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[Bug 225] New: thread deadlock on full fs.

To: xfs-master@xxxxxxxxxxx
Subject: [Bug 225] New: thread deadlock on full fs.
From: bugzilla-daemon@xxxxxxxxxxx
Date: Mon, 24 Feb 2003 09:52:28 -0800
Sender: linux-xfs-bounce@xxxxxxxxxxx
http://oss.sgi.com/bugzilla/show_bug.cgi?id=225

           Summary: thread deadlock on full fs.
           Product: Linux XFS
           Version: 1.2.x
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: critical
          Priority: High
         Component: XFS kernel code
        AssignedTo: xfs-master@xxxxxxxxxxx
        ReportedBy: stephy32@xxxxxxxxxxxx


If this is a userspace bug, what version of the package are you using:

What kernel are you using:  2.4.20 cvs from dec19 after fix from 256 ag...

Where did the XFS code come from?  (CVS, Linus, your distribution, etc):
cvs tree download

Description of Problem:
A thread writing eventually deadlock waiting for some resouce when fs gets full.
No SCSI error or other problem.  Reproduceable also with raid 0 strip over 2 HW
raid 5...

How Reproducible: withing a day.


Steps to Reproduce:
1. create a fs on an extra u160 SCSI 18 GB drive.
2. Start a few script that write to it, locally or over NFS.
3. Wait for system to go idle with load average going up, 10,50, 100 -> 300.

Actual Results:
system stop being usefull

Expected Results:
Geep going.

Additional Information:

Backtrace of D process, bdflush, kswapd...

Stack traceback for pid 1
0xc1910000        1        0  0    0   D  0xc1910370  init
EBP        EIP        Function (args)
0xc1911bc0 0xc01156f3 schedule+0x493 (0x0, 0xc1910000, 0x0, 0x0, 0x0)
                               kernel .text 0xc0100000 0xc0115260 0xc01157b0
0xc1911bf0 0xc0212fc8 lock_wait+0x98 (0xeeb6ca70, 0xeeb6ca88, 0x0, 0x8)
                               kernel .text 0xc0100000 0xc0212f30 0xc0213000
0xc1911c08 0xc0213088 mraccessf+0x48 (0xeeb6ca68, 0x0, 0xeeb6cadc, 0x9f8000)
                               kernel .text 0xc0100000 0xc0213040 0xc02130b0
0xc1911c20 0xc01e905a xfs_ilock+0x6a (0xeeb6c9e0, 0xc8, 0xef927c40, 0x5b2, 0x0)
                               kernel .text 0xc0100000 0xc01e8ff0 0xc01e9070
0xc1911c88 0xc020d644 xfs_iomap+0x104 (0xeeb6cadc, 0x9f8000, 0x0, 0x1000, 
0x8000)
                               kernel .text 0xc0100000 0xc020d540 0xc020d880
0xc1911cac 0xc02106a9 xfs_bmap+0x29 (0xeeb6c9f8, 0x9f8000, 0x0, 0x1000, 0x8000)
                               kernel .text 0xc0100000 0xc0210680 0xc02106b0
0xc1911cec 0xc0209f2d map_blocks+0x8d (0xef015320, 0x9f8000, 0x0, 0x1000,
0xc1911d40)
                               kernel .text 0xc0100000 0xc0209ea0 0xc0209fb0
0xc1911d8c 0xc020a607 delalloc_convert+0x137 (0xc1590210, 0x1, 0x0, 0x1, 0x1)
                               kernel .text 0xc0100000 0xc020a4d0 0xc020a830
0xc1911db8 0xc020abff linvfs_writepage+0xaf (0xc1590210, 0x2173c, 0x0, 0x0, 0x2)
                               kernel .text 0xc0100000 0xc020ab50 0xc020ac50
0xc1911e5c 0xc013bc4e write_some_buffers+0xae (0x0, 0xea31d680)
                               kernel .text 0xc0100000 0xc013bba0 0xc013bd20
0xc1911e6c 0xc013cbec balance_dirty+0x2c (0xea31d680, 0x1000, 0x0, 0x5b1d00, 
0x0)
                               kernel .text 0xc0100000 0xc013cbc0 0xc013cc00
0xc1911e8c 0xc013d81f __block_commit_write+0xaf (0xd272d6a0, 0xc1306770, 0xb80,
0xd00, 0xd272d6a0)
                               kernel .text 0xc0100000 0xc013d770 0xc013d840
0xc1911eb4 0xc013df9b generic_commit_write+0x3b (0xea02b880, 0xc1306770, 0xb80,
0xd00, 0xc1911ef8)
                               kernel .text 0xc0100000 0xc013df60 0xc013e010
