call_function_many+0x338/0x3b0 IAOQ[1]: smp_call_function_many+0x33c/0x3b0 RP(r2): smp_call_function_many+0x310/0x3b0 Backtrace: [<00000000402024a0>] on_each_cpu+0x58/0xa0 [<0000000040159998>] flush_tlb_all+0x108/0x1e8 [<0000000040249600>] tlb_flush_mmu_tlbonly+0x48/0xa8 [<000000004024a480>] tlb_finish_mmu+0x30/0x98 [<00000000402551dc>] exit_mmap+0x134/0x1b8 [<00000000401811d8>] mmput+0xc0/0x1a8 [<0000000040186438>] do_exit+0x320/0xcb8 [<000000004015c2d8>] die_if_kernel+0x1f8/0x2e0 [<000000004015d158>] handle_interruption+0x9a8/0x9d0 timer_interrupt(CPU 3): delayed! cycles 8291193C rem 903CC4 next/now 259158BA28 NMI watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [systemd-udevd:927] Modules linked in: sd_mod ohci_pci pata_sil680 mptspi ehci_pci ohci_hcd scsi_trd CPU: 3 PID: 927 Comm: systemd-udevd Tainted: G D W L 4.5.0-rc5 #1 task: 000000007f622b18 ti: 000000007e550000 task.ti: 000000007e550000 YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI PSW: 00001000000001101111111100001111 Tainted: G D W L r00-03 000000ff0806ff0f 000000007e551d10 0000000040202348 000000007e551c40 r04-07 000000004070f340 000000007e551ce0 000000004079c560 000000004079c4a0 r08-11 0000000042e4b360 0000000042e4b368 0000000000000001 00000000406e8360 r12-15 0000000000000000 000000007e551ce0 0000000010201000 0000000040738340 r16-19 000000007e551220 000000007fe8e800 000000007e71d800 0000000042e421d0 r20-23 0000000000000001 0000000042e4b368 000000000800000f 0000000000000000 r24-27 0000000000000000 0000000000000020 0000000042e4b368 000000004070f340 r28-31 0000000000000002 000000007e551d60 000000007e551d10 0000000000000003 sr00-03 000000000001b800 0000000000000000 0000000000000000 000000000001b800 sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000 IASQ: 0000000000000000 0000000000000000 IAOQ: 0000000040202370 0000000040202374 IIR: 4a7f0030 ISR: 0000000000000000 IOR: 0000000002000200 CPU: 3 CR30: 000000007e550000 CR31: fffffffffffeffff ORIG_R28: 0000000000000000 IAOQ[0]: smp_call_function_many+0x338/0x3b0 IAOQ[1]: smp_call_function_many+0x33c/0x3b0 RP(r2): smp_call_function_many+0x310/0x3b0 Backtrace: [<00000000402024a0>] on_each_cpu+0x58/0xa0 [<0000000040159998>] flush_tlb_all+0x108/0x1e8 [<0000000040249600>] tlb_flush_mmu_tlbonly+0x48/0xa8 [<000000004024a480>] tlb_finish_mmu+0x30/0x98 [<00000000402551dc>] exit_mmap+0x134/0x1b8 [<00000000401811d8>] mmput+0xc0/0x1a8 [<0000000040186438>] do_exit+0x320/0xcb8 [<000000004015c2d8>] die_if_kernel+0x1f8/0x2e0 [<000000004015d158>] handle_interruption+0x9a8/0x9d0 timer_interrupt(CPU 3): delayed! cycles 82907C30 rem 90D9D0 next/now 2C1646D22C INFO: rcu_sched self-detected stall on CPUINFO: rcu_sched detected stalls on CP: 2-...: (1 GPs behind) idle=c8f/140000000000000/0 softirq=1886/1886 fqs= 3-...: (5545 ticks this GP) idle=a85/140000000000001/0 softirq=1132/113 (detected by 1, t=6002 jiffies, g=39, c=38, q=66) Task dump for CPU 2: kworker/2:1H R running task 0 998 2 0x00000004 Workqueue: kblockd cfq_kick_queue Backtrace: [<0000000040152044>] __schedule+0x264/0x5b8 [<00000000401523e4>] schedule+0x4c/0xc8 [<00000000401a12b8>] worker_thread+0x338/0x688 [<00000000401a976c>] kthread+0x144/0x178 [<0000000040148020>] end_fault_vector+0x20/0x28 [<0000000010726808>] ohci_hub_control+0x0/0x650 [ohci_hcd] [<000000001072b0a0>] ohci_dump+0x0/0xf0 [ohci_hcd] Task dump for CPU 3: systemd-udevd R running task 0 927 921 0x00000014 Backtrace: [<00000000402024a0>] on_each_cpu+0x58/0xa0 [<0000000040159998>] flush_tlb_all+0x108/0x1e8 [<0000000040249600>] tlb_flush_mmu_tlbonly+0x48/0xa8 [<000000004024a480>] tlb_finish_mmu+0x30/0x98 [<00000000402551dc>] exit_mmap+0x134/0x1b8 [<00000000401811d8>] mmput+0xc0/0x1a8 [<0000000040186438>] do_exit+0x320/0xcb8 [<000000004015c2d8>] die_if_kernel+0x1f8/0x2e0 [<000000004015d158>] handle_interruption+0x9a8/0x9d0 3-...: (5545 ticks this GP) idle=a85/140000000000001/0 softirq=1132/113 (t=6147 jiffies g=39 c=38 q=67) Task dump for CPU 2: kworker/2:1H R running task 0 998 2 0x00000004 Workqueue: kblockd cfq_kick_queue Backtrace: [<0000000040152044>] __schedule+0x264/0x5b8 [<00000000401523e4>] schedule+0x4c/0xc8 [<00000000401a12b8>] worker_thread+0x338/0x688 [<00000000401a976c>] kthread+0x144/0x178 [<0000000040148020>] end_fault_vector+0x20/0x28 Task dump for CPU 3: systemd-udevd R running task 0 927 921 0x00000014 Backtrace: [<000000004015c0a8>] show_stack+0x20/0x38 [<00000000401b7e9c>] sched_show_task+0x134/0x1d0 [<00000000401ba93c>] dump_cpu_task+0x64/0x80 [<00000000401e5dec>] rcu_dump_cpu_stacks+0xf4/0x180 [<00000000401eaeac>] rcu_check_callbacks+0x5ac/0x9b8 [<00000000401edacc>] update_process_times+0x74/0xd8 [<000000004015d3c0>] timer_interrupt+0x1b0/0x210 [<00000000401dad4c>] handle_irq_event_percpu+0xb4/0x250 [<00000000401e06b4>] handle_percpu_irq+0xac/0xe8 [<00000000401d9fc4>] generic_handle_irq+0x4c/0x68 [<000000004014a2cc>] call_on_stack+0x18/0x24 timer_interrupt(CPU 3): delayed! cycles 998573C3 rem 42393D next/now 2EDA613C2F NMI watchdog: BUG: soft lockup - CPU#3 stuck for 24s! [systemd-udevd:927] Modules linked in: sd_mod ohci_pci pata_sil680 mptspi ehci_pci ohci_hcd scsi_trd CPU: 3 PID: 927 Comm: systemd-udevd Tainted: G D W L 4.5.0-rc5 #1 task: 000000007f622b18 ti: 000000007e550000 task.ti: 000000007e550000 YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI PSW: 00001000000001101111111100001111 Tainted: G D W L r00-03 000000ff0806ff0f 000000007e551d10 0000000040202348 000000007e551c40 r04-07 000000004070f340 000000007e551ce0 000000004079c560 000000004079c4a0 r08-11 0000000042e4b360 0000000042e4b368 0000000000000001 00000000406e8360 r12-15 0000000000000000 000000007e551ce0 0000000010201000 0000000040738340 r16-19 000000007e551220 000000007fe8e800 000000007e71d800 0000000042e421d0 r20-23 0000000000000001 0000000042e4b368 000000000800000f 0000000000000000 r24-27 0000000000000000 0000000000000020 0000000042e4b368 000000004070f340 r28-31 0000000000000002 000000007e551d60 000000007e551d10 0000000000000003 sr00-03 000000000001b800 0000000000000000 0000000000000000 000000000001b800 sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000 