Re: ULE status, invalid load, buildkernel times.

From: Attilio Rao <attilio_at_freebsd.org>
Date: Tue, 24 Jul 2007 01:23:29 +0200
2007/7/24, Attilio Rao <attilio_at_freebsd.org>:
> Jeff Roberson wrote:
> >
> > I suspect that this is unrelated to my patch but I can't say for
> > certain. There have been some kse locking problems that Attilio has a
> > patch for.  I believe it went in today.  Hopefully he will comment.
>
> This is exactly the same bug pav_at_ experienced on amd64 machines some
> weeks ago.
> Basically, there is a race with ku_owner accesses which make it
> unconsistent in SMP / PREEMPTION systems.
> I committed a fix for that, but since I broke buildkernel too with that
> commit I would suggest to wait until the fix for a correct kernel
> building won't be committed (it should be rather soon though) and than
> to CVSup again sources.

Ok, this is the good moment for a CVSup.

Thanks,
Attilio


-- 
Peace can only be achieved by understanding - A. Einstein
Received on Mon Jul 23 2007 - 21:23:31 UTC

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