0xc1911f0c 0xc012dc75 generic_file_write_nolock+0x495 (0xea02b880, 0xbffffb00,
0x180, 0xc1911f84, 0x0)
                               kernel .text 0xc0100000 0xc012d7e0 0xc012dec0
0xc1911f64 0xc021037f xfs_write+0x3bf (0xeef79228, 0xea02b880, 0xbffffb00,
0x180, 0xc1911f84)
                               kernel .text 0xc0100000 0xc020ffc0 0xc0210640
0xc1911f98 0xc020b1d5 linvfs_write+0xa5 (0xea02b880, 0xbffffb00, 0x180,
0xea02b8a0, 0xc1910000)
                               kernel .text 0xc0100000 0xc020b130 0xc020b210
0xc1911fbc 0xc013a9d8 sys_write+0x98 (0x1, 0xbffffb00, 0x180, 0x5b1b80, 0x0)
                               kernel .text 0xc0100000 0xc013a940 0xc013aa50
           0xc0107193 system_call+0x33
                               kernel .text 0xc0100000 0xc0107160 0xc0107198
Stack traceback for pid 6
0xefdd4000        6        1  0    0   D  0xefdd4370  bdflush
EBP        EIP        Function (args)
0xefdd5d38 0xc01156f3 schedule+0x493 (0x0, 0xefdd4000, 0x0, 0x0, 0x0)
                               kernel .text 0xc0100000 0xc0115260 0xc01157b0
0xefdd5d68 0xc0212fc8 lock_wait+0x98 (0xeeb6ca70, 0xeeb6ca88, 0x0, 0x8)
                               kernel .text 0xc0100000 0xc0212f30 0xc0213000
0xefdd5d80 0xc0213088 mraccessf+0x48 (0xeeb6ca68, 0x0, 0xeeb6cadc, 0x9f5000)
                               kernel .text 0xc0100000 0xc0213040 0xc02130b0
0xefdd5d98 0xc01e905a xfs_ilock+0x6a (0xeeb6c9e0, 0xc8, 0xefcedb80, 0xefdd5dd8,
0xc0254b06)
                               kernel .text 0xc0100000 0xc01e8ff0 0xc01e9070
0xefdd5e00 0xc020d644 xfs_iomap+0x104 (0xeeb6cadc, 0x9f5000, 0x0, 0x1000, 
0x8000)
                               kernel .text 0xc0100000 0xc020d540 0xc020d880
0xefdd5e24 0xc02106a9 xfs_bmap+0x29 (0xeeb6c9f8, 0x9f5000, 0x0, 0x1000, 0x8000)
                               kernel .text 0xc0100000 0xc0210680 0xc02106b0
0xefdd5e64 0xc0209f2d map_blocks+0x8d (0xef015320, 0x9f5000, 0x0, 0x1000,
0xefdd5eb8)
                               kernel .text 0xc0100000 0xc0209ea0 0xc0209fb0
0xefdd5f04 0xc020a607 delalloc_convert+0x137 (0xefcf8e18, 0x1, 0xe826a480,
0x950a6, 0x8)
                               kernel .text 0xc0100000 0xc020a4d0 0xc020a830
0xefdd5efc 0xc02553b9 generic_make_request+0x119 (0xc1063890, 0x131d9, 0x0, 0x0,
0xced77880)
                               kernel .text 0xc0100000 0xc02552a0 0xc02553d0
0xefdd5fd4 0xc013bc4e write_some_buffers+0xae (0x0, 0x10f00, 0xc1911fa8, 
0xc0105000)
                               kernel .text 0xc0100000 0xc013bba0 0xc013bd20
0xefdd5fec 0xc013f42b bdflush+0xbb
                               kernel .text 0xc0100000 0xc013f370 0xc013f450
           0xc0105756 kernel_thread+0x26
                               kernel .text 0xc0100000 0xc0105730 0xc0105770
Stack traceback for pid 7
0xefdd2000        7        1  0    0   D  0xefdd2370  kupdated
EBP        EIP        Function (args)
0xefdd38b0 0xc01156f3 schedule+0x493 (0x1, 0xefdd2000, 0xeb003c10, 0xe4cd638c,
0xe4cd6380)
                               kernel .text 0xc0100000 0xc0115260 0xc01157b0
0xefdd38d0 0xc0105d28 __down+0x68 (0xe4cd6380, 0xe4cd63b4, 0x0)
                               kernel .text 0xc0100000 0xc0105cc0 0xc0105d90
0xefdd38e4 0xc0105edb __down_failed+0xb (0xe4cd63b4, 0xefdd3920, 0xc0207a87,
0xe4cd6380, 0x5)
                               kernel .text 0xc0100000 0xc0105ed0 0xc0105ee4
           0xc0209b39 .text.lock.page_buf_locking+0xc
                               kernel .text 0xc0100000 0xc0209b2d 0xc0209b50
0xefdd38f0 0xc0209c10 xfs_read_xfsstats+0xc0 (0x0, 0x7290a, 0x0, 0xfe0005, 0xd)
                               kernel .text 0xc0100000 0xc0209b50 0xc0209c70
