On 08.01.2016 22:30, Meelis Roos wrote: > (Try 2, spelling linux-block correctly - please ignore the previous one) > > I noticed on RP3440 and A500 that recent 4.4-rc* crashes on boot. I've not seen it with 4.4-rc yet, but I've seen it on debian kernel 4.3.3: [ 25.516000] scsi_id(112): unaligned access to 0x00000000facdf009 at ip=0x000000004100390b [ 25.628000] sd 3:0:6:0: [sdb] Attached SCSI disk [ 25.716000] scsi_id(113): unaligned access to 0x00000000fada7009 at ip=0x000000004100390b [ 25.864000] random: nonblocking pool is initialized [ 25.928000] Backtrace: [ 25.928000] [<000000000046feb8>] scsi_init_sgtable+0x70/0x168 [scsi_mod] [ 25.928000] [<000000000047001c>] scsi_init_io+0x6c/0x258 [scsi_mod] [ 25.928000] [<0000000000828f28>] sd_init_command+0x70/0xec8 [sd_mod] [ 25.928000] [ 25.928000] [ 25.928000] Bad Address (null pointer deref?): Code=15 regs=00000000bbe69100 (Addr=c00002613ce9de94) [ 25.928000] CPU: 0 PID: 67 Comm: systemd-udevd Not tainted 4.3.0-1-parisc64-smp #1 Debian 4.3.3-4 [ 25.928000] task: 00000000bbe67548 ti: 00000000bbe68000 task.ti: 00000000bbe68000 [ 25.928000] [ 25.928000] YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI [ 25.928000] PSW: 00001000000001001111111100001110 Not tainted [ 25.928000] r00-03 000000ff0804ff0e 00000000bbe68fd0 000000004043abd8 00000000bbe68fd0 [ 25.928000] r04-07 00000000408eea40 0000000000014000 0000000000000000 000000000000001c [ 25.928000] r08-11 0000000000000001 0000000000000000 f4b3d2613ce9de94 00000000bbd94100 [ 25.928000] r12-15 00000000000001c0 000000000000000a 0000000000001000 000000007f8c3148 [ 25.928000] r16-19 0000000000000000 0000000000001000 0000000041dfa600 0000000000001000 [ 25.928000] r20-23 0000000000000000 000000007fabac00 0000000000011000 0000000040987a40 [ 25.928000] r24-27 0000000000000000 0000000040e18000 000000007fac1d30 00000000408eea40 [ 25.928000] r28-31 f4b3d2613ce9de94 00000000bbe690d0 00000000bbe69100 0000000000000001 [ 25.928000] sr00-03 0000000000014000 0000000000000000 0000000000000000 0000000000014000 [ 25.928000] sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 25.928000] [ 25.928000] IASQ: 0000000000000000 0000000000000000 IAOQ: 000000004043abe0 000000004043abe4 [ 25.928000] IIR: 0d4010dc ISR: 0000000034b3d000 IOR: c00002613ce9de94 [ 25.928000] CPU: 0 CR30: 00000000bbe68000 CR31: 00000000d20345e0 [ 25.928000] ORIG_R28: 0000000000000000 [ 25.928000] IAOQ[0]: blk_rq_map_sg+0x2a0/0x568 [ 25.928000] IAOQ[1]: blk_rq_map_sg+0x2a4/0x568 [ 25.928000] RP(r2): blk_rq_map_sg+0x298/0x568 [ 25.928000] Backtrace: [ 25.928000] [<000000000046feb8>] scsi_init_sgtable+0x70/0x168 [scsi_mod] [ 25.928000] [<000000000047001c>] scsi_init_io+0x6c/0x258 [scsi_mod] [ 25.928000] [<0000000000828f28>] sd_init_command+0x70/0xec8 [sd_mod] Interestingly on a C8000 workstation I see instead: [ 25.920000] kernel BUG at /build/linux-2YuUZy/linux-4.3.3/drivers/scsi/scsi_lib.c:1096! Helge > The > following is dmesg that was copied piecewise by hand from ILO console > log (so it can contain some whitespace damage), from > 4.4.0-rc7-00028-gc616920 on RP3440: > > SCSI subsystem initialized > 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 > Chassis warnings not supported. > Performance monitoring counters enabled for Storm Peak Slow > futex hash table entries: 1024 (order: 3, 32768 bytes) > HugeTLB registered 2 MB page size, pre-allocated 0 pages > 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) > PDC Stable Storage facility v0.30 > STI GSC/PCI core graphics driver Version 0.9b > Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled > 0000:e0:01.0: ttyS0 at MMIO 0xfffffffff4051000 (irq = 27, base_baud = 115200) is a 16450 > 0000:e0:01.1: ttyS1 at MMIO 0xfffffffff4050000 (irq = 27, base_baud = 115200) is a 16550A > console [ttyS1] enabled > console [ttyS1] enabled > bootconsole [ttyB0] disabled > bootconsole [ttyB0] disabled > 0000:e0:01.1: ttyS2 at MMIO 0xfffffffff4050010 (irq = 27, base_baud = 115200) is a 16550A > 0000:e0:01.1: ttyS3 at MMIO 0xfffffffff4050038 (irq = 27, base_baud = 115200) is a 16550A > sym0: <1010-66> rev 0x1 at pci 0000:20:01.0 irq 22 > sym0: No NVRAM, ID 7, Fast-80, LVD, parity checking > sym0: SCSI BUS has been reset. > scsi host0: sym-2.2.3 > scsi 0:0:0:0: Direct-Access COMPAQ BF07285A36 HPB7 PQ: 0 ANSI: 3 > scsi target0:0:0: tagged command queuing enabled, command queue depth 16. > scsi target0:0:0: Beginning Domain Validation > scsi target0:0:0: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns, offset 31) > scsi target0:0:0: Ending Domain Validation > random: nonblocking pool is initialized > sym1: <1010-66> rev 0x1 at pci 0000:20:01.1 irq 23 > sym1: No NVRAM, ID 7, Fast-80, LVD, parity checking > sym1: SCSI BUS has been reset. > scsi host1: sym-2.2.3 > mousedev: PS/2 mouse device common for all mice > sd 0:0:0:0: [sda] 142264000 512-byte logical blocks: (72.8 GB/67.8 GiB) > rtc-generic rtc-generic: rtc core: registered rtc-generic as rtc0 > NET: Registered protocol family 17 > sd 0:0:0:0: [sda] Write Protect is off > rtc-generic rtc-generic: setting system clock to 2015-12-31 11:45:39 UTC (1451562339) > sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, supports DPO and FUA > sda: sda1 sda2 sda3 sda4 > sd 0:0:0:0: [sda] Attached SCSI disk > EXT4-fs (sda3): couldn't mount as ext3 due to feature incompatibilities > EXT4-fs (sda3): couldn't mount as ext2 due to feature incompatibilities > EXT4-fs (sda3): mounted filesystem with ordered data mode. Opts: (null) > VFS: Mounted root (ext4 filesystem) readonly on device 8:3. > devtmpfs: mounted > Freeing unused kernel memory: 1024K (0000000040100000 - 0000000040200000) > ------------[ cut here ]------------ > WARNING: at block/blk-merge.c:438 > Modules linked in: > CPU: 0 PID: 1 Comm: init Not tainted 4.4.0-rc7-00028-gc616920 #81 > task: 000000007fce8000 ti: 000000007fc3c000 task.ti: 000000007fc3c000 > > YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI > PSW: 00001000000001101111111100001111 Not tainted > r00-03 000000ff0806ff0f 000000007fc3d990 0000000000000000 000000007fc3d990 > r04-07 00000000407b20b0 0000000000000000 0000000000000110 0000000000000000 > r08-11 0000000000000000 0000000000000001 000000033f8b6bf0 0000000000000000 > r12-15 0000000000001000 000000033f9e0000 0000000000000002 0000000000000011 > r16-19 0000000042174470 000000033f8b6bf0 000000033f8b6930 0000000000000000 > r20-23 0000000000000000 000000007f1dd800 0000000000011000 0000000000000000 > r24-27 0000000000000000 2ffffedf40000000 000000033f8b6bf0 00000000407b20b0 > r28-31 0000000000000001 0000000000001000 000000007fc3dac0 0000000000000001 > sr00-03 0000000000000000 0000000000000800 0000000000000000 0000000000000800 > sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > > IASQ: 0000000000000000 0000000000000000 IAOQ: 0000000040481d9c 0000000040481da0 > IIR: 03ffe01f ISR: 0000000010340800 IOR: 000003fe2d8b6bf0 > CPU: 0 CR30: 000000007fc3c000 CR31: ffffffffffffffff > ORIG_R28: 0000000000000158 > IAOQ[0]: blk_rq_map_sg+0x5cc/0x600 > IAOQ[1]: blk_rq_map_sg+0x5d0/0x600 > RP(r2): (null) > Backtrace: > [<00000000405510d0>] scsi_init_sgtable+0xa0/0x130 > [<00000000405511b4>] scsi_init_io+0x54/0x160 > [<0000000040570958>] sd_init_command+0x68/0x708 > [<00000000405513c4>] scsi_setup_cmnd+0x104/0x1a0 > [<0000000040551f54>] scsi_queue_rq+0x864/0x9f8 > [<00000000404877f4>] __blk_mq_run_hw_queue+0x2e4/0x4e0 > [<00000000404874e4>] blk_mq_run_hw_queue+0xdc/0x108 > [<000000004048928c>] blk_mq_insert_requests+0x15c/0x190 > [<000000004048a19c>] blk_mq_flush_plug_list+0x17c/0x1a8 > [<000000004047af64>] blk_flush_plug_list+0x104/0x2b0 > [<000000004047b4c4>] blk_finish_plug+0x44/0x68 > [<00000000402ee0dc>] __do_page_cache_readahead+0x29c/0x360 > [<00000000402dfb4c>] filemap_fault+0x4f4/0x5a0 > [<000000004030d464>] __do_fault+0x5c/0x148 > [<000000004031360c>] handle_mm_fault+0xa84/0x1a10 > > ---[ end trace 4a3faaec387ada43 ]--- > ------------[ cut here ]------------ > kernel BUG at drivers/scsi/scsi_lib.c:1096! > CPU: 0 PID: 1 Comm: init Tainted: G W 4.4.0-rc7-00028-gc616920 #81 > task: 000000007fce8000 ti: 000000007fc3c000 task.ti: 000000007fc3c000 > > YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI > PSW: 00001000000001101111111100001111 Tainted: G W > r00-03 000000ff0806ff0f 000000007fc3d990 00000000405510d0 000000007fc3d8f0 > r04-07 00000000407b20b0 0000000000000001 000000033f8b6b48 000000033f8b6930 > r08-11 000000033f871000 000000007f148000 0000000000011000 0000000040999d00 > r12-15 000000033f871000 000000033f8b6930 0000000000000000 000000033f871000 > r16-19 0000000000000000 0000000000000158 000000033f854ba0 0000000000000000 > r20-23 0000000000000000 000000007f1dd800 0000000000011000 0000000000000000 > r24-27 0000000000000000 2ffffedf40000000 000000033f8b6bf0 00000000407b20b0 > r28-31 0000000000000002 0000000000001000 000000007fc3d990 0000000000000001 > sr00-03 0000000000000000 0000000000000800 0000000000000000 0000000000000800 > sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > > IASQ: 0000000000000000 0000000000000000 IAOQ: 0000000040551140 0000000040551144 > IIR: 03ffe01f ISR: 0000000000000000 IOR: 0000000000000000 > CPU: 0 CR30: 000000007fc3c000 CR31: ffffffffffffffff > ORIG_R28: 0000000000000000 > IAOQ[0]: scsi_init_sgtable+0x110/0x130 > IAOQ[1]: scsi_init_sgtable+0x114/0x130 > RP(r2): scsi_init_sgtable+0xa0/0x130 > Backtrace: > [<00000000405511b4>] scsi_init_io+0x54/0x160 > [<0000000040570958>] sd_init_command+0x68/0x708 > [<00000000405513c4>] scsi_setup_cmnd+0x104/0x1a0 > [<0000000040551f54>] scsi_queue_rq+0x864/0x9f8 > [<00000000404877f4>] __blk_mq_run_hw_queue+0x2e4/0x4e0 > [<00000000404874e4>] blk_mq_run_hw_queue+0xdc/0x108 > [<000000004048928c>] blk_mq_insert_requests+0x15c/0x190 > [<000000004048a19c>] blk_mq_flush_plug_list+0x17c/0x1a8 > [<000000004047af64>] blk_flush_plug_list+0x104/0x2b0 > [<000000004047b4c4>] blk_finish_plug+0x44/0x68 > [<00000000402ee0dc>] __do_page_cache_readahead+0x29c/0x360 > [<00000000402dfb4c>] filemap_fault+0x4f4/0x5a0 > [<000000004030d464>] __do_fault+0x5c/0x148 > [<000000004031360c>] handle_mm_fault+0xa84/0x1a10 > > CPU: 0 PID: 1 Comm: init Tainted: G W 4.4.0-rc7-00028-gc616920 #81 > Backtrace: > [<0000000040216888>] show_stack+0x20/0x38 > [<00000000404a2fac>] dump_stack+0xac/0x130 > [<0000000040216a5c>] die_if_kernel+0x19c/0x2e0 > [<0000000040217948>] handle_interruption+0x9a8/0x9d0 > > ---[ end trace 4a3faaec387ada44 ]--- > note: init[1] exited with preempt_count 2 > Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b > > ---[ end Kernel panic - not syncing: Attempted to kill init! > exitcode=0x0000000b > -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
