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Date:      Mon, 23 Sep 2013 00:43:23 +0200
From:      =?iso-8859-2?Q?Edward_Tomasz_Napiera=B3a?= <trasz@FreeBSD.org>
To:        lev@FreeBSD.org
Cc:        freebsd-fs <freebsd-fs@freebsd.org>, Kirk McKusick <mckusick@mckusick.com>
Subject:   Re: Strange UFS write problem & SU+J "unexpected inconsistences" on 9.1-STABLE r253105 after it on OTHER filesystems.
Message-ID:  <0AA0A9CE-C692-4183-94FA-BC43837ADAE3@FreeBSD.org>
In-Reply-To: <724152380.20130921144811@serebryakov.spb.ru>
References:  <724152380.20130921144811@serebryakov.spb.ru>

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Wiadomo=B6=E6 napisana przez Lev Serebryakov <lev@FreeBSD.org> w dniu 21 =
wrz 2013, o godz. 12:48:
> Hello, freebsd-fs.
>=20
>  My server paniced tonight with UFS problem:
>=20
> ufs/root[WRITE(offset=3D385499136, length=3D16384)]error =3D 22
> g_vfs_done():ufs/root[WRITE(offset=3D385564672, length=3D16384)]error =
=3D 22
> g_vfs_done():ufs/root[WRITE(offset=3D385712128, length=3D16384)]error =
=3D 22
> g_vfs_done():ufs/root[WRITE(offset=3D385826816, length=3D16384)]error =
=3D 22
> g_vfs_done():ufs/root[WRITE(offset=3D770703360, length=3D16384)]error =
=3D 22
> g_vfs_done():ufs/root[WRITE(offset=3D770719744, length=3D16384)]error =
=3D 22
> g_vfs_done():ufs/var[WRITE(offset=3D268539904, length=3D2048)]error =3D =
22
> /var: got error 22 while accessing filesystem
> panic: softdep_deallocate_dependencies: unrecovered I/O error
> cpuid =3D 0
> KDB: stack backtrace:
> #0 0xffffffff8047a836 at kdb_backtrace+0x66
> #1 0xffffffff8044382e at panic+0x1ce
> #2 0xffffffff8059c040 at clear_remove+0
> #3 0xffffffff804bf835 at brelse+0x75
> #4 0xffffffff804c2258 at bufdone+0x68
> #5 0xffffffff804bcb0e at biodone+0xae
> #6 0xffffffff803e289c at g_io_schedule_up+0xac
> #7 0xffffffff803e2ffc at g_up_procbody+0x5c
> #8 0xffffffff804144ef at fork_exit+0x11f
> #9 0xffffffff805f53de at fork_trampoline+0xe
>=20
>  and "fsck_ffs" refused to fix two OTHER (/usr and /tmp) SU+J-enabled =
FFSes with same messages:
>=20
> Journal file sequence mismatch XXX !=3D YYY
> UNEXPECTED SU+J INCONSISTENCY
> INTERNAL ERROR: GOT TO reply()
> UNIXPECTED SOFT UPDATE INCONSISTENCY; RUN fsck MANUALLY
>=20
> and exited with signal 11.
>=20
> So, here are two questions:
>=20
> (1) What does "error 22" mean? Disk doesn't show ANY errors in =
S.M.A.R.T.
> (and all internal tests are Ok). Also, here are NO ANY driver (AHCI) =
errors
> in post-mortem dump. It doesn't look like hardware problem.

According to "man errno", 22 is EINVAL.  Which is... weird, to say the =
least.
What's below the filesystem?  I mean, what's the GEOM tree?

> (2) How to avoid fsck refuses in such situations? Why OTHER (not ones =
with
> write errors) FSes get errors? It looks like one another problem with =
SU+J.

Try to make fsck _not_ use journal.  Simply respond "n" when it asks if =
you want
it to use journal.

> Please note, these FSes reside directly on SATA drive, without any =
software or
> hardware RAIDs.

No labels, for example?

[..]




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