Re: [Xen-devel] Xen 4 serial hangs during boot

["Christopher S. Aker" <caker@xxxxxxxxxxxx>]

On 7/20/12 3:31 PM, Keir Fraser wrote:
> Somehow dom0 disabled the serial-line interrupt during boot. Possibly it
> appeared as a PnP device in some BIOS table and dom0 decided to disable it
> because it doesn't think it is being used. Xen would usually stop this
> happening via programming of the IO-APIC/XT-PIC but perhaps there is some
> other method of disabling it on this mainboard, which Xen doesn't catch.
Hmm -- except dom0 hasn't even booted yet at the time the serial stops 
working.  Xen is 30-60 seconds away from booting dom0 given the RAM 
scrub still has to happen.
-Chris

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel