Re: v2.6.21.5-rt19 (sched_getaffinity?)

From: Fernando Lopez-Lezcano
Date: Tue Jul 17 2007 - 15:57:19 EST


On Tue, 2007-07-17 at 21:32 +0200, Ingo Molnar wrote:
> * Fernando Lopez-Lezcano <nando@xxxxxxxxxxxxxxxxxx> wrote:
>
> > I do get flash 9 (I know, not the best example) and tomboy to hang as
> > reported by one of my Planet CCRMA users - flash 9 tested working on
> > stock fedora 7 kernel - and both seem to hang in the same system call:
> >
> > sched_getaffinity(3528, 32, <unfinished ...>
> >
> > Full output of strace attached for both cases.
>
> hm, that's weird. Is it completely unkillable at that time? Could you do
> a few things: enable CONFIG_PROVE_LOCKING (lockdep), and also try to get
> a full task state dump via:
>
> echo t > /proc/sysrq-trigger

Trace attached... the process stays in D state no matter what.
-- Fernando

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