View Incident:
http://co-op.engr.sgi.com/BugWorks/code/bwxquery.cgi?search=Search&wlong=1&view_type=Bug&wi=804398
Submitter : cattelan Submitter Domain : engr
Assigned Engineer : cattelan Assigned Domain : engr
Assigned Group : xfs-linux Category : software
Customer Reported : T Priority : 2
Project : xfs-linux Status : open
Description :
The problem appears to be a page that was orginaly delay alloc
(the underlying disk blocks cam back as zero) but has either
been reused or its state has been cleared.
I don't have all the kbd output... I;ll add to it as
I capture more traces.
[0]kdb> bt
EBP EIP Function(args)
0xc4c13e58 0xc880c914 [pagebuf]pagebuf_read_full_page+0x198 (0xc49eeb60,
0xc11939ac)
pagebuf .text 0xc8809060 0xc880c77c 0xc880ca90
0xc4c13e74 0xc886b06a [xfs]linvfs_read_full_page+0xb2 (0xc49eeb60, 0xc11939ac)
xfs .text 0xc8814060 0xc886afb8 0xc886b080
0xc4c13eac 0xc0126f80 do_generic_file_read+0x2bc (0xc49eeb60, 0xc49eeb80,
0xc4c13ee0, 0xc880c4a8)
kernel .text 0xc0100000 0xc0126cc4 0xc01271c8
0xc4c13f1c 0xc880c59b [pagebuf]pagebuf_generic_file_read+0xc3 (0xc49eeb60,
0xbfffecbc, 0x1000, 0xc49eeb80)
pagebuf .text 0xc8809060 0xc880c4d8 0xc880c5ec
0xc4c13f44 0xc886ba08 [xfs]xfs_rdwr+0x48 (0xc4587304, 0xc49eeb60, 0xbfffecbc,
0x1000, 0xc49eeb80)
xfs .text 0xc8814060 0xc886b9c0 0xc886ba34
0xc4c13f70 0xc886ba85 [xfs]xfs_read+0x51 (0xc4587304, 0xc49eeb60, 0xbfffecbc,
0x1000, 0xc49eeb80)
xfs .text 0xc8814060 0xc886ba34 0xc886ba90
0xc4c13f98 0xc8868962 [xfs]linvfs_read+0x62 (0xc49eeb60, 0xbfffecbc, 0x1000,
0xc49eeb80, 0xc4c12000)
xfs .text 0xc8814060 0xc8868900 0xc886896c
0xc4c13fbc 0xc01314a8 sys_read+0x94 (0x3, 0xbfffecbc, 0x1000, 0x1000,
0xbfffecbc)
kernel .text 0xc0100000 0xc0131414 0xc01314c0
0xc010912f system_call+0x33
kernel .text 0xc0100000 0xc01090fc 0xc0109134
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