Re: deadlocks while switching VTs

[Jean-Yves Migeon <jeanyves.migeon%free.fr@localhost>]

On 02/26/10 00:11, Hubert Feyrer wrote:
> Am 25.02.2010 um Do, 25. 02 2010, 22:49 schrieb Zafer Aydogan:
> > I'm experiencing some weird deadlocks while switching VTs
> > from or to X. It does not happen while switching between wscons
> > terminals.
> > When the system deadlocks, all cpu's are used 100% and nothing works
> > anymore.
> > I'm using modular-xorg from pkgsrc on 5.0.2. This happens on i386 and
> > amd64.
> >
> > Any ideas how to workaround this ?
>
> No workaround, but I think the generic way to debug this is:
> try to boot with a serial console, and if things hang break into DDB,
> then see what the backtrace is.
> And post it here.

Add ps/l output (from within ddb too), to get info about the wait channels.

Cheers,

--
Jean-Yves Migeon
jeanyves.migeon%free.fr@localhost