Just started to compile todays git with memmove fixes on many sparcs and got the following warning on Ultra 1 during git or make: [435962.279707] BUG: Bad rss-counter state mm:fffff800322b72e0 idx:0 val:7 [435962.357276] BUG: non-zero nr_ptes on freeing mm: 1 This is the first time I remember having seen this. After boot into 4.0.0-rc4-00048-gc586165 I performed only debian upgrade and that was fine. No load since then. Full dmesg: [ 0.000000] PROMLIB: Sun IEEE Boot Prom 'OBP 3.35.0 2004/04/19 12:15' [ 0.000000] PROMLIB: Root node compatible: [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 4.0.0-rc4-00048-gc586165 (mroos@melon) (gcc version 4.9.2 (Debian 4.9.2-10) ) #68 Wed Mar 18 23:32:55 EET 2015 [ 0.000000] bootconsole [earlyprom0] enabled [ 0.000000] ARCH: SUN4U [ 0.000000] Ethernet address: 08:00:20:9f:6b:e4 [ 0.000000] MM: PAGE_OFFSET is 0xfffff80000000000 (max_phys_bits == 40) [ 0.000000] MM: VMALLOC [0x0000000100000000 --> 0x0000060000000000] [ 0.000000] MM: VMEMMAP [0x0000060000000000 --> 0x00000c0000000000] [ 0.000000] Kernel: Using 2 locked TLB entries for main kernel image. [ 0.000000] Remapping the kernel... done. [ 0.000000] OF stdout device is: /sbus@1f,0/zs@f,1100000:a [ 0.000000] PROM: Built device tree with 52336 bytes of memory. [ 0.000000] Top of RAM: 0x33f50000, Total RAM: 0x33f3e000 [ 0.000000] Memory hole size: 0MB [ 0.000000] Allocated 16384 bytes for kernel page tables. [ 0.000000] Zone ranges: [ 0.000000] Normal [mem 0x0000000000000000-0x0000000033f4ffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000000000-0x0000000033efdfff] [ 0.000000] node 0: [mem 0x0000000033f00000-0x0000000033f2bfff] [ 0.000000] node 0: [mem 0x0000000033f3c000-0x0000000033f4ffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x0000000033f4ffff] [ 0.000000] On node 0 totalpages: 106399 [ 0.000000] Normal zone: 832 pages used for memmap [ 0.000000] Normal zone: 0 pages reserved [ 0.000000] Normal zone: 106399 pages, LIFO batch:15 [ 0.000000] Booting Linux... [ 0.000000] CPU CAPS: [flush,stbar,swap,muldiv,v9,mul32,div32,v8plus] [ 0.000000] CPU CAPS: [vis] [ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768 [ 0.000000] pcpu-alloc: [0] 0 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 105567 [ 0.000000] Kernel command line: root=/dev/sda2 ro scsi_mod.use_blk_mq=1 [ 0.000000] PID hash table entries: 4096 (order: 2, 32768 bytes) [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 1048576 bytes) [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 524288 bytes) [ 0.000000] Sorting __ex_table... [ 0.000000] Memory: 835968K/851192K available (3508K kernel code, 232K rwdata, 856K rodata, 152K init, 399K bss, 15224K reserved, 0K cma-reserved) [ 0.000000] NR_IRQS:2048 nr_irqs:2048 1 [ 56.943784] clocksource: mult[6fe6a98] shift[24] [ 56.998540] clockevent: mult[249a9110] shift[32] [ 57.054566] Console: colour dummy device 80x25 [ 57.106957] console [tty0] enabled [ 57.147540] bootconsole [earlyprom0] disabled [ 57.349810] Calibrating delay using timer specific routine.. 