IASQ: 0000000000000000 0000000000000000 IAOQ: 0000000040202370 0000000040202374 IIR: 4a7f0030 ISR: 0000000000000000 IOR: 0000000002000200 CPU: 3 CR30: 000000007e550000 CR31: fffffffffffeffff ORIG_R28: 0000000000000000 IAOQ[0]: smp_call_function_many+0x338/0x3b0 IAOQ[1]: smp_call_function_many+0x33c/0x3b0 RP(r2): smp_call_function_many+0x310/0x3b0 Backtrace: [<00000000402024a0>] on_each_cpu+0x58/0xa0 [<0000000040159998>] flush_tlb_all+0x108/0x1e8 [<0000000040249600>] tlb_flush_mmu_tlbonly+0x48/0xa8 [<000000004024a480>] tlb_finish_mmu+0x30/0x98 [<00000000402551dc>] exit_mmap+0x134/0x1b8 [<00000000401811d8>] mmput+0xc0/0x1a8 [<0000000040186438>] do_exit+0x320/0xcb8 [<000000004015c2d8>] die_if_kernel+0x1f8/0x2e0 [<000000004015d158>] handle_interruption+0x9a8/0x9d0 timer_interrupt(CPU 3): delayed! cycles 82907FF3 rem 90D60D next/now 356676622F NMI watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [systemd-udevd:927] Modules linked in: sd_mod ohci_pci pata_sil680 mptspi ehci_pci ohci_hcd scsi_trd CPU: 3 PID: 927 Comm: systemd-udevd Tainted: G D W L 4.5.0-rc5 #1 task: 000000007f622b18 ti: 000000007e550000 task.ti: 000000007e550000 YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI PSW: 00001000000001101111111100001111 Tainted: G D W L r00-03 000000ff0806ff0f 000000007e551d10 0000000040202348 000000007e551c40 r04-07 000000004070f340 000000007e551ce0 000000004079c560 000000004079c4a0 r08-11 0000000042e4b360 0000000042e4b368 0000000000000001 00000000406e8360 r12-15 0000000000000000 000000007e551ce0 0000000010201000 0000000040738340 r16-19 000000007e551220 000000007fe8e800 000000007e71d800 0000000042e421d0 r20-23 0000000000000001 0000000042e4b368 000000000800000f 0000000000000000 r24-27 0000000000000000 0000000000000020 0000000042e4b368 000000004070f340 r28-31 0000000000000002 000000007e551d60 000000007e551d10 0000000000000003 sr00-03 000000000001b800 0000000000000000 0000000000000000 000000000001b800 sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000 IASQ: 0000000000000000 0000000000000000 IAOQ: 0000000040202370 0000000040202374 IIR: 4a7f0030 ISR: 0000000000000000 IOR: 0000000002000200 CPU: 3 CR30: 000000007e550000 CR31: fffffffffffeffff ORIG_R28: 0000000000000000 IAOQ[0]: smp_call_function_many+0x338/0x3b0 IAOQ[1]: smp_call_function_many+0x33c/0x3b0 RP(r2): smp_call_function_many+0x310/0x3b0 Backtrace: [<00000000402024a0>] on_each_cpu+0x58/0xa0 [<0000000040159998>] flush_tlb_all+0x108/0x1e8 [<0000000040249600>] tlb_flush_mmu_tlbonly+0x48/0xa8 [<000000004024a480>] tlb_finish_mmu+0x30/0x98 [<00000000402551dc>] exit_mmap+0x134/0x1b8 [<00000000401811d8>] mmput+0xc0/0x1a8 [<0000000040186438>] do_exit+0x320/0xcb8 [<000000004015c2d8>] die_if_kernel+0x1f8/0x2e0 [<000000004015d158>] handle_interruption+0x9a8/0x9d0 timer_interrupt(CPU 3): delayed! cycles 82919115 rem 8FC4EB next/now 3BEB647A21 NMI watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [udevadm:929] Modules linked in: sd_mod ohci_pci pata_sil680 mptspi ehci_pci ohci_hcd scsi_trd CPU: 1 PID: 929 Comm: udevadm