Re: 2.6.8.1-mm2

[Andrew Morton]

Nathan Lynch <nathanl@xxxxxxxxxxxxxx> wrote:
>
> > +dont-sleep-after-were-out-of-task-list.patch
> > 
> >  CPU hotplug race fix
> 
> I don't mean to be a pain, but this patch does not fix the bug I
> reported.

OK.

>  It is still occurring on i386 and ppc64 (and proc_pid_flush
> now generates lots of might_sleep warnings).
> ...
> Hopefully, I should have time to perform a bisection search this
> weekend.

The might_sleep() warnings are due to our adding a might_sleep() check to a
place where we've _always_ been illegally sleeping.  So a bisection search
won't tell you anything on that front.

The "kernel BUG in migration_call at kernel/sched.c:4044!" is due to one of
the scheduler patches.  I thought Ingo and Rusty had a handle on that one.

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