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XFS corruption

To: linux-xfs@xxxxxxxxxxx
Subject: XFS corruption
From: Artem Veremey <tima@xxxxxxxxxxxxxx>
Date: Mon, 29 Oct 2001 13:30:12 -0800
Organization: Home
Reply-to: tima@xxxxxxxxxxxxxx
Sender: owner-linux-xfs@xxxxxxxxxxx
User-agent: Mutt/1.2.5i
Hi all,
I have a case of XFS corruption to report.

After poweroff, /dev/hda8 (/home) did not mount - "unknown fs...".
xfs_repair produces the following results:

xfs_repair /dev/hda8
Phase 1 - find and verify superblock...
superblock read failed, offset 370130944, size 2048, ag 4294967295, rval 4

fatal error -- Input/output error

Kernel logged a few dozen errors like this during xfs_repair (that happens with 
DMA disabled):
Oct 29 09:56:21 bud kernel: hda: dma_intr: status=0x51 { DriveReady 
SeekComplete Err
or }
Oct 29 09:56:21 bud kernel: hda: dma_intr: error=0x40 { UncorrectableError }, 
LBAsec
t=19197740, sector=722913
Oct 29 09:56:21 bud kernel: end_request: I/O error, dev 03:08 (hda), sector 
722913

xfs_check produced many errors too of the following two types:
block 7/305 expected type unknown got free2
and
block 6/22564 expected type free1 got unknown

Disk (IBM 60GXP 40Gb) seems to be OK (only one partition failed and filling new 
fs on /dev/hda8 with dd doesn't produce errors)

Machine runs a kernel build from cvs update on Oct 25.

Linux version 2.4.13-xfs-fast (root@bud) (gcc version egcs-2.91.66 
19990314/Linux (egcs-1.1.2 release)) #1 Thu Oct 25 22:23:37 PDT 2001
(-fast is just a configuration for specific hardware on that box)

/sbin/xfs_repair -V
xfs_repair version 1.3.9

MB chipset - ALi Magic1.

The question is who's fault is that? :)


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