linux-kernel - Re: 2.6.24-rc3-mm1: I/O error, system hangs

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Message-Id: <20071121144116.c932727b.akpm@linux-foundation.org>
Date:	Wed, 21 Nov 2007 14:41:16 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Laurent Riffard <laurent.riffard@...e.fr>
Cc:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: 2.6.24-rc3-mm1: I/O error, system hangs

On Wed, 21 Nov 2007 22:45:22 +0100
Laurent Riffard <laurent.riffard@...e.fr> wrote:

> Le 21.11.2007 05:45, Andrew Morton a écrit :
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.24-rc3/2.6.24-rc3-mm1/
> 
> Hello, 
> 
> My system hangs shortly after I logged in Gnome desktop. SysRq-W shows
> that a bunch of task are blocked in "D" state, they seem to wait for
> some I/O completion. I can try to hand-copy some data if requested.
> 
> I found these messages in dmesg:
> 
> ~$ grep -C2 end_request dmesg-2.6.24-rc3-mm1 
> EXT3-fs: mounted filesystem with ordered data mode.
> sd 0:0:0:0: [sda] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK,SUGGEST_OK
> end_request: I/O error, dev sda, sector 16460
> ReiserFS: sda7: found reiserfs format "3.6" with standard journal
> ReiserFS: sda7: using ordered data mode
> --
> ReiserFS: sda7: Using r5 hash to sort names
> sd 0:0:1:0: [sdb] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK,SUGGEST_OK
> end_request: I/O error, dev sdb, sector 19632
> sd 0:0:1:0: [sdb] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK,SUGGEST_OK
> end_request: I/O error, dev sdb, sector 40037363
> Adding 1048568k swap on /dev/mapper/vglinux1-lvswap.  Priority:-1 extents:1 across:1048568k
> lp0: using parport0 (interrupt-driven).
> 
> These errors occur *only* with 2.6.24-rc3-mm1, they are 100% reproducible.
> 2.6.24-rc3 and 2.6.24-rc2-mm1 are fine.
> 
> Maybe something is broken in pata_via driver ?
> 

Could be - libata-reimplement-ata_acpi_cbl_80wire-using-ata_acpi_gtm_xfermask.patch
and pata_amd-pata_via-de-couple-programming-of-pio-mwdma-and-udma-timings.patch
touch pata_via.c.
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