           0xc0271887 scsi_dispatch_cmd+0x1a7 (0xeeb6c9e0, 0xef163800, 0x1,
0xefdd3dbc, 0xeeb6c9e0)
                               kernel .text 0xc0100000 0xc02716e0 0xc0271a80
0xefdd3d70 0xc020d37f _xfs_imap_to_bmap+0x2f (0xeeb6c9e0, 0xefdd3dc0,
0xefdd3dbc, 0x1, 0x0)
                               kernel .text 0xc0100000 0xc020d350 0xc020d540
0xefdd3dec 0xc020d816 xfs_iomap+0x2d6 (0xeeb6cadc, 0x9f4000, 0x0, 0x1000, 
0x8000)
                               kernel .text 0xc0100000 0xc020d540 0xc020d880
0xefdd3e10 0xc02106a9 xfs_bmap+0x29 (0xeeb6c9f8, 0x9f4000, 0x0, 0x1000, 0x8000)
                               kernel .text 0xc0100000 0xc0210680 0xc02106b0
0xefdd3e50 0xc0209f2d map_blocks+0x8d (0xef015320, 0x9f4000, 0x0, 0x1000,
0xefdd3ea4)
                               kernel .text 0xc0100000 0xc0209ea0 0xc0209fb0
0xefdd3ef0 0xc020a607 delalloc_convert+0x137 (0xc16b7dd0, 0x1, 0x0, 0x1, 0x1)
                               kernel .text 0xc0100000 0xc020a4d0 0xc020a830
0xefdd3f1c 0xc020abff linvfs_writepage+0xaf (0xc16b7dd0, 0xc, 0x0, 0x0, 0x8)
                               kernel .text 0xc0100000 0xc020ab50 0xc020ac50
0xefdd3fc0 0xc013bc4e write_some_buffers+0xae (0xef163800, 0x31, 0x0,
0xefdd3fc0, 0x0)
                               kernel .text 0xc0100000 0xc013bba0 0xc013bd20
0xefdd3fb0 0xc0211c07 linvfs_write_super+0x27
                               kernel .text 0xc0100000 0xc0211be0 0xc0211c10
           0xc0105756 kernel_thread+0x26
                               kernel .text 0xc0100000 0xc0105730 0xc0105770
Stack traceback for pid 687
0xef5f2000      687        1  0    1   D  0xef5f2370  syslogd
EBP        EIP        Function (args)
0xef5f3b4c 0xc01156f3 schedule+0x493 (0x0, 0xef5f2000, 0x0, 0x0, 0x0)
                               kernel .text 0xc0100000 0xc0115260 0xc01157b0
0xef5f3b7c 0xc0212fc8 lock_wait+0x98 (0xeeb6ca70, 0xeeb6ca88, 0x0, 0x8)
                               kernel .text 0xc0100000 0xc0212f30 0xc0213000
0xef5f3b94 0xc0213088 mraccessf+0x48 (0xeeb6ca68, 0x0, 0xeeb6cadc, 0x9f7000)
                               kernel .text 0xc0100000 0xc0213040 0xc02130b0
0xef5f3bac 0xc01e905a xfs_ilock+0x6a (0xeeb6c9e0, 0xc8, 0xee9fd650, 0xb, 0x0)
                               kernel .text 0xc0100000 0xc01e8ff0 0xc01e9070
0xef5f3c14 0xc020d644 xfs_iomap+0x104 (0xeeb6cadc, 0x9f7000, 0x0, 0x1000, 
0x8000)
                               kernel .text 0xc0100000 0xc020d540 0xc020d880
0xef5f3c38 0xc02106a9 xfs_bmap+0x29 (0xeeb6c9f8, 0x9f7000, 0x0, 0x1000, 0x8000)
                               kernel .text 0xc0100000 0xc0210680 0xc02106b0
0xef5f3c78 0xc0209f2d map_blocks+0x8d (0xef015320, 0x9f7000, 0x0, 0x1000,
0xef5f3ccc)
                               kernel .text 0xc0100000 0xc0209ea0 0xc0209fb0
0xef5f3d18 0xc020a607 delalloc_convert+0x137 (0xc17b4970, 0x1, 0x0, 0x1, 0x1)
                               kernel .text 0xc0100000 0xc020a4d0 0xc020a830
0xef5f3d44 0xc020abff linvfs_writepage+0xaf (0xc17b4970, 0x2173c, 0x0, 0x0,
0xef0f3780)
                               kernel .text 0xc0100000 0xc020ab50 0xc020ac50
0xef5f3de8 0xc013bc4e write_some_buffers+0xae (0x286, 0x2, 0xef5f2000,
0xfffffc18, 0x1)
                               kernel .text 0xc0100000 0xc013bba0 0xc013bd20
           0xc025457d generic_unplug_device+0x2d (0xeebbf880, 0xc110af00, 0x9ad,
0x9bc, 0xef5f3e84)
                               kernel .text 0xc0100000 0xc0254550 0xc0254590
0xef5f3e98 0xc012dc75 generic_file_write_nolock+0x495 (0xeebbf880, 0x8052da0,
0xf, 0xef5f3f10, 0x4a)
                               kernel .text 0xc0100000 0xc012d7e0 0xc012dec0
0xef5f3ef0 0xc021037f xfs_write+0x3bf (0xef07c118, 0xeebbf880, 0x8052da0, 0xf,
