http://oss.sgi.com/bugzilla/show_bug.cgi?id=737
Summary: XFS kernel panic in 2.6.19.1.
Product: Linux XFS
Version: unspecified
Platform: PC
OS/Version: Linux
Status: NEW
Severity: major
Priority: P2
Component: XFS kernel code
AssignedTo: xfs-master@xxxxxxxxxxx
ReportedBy: dylang@xxxxxxxxx
I had a couple of kernel panics which seemed to be the result of some lurking
bugs in XFS. I noticed them after the file server stopped responding to
requests. So far, I haven't been able to determine what triggered it or figure
out a way to easily reproduce the panics.
Linux zephyr 2.6.19.1 #2 Thu Dec 28 17:27:20 CST 2006 i686 unknown unknown
GNU/Linux
Jan 2 22:42:01 zephyr kernel: kernel BUG at mm/slab.c:594!
Jan 2 22:42:01 zephyr kernel: invalid opcode: 0000 [#1]
Jan 2 22:42:01 zephyr kernel: Modules linked in: dm_mod ehci_hcd ohci_hcd
sch_sfq sch_teql sch_tbf sch_red sch_prio sch_htb sch_gred sch_dsmark sch_cbq
sch_ingress cls_u32 cls_tcindex cls_rsvp cls_route cls_fw
Jan 2 22:42:01 zephyr kernel: CPU: 0
Jan 2 22:42:01 zephyr kernel: EIP: 0060:[<c01547cb>] Not tainted VLI
Jan 2 22:42:01 zephyr kernel: EFLAGS: 00010046 (2.6.19.1 #2)
Jan 2 22:42:01 zephyr kernel: EIP is at kfree+0x6b/0x80
Jan 2 22:42:01 zephyr kernel: eax: c1800020 ebx: eb6aa650 ecx: 00000001
edx: c1800020
Jan 2 22:42:01 zephyr kernel: esi: 00001000 edi: 00000206 ebp: c1a67dd0
esp: c1a67dc4
Jan 2 22:42:01 zephyr kernel: ds: 007b es: 007b ss: 0068
Jan 2 22:42:01 zephyr kernel: Process kswapd0 (pid: 203, ti=c1a66000
task=c194c070 task.ti=c1a66000)
Jan 2 22:42:01 zephyr kernel: Stack: eb6aa650 00000000 eb6aa600 c1a67dd8
c021564d c1a67dec c01f603a eb6aa600
Jan 2 22:42:01 zephyr kernel: eb6aa600 00000001 c1a67df8 c01f60b4
eb6aa600 c1a67e04 c01f2979 eb6a9080
Jan 2 22:42:01 zephyr kernel: c1a67e1c c0213698 00000001 eb6aa600
eb6a9080 00000000 c1a67e34 c02135e4
Jan 2 22:42:01 zephyr kernel: Call Trace:
Jan 2 22:42:01 zephyr kernel: [<c021564d>] kmem_free+0x2d/0x40
Jan 2 22:42:01 zephyr kernel: [<c01f603a>] xfs_idestroy_fork+0xba/0xd0
Jan 2 22:42:01 zephyr kernel: [<c01f60b4>] xfs_idestroy+0x64/0x70
Jan 2 22:42:01 zephyr kernel: [<c01f2979>] xfs_ireclaim+0x59/0x70
Jan 2 22:42:02 zephyr kernel: [<c0213698>] xfs_finish_reclaim+0xa8/0x100
Jan 2 22:42:02 zephyr kernel: [<c02135e4>] xfs_reclaim+0xd4/0xe0
Jan 2 22:42:02 zephyr kernel: [<c021e4b6>] xfs_fs_clear_inode+0x46/0x80
Jan 2 22:42:02 zephyr kernel: [<c01683db>] clear_inode+0xdb/0x130
Jan 2 22:42:02 zephyr kernel: [<c0168473>] dispose_list+0x43/0xc0
Jan 2 22:42:02 zephyr kernel: [<c01686d6>] prune_icache+0xa6/0x160
Jan 2 22:42:02 zephyr kernel: [<c01687a7>] shrink_icache_memory+0x17/0x40
Jan 2 22:42:02 zephyr kernel: [<c0142de4>] shrink_slab+0x154/0x1a0
Jan 2 22:42:02 zephyr kernel: [<c0143f59>] balance_pgdat+0x249/0x2d0
Jan 2 22:42:02 zephyr kernel: [<c01440ad>] kswapd+0xcd/0xf0
Jan 2 22:42:02 zephyr kernel: [<c012c610>] kthread+0xa0/0xb0
Jan 2 22:42:02 zephyr kernel: [<c0103a6b>] kernel_thread_helper+0x7/0x1c
Jan 2 22:42:02 zephyr kernel: =======================
Jan 2 22:42:02 zephyr kernel: Code: 19 8b 03 3b 43 04 73 16 89 74 83 10 40 89
03 57 9d 8b 1c 24 8b 74 24 04 8b 7c 24 08 c9 c3 89 c8 89 da e8 69 fc ff ff 8b 03
eb dd <0f> 0b 52 02 ed a0 3f c0 eb c7 8b 52 0c eb b9 8d b6 00 00 00 00
Jan 2 22:42:02 zephyr kernel: EIP: [<c01547cb>] kfree+0x6b/0x80 SS:ESP
0068:c1a67dc4
Jan 3 12:34:48 zephyr kernel: kernel BUG at mm/slab.c:594!
