http://oss.sgi.com/bugzilla/show_bug.cgi?id=317
Summary: Kernel error messages using XFS
Product: Linux XFS
Version: 1.3.x
Platform: IA32
OS/Version: Linux
Status: NEW
Severity: major
Priority: Medium
Component: XFS kernel code
AssignedTo: xfs-master@xxxxxxxxxxx
ReportedBy: greg@xxxxxxxxxxxxx
I am using the version of XFS as shipped in the stock 2.4.25 kernel
with RedHat 9.
I created a fresh 1.9TB filesystem with:
% mkfs -t xfs -f -i size=512 /dev/md0
meta-data=/exports isize=512 agcount=32, agsize=15319808 blks
= sectsz=512
data = bsize=4096 blocks=490231296, imaxpct=25
= sunit=128 swidth=512 blks, unwritten=1
naming =version 2 bsize=4096
log =internal bsize=4096 blocks=32768, version=1
= sectsz=512 sunit=0 blks
realtime =none extsz=2097152 blocks=0, rtextents=0
I then proceeded to copy 170 GB of data to the filesystem using rsync.
After approximately 160 GB had finished copying, performance slowed
greatly and these kernel messages began (there were a lot of them.)
Mar 16 23:52:36 violet kernel: Filesystem "md(9,0)": XFS internal error
xfs_btree_check_sblock at line 342 of file xfs_btree.c. Caller 0xf8995cfc
Mar 16 23:52:36 violet kernel: cf78785c f89b02a5 f8a0ceab 00000001 f712a400
f8a0ce6e 00000156 f8995cfc
Mar 16 23:52:36 violet kernel: 00000000 c8e5c000 d9be6f70 00000000
f8995cfc d9be6f70 c8e5c000 00000000
Mar 16 23:52:36 violet kernel: e4448c80 00000000 cf7878d0 00000002
c0221929>] [<f89d3ae1>] [<f89f5742>] [<f89f6637>]
Mar 16 23:52:36 violet kernel: [<c01ab469>] [<c01ab7bc>] [<f89f6c94>]
[<c0149659>] [<c01496c5>] [<c01497ea>]
Mar 16 23:52:36 violet kernel: [<c014f633>] [<c01501c9>] [<c0130f8b>]
[<c0149168>] [<c014729e>] [<c0123d4c>]
Mar 16 23:52:36 violet kernel: [<c0124630>] [<c0124843>] [<c01092df>]
Mar 16 23:52:36 violet kernel: Filesystem "md(9,0)": XFS internal error
xfs_btree_check_sblock at line 342 of file xfs_btree.c. Caller 0xf8995cfc
Mar 16 23:52:36 violet kernel: cf78785c f89b02a5 f8a0ceab 00000001 f712a400
f8a0ce6e 00000156 f8995cfc
Mar 16 23:52:36 violet kernel: 00000000 c8e5c000 d9be6f70 00000000
f8995cfc d9be6f70 c8e5c000 00000000
Mar 16 23:52:36 violet kernel: e4448c80 00000000 cf7878d0 00000002
f8a01ff8 f2c77010 00000000 00000002
Mar 16 23:52:36 violet kernel: Call Trace: [<f89b02a5>] [<f8a0ceab>]
[<f8a0ce6e>] [<f8995cfc>] [<f8995cfc>]
Mar 16 23:52:36 violet kernel: [<f8a01ff8>] [<f8991922>] [<f89e8975>]
[<f89918a1>] [<f8994148>] [<f89a39e7>]
Mar 16 23:52:36 violet kernel: [<f89aebdf>] [<f89a834f>] [<f89aebdf>]
[<f89a5d38>] [<c0225cc7>] [<f89a60cf>]
Mar 16 23:52:36 violet kernel: [<f89d76c2>] [<f89d47d1>] [<c0221929>]
[<f89d3ae1>] [<f89f5742>] [<f89f6637>]
Mar 16 23:52:36 violet kernel: [<c01ab469>] [<c01ab7bc>] [<f89f6c94>]
[<c0149659>] [<c01496c5>] [<c01497ea>]
Mar 16 23:52:36 violet kernel: [<c014f633>] [<c01501c9>] [<c0130f8b>]
[<c0149168>] [<c014729e>] [<c0123d4c>]
Mar 16 23:52:36 violet kernel: [<c0124630>] [<c0124843>] [<c01092df>]
Mar 16 23:52:36 violet kernel: Filesystem "md(9,0)": XFS internal error
xfs_btree_check_sblock at line 342 of file xfs_btree.c. Caller 0xf8995cfc
Mar 16 23:52:36 violet kernel: cf78785c f89b02a5 f8a0ceab 00000001 f712a400
f8a0ce6e 00000156 f8995cfc
Mar 16 23:52:36 violet kernel: 00000000 c8e5c000 d9be6f70 00000000
f8995cfc d9be6f70 c8e5c000 00000000
Mar 16 23:52:36 violet kernel: e4448c80 00000000 cf7878d0 00000002
f8a01ff8 f2c77010 00000000 00000002
Mar 16 23:52:36 violet kernel: Call Trace: [<f89b02a5>] [<f8a0ceab>]
[<f8a0ce6e>] [<f8995cfc>] [<f8995cfc>]
Mar 16 23:52:36 violet kernel: [<f8a01ff8>] [<f8991922>] [<f89e8975>]
[<f89918a1>] [<f8994148>] [<f89a39e7>]
Mar 16 23:52:36 violet kernel: [<f89aebdf>] [<f89a834f>] [<f89aebdf>]
[<f89a5d38>] [<c0225cc7>] [<f89a60cf>]
Mar 16 23:52:36 violet kernel: [<f89d76c2>] [<f89d47d1>] [<c0221929>]
[<f89d3ae1>] [<f89f5742>] [<f89f6637>]
Mar 16 23:52:36 violet kernel: [<c01ab469>] [<c01ab7bc>] [<f89f6c94>]
[<c0149659>] [<c01496c5>] [<c01497ea>]
Mar 16 23:52:36 violet kernel: [<c014f633>] [<c01501c9>] [<c0130f8b>]
[<c0149168>] [<c014729e>] [<c0123d4c>]
Mar 16 23:52:36 violet kernel: [<c0124630>] [<c0124843>] [<c01092df>]
etc.
A xfs_check showed the same error on many tens-of-thousands of inodes
(very sorry, forgot to save it). I ran xfs_repair, and all seems to be
working again.
This system did not show any problems like this through a couple of months
of rigorous stress testing.
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