0xef5f3f10)
                               kernel .text 0xc0100000 0xc020ffc0 0xc0210640
0xef5f3f24 0xc020b1d5 linvfs_write+0xa5 (0xeebbf880, 0x8052da0, 0xf, 0xeebbf8a0,
0xa9ad)
                               kernel .text 0xc0100000 0xc020b130 0xc020b210
0xef5f3f9c 0xc013ac0d do_readv_writev+0x1bd (0x0, 0xeebbf880, 0xbfffef80, 0x6,
0xef5f2000)
                               kernel .text 0xc0100000 0xc013aa50 0xc013acd0
0xef5f3fbc 0xc013ad73 sys_writev+0x43 (0x4, 0xbfffef80, 0x6, 0x6, 0x4)
                               kernel .text 0xc0100000 0xc013ad30 0xc013ad90
           0xc0107193 system_call+0x33
                               kernel .text 0xc0100000 0xc0107160 0xc0107198
Stack traceback for pid 1128
0xed66c000     1128        1  0    0   D  0xed66c370  nmbd
EBP        EIP        Function (args)
0xed66dbc0 0xc01156f3 schedule+0x493 (0x0, 0xed66c000, 0x0, 0x0, 0x0)
                               kernel .text 0xc0100000 0xc0115260 0xc01157b0
0xed66dbf0 0xc0212fc8 lock_wait+0x98 (0xeeb6ca70, 0xeeb6ca88, 0x0, 0x8)
                               kernel .text 0xc0100000 0xc0212f30 0xc0213000
0xed66dc08 0xc0213088 mraccessf+0x48 (0xeeb6ca68, 0x0, 0xeeb6cadc, 0x9f9000)
                               kernel .text 0xc0100000 0xc0213040 0xc02130b0
0xed66dc20 0xc01e905a xfs_ilock+0x6a (0xeeb6c9e0, 0xc8, 0xed74bbd0, 0x3d, 0x0)
                               kernel .text 0xc0100000 0xc01e8ff0 0xc01e9070
0xed66dc88 0xc020d644 xfs_iomap+0x104 (0xeeb6cadc, 0x9f9000, 0x0, 0x1000, 
0x8000)
                               kernel .text 0xc0100000 0xc020d540 0xc020d880
0xed66dcac 0xc02106a9 xfs_bmap+0x29 (0xeeb6c9f8, 0x9f9000, 0x0, 0x1000, 0x8000)
                               kernel .text 0xc0100000 0xc0210680 0xc02106b0
0xed66dcec 0xc0209f2d map_blocks+0x8d (0xef015320, 0x9f9000, 0x0, 0x1000,
0xed66dd40)
                               kernel .text 0xc0100000 0xc0209ea0 0xc0209fb0
0xed66dd8c 0xc020a607 delalloc_convert+0x137 (0xc183f210, 0x1, 0x0, 0x1, 0x1)
                               kernel .text 0xc0100000 0xc020a4d0 0xc020a830
0xed66ddb8 0xc020abff linvfs_writepage+0xaf (0xc183f210, 0x2173c, 0x0, 0x0,
0xef147280)
                               kernel .text 0xc0100000 0xc020ab50 0xc020ac50
0xed66de5c 0xc013bc4e write_some_buffers+0xae (0x286, 0xed66de00, 0xed66c000,
0xfffffc18, 0x0)
                               kernel .text 0xc0100000 0xc013bba0 0xc013bd20
           0xc025457d generic_unplug_device+0x2d (0xedc9f200, 0xc1791390, 0x17f,
0x1c7, 0xed66def8)
                               kernel .text 0xc0100000 0xc0254550 0xc0254590
0xed66df0c 0xc012dc75 generic_file_write_nolock+0x495 (0xedc9f200, 0xbfffcca0,
0x48, 0xed66df84, 0x1000)
                               kernel .text 0xc0100000 0xc012d7e0 0xc012dec0
0xed66df64 0xc021037f xfs_write+0x3bf (0xed74bb88, 0xedc9f200, 0xbfffcca0, 0x48,
0xed66df84)
                               kernel .text 0xc0100000 0xc020ffc0 0xc0210640
0xed66df98 0xc020b1d5 linvfs_write+0xa5 (0xedc9f200, 0xbfffcca0, 0x48,
0xedc9f220, 0xed66c000)
                               kernel .text 0xc0100000 0xc020b130 0xc020b210
0xed66dfbc 0xc013a9d8 sys_write+0x98 (0x3, 0xbfffcca0, 0x48, 0x48, 0xbfffcca0)
                               kernel .text 0xc0100000 0xc013a940 0xc013aa50
           0xc0107193 system_call+0x33
                               kernel .text 0xc0100000 0xc0107160 0xc0107198
Stack traceback for pid 26146
0xebce4000    26146     1454  0    0   D  0xebce4370  dd
EBP        EIP        Function (args)
0xebce5b04 0xc01156f3 schedule+0x493 (0x1, 0xebce4000, 0xe4cd628c, 0xe4cd628c,
0xe4cd6280)
                               kernel .text 0xc0100000 0xc0115260 0xc01157b0
