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

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:



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