Jan 3 12:34:48 zephyr kernel: invalid opcode: 0000 [#1]
Jan 3 12:34:48 zephyr kernel: Modules linked in: ehci_hcd ohci_hcd sch_sfq
sch_teql sch_tbf sch_red sch_prio sch_htb sch_gred sch_dsmark sch_cbq
sch_ingress cls_u32 cls_tcindex cls_rsvp cls_route cls_fw dm_mod
Jan 3 12:34:48 zephyr kernel: CPU: 0
Jan 3 12:34:48 zephyr kernel: EIP: 0060:[<c01547cb>] Not tainted VLI
Jan 3 12:34:48 zephyr kernel: EFLAGS: 00010046 (2.6.19.1 #2)
Jan 3 12:34:48 zephyr kernel: EIP is at kfree+0x6b/0x80
Jan 3 12:34:48 zephyr kernel: eax: c1800020 ebx: eb6aa650 ecx: 00000001
edx: c1800020
Jan 3 12:34:48 zephyr kernel: esi: 00001000 edi: 00000206 ebp: c1a1bdd0
esp: c1a1bdc4
Jan 3 12:34:48 zephyr kernel: ds: 007b es: 007b ss: 0068
Jan 3 12:34:48 zephyr kernel: Process kswapd0 (pid: 203, ti=c1a1a000
task=c19f1590 task.ti=c1a1a000)
Jan 3 12:34:48 zephyr kernel: Stack: eb6aa650 00000000 eb6aa600 c1a1bdd8
c021564d c1a1bdec c01f603a eb6aa600
Jan 3 12:34:48 zephyr kernel: eb6aa600 00000001 c1a1bdf8 c01f60b4
eb6aa600 c1a1be04 c01f2979 eb6a9600
Jan 3 12:34:48 zephyr kernel: c1a1be1c c0213698 00000001 eb6aa600
eb6a9600 00000000 c1a1be34 c02135e4
Jan 3 12:34:48 zephyr kernel: Call Trace:
Jan 3 12:34:48 zephyr kernel: [<c021564d>] kmem_free+0x2d/0x40
Jan 3 12:34:48 zephyr kernel: [<c01f603a>] xfs_idestroy_fork+0xba/0xd0
Jan 3 12:34:48 zephyr kernel: [<c01f60b4>] xfs_idestroy+0x64/0x70
Jan 3 12:34:48 zephyr kernel: [<c01f2979>] xfs_ireclaim+0x59/0x70
Jan 3 12:34:48 zephyr kernel: [<c0213698>] xfs_finish_reclaim+0xa8/0x100
Jan 3 12:34:48 zephyr kernel: [<c02135e4>] xfs_reclaim+0xd4/0xe0
Jan 3 12:34:48 zephyr kernel: [<c021e4b6>] xfs_fs_clear_inode+0x46/0x80
Jan 3 12:34:48 zephyr kernel: [<c01683db>] clear_inode+0xdb/0x130
Jan 3 12:34:48 zephyr kernel: [<c0168473>] dispose_list+0x43/0xc0
Jan 3 12:34:48 zephyr kernel: [<c01686d6>] prune_icache+0xa6/0x160
Jan 3 12:34:48 zephyr kernel: [<c01687a7>] shrink_icache_memory+0x17/0x40
Jan 3 12:34:48 zephyr kernel: [<c0142de4>] shrink_slab+0x154/0x1a0
Jan 3 12:34:48 zephyr kernel: [<c0143f59>] balance_pgdat+0x249/0x2d0
Jan 3 12:34:48 zephyr kernel: [<c01440ad>] kswapd+0xcd/0xf0
Jan 3 12:34:48 zephyr kernel: [<c012c610>] kthread+0xa0/0xb0
Jan 3 12:34:48 zephyr kernel: [<c0103a6b>] kernel_thread_helper+0x7/0x1c
Jan 3 12:34:48 zephyr kernel: =======================
Jan 3 12:34:48 zephyr kernel: Code: 19 8b 03 3b 43 04 73 16 89 74 83 10 40 89
03 57 9d 8b 1c 24 8b 74 24 04 8b 7c 24 08 c9 c3 89 c8 89 da e8 69 fc ff ff 8b 03
eb dd <0f> 0b 52 02 ed a0 3f c0 eb c7 8b 52 0c eb b9 8d b6 00 00 00 00
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