0xebce5b24 0xc0105d28 __down+0x68 (0xe4cd6280, 0xe4cd62b4, 0x0)
                               kernel .text 0xc0100000 0xc0105cc0 0xc0105d90
0xebce5b38 0xc0105edb __down_failed+0xb (0xe4cd62b4, 0xebce5b74, 0xc0207a87,
0xe4cd6280, 0x5)
                               kernel .text 0xc0100000 0xc0105ed0 0xc0105ee4
           0xc0209b39 .text.lock.page_buf_locking+0xc
                               kernel .text 0xc0100000 0xc0209b2d 0xc0209b50
0xebce5b44 0xc0209c10 xfs_read_xfsstats+0xc0 (0xeeb6c098, 0xebce5e50, 0x0, 0x0, 
0x0)
                               kernel .text 0xc0100000 0xc0209b50 0xc0209c70
0xebce5ecc 0xc020f014 linvfs_setattr+0x164 (0xeec0ad00, 0xebce5efc, 0x48,
0xef015d8c, 0xef015d20)
                               kernel .text 0xc0100000 0xc020eeb0 0xc020f070
0xebce5eec 0xc0151920 notify_change+0x80 (0xeec0ad00, 0xebce5efc, 0x48,
0xeeb6c080, 0x8)
                               kernel .text 0xc0100000 0xc01518a0 0xc0151b45
0xebce5f38 0xc0138f16 do_truncate+0x46 (0xeec0ad00, 0x0, 0x0, 0x0, 0x2)
                               kernel .text 0xc0100000 0xc0138ed0 0xc0138f30
0xebce5f64 0xc0146492 open_namei+0x4a2 (0xc1c33000, 0x8242, 0x1b6, 0xebce5f7c,
0xeec0ad00)
                               kernel .text 0xc0100000 0xc0145ff0 0xc0146640
0xebce5fa0 0xc0139ee7 filp_open+0x37 (0xc1c33000, 0x8241, 0x1b6, 0xebce4000,
0xbffffc96)
                               kernel .text 0xc0100000 0xc0139eb0 0xc0139f10
0xebce5fbc 0xc013a244 sys_open+0x34 (0xbffffc96, 0x8241, 0x1b6, 0xbffffc96, 0x1)
                               kernel .text 0xc0100000 0xc013a210 0xc013a2b0
           0xc0107193 system_call+0x33
                               kernel .text 0xc0100000 0xc0107160 0xc0107198
Stack traceback for pid 26240
0xeb002000    26240    25607  0    0   D  0xeb002370  rm
EBP        EIP        Function (args)
0xeb003c00 0xc01156f3 schedule+0x493 (0x1, 0xeb002000, 0xe4cd638c, 0xefdd38c0,
0xe4cd6380)
                               kernel .text 0xc0100000 0xc0115260 0xc01157b0
0xeb003c20 0xc0105d28 __down+0x68 (0xe4cd6380, 0xe4cd63b4, 0x0)
                               kernel .text 0xc0100000 0xc0105cc0 0xc0105d90
0xeb003c34 0xc0105edb __down_failed+0xb (0xe4cd63b4, 0xeb003c70, 0xc0207a87,
0xe4cd6380, 0x5)
                               kernel .text 0xc0100000 0xc0105ed0 0xc0105ee4
           0xc0209b39 .text.lock.page_buf_locking+0xc
                               kernel .text 0xc0100000 0xc0209b2d 0xc0209b50
0xeb003c40 0xc0209c10 xfs_read_xfsstats+0xc0 (0xecae3868, 0x0, 0xdb134880)
                               kernel .text 0xc0100000 0xc0209b50 0xc0209c70
0xeb003f1c 0xc02124c8 vn_rele+0x38 (0xdb134880, 0xdb1348a0)
                               kernel .text 0xc0100000 0xc0212490 0xc0212530
0xeb003f2c 0xc0211b62 linvfs_clear_inode+0x12 (0xdb1348a0, 0xdb1348a0)
                               kernel .text 0xc0100000 0xc0211b50 0xc0211b80
0xeb003f3c 0xc01506da clear_inode+0xda (0xdb1348a0, 0xeebdc980, 0xdb1348a0,
0xed01b0a0)
                               kernel .text 0xc0100000 0xc0150600 0xc0150720
0xeb003f54 0xc0151066 iput+0x176 (0xdb1348a0, 0xeb002000, 0x0)
                               kernel .text 0xc0100000 0xc0150ef0 0xc0151170
0xeb003f68 0xc014f056 d_delete+0x66 (0xeebdc980, 0xeebdc980, 0xc5245000, 
0xeebdc980)
                               kernel .text 0xc0100000 0xc014eff0 0xc014f0b0
0xeb003f80 0xc014720c vfs_unlink+0x1ec (0xed01b0a0, 0xeebdc980, 0xdcadab80,
0xef534dc0, 0xc5245015)
                               kernel .text 0xc0100000 0xc0147020 0xc0147250
0xeb003fbc 0xc01472d7 sys_unlink+0x87 (0xbffff8ae, 0x1, 0x0, 0xbffff8ae, 0x0)
