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

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Date:	Wed, 21 Nov 2007 22:45:22 +0100
From:	Laurent Riffard <laurent.riffard@...e.fr>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.24-rc3-mm1: I/O error, system hangs

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 ?

~~
laurent

(.config and dmesg before system hang are attached)


View attachment "dmesg-2.6.24-rc3-mm1" of type "text/plain" (23808 bytes)

View attachment ".config" of type "text/plain" (48667 bytes)