Messages in this thread | | | Date | Mon, 26 Jul 2004 09:55:05 -0700 | From | Stephen Hemminger <> | Subject | Re: ksoftirqd uses 99% CPU triggered by network traffic (maybe RLT-8139 related) |
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On Mon, 26 Jul 2004 18:15:34 +0300 (EEST) Pasi Sjoholm <ptsjohol@cc.jyu.fi> wrote:
> On Sun, 25 Jul 2004, Francois Romieu wrote: > > > Pasi Sjoholm <ptsjohol@cc.jyu.fi> : > > [...] > > > I haven't been able to reproduce this with normal www-browsing or > > > ssh-connections but it's always reproducible when my eth0 is under heavy > > > load. > > I guess it can be reproduced even if the binary (nvidia ?) module is never > > loaded after boot, right ? > > After 24 hours of hard working I can answer yes to this question. > Now I can reproduce this from 2 to 15 minutes with 2 cp-processes from > samba->workstation->nfs, some software building with make -j 3, playing > some mp3 via nfs to notice when kernel goes down.. =) and so on.. > > After that ksoftirqd takes almost all the cpu-time and the network is not > working at all.
Is network traffic still coming in? or perhaps there is a network packet that causes some soft irq to go into an infinite loop. The recent iptables bug with ip options would be an example. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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