Messages in this thread | | | Date | Sat, 9 Feb 2008 05:19:55 -0800 (PST) | From | Doug Kehn <> | Subject | Re: Soft lockup 2.6.23.14-uc0 |
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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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