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SubjectRe: Soft lockup 2.6.23.14-uc0
Hi Mikael/All,

--- Mikael Pettersson wrote:


> Anyway, I can think of two things:
>
> 1. There was some very recent patches by Peter
> Zijlstra
> addressing hrtimer breakage on arm and some other
> archs in 2.6.24-git. If uclinux has backported
> some
> of that stuff then it might explain this issue.
>
> 2. There is a new native Linux driver for ixp4xx
> ethernet. Patches for the 2.6.23.14 kernel can
> be found in the nslu2-linux group's subversion
> repository. (You'll need new firmware files
> though.)
> Replacing Intel's IXP400 drivers with this driver
> should at least tell you if the lockups are
> related to your use of the Intel drivers.
>

I'm working through Mikael's suggestions.

A new piece of information is that the soft lockups
only occur when the IXP420 is transmitting. I started
using unidirectional streams; I don't observe soft
lockups when receiving. I only observe them when
transmitting.

Thanks,
...doug



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