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SubjectRe: clocksource mutex deadlock, cat current_clocksource (2.6.33-rc6/7)
On Mon, 8 Feb 2010, Andreas Mohr wrote:

> On Mon, Feb 08, 2010 at 09:51:05PM +0100, Andreas Mohr wrote:
> > Looks like it:
> > - another bootup also had lockup message
> > - all /var/log/dmesg* have lockup message, oldest is:
> > 2010-02-07 20:00 dmesg.4.gz
> >
> > Linux version 2.6.33-rc6 (root@note) (gcc version 4.3.4 (Debian 4.3.4-6)) #3 Sun Jan 31 23:47:51 CET 2010
>
> -rc4 and 2.6.32.3 don't show lockup message, instant bootup without any
> visible delay.

Just verified, that there is no timekeeping related patch after
2.6.33-rc4 except the kgdb lockup prevention patch, which is
not touching any code which is relevant at boot time.

So bisecting between rc4 and now is probably the best thing to do.

Thanks,

tglx







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