Tainted: G D W L 4.5.0-rc5 #1 task: 000000007f074d18 ti: 000000007c648000 task.ti: 000000007c648000 YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI PSW: 00001000000001001111111100001111 Tainted: G D W L r00-03 000000ff0804ff0f 000000007c648850 0000000040202348 000000007c648780 r04-07 000000004070f340 000000007c648820 000000004079c560 000000004079c4a0 r08-11 0000000042e29360 0000000042e29368 0000000000000001 00000000406e8360 r12-15 0000000000000000 000000007c648820 00000000fa88bb88 0000000000000002 r16-19 00000000fa889f20 0000000000000000 00000000000ce9f4 0000000042e42190 r20-23 0000000000000001 0000000042e29368 000000000800000f 0000000000000000 r24-27 0000000000000000 0000000000000020 0000000042e29368 000000004070f340 r28-31 0000000000000002 000000007c6488a0 000000007c648850 0000000000000003 sr00-03 0000000000015800 0000000000015800 0000000000000000 0000000000015800 sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000 IASQ: 0000000000000000 0000000000000000 IAOQ: 0000000040202370 0000000040202374 IIR: 4a7f0030 ISR: 0000000000000000 IOR: 0000000002000200 CPU: 1 CR30: 000000007c648000 CR31: ffffffffffffffff ORIG_R28: 0000000000000000 IAOQ[0]: smp_call_function_many+0x338/0x3b0 IAOQ[1]: smp_call_function_many+0x33c/0x3b0 RP(r2): smp_call_function_many+0x310/0x3b0 Backtrace: [<00000000402024a0>] on_each_cpu+0x58/0xa0 [<0000000040159998>] flush_tlb_all+0x108/0x1e8 [<0000000040249600>] tlb_flush_mmu_tlbonly+0x48/0xa8 [<000000004024a480>] tlb_finish_mmu+0x30/0x98 [<00000000402551dc>] exit_mmap+0x134/0x1b8 [<00000000401811d8>] mmput+0xc0/0x1a8 [<0000000040186438>] do_exit+0x320/0xcb8 [<00000000401880a0>] do_group_exit+0x50/0xf0 [<0000000040188160>] SyS_exit_group+0x20/0x28 [<0000000040149fe8>] syscall_exit+0x0/0x14 timer_interrupt(CPU 1): delayed! cycles 84101F2A rem 4263D6 next/now 3CCB28AEFD NMI watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [systemd-udevd:927] Modules linked in: sd_mod ohci_pci pata_sil680 mptspi ehci_pci ohci_hcd scsi_trd CPU: 3 PID: 927 Comm: systemd-udevd Tainted: G D W L 4.5.0-rc5 #1 task: 000000007f622b18 ti: 000000007e550000 task.ti: 000000007e550000 YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI PSW: 00001000000001101111111100001111 Tainted: G D W L r00-03 000000ff0806ff0f 000000007e551d10 0000000040202348 000000007e551c40 r04-07 000000004070f340 000000007e551ce0 000000004079c560 000000004079c4a0 r08-11 0000000042e4b360 0000000042e4b368 0000000000000001 00000000406e8360 r12-15 0000000000000000 000000007e551ce0 0000000010201000 0000000040738340 r16-19 000000007e551220 000000007fe8e800 000000007e71d800 0000000042e421d0 r20-23 0000000000000001 0000000042e4b368 000000000800000f 0000000000000000 r24-27 0000000000000000 0000000000000020 0000000042e4b368 000000004070f340 r28-31 0000000000000002 000000007e551d60 000000007e551d10 0000000000000003 sr00-03 000000000001b800 0000000000000000 0000000000000000 000000000001b800 sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000 IASQ: 0000000000000000 0000000000000000 IAOQ: 0000000040202370 0000000040202374 