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SubjectRe: XFS internal error
Hello Dave,

* David Chinner <dgc@sgi.com> [20080310 23:30]:
> On Mon, Mar 10, 2008 at 01:22:16PM +0100, Andreas Kotes wrote:
> > * David Chinner <dgc@sgi.com> [20080310 13:18]:
> > > Yes, but those previous corruptions get left on disk as a landmine
> > > for you to trip over some time later, even on a kernel that has the
> > > bug fixed.
> > >
> > > I suggest that you run xfs_check on the filesystem and if that
> > > shows up errors, run xfs_repair onteh filesystem to correct them.
> >
> > I seem to be having similiar problems, and xfs_repair is not helping :(
>
> xfs_repair is ensuring that the problem is not being caused by on-disk
> corruption. In this case, it does not appear to be caused by on-disk
> corruption, so xfs_repair won't help.

ok, too bad - btw, is it a problem that I'm doing the xfs_repair on a
mounted filesystem with xfs_repair -f -L after a remount rw?

> > I always run into:
> >
> > [ 137.099267] Filesystem "sda2": XFS internal error xfs_trans_cancel at line 1132 of file fs/xfs/xfs_trans.c. Caller 0xffffffff80372156
> > [ 137.106267]
> > [ 137.106268] Call Trace:
> > [ 137.113129] [<ffffffff803692f0>] xfs_trans_cancel+0x100/0x130
> > [ 137.116524] [<ffffffff80372156>] xfs_create+0x256/0x6e0
> > [ 137.119904] [<ffffffff80341e09>] xfs_dir2_isleaf+0x19/0x50
> > [ 137.123269] [<ffffffff8037e145>] xfs_vn_mknod+0x195/0x250
> > [ 137.126607] [<ffffffff8028f32c>] vfs_create+0xac/0xf0
> > [ 137.129920] [<ffffffff80292b3c>] open_namei+0x5dc/0x700
> > [ 137.133227] [<ffffffff8022a443>] __wake_up+0x43/0x70
> > [ 137.136477] [<ffffffff802851bc>] do_filp_open+0x1c/0x50
> > [ 137.139693] [<ffffffff8028524a>] do_sys_open+0x5a/0x100
> > [ 137.142838] [<ffffffff80220a83>] sysenter_do_call+0x1b/0x67
> > [ 137.145964]
> > [ 137.149014] xfs_force_shutdown(sda2,0x8) called from line 1133 of file fs/xfs/xfs_trans.c. Return address = 0xffffffff8036930e
> > [ 137.163485] Filesystem "sda2": Corruption of in-memory data detected. Shutting down filesystem: sda2
> >
> > directly after booting.
>
> Interesting. I think I just found a cause of this shutdown under
> certain circumstances:
>
> http://marc.info/?l=linux-xfs&m=120518791828200&w=2
>
> To confirm it might be the same issue, can you dump the superblock of this
> filesystem for me? i.e.:
>
> # xfs_db -r -c 'sb 0' -c p /dev/sda2

certainly:

magicnum = 0x58465342
blocksize = 4096
dblocks = 35613152
rblocks = 0
rextents = 0
uuid = 62dae5fa-4085-4edc-ad76-5652d9fb00ae
logstart = 33554436
rootino = 128
rbmino = 129
rsumino = 130
rextsize = 1
agblocks = 2225822
agcount = 16
rbmblocks = 0
logblocks = 17389
versionnum = 0x3084
sectsize = 512
inodesize = 256
inopblock = 16
fname = "s2g-serv\000\000\000\000"
blocklog = 12
sectlog = 9
inodelog = 8
inopblog = 4
agblklog = 22
rextslog = 0
inprogress = 0
imax_pct = 25
icount = 15232
ifree = 2379
fdblocks = 5942436
frextents = 0
uquotino = 0
gquotino = 0
qflags = 0
flags = 0
shared_vn = 0
inoalignmt = 2
unit = 0
width = 0
dirblklog = 0
logsectlog = 0
logsectsize = 0
logsunit = 0
features2 = 0

> Also, what the mount options you are using are?

rw,noatime ...

if you want more info, just let me know :)

Kind regards from Berlin,

Andreas

--
flatline IT services - Andreas Kotes - Tailored solutions for your IT needs


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