http://oss.sgi.com/bugzilla/show_bug.cgi?id=277
Summary: xfs_force_shutdown after kernel bug
Product: Linux XFS
Version: 1.2.x
Platform: IA32
OS/Version: Linux
Status: NEW
Severity: critical
Priority: Medium
Component: XFS kernel code
AssignedTo: xfs-master@xxxxxxxxxxx
ReportedBy: til@xxxxxxxxxxxxx
I have NFS serving XFS on top of softraid md1. Linux Distribution is Redhat
8.0,
kernel is version 2.4.19, XFS is version 1.2.
After running this combination for about half a year without problems, I
couldn't access the directory any more. 'ls' tells me it's empty, 'mount' tells
me it's still mounted. Can't umount (busy), and can't shut down NFS.
Output of 'dmesg' follows:
xfs_iget_core: ambiguous vns: vp/0xd6ffe080, invp/0xd6ffe480
kernel BUG at debug.c:96!
invalid operand: 0000
CPU: 0
EIP: 0010:[<c0215b73>] Not tainted
EFLAGS: 00010246
eax: 00000040 ebx: 00000000 ecx: dec22000 edx: 00000000
esi: 33fe2c1f edi: 00000000 ebp: db37cdf0 esp: dec23c70
ds: 0018 es: 0018 ss: 0018
Process nfsd (pid: 624, stackpage=dec23000)
Stack: c030ba49 c030ba21 c03bbcc0 d6ffe49c c01e54ae 00000000 c0315a80 d6ffe080
d6ffe480 dff93688 df879c00 33fe2c1f c014d6cb df879c00 df592cf8 00000000
00000000 db37cdf0 d6ffe49c d6ffe480 33fe2c1f 00000000 c01e56f7 d6ffe480
Call Trace: [<c01e54ae>] [<c014d6cb>] [<c01e56f7>] [<c0200909>] [<c021535e>]
[<c018da86>] [<c018de46>] [<c018e262>] [<c02cf1b1>] [<c018f930>] [<c018feff>]
[<c02d61b2>] [<c029b875>] [<c01170d3>] [<c0195eba>] [<c018b92e>] [<c02efcdf>]
[<c018b71b>] [<c010733e>] [<c018b560>]
Code: 0f 0b 60 00 41 ba 30 c0 8b 5c 24 0c 83 c4 10 c3 90 8d b6 00
<5>xfs_force_shutdown(md(9,7),0x8) called from line 1042 of file xfs_trans.c.
Return address = 0xc01fc208
Corruption of in-memory data detected. Shutting down filesystem: md(9,7)
Please umount the filesystem, and rectify the problem(s)
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