IIR: 4a7f0030 ISR: 0000000000000000 IOR: 0000000002000200 CPU: 3 CR30: 000000007e550000 CR31: fffffffffffeffff ORIG_R28: 0000000000000000 IAOQ[0]: smp_call_function_many+0x338/0x3b0 IAOQ[1]: smp_call_function_many+0x33c/0x3b0 RP(r2): smp_call_function_many+0x310/0x3b0 Backtrace: [<00000000402024a0>] on_each_cpu+0x58/0xa0 [<0000000040159998>] flush_tlb_all+0x108/0x1e8 [<0000000040249600>] tlb_flush_mmu_tlbonly+0x48/0xa8 [<000000004024a480>] tlb_finish_mmu+0x30/0x98 [<00000000402551dc>] exit_mmap+0x134/0x1b8 [<00000000401811d8>] mmput+0xc0/0x1a8 [<0000000040186438>] do_exit+0x320/0xcb8 [<000000004015c2d8>] die_if_kernel+0x1f8/0x2e0 [<000000004015d158>] handle_interruption+0x9a8/0x9d0 timer_interrupt(CPU 3): delayed! cycles 829113E3 rem 90421D next/now 427052922F NMI watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [udevadm:929] Modules linked in: sd_mod ohci_pci pata_sil680 mptspi ehci_pci ohci_hcd scsi_trd CPU: 1 PID: 929 Comm: udevadm Tainted: G D W L 4.5.0-rc5 #1 task: 000000007f074d18 ti: 000000007c648000 task.ti: 000000007c648000 YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI PSW: 00001000000001001111111100001111 Tainted: G D W L r00-03 000000ff0804ff0f 000000007c648850 0000000040202348 000000007c648780 r04-07 000000004070f340 000000007c648820 000000004079c560 000000004079c4a0 r08-11 0000000042e29360 0000000042e29368 0000000000000001 00000000406e8360 r12-15 0000000000000000 000000007c648820 00000000fa88bb88 0000000000000002 r16-19 00000000fa889f20 0000000000000000 00000000000ce9f4 0000000042e42190 r20-23 0000000000000001 0000000042e29368 000000000800000f 0000000000000000 r24-27 0000000000000000 0000000000000020 0000000042e29368 000000004070f340 r28-31 0000000000000002 000000007c6488a0 000000007c648850 0000000000000003 sr00-03 0000000000015800 0000000000015800 0000000000000000 0000000000015800 sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000 IASQ: 0000000000000000 0000000000000000 IAOQ: 0000000040202370 0000000040202374 IIR: 4a7f0030 ISR: 0000000000000000 IOR: 0000000002000200 CPU: 1 CR30: 000000007c648000 CR31: ffffffffffffffff ORIG_R28: 0000000000000000 IAOQ[0]: smp_call_function_many+0x338/0x3b0 IAOQ[1]: smp_call_function_many+0x33c/0x3b0 RP(r2): smp_call_function_many+0x310/0x3b0 Backtrace: [<00000000402024a0>] on_each_cpu+0x58/0xa0 [<0000000040159998>] flush_tlb_all+0x108/0x1e8 [<0000000040249600>] tlb_flush_mmu_tlbonly+0x48/0xa8 [<000000004024a480>] tlb_finish_mmu+0x30/0x98 [<00000000402551dc>] exit_mmap+0x134/0x1b8 [<00000000401811d8>] mmput+0xc0/0x1a8 [<0000000040186438>] do_exit+0x320/0xcb8 [<00000000401880a0>] do_group_exit+0x50/0xf0 [<0000000040188160>] SyS_exit_group+0x20/0x28 [<0000000040149fe8>] syscall_exit+0x0/0x14 timer_interrupt(CPU 1): delayed! cycles 840FA62E rem 42DCD2 next/now 435016C6F1 I've downloaded linux-block and I'll see if I can pin point the change that causes the problem. Dave -- John David Anglin dave.anglin@xxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-parisc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html