Re: [Xen-devel] Xen4.2 S3 regression?

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 15.08.12 at 15:11, Ben Guthro <ben@xxxxxxxxxx> wrote:
> On Wed, Aug 15, 2012 at 8:58 AM, Jan Beulich <JBeulich@xxxxxxxx> wrote:
>>>>> On 15.08.12 at 14:32, Ben Guthro <ben@xxxxxxxxxx> wrote:
>>> This was encouraging, so I tried the same change against the tree
>>> tip...unfortunately that didn't go as well.
>>>
>>> tip + evtchn_move_pirqs() removal:
>>> did not resume from the first suspend.
>>
>> Any logs of this (i.e. indications of what's going wrong - still
>> the same AHCI not working, but else apparently fine)?
> 
> This is a bit strange, in that the observed behavior changes when I am
> logging to the serial connection.
> 
> When I am logging to serial, the failure is the same as before -
> The first suspend / resume works -
> The second fails with AHCI not working
> 
> However, when I am not logging to serial - the system goes down, but
> never comes back up. I cannot ssh in, and no graphics are displayed on
> the screen. My only recourse is to hard power cycle the machine.
> 
> This, of course makes collecting logs difficult.

Indeed. Did you try using the serial driver in polling mode
(without IRQ that is)?

Jan


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