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

>>> On 23.07.12 at 22:53, "Christopher S. Aker" <caker@xxxxxxxxxxxx> wrote:
> On 7/20/12 3:59 PM, Keir Fraser wrote:
>> Then it is Xen doing something to kill the serial interrupt. ;-) I haven't
>> seen anything like this reported before. Not sure what to suggest really...
>> Gather debug output from interrupt-related debug keys (via the xl debug-keys
>> interface) I suppose. I think that would be 'i' and 'z' keys. That plus Xen
>> and dom0 boot logs... something might become apparent.
> We hit this again today, and I grabbed boot and debug-keys output:
> http://theshore.net/~caker/xen/BUGS/serial/log.txt 

One more thing - having seen various interesting (mis)behavior
(or part of the chip set) with the IOMMU turned on, could you
also check whether with it disabled you also get the problem?


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