                               kernel .text 0xc0100000 0xc0147250 0xc0147340
           0xc0107193 system_call+0x33
                               kernel .text 0xc0100000 0xc0107160 0xc0107198
Stack traceback for pid 26295
0xe4da8000    26295     1815  0    0   D  0xe4da8370  iotst64
EBP        EIP        Function (args)
0xe4da9bb8 0xc01156f3 schedule+0x493 (0x0, 0xe4da8000, 0x0, 0x0, 0x0)
                               kernel .text 0xc0100000 0xc0115260 0xc01157b0
0xe4da9be8 0xc0212fc8 lock_wait+0x98 (0xeeb6ca70, 0xeeb6ca88, 0x0, 0x8)
                               kernel .text 0xc0100000 0xc0212f30 0xc0213000
0xe4da9c00 0xc0213088 mraccessf+0x48 (0xeeb6ca68, 0x0, 0xeeb6cadc, 0x9f6000)
                               kernel .text 0xc0100000 0xc0213040 0xc02130b0
0xe4da9c18 0xc01e905a xfs_ilock+0x6a (0xeeb6c9e0, 0xc8, 0xcd4d0720, 0x2173f, 
0x0)
                               kernel .text 0xc0100000 0xc01e8ff0 0xc01e9070
0xe4da9c80 0xc020d644 xfs_iomap+0x104 (0xeeb6cadc, 0x9f6000, 0x0, 0x1000, 
0x8000)
                               kernel .text 0xc0100000 0xc020d540 0xc020d880
0xe4da9ca4 0xc02106a9 xfs_bmap+0x29 (0xeeb6c9f8, 0x9f6000, 0x0, 0x1000, 0x8000)
                               kernel .text 0xc0100000 0xc0210680 0xc02106b0
0xe4da9ce4 0xc0209f2d map_blocks+0x8d (0xef015320, 0x9f6000, 0x0, 0x1000,
0xe4da9d38)
                               kernel .text 0xc0100000 0xc0209ea0 0xc0209fb0
0xe4da9d84 0xc020a607 delalloc_convert+0x137 (0xc12406e0, 0x1, 0x0, 0x1, 0x1)
                               kernel .text 0xc0100000 0xc020a4d0 0xc020a830
0xe4da9db0 0xc020abff linvfs_writepage+0xaf (0xc12406e0, 0x2173c, 0x0, 0x0,
0xc01312a0)
                               kernel .text 0xc0100000 0xc020ab50 0xc020ac50
0xe4da9e54 0xc013bc4e write_some_buffers+0xae (0x0, 0xc2d74d80)
                               kernel .text 0xc0100000 0xc013bba0 0xc013bd20
0xe4da9e64 0xc013cbec balance_dirty+0x2c (0xc2d74d80, 0x1000, 0x0, 0x21730000, 
0x0)
                               kernel .text 0xc0100000 0xc013cbc0 0xc013cc00
0xe4da9e84 0xc013d81f __block_commit_write+0xaf (0xe8bcc9a0, 0xc12dce90, 0x0,
0x1000, 0xe8bcc9a0)
                               kernel .text 0xc0100000 0xc013d770 0xc013d840
0xe4da9eac 0xc013df9b generic_commit_write+0x3b (0xc3154a00, 0xc12dce90, 0x0,
0x1000, 0xe4da9ef0)
                               kernel .text 0xc0100000 0xc013df60 0xc013e010
0xe4da9f04 0xc012dc75 generic_file_write_nolock+0x495 (0xc3154a00, 0x8059a88,
0x1000, 0xe4da9f7c, 0xe4da8000)
                               kernel .text 0xc0100000 0xc012d7e0 0xc012dec0
0xe4da9f5c 0xc021037f xfs_write+0x3bf (0xcd4d06d8, 0xc3154a00, 0x804aa88,
0x10000, 0xe4da9f7c)
                               kernel .text 0xc0100000 0xc020ffc0 0xc0210640
0xe4da9f90 0xc020b1d5 linvfs_write+0xa5 (0xc3154a00, 0x804aa88, 0x10000,
0xe4da9fa8, 0x21720000)
                               kernel .text 0xc0100000 0xc020b130 0xc020b210
0xe4da9fbc 0xc013af74 sys_pwrite+0xb4 (0x3, 0x804aa88, 0x10000, 0x21720000, 0x0)
                               kernel .text 0xc0100000 0xc013aec0 0xc013afe8
           0xc0107193 system_call+0x33
                               kernel .text 0xc0100000 0xc0107160 0xc0107198
Stack traceback for pid 26572
0xe347c000    26572    26571  0    1   D  0xe347c370  sadc
EBP        EIP        Function (args)
0xe347dbc0 0xc01156f3 schedule+0x493 (0x0, 0xe347c000, 0x0, 0x0, 0x0)
                               kernel .text 0xc0100000 0xc0115260 0xc01157b0
0xe347dbf0 0xc0212fc8 lock_wait+0x98 (0xeeb6ca70, 0xeeb6ca88, 0x0, 0x8)
                               kernel .text 0xc0100000 0xc0212f30 0xc0213000
0xe347dc08 0xc0213088 mraccessf+0x48 (0xeeb6ca68, 0x0, 0xeeb6cadc, 0x9fa000)
