Re: [Xen-devel] serial console stopped working

On Thu, Feb 17, 2005 at 05:38:34AM +0000, Keir Fraser wrote:
> > On Mon, 14 Feb 2005, Rik van Riel wrote:
> > 
> > > I haven't yet run into the magical way to make it work ...
> > 
> > I've rebooted my (SMP, dual PIII-800) test system continuously
> > for most of today now, and I still can't get the serial port to
> > work any more...
> > 
> > > Note that I _can_ type letters into the serial console during
> > > the earlier phases of the bootup process, eg. before udev is
> > > started.
> > 
> > This sometimes doesn't work, either.
> 
> I've just checked in a potential fix. The symptoms sound a lot like
> what happens when the per-cpu IDTs get out of sync, so the patch
> ensures that updates to the cpu0 IDT also get written to any other
> IDTs that have been allocated.
> 

It didn't help here I'm afraid.

-- 

patrick


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