http://bugzilla.kernel.org/show_bug.cgi?id=10981
------- Comment #2 from edwintorok@xxxxxxxxx 2008-06-26 00:18 -------
(In reply to comment #1)
> Mount has encountered a corrupt AGF. You will have to destroy the log and run
> repair so this filesystem can be mounted again. Fortunately the panic occured
> after the log was replayed so the damage should be minimised. But before you
> do
> that could you do the following?
>
I had 15 agf, here is the output:
# xfs_db /dev/sda6
xfs_db: cannot init perag data (117)
xfs_db> agf 0
xfs_db> print
magicnum = 0x58414746
versionnum = 1
seqno = 0
length = 152617
bnoroot = 21179
cntroot = 2977
bnolevel = 2
cntlevel = 2
flfirst = 13
fllast = 18
flcount = 6
freeblks = 1809
longest = 10
btreeblks = 4
xfs_db> agf 1
xfs_db> print
magicnum = 0x58414746
versionnum = 1
seqno = 1
length = 152617
bnoroot = 170
cntroot = 648
bnolevel = 1
cntlevel = 1
flfirst = 126
fllast = 1
flcount = 4
freeblks = 1360
longest = 10
btreeblks = 0
xfs_db> agf 2
xfs_db> print
magicnum = 0x58414746
versionnum = 1
seqno = 2
length = 152617
bnoroot = 4350
cntroot = 4490
bnolevel = 1
cntlevel = 1
flfirst = 108
fllast = 111
flcount = 4
freeblks = 1410
longest = 10
btreeblks = 0
xfs_db> agf 3
xfs_db> print
magicnum = 0x58414746
versionnum = 1
seqno = 3
length = 152617
bnoroot = 915
cntroot = 1677
bnolevel = 1
cntlevel = 1
flfirst = 118
fllast = 121
flcount = 4
freeblks = 1640
longest = 10
btreeblks = 0
xfs_db> agf 4
xfs_db> print
magicnum = 0x58414746
versionnum = 1
seqno = 4
length = 152617
bnoroot = 2582
cntroot = 3055
bnolevel = 2
cntlevel = 2
flfirst = 124
fllast = 1
flcount = 6
freeblks = 4294967292
longest = 11
btreeblks = 4
xfs_db> agf 5
xfs_db> print
magicnum = 0x58414746
versionnum = 1
seqno = 5
length = 152617
bnoroot = 169
cntroot = 180
bnolevel = 1
cntlevel = 1
flfirst = 85
fllast = 88
flcount = 4
freeblks = 860
longest = 10
btreeblks = 0
xfs_db> agf 6
xfs_db> print
magicnum = 0x58414746
versionnum = 1
seqno = 6
length = 152617
bnoroot = 315
cntroot = 1213
bnolevel = 1
cntlevel = 1
flfirst = 60
fllast = 63
flcount = 4
freeblks = 998
longest = 11
btreeblks = 0
xfs_db> agf 7
xfs_db> print
magicnum = 0x58414746
versionnum = 1
seqno = 7
length = 152617
bnoroot = 699
cntroot = 753
bnolevel = 1
cntlevel = 1
flfirst = 66
fllast = 69
flcount = 4
freeblks = 849
longest = 10
btreeblks = 0
xfs_db> agf 8
pxfs_db> rint
magicnum = 0x58414746
versionnum = 1
seqno = 8
length = 152617
bnoroot = 12543
cntroot = 12545
bnolevel = 2
cntlevel = 2
flfirst = 34
fllast = 39
flcount = 6
freeblks = 1696
longest = 12
btreeblks = 4
xfs_db> agf 9
pxfs_db> rint
magicnum = 0x58414746
versionnum = 1
seqno = 9
length = 152617
bnoroot = 18838
cntroot = 14324
bnolevel = 2
cntlevel = 2
flfirst = 124
fllast = 1
flcount = 6
freeblks = 4048
longest = 12
btreeblks = 4
xfs_db> agf 10
xfs_db> print
magicnum = 0x58414746
versionnum = 1
seqno = 10
length = 152617
bnoroot = 2102
cntroot = 3239
bnolevel = 1
cntlevel = 1
flfirst = 7
fllast = 10
flcount = 4
freeblks = 1384
longest = 10
btreeblks = 0
xfs_db> agf 11
xfs_db> print
magicnum = 0x58414746
versionnum = 1
seqno = 11
length = 152617
bnoroot = 465
cntroot = 1211
bnolevel = 1
cntlevel = 1
flfirst = 112
fllast = 115
flcount = 4
freeblks = 433
longest = 10
btreeblks = 0
xfs_db> agf 12
prxfs_db> int
magicnum = 0x58414746
versionnum = 1
seqno = 12
length = 152617
bnoroot = 139
cntroot = 265
bnolevel = 2
cntlevel = 2
flfirst = 55
fllast = 60
flcount = 6
freeblks = 3203
longest = 10
btreeblks = 5
xfs_db> agf 13
xfs_db> print
magicnum = 0x58414746
versionnum = 1
seqno = 13
length = 152617
bnoroot = 29595
cntroot = 218
bnolevel = 2
cntlevel = 2
flfirst = 59
fllast = 64
flcount = 6
freeblks = 2018
longest = 10
btreeblks = 4
xfs_db> agf 14
xfs_db> print
magicnum = 0x58414746
versionnum = 1
seqno = 14
length = 152617
bnoroot = 2813
cntroot = 4492
bnolevel = 1
cntlevel = 1
flfirst = 89
fllast = 92
flcount = 4
freeblks = 499
longest = 10
btreeblks = 0
xfs_db> agf 15
xfs_db> print
magicnum = 0x58414746
versionnum = 1
seqno = 15
length = 152617
bnoroot = 76
cntroot = 145
bnolevel = 2
cntlevel = 2
flfirst = 40
fllast = 45
flcount = 6
freeblks = 2482
longest = 10
btreeblks = 4
xfs_db> agf 16
bad allocation group number 16
Here is the metadump of the filesystem (19M bzip2 compressed):
http://www.hotlinkfiles.com/files/1499548_on9su/metadump_1.bz2
I have run xfs_repair -L /dev/sda6, and mounted the filesystem. Here is
xfs_info:
meta-data=/dev/sda6 isize=256 agcount=16, agsize=152617 blks
= sectsz=512 attr=2
data = bsize=4096 blocks=2441872, imaxpct=25
= sunit=0 swidth=0 blks, unwritten=1
naming =version 2 bsize=4096
log =internal bsize=4096 blocks=2560, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=65536 blocks=0, rtextents=0
Is there any other information you'd need?
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