                               kernel .text 0xc0100000 0xc0213040 0xc02130b0
0xe347dc20 0xc01e905a xfs_ilock+0x6a (0xeeb6c9e0, 0xc8, 0xedbc6ac0, 0x1c, 0x0)
                               kernel .text 0xc0100000 0xc01e8ff0 0xc01e9070
0xe347dc88 0xc020d644 xfs_iomap+0x104 (0xeeb6cadc, 0x9fa000, 0x0, 0x1000, 
0x8000)
                               kernel .text 0xc0100000 0xc020d540 0xc020d880
0xe347dcac 0xc02106a9 xfs_bmap+0x29 (0xeeb6c9f8, 0x9fa000, 0x0, 0x1000, 0x8000)
                               kernel .text 0xc0100000 0xc0210680 0xc02106b0
0xe347dcec 0xc0209f2d map_blocks+0x8d (0xef015320, 0x9fa000, 0x0, 0x1000,
0xe347dd40)
                               kernel .text 0xc0100000 0xc0209ea0 0xc0209fb0
0xe347dd8c 0xc020a607 delalloc_convert+0x137 (0xc17cfbb0, 0x1, 0x0, 0x1, 0x1)
                               kernel .text 0xc0100000 0xc020a4d0 0xc020a830
0xe347ddb8 0xc020abff linvfs_writepage+0xaf (0xc17cfbb0, 0x2173c, 0x0, 0x0,
0xe8266b80)
                               kernel .text 0xc0100000 0xc020ab50 0xc020ac50
0xe347de5c 0xc013bc4e write_some_buffers+0xae (0x286, 0xe347de00, 0xe347c000,
0xfffffc18, 0x1)
                               kernel .text 0xc0100000 0xc013bba0 0xc013bd20
           0xc025457d generic_unplug_device+0x2d (0xe46ef700, 0xc17c7780, 0x415,
0x51d, 0xe347def8)
                               kernel .text 0xc0100000 0xc0254550 0xc0254590
0xe347df0c 0xc012dc75 generic_file_write_nolock+0x495 (0xe46ef700, 0x804f660,
0x108, 0xe347df84, 0xc0127848)
                               kernel .text 0xc0100000 0xc012d7e0 0xc012dec0
0xe347df64 0xc021037f xfs_write+0x3bf (0xedbc6a78, 0xe46ef700, 0x804f660, 0x108,
0xe347df84)
                               kernel .text 0xc0100000 0xc020ffc0 0xc0210640
0xe347df98 0xc020b1d5 linvfs_write+0xa5 (0xe46ef700, 0x804f660, 0x108,
0xe46ef720, 0xe347c000)
                               kernel .text 0xc0100000 0xc020b130 0xc020b210
0xe347dfbc 0xc013a9d8 sys_write+0x98 (0x3, 0x804f660, 0x108, 0x3, 0xbffffbf8)
                               kernel .text 0xc0100000 0xc013a940 0xc013aa50
           0xc0107193 system_call+0x33
                               kernel .text 0xc0100000 0xc0107160 0xc0107198
Stack traceback for pid 26874
0xe0848000    26874    26873  0    1   D  0xe0848370  sadc
EBP        EIP        Function (args)
0xe0849ef0 0xc01156f3 schedule+0x493 (0x0, 0xe0848000, 0x0, 0x0, 0x0)
                               kernel .text 0xc0100000 0xc0115260 0xc01157b0
0xe0849f20 0xc0212fc8 lock_wait+0x98 (0xedbc6b14, 0xedbc6b2c, 0x0, 0x2)
                               kernel .text 0xc0100000 0xc0212f30 0xc0213000
0xe0849f38 0xc0213088 mraccessf+0x48 (0xedbc6b0c, 0x0, 0x7ff, 0xe5)
                               kernel .text 0xc0100000 0xc0213040 0xc02130b0
0xe0849f50 0xc01e902b xfs_ilock+0x3b (0xedbc6a60, 0x2, 0xeefd5400, 0xedbc6a60,
0xe0849fa0)
                               kernel .text 0xc0100000 0xc01e8ff0 0xc01e9070
0xe0849f78 0xc020fb6b xfs_read+0xfb (0xedbc6a78, 0xea02b800, 0x804f780, 0xe5,
0xea02b820)
                               kernel .text 0xc0100000 0xc020fa70 0xc020fc40
0xe0849f98 0xc020b125 linvfs_read+0x25 (0xea02b800, 0x804f780, 0xe5, 0xea02b820,
0xe0848000)
                               kernel .text 0xc0100000 0xc020b100 0xc020b130
0xe0849fbc 0xc013a8c8 sys_read+0x98 (0x3, 0x804f780, 0xe5, 0xbffffbf8, 
0xbffffbfc)
                               kernel .text 0xc0100000 0xc013a830 0xc013a940
           0xc0107193 system_call+0x33
                               kernel .text 0xc0100000 0xc0107160 0xc0107198
Stack traceback for pid 27175
0xc7f8e000    27175    27174  0    0   D  0xc7f8e370  sadc
