linux-kernel - Re: PROBLEM: I/O scheduler problem with an 8 SATA disks raid 5 under heavy load ?

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Message-ID: <20080108161853.6efee208@werewolf>
Date:	Tue, 8 Jan 2008 16:18:53 +0100
From:	"J.A. Magallón" <jamagallon@....com>
To:	"Linux-Kernel, " <linux-kernel@...r.kernel.org>
Subject: Re: PROBLEM: I/O scheduler problem with an 8 SATA disks raid 5
 under heavy load  ?

On Tue, 8 Jan 2008 15:52:35 +0100, Guillaume Laurès <guillaume-laures@...f.fr> wrote:

> > ata5.00: exception Emask 0x0 SAct 0x1f02 SErr 0x0 action 0x2 frozen
> > ata5.00: cmd 60/40:08:8f:eb:67/00:00:03:00:00/40 tag 1 cdb 0x0 data  
> > 32768 in
> >          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)

Perhaps it is a generic libata bug, I have similar problems without
any array.
See this message:

http://marc.info/?l=linux-kernel&m=119975354031937&w=2

It's an ICH5 controller, not nv. This was rc7.
I have now gone back to rc6 to see if problems persist.

--
J.A. Magallon <jamagallon()ono!com>     \               Software is like sex:
                                         \         It's better when it's free
Mandriva Linux release 2008.1 (Cooker) for i586
Linux 2.6.23-jam05 (gcc 4.2.2 20071128 (4.2.2-2mdv2008.1)) SMP PREEMPT
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