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[Bug 15516] New: Assertion failed: __xfs_iflags_test(ip, XFS_IRECLAIMABL

To: xfs-masters@xxxxxxxxxxx
Subject: [Bug 15516] New: Assertion failed: __xfs_iflags_test(ip, XFS_IRECLAIMABLE)
From: bugzilla-daemon@xxxxxxxxxxxxxxxxxxx
Date: Thu, 11 Mar 2010 11:05:59 GMT
Auto-submitted: auto-generated
http://bugzilla.kernel.org/show_bug.cgi?id=15516

           Summary: Assertion failed: __xfs_iflags_test(ip,
                    XFS_IRECLAIMABLE)
           Product: File System
           Version: 2.5
    Kernel Version: 2.6.33
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: XFS
        AssignedTo: xfs-masters@xxxxxxxxxxx
        ReportedBy: tolzmann@xxxxxxxxxxxxx
                CC: tolzmann@xxxxxxxxxxxxx
        Regression: No


Hello..

we have some problems with our Fileservers currently running kernel 2.6.33 ..

Background-Information: 
  We are using a 3ware Raid-Controller 9690SA-8E which has 1-6 Xtore-Enclosures 
  attached with 16 x 1 TB Seagate disks (RAID6) each.

  The 13TB xfs-mountpoints are exported via NFSv3.

  We are running this kind of hardware-configuration since 3 years now without 
  any xfs related issues.

  We have many servers crashing with the same problem.


  xfs_check/xfs_repair don't report any errors, the RAID6 is ok and no disk 
  reports any smart-related errors.

example xfs_info output for one 13 TB filesystem:

meta-data=/dev/sdc               isize=256    agcount=13, agsize=268435392 blks
         =                       sectsz=512   attr=2
data     =                       bsize=4096   blocks=3417931776, imaxpct=5
         =                       sunit=64     swidth=896 blks
naming   =version 2              bsize=4096   ascii-ci=0
log      =internal               bsize=4096   blocks=521728, version=2
         =                       sectsz=512   sunit=64 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0

The servers stopped running with NumLock/ScrollLock LEDs blinking with kernel
2.6.32 showing:

   Kernel panic - not syncing: xfs_fs_destroy_inode: cannot reclaim 
   0xffff88069b165940


Here is the dump of the "kernel BUG" of our 2.6.33 kernel (error message as
found in syslog):