EBP        EIP        Function (args)
0xc7f8fef0 0xc01156f3 schedule+0x493 (0x0, 0xc7f8e000, 0x0, 0x0, 0x0)
                               kernel .text 0xc0100000 0xc0115260 0xc01157b0
0xc7f8ff20 0xc0212fc8 lock_wait+0x98 (0xedbc6b14, 0xedbc6b2c, 0x0, 0x2)
                               kernel .text 0xc0100000 0xc0212f30 0xc0213000
0xc7f8ff38 0xc0213088 mraccessf+0x48 (0xedbc6b0c, 0x0, 0x7ff, 0xe5)
                               kernel .text 0xc0100000 0xc0213040 0xc02130b0
0xc7f8ff50 0xc01e902b xfs_ilock+0x3b (0xedbc6a60, 0x2, 0xeefd5400, 0xedbc6a60,
0xc7f8ffa0)
                               kernel .text 0xc0100000 0xc01e8ff0 0xc01e9070
0xc7f8ff78 0xc020fb6b xfs_read+0xfb (0xedbc6a78, 0xd095e700, 0x804f780, 0xe5,
0xd095e720)
                               kernel .text 0xc0100000 0xc020fa70 0xc020fc40
0xc7f8ff98 0xc020b125 linvfs_read+0x25 (0xd095e700, 0x804f780, 0xe5, 0xd095e720,
0xc7f8e000)
                               kernel .text 0xc0100000 0xc020b100 0xc020b130
0xc7f8ffbc 0xc013a8c8 sys_read+0x98 (0x3, 0x804f780, 0xe5, 0xbffffbf8, 
0xbffffbfc)
                               kernel .text 0xc0100000 0xc013a830 0xc013a940
           0xc0107193 system_call+0x33
                               kernel .text 0xc0100000 0xc0107160 0xc0107198
Stack traceback for pid 27236
0xc40cc000    27236      895  0    0   D  0xc40cc370  sshd
EBP        EIP        Function (args)
0xc40cdf48 0xc01156f3 schedule+0x493 (0x1, 0xc40cc000, 0xd272d718, 0xddf07f58,
0xd272d6a0)
                               kernel .text 0xc0100000 0xc0115260 0xc01157b0
0xc40cdf68 0xc0105d28 __down+0x68 (0xd272d70c, 0xc40cdf84, 0xe170b180)
                               kernel .text 0xc0100000 0xc0105cc0 0xc0105d90
0xc40cdf7c 0xc0105edb __down_failed+0xb (0x5b1b80, 0x0, 0x180, 0xe170b180,
0xffffffea)
                               kernel .text 0xc0100000 0xc0105ed0 0xc0105ee4
           0xc020b5b8 .text.lock.xfs_file+0x5
                               kernel .text 0xc0100000 0xc020b5b3 0xc020b5e0
0xc40cdf98 0xc020b1bc linvfs_write+0x8c (0xe170b180, 0xbffff240, 0x180,
0xe170b1a0, 0xc40cc000)
                               kernel .text 0xc0100000 0xc020b130 0xc020b210
0xc40cdfbc 0xc013a9d8 sys_write+0x98 (0x6, 0xbffff240, 0x180, 0x5b1b80, 0x0)
                               kernel .text 0xc0100000 0xc013a940 0xc013aa50
           0xc0107193 system_call+0x33
                               kernel .text 0xc0100000 0xc0107160 0xc0107198
Stack traceback for pid 27238
0xddf06000    27238    27236  0    1   D  0xddf06370  sshd
EBP        EIP        Function (args)
0xddf07f48 0xc01156f3 schedule+0x493 (0x1, 0xddf06000, 0xc40cdf58, 0xd272d718,
0xd272d6a0)
                               kernel .text 0xc0100000 0xc0115260 0xc01157b0
0xddf07f68 0xc0105d28 __down+0x68 (0xd272d70c, 0xddf07f84, 0xd0ad4f00)
                               kernel .text 0xc0100000 0xc0105cc0 0xc0105d90
0xddf07f7c 0xc0105edb __down_failed+0xb (0x5b1b80, 0x0, 0x180, 0xd0ad4f00,
0xffffffea)
                               kernel .text 0xc0100000 0xc0105ed0 0xc0105ee4
           0xc020b5b8 .text.lock.xfs_file+0x5
                               kernel .text 0xc0100000 0xc020b5b3 0xc020b5e0
0xddf07f98 0xc020b1bc linvfs_write+0x8c (0xd0ad4f00, 0xbfffe070, 0x180,
0xd0ad4f20, 0xddf06000)
                               kernel .text 0xc0100000 0xc020b130 0xc020b210
0xddf07fbc 0xc013a9d8 sys_write+0x98 (0x6, 0xbfffe070, 0x180, 0x5b1b80, 0x0)
                               kernel .text 0xc0100000 0xc013a940 0xc013aa50
           0xc0107193 system_call+0x33
                               kernel .text 0xc0100000 0xc0107160 0xc0107198



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