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SubjectRe: v2.6.21.5-rt19 (sched_getaffinity?)

* Fernando Lopez-Lezcano <nando@ccrma.Stanford.EDU> 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

thanks,

Ingo
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