Mar 11 05:58:33 oneirogmophobie kernel: Assertion failed: __xfs_iflags_test(ip,
XFS_IRECLAIMABLE), file: fs/xfs/linux-2.6/xfs_sync.c, line: 727
Mar 11 05:58:33 oneirogmophobie kernel: ------------[ cut here ]------------
Mar 11 05:58:33 oneirogmophobie kernel: kernel BUG at
fs/xfs/support/debug.c:109!
Mar 11 05:58:33 oneirogmophobie kernel: invalid opcode: 0000 [#1] PREEMPT SMP
Mar 11 05:58:33 oneirogmophobie kernel: last sysfs file:
/sys/devices/pci0000:00/0000:00:0f.0/0000:07:00.0/host6/scsi_host/host6/stats
Mar 11 05:58:33 oneirogmophobie kernel: CPU 1
Mar 11 05:58:33 oneirogmophobie kernel: Pid: 2923, comm: xfssyncd Not tainted
2.6.33.x86_64.42 #2 S2932/S2932-E/S2932-SI/empty
Mar 11 05:58:33 oneirogmophobie kernel: RIP: 0010:[<ffffffff81305f6a>] 
[<ffffffff81305f6a>] assfail+0x1a/0x20
Mar 11 05:58:33 oneirogmophobie kernel: RSP: 0018:ffff8804248dbd50  EFLAGS:
00010286
Mar 11 05:58:33 oneirogmophobie kernel: RAX: 000000000000006b RBX:
ffff88027c994840 RCX: 000000000001ffff
Mar 11 05:58:33 oneirogmophobie kernel: RDX: ffff880028240000 RSI:
0000000000000046 RDI: ffffffff81d8a414
Mar 11 05:58:33 oneirogmophobie kernel: RBP: ffff8804248dbd50 R08:
0000000000009bab R09: 0000000000000000
Mar 11 05:58:33 oneirogmophobie kernel: R10: 0000000000000000 R11:
ffff8806666d5b08 R12: 0000000000000002
Mar 11 05:58:33 oneirogmophobie kernel: R13: ffff88027c994938 R14:
ffff8804267b8060 R15: 0000000000000000
Mar 11 05:58:33 oneirogmophobie kernel: FS:  00007f0e4782b6f0(0000)
GS:ffff880028240000(0000) knlGS:00000000f765c6c0
Mar 11 05:58:33 oneirogmophobie kernel: CS:  0010 DS: 0000 ES: 0000 CR0:
000000008005003b
Mar 11 05:58:33 oneirogmophobie kernel: CR2: 0000000000590b30 CR3:
0000000424089000 CR4: 00000000000006e0
Mar 11 05:58:33 oneirogmophobie kernel: DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Mar 11 05:58:33 oneirogmophobie kernel: DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Mar 11 05:58:33 oneirogmophobie kernel: Process xfssyncd (pid: 2923, threadinfo
ffff8804248da000, task ffff8804250d3910)
Mar 11 05:58:33 oneirogmophobie kernel: Stack:
Mar 11 05:58:33 oneirogmophobie kernel:  ffff8804248dbd80 ffffffff81304b56
ffff8804267b8060 0000000000000001
Mar 11 05:58:33 oneirogmophobie kernel: <0> ffff8804267b80a8 ffff8804248dbdbc
ffff8804248dbdf0 ffffffff81305760
Mar 11 05:58:33 oneirogmophobie kernel: <0> 00000000248dbe10 0000000200000000
ffffffff81304b00 ffff88082508a800
Mar 11 05:58:33 oneirogmophobie kernel: Call Trace:
Mar 11 05:58:33 oneirogmophobie kernel:  [<ffffffff81304b56>]
xfs_reclaim_inode+0x56/0x120
Mar 11 05:58:33 oneirogmophobie kernel:  [<ffffffff81305760>]
xfs_inode_ag_walk+0x90/0x120
Mar 11 05:58:33 oneirogmophobie kernel:  [<ffffffff81304b00>] ?
xfs_reclaim_inode+0x0/0x120
Mar 11 05:58:33 oneirogmophobie kernel:  [<ffffffff81304b00>] ?
xfs_reclaim_inode+0x0/0x120
Mar 11 05:58:33 oneirogmophobie kernel:  [<ffffffff81305863>]
xfs_inode_ag_iterator+0x73/0xb0
Mar 11 05:58:33 oneirogmophobie kernel:  [<ffffffff813058ba>]
xfs_reclaim_inodes+0x1a/0x20
Mar 11 05:58:33 oneirogmophobie kernel:  [<ffffffff813058ee>]
xfs_sync_worker+0x2e/0x70
Mar 11 05:58:33 oneirogmophobie kernel:  [<ffffffff81304f29>]
xfssyncd+0x169/0x210
Mar 11 05:58:33 oneirogmophobie kernel:  [<ffffffff81304dc0>] ?
xfssyncd+0x0/0x210
Mar 11 05:58:33 oneirogmophobie kernel:  [<ffffffff8105469e>] kthread+0x8e/0xa0
Mar 11 05:58:33 oneirogmophobie kernel:  [<ffffffff81003214>]
kernel_thread_helper+0x4/0x10
Mar 11 05:58:33 oneirogmophobie kernel:  [<ffffffff81054610>] ?
kthread+0x0/0xa0
Mar 11 05:58:33 oneirogmophobie kernel:  [<ffffffff81003210>] ?
kernel_thread_helper+0x0/0x10
Mar 11 05:58:33 oneirogmophobie kernel: Code: 81 c7 44 24 08 01 00 00 00 e8 d3
24 04 00 c9 c3 90 55 89 d1 31 c0 48 89 f2 48 89 fe 48 c7 c7 38 29 ae 81 48
89 e5 e8 e1 a2 52 00 <0f> 0b eb fe 66 90 55 48 89 e5 48 83 ec 30 48 89 5d d8 4c
89 75
Mar 11 05:58:33 oneirogmophobie kernel: RIP  [<ffffffff81305f6a>]
assfail+0x1a/0x20
Mar 11 05:58:33 oneirogmophobie kernel:  RSP <ffff8804248dbd50>
Mar 11 05:58:33 oneirogmophobie kernel: ---[ end trace 867387936839e480 ]---
Mar 11 05:58:33 oneirogmophobie kernel: note: xfssyncd[2923] exited with
preempt_count 2

what other information should i supply to help fixing this problem.

please help 8)

regards,

   Marius Tolzmann

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