286.85 BogoMIPS (lpj=1434273) [ 57.349906] pid_max: default: 32768 minimum: 301 [ 57.350626] Mount-cache hash table entries: 2048 (order: 1, 16384 bytes) [ 57.350715] Mountpoint-cache hash table entries: 2048 (order: 1, 16384 bytes) [ 57.353820] Initializing cgroup subsys blkio [ 57.353931] Initializing cgroup subsys net_cls [ 57.358492] devtmpfs: initialized [ 57.372548] NET: Registered protocol family 16 [ 57.393363] SYSIO: UPA portID ffffffff, at 000001fe00000000 [ 57.458504] SCSI subsystem initialized [ 57.462843] /sbus@1f,0/eeprom@f,1200000: Mostek regs at 0x1fff1200000 [ 57.464701] AUXIO: Found device at /sbus@1f,0/auxio@f,1900000 [ 57.465026] Switched to clocksource tick [ 57.540921] NET: Registered protocol family 2 [ 57.544039] TCP established hash table entries: 8192 (order: 3, 65536 bytes) [ 57.544565] TCP bind hash table entries: 8192 (order: 3, 65536 bytes) [ 57.545115] TCP: Hash tables configured (established 8192 bind 8192) [ 57.545686] TCP: reno registered [ 57.545770] UDP hash table entries: 512 (order: 1, 16384 bytes) [ 57.545955] UDP-Lite hash table entries: 512 (order: 1, 16384 bytes) [ 57.546884] NET: Registered protocol family 1 [ 57.553608] futex hash table entries: 256 (order: -1, 6144 bytes) [ 57.553930] audit: initializing netlink subsys (disabled) [ 57.554298] audit: type=2000 audit(0.370:1): initialized [ 57.558452] HugeTLB registered 8 MB page size, pre-allocated 0 pages [ 57.565919] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253) [ 57.566125] io scheduler noop registered [ 57.566246] io scheduler deadline registered [ 57.566517] io scheduler cfq registered (default) [ 57.570001] f005a290: ttyS0 at MMIO 0x1fff1100000 (irq = 9, base_baud = 307200) is a zs [ 57.570186] Console: ttyS0 (SunZilog zs0) [ 62.263936] console [ttyS0] enabled [ 62.308210] f005a290: ttyS1 at MMIO 0x1fff1100004 (irq = 9, base_baud = 307200) is a zs [ 62.404104] f005b730: Keyboard at MMIO 0x1fff1000000 (irq = 9) is a zs [ 62.480413] f005b730: Mouse at MMIO 0x1fff1000004 (irq = 9) is a zs [ 62.560901] esp f0062a74: esp0: regs[1ffe8800000:1ffe8400000] irq[10] [ 62.636210] esp f0062a74: esp0: is a FAS100A, 40 MHz (ccf=0), SCSI ID 7 [ 65.725797] scsi host0: esp [ 65.761256] scsi 0:0:0:0: Direct-Access MAXTOR ATLAS10K4_36SCA DFV0 PQ: 0 ANSI: 3 [ 65.856479] scsi target0:0:0: Beginning Domain Validation [ 65.922840] esp f00735ac: esp1: regs[1ff08810000:1ff08800000] irq[14] [ 65.998111] esp f00735ac: esp1: is a FASHME, 40 MHz (ccf=0), SCSI ID 7 [ 66.078317] scsi target0:0:0: FAST-10 SCSI 10.0 MB/s ST (100 ns, offset 15) [ 66.161287] scsi target0:0:0: Domain Validation skipping write tests [ 66.235935] scsi target0:0:0: Ending Domain Validation [ 67.475014] scsi 0:0:6:0: CD-ROM TOSHIBA XM-5401TASUN4XCD 2565 PQ: 0 ANSI: 2 [ 67.570259] scsi target0:0:6: Beginning Domain Validation [ 67.648795] scsi target0:0:6: FAST-5 SCSI 4.2 MB/s ST (236 ns, offset 15) [ 67.735942] scsi target0:0:6: Domain Validation skipping write tests [ 67.810155] scsi target0:0:6: Ending Domain Validation [ 69.085904] scsi host1: esp [ 69.123165] sd 0:0:0:0: [sda] 71833096 512-byte logical blocks: (36.7 GB/34.2 GiB) [ 69.215628] mousedev: PS/2 mouse device common for all mice [ 69.285689] rtc-m48t59 rtc-m48t59.0: rtc core: registered m48t59 as rtc0 [ 69.366109] TCP: cubic registered [ 69.403873] NET: Registered protocol family 17 [ 69.457181] Key type dns_resolver registered [ 69.511375] sd 0:0:0:0: [sda] Write Protect is off [ 69.566937] sd 0:0:0:0: [sda] Mode Sense: ed 00 10 08 [ 69.569089] sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, supports DPO and FUA [ 69.674549] rtc-m48t59 rtc-m48t59.0: setting system clock to 2015-03-19 07:33:06 UTC (1426750386) [ 69.794636] sda: sda1 sda2 sda3 sda4 [ 69.847126] sd 0:0:0:0: [sda] Attached SCSI disk [ 70.276859] input: Sun Mouse as /devices/root/f0059940/f005b730/serio1/input/input1 [ 72.831332] EXT4-fs (sda2): mounting ext3 file system using the ext4 subsystem [ 72.953697] EXT4-fs (sda2): mounted filesystem with ordered data mode. Opts: (null) [ 73.043765] VFS: Mounted root (ext3 filesystem) readonly on device 8:2. [ 73.162036] devtmpfs: mounted [ 76.838997] systemd-udevd[430]: starting version 215 [ 77.184809] random: udevd urandom read with 50 bits of entropy available [ 78.252814] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ 78.330173] sr 0:0:6:0: [sr0] scsi-1 drive [ 78.377338] cdrom: Uniform CD-ROM driver Revision: 3.20 [ 78.736436] sr 0:0:6:0: Attached scsi generic sg1 type 5 [ 78.965701] sr 0:0:6:0: Attached scsi CD-ROM sr0 [ 82.416022] Adding 360440k swap on /dev/sda4. Priority:-1 extents:1 across:360440k [ 82.788875] EXT4-fs (sda2): re-mounted. Opts: (null) [ 83.457973] EXT4-fs (sda2): re-mounted. Opts: errors=remount-ro [ 86.898222] NET: Registered protocol family 10 [ 87.140412] sunhme.c:v3.10 August 26, 2008 David S. Miller (davem@xxxxxxxxxxxxx) [ 87.230806] eth0: HAPPY MEAL (SBUS) 10/100baseT Ethernet 08:00:20:9f:6b:e4 [ 87.477278] sunlance.c:v2.02 8/24/03 Miguel de Icaza (miguel@xxxxxxxxxxxxxxx) [ 87.561510] SunLance: using auto-carrier-detection. [ 87.622235] eth1: LANCE 08:00:20:9f:6b:e4 [ 87.839352] qlogicpti0: IRQ 15 SCSI ID 7 (Firmware v1.31.32)(FCode 1.21 95/05/18) qlogicpti0: [Fast Wide, using single ended interface] [ 88.369234] scsi host2: PTI Qlogic,ISP SBUS SCSI irq 15 regs at 000001ff10010000 [ 88.492073] scsi 2:0:0:0: Medium Changer ADIC FastStor 2 G12r PQ: 0 ANSI: 2 [ 89.617884] scsi 2:0:5:0: Sequential-Access HP Ultrium 2-SCSI F53A PQ: 0 ANSI: 3 [ 92.030924] scsi 2:0:0:0: Attached scsi generic sg2 type 8 [ 92.114193] SCSI Media Changer driver v0.25 [ 92.176225] scsi 2:0:5:0: Attached scsi generic sg3 type 1 [ 92.293939] st: Version 20101219, fixed bufsize 32768, s/g segs 256 [ 92.466422] parport0: sunbpp at 0x1ffec800000 [ 92.519371] ch 2:0:0:0: [ch0] type #1 (mt): 0x56+1 [medium transport] [ 92.594714] ch 2:0:0:0: [ch0] type #2 (st): 0x1+8 [storage] [ 92.661329] ch 2:0:0:0: [ch0] type #3 (ie): 0x0+0 [import/export] [ 92.734245] ch 2:0:0:0: [ch0] type #4 (dt): 0x52+1 [data transfer] [ 93.181096] ch 2:0:0:0: [ch0] dt 0x52: [ 93.225180] ch 2:0:0:0: [ch0] ID 5, LUN 0, [ 93.275135] ch 2:0:0:0: [ch0] name: HP Ultrium 2-SCSI F53A [ 93.349101] ch 2:0:0:0: [ch0] INITIALIZE ELEMENT STATUS, may take some time ... [ 94.323186] EXT4-fs (sda1): mounting ext3 file system using the ext4 subsystem [ 94.425735] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null) [ 95.960982] random: nonblocking pool is initialized [ 115.858170] ch 2:0:0:0: [ch0] ... finished [ 115.905318] ch 2:0:0:0: Attached scsi changer ch0 [ 115.985269] st 2:0:5:0: Attached scsi tape st0 [ 116.036625] st 2:0:5:0: st0: try direct i/o: yes (alignment 4 B) [ 116.174279] osst :I: Tape driver with OnStream support version 0.99.4 osst :I: $Id: osst.c,v 1.73 2005/01/01 21:13:34 wriede Exp $ [ 121.268097] eth0: Link is up using internal transceiver at 100Mb/s, Full Duplex. [435962.279707] BUG: Bad rss-counter state mm:fffff800322b72e0 idx:0 val:7 [435962.357276] BUG: non-zero nr_ptes on freeing mm: 1 -- Meelis Roos (mroos@xxxxxxxx) -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
