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Date: Fri, 29 Feb 2008 03:29:02 -0800 From: Andrew Morton <akpm@...ux-foundation.org> To: Jiri Olsa <olsajiri@...il.com> Cc: linux-kernel@...r.kernel.org Subject: Re: [BUG] soft lockup detected with ipcs On Fri, 29 Feb 2008 12:01:27 +0100 Jiri Olsa <olsajiri@...il.com> wrote: > Andrew Morton wrote: > > On Fri, 29 Feb 2008 11:46:24 +0100 Jiri Olsa <olsajiri@...il.com> wrote: > > > >> when I run 'ipcs' my system freeze up immediatelly. > >> I was able to get kernel BUG message once, I think it is not > >> printed out all the time it freeze. > >> > >> I tried on 2.6.24, 2.6.20 and 2.6.18. > >> I attached screenshot from 2.6.18 freeze and config. > > > > how weird. Lots of people are surely running ipcs and not seeing this. > > > > Can you suggest what's different about your setup? > > no idea :) I noticed like 2 weeks ago... I probably changed some config, > but I dont remember what it was, I'll try to figure out. > > Anyway I can reproduce this immediatelly, so I can run any diag you'd need to see. > (reversed top-posting - please don't do that ;)) Strange. I guess as a first step it would be good if you can get a full backtrace - can you set up netconsole (Documentation/networking/netconsole.txt) and grab that? We have your config. Can you tell us how you're triggering it? Does a particular workload have to be run, or is it triggerable straight after bootup? Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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