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SubjectRe: [BUG] "sched: Remove rq->lock from the first half of ttwu()" locks up on ARM
On Thu, 2011-05-26 at 18:32 +0200, Peter Zijlstra wrote:
> On Thu, 2011-05-26 at 17:20 +0100, Marc Zyngier wrote:
> >
> > Doesn't look very good here. The serial console basically locks up as
> > soon as the system gets busy, even if the kernel compilation seem to
> > progress at a decent pace.
> OK, I'll leave the one that worked queued up for this release. If we can
> come up with a better alternative we can try for the next release, that
> should give us ample time to test things and get us a working kernel
> now ;-)

Agreed. The board has been compiling kernels for over 15 hours now, and
doesn't show any sign of deadlock. Yet ;-).

So until someone comes up with a much better approach, let's keep this
one. I'm of course happy to continue testing stuff though.


Reality is an implementation detail.

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