From: "Bruno A. Crespo" <bruno@conectatv.com>
To: linux-smp@vger.kernel.org
Subject: RE: Dual Athlon XP hangs using tar
Date: Thu, 12 Sep 2002 11:36:05 +0200 [thread overview]
Message-ID: <alpn5q$5ad$1@main.gmane.org> (raw)
In-Reply-To: OAEPKDBINGEGKPCJJAJDAECLHCAA.chris.newland@emorphia.com
Chris Newland wrote:
> Hi Bruno,
>
> I tried using dd to copy 100MB from /dev/sda3 to /dev/null using my
> Promise FastTrak TX2000 and my system hung when I was using DMA and also
> hung when I booted SuSE 8.0 (2.4.18) adding "nodma" to the kernel
> parameters (Is this the correct way to disable DMA in linux?).
>
I'm not sure in SuSE, in fact the last time I take a look at the code, the
nodma parameter is not used in the standard kernel.
For disabling DMA I use:
hdparm -d 0 /dev/hda
> Tonight I'm going to try doing heavy I/O without my promise controller to
> see if there is a problem with the MSI K7D master and linux DMA copying.
>
> Regards,
>
> Chris
>
>> -----Original Message-----
>> From: linux-smp-owner@vger.kernel.org
>> [mailto:linux-smp-owner@vger.kernel.org]On Behalf Of Bruno A. Crespo
>> Sent: 11 September 2002 15:37
>> To: linux-smp@vger.kernel.org
>> Subject: Re: Dual Athlon XP hangs using tar
>>
>>
>>
>>
>> >On Thu, 2002-09-05 at 10:27, Chris Newland wrote:
>> >> Promise RAID drivers for SuSE 8.0
>>
>> >Take it up with Promise if you are using their binary raid modules
>>
>> I have exactly the same problem with the same motherboard, but:
>>
>> - I have only one processor (Athlon 1900 XP)
>> - I don't have a Promise controller, I use the motherboard
>> IDE controller
>>
>> With Redhat 7.3 stock kernel if I try:
>>
>> dd if=/dev/hda5 of=/dev/null bs=1048576
>>
>> the system hang. If I configure the disk to don't use DMA the
>> system runs
>> fine.
>>
>> Bruno Crespo
>>
>>
>> -
>> To unsubscribe from this list: send the line "unsubscribe linux-smp" in
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>
> -
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next prev parent reply other threads:[~2002-09-12 9:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-11 14:37 Dual Athlon XP hangs using tar Bruno A. Crespo
2002-09-12 9:16 ` Chris Newland
2002-09-12 9:36 ` Bruno A. Crespo [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-09-05 9:27 Chris Newland
2002-09-05 11:24 ` Alan Cox
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