Re: Very bad interactivity with 2.6.0 and SCSI disks (aic7xxx)

From: William Lee Irwin III
Date: Sun Aug 17 2003 - 21:33:49 EST


Stefan Foerster <stefan@xxxxxxxxxxxxxxxxxx> wrote:
>> But as soon as I do a
>> while true; do dd if=/dev/zero of=test bs=1024 count=1048576 ; rm test
>> ; done
>> on my SCSI disk, the system becomes completely unusuable after a few
>> seconds.

On Sun, Aug 17, 2003 at 07:21:03PM -0700, Andrew Morton wrote:
> I've been running an aic7xx-based desktop on 2.5/2.6 for ages, no
> such problems.
> A kernel profile would be needed to diagnose this. You could use
> readprofile, but as it may be an interrupt problem, the NMI-based oprofile
> output would be better.

39160 here, also no such issue.


-- wli
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