linux-kernel - Re: MSI K9N Neo: crash under heavy IDE read

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Date:	Wed, 13 Sep 2006 21:51:48 +0200
From:	Krzysztof Halasa <khc@...waw.pl>
To:	Denis Vlasenko <vda.linux@...glemail.com>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, Jeff Garzik <jeff@...zik.org>,
	linux-kernel@...r.kernel.org, Dmytro_Puhach@...ibm.com
Subject: Re: MSI K9N Neo: crash under heavy IDE read

Hello,

Denis Vlasenko <vda.linux@...glemail.com> writes:

> I bought new Athlon46 mobo with AM2 socket and recently
> I noticed that copying large amounts of data reliably
> crashes 2.6.17.11 64-bit on it.
>
> memtest runs ok on this machine overnight.
> Machine is not overclocked.
>
> Copying movies from SATA drive to PATA drive oopses
> after few gigabytes transferred. Creating iso image
> with mkisofs (done entirely on PATA drive, no SATA attached)
> does the same.

I don't know about K9N Neo, but I have MSI K9N Ultra-2F (the same
MCP55) and have no such issues. But:
- I'm not using drivers/ide anymore (I was using 2.6.17.11 with
  Alan's libata-PATA patch and now I have ca. 2.6.18-rc6 merged
  with Jeff's pata-drivers git branch)
- I have only PATA CD-ROM (and SATA disk, Seagate ST3250823AS).
- just 1 GB of RAM.

Copied CD/DVD-ROM discs to HDD few times, no problems.

$ dd bs=$((1024*1024)) count=$((32*1024)) if=/dev/zero of=temp.tmp
32768+0 records in
32768+0 records out
34359738368 bytes (34 GB) copied, 670.17 seconds, 51.3 MB/s
$ time cat temp.tmp > /dev/null 

real    10m0.175s
user    0m3.210s
sys     1m11.240s
-- 
Krzysztof Halasa
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