http://oss.sgi.com/bugzilla/show_bug.cgi?id=255
Summary: 2.5.72: kernel BUG at fs/xfs/pagebuf/page_buf.c:1288
Product: Linux XFS
Version: Current
Platform: IA32
OS/Version: Linux
Status: NEW
Severity: critical
Priority: High
Component: XFS kernel code
AssignedTo: xfs-master@xxxxxxxxxxx
ReportedBy: andreas.heilwagen@xxxxxxxxx
CC: andreas.heilwagen@xxxxxxxxx
I've found a bug in the XFS page buffer code which occured once a day with
2.5.66 and now every few days with 2.5.72. First the bug from the serial console
which occured during high load:
kernel BUG at fs/xfs/pagebuf/page_buf.c:1288!
invalid operand: 0000 [#1]
CPU: 1
EIP: 0060:[<c027b790>] Not tainted
EFLAGS: 00010202
EIP is at bio_end_io_pagebuf+0xf8/0x154
eax: 01008009 ebx: f0497fd0 ecx: c14e86a8 edx: dcca3380
esi: f0497fdc edi: 00000001 ebp: f7ae9b84 esp: f7ae9b68
ds: 007b es: 007b ss: 0068
Process kswapd0 (pid: 11, threadinfo=f7ae8000 task=f7aed2e0)
Stack: e1b91600 00000000 ce25bee0 c14e86a8 00000009 00001000 dcca3380 f7ae9ba0
c0156515 e1b91600 00001000 00000000 c8684ed0 cdeeb900 f7ae9bbc f8cbd1c5
e1b91600 00001000 00000000 cdeeb900 00000000 f7ae9bd8 c0156515 cdeeb900
Call Trace:
[<c0156515>] bio_endio+0x51/0x5c
[<f8cbd1c5>] clone_endio+0x9d/0xc4 [dm_mod]
[<c0156515>] bio_endio+0x51/0x5c
[<c030c9af>] __end_that_request_first+0x107/0x1d8
[<c030ca97>] end_that_request_first+0x17/0x1c
[<c0344725>] scsi_end_request+0x29/0xc0
[<c0344b3a>] scsi_io_completion+0x1fa/0x460
[<c038b9e7>] sd_rw_intr+0x207/0x214
[<c0340755>] scsi_finish_command+0xc1/0xcc
[<c034064d>] scsi_softirq+0xad/0xc4
[<c012394a>] do_softirq+0x6a/0xd0
[<c010cdd6>] do_IRQ+0x15a/0x174
[<c010b4dc>] common_interrupt+0x18/0x20
[<c0148416>] page_referenced+0x26/0xe0
[<c0140059>] shrink_list+0x11d/0x5e0
[<c011be16>] schedule+0x3f6/0x4e0
[<c010aab9>] need_resched+0x27/0x32
[<c01406d1>] shrink_cache+0x1b5/0x320
[<c0140ed4>] shrink_zone+0x7c/0x88
[<c01411a1>] balance_pgdat+0xe1/0x174
[<c0141349>] kswapd+0x115/0x11c
[<c0141234>] kswapd+0x0/0x11c
[<c011df20>] autoremove_wake_function+0x0/0x3c
[<c011df20>] autoremove_wake_function+0x0/0x3c
[<c0108d25>] kernel_thread_helper+0x5/0xc
Code: 0f 0b 08 05 d4 29 44 c0 8b 4d 08 89 fa 89 f3 0f b7 41 18 39
<0>Kernel panic: Fatal exception in interrupt
In interrupt handler - not syncing
<0>Rebooting in 60 seconds..
I am in the unfortunate position to run a production server with 2.5.72 since
the SuperMicro CSE-742S-500 has no working APIC support in the 2.4.x kernel
series. Currently I have 2 XEON CPUs installed.
2.5.66 died once a day with "kernel panic: Aiee, killing interrupt handler" in
fs/xfs/pagebuf/page_buf.c:1287. The reason is an "invalid operand:0000 #5" on
CPU:0 with "EIP:0060:[<c024f059>] Not tainted". In one case slapd from the
OpenLDAP package caused the crash.
Now I run 2.5.72 and got the message above you see first. Furthermore the Arkeia
backup hangs locally on the same volume every night.
I have an 39320 Dual U320 SCSI controller in the machine with a Overland
PowerLoader LTO-1 (17 slots) and a Infortrend IFT 6300-12 IDE-Raid with one 700G
XFS volume configured.
Please tell me what further tests I should conduct to help the analysis?
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