[Bug 65496] [HSW] resume from s4 sporadically causes call trace and system hang, with warm boot

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=65496

--- Comment #55 from Ben Widawsky <ben at bwidawsk.net> ---
(In reply to comment #54)
> (In reply to comment #53)
> > Could you clarify. Are you saying the behavior with this patch, and without
> > (on nightly) is identical?
> 
> Sorry, I haven't described clearly.
> 
> 
> with patch:
> ----------------
> After execute S4, I find the indicator turn to "00FF" and machine is not
> suspend,I can ssh on the machine,then about 30sec later, the indicator turn
> to "0004" and screen turn to black, machine will be unconnected. machine
> hangs there.
> 
> 
> without patch:
> ----------------
> Machine can resume, but there's call trace and hang. Just like comment 50
> described.

Does anything appear in dmesg during the 30 second period? Also, can you try to
get an exact time (instead of "about 30sec"), and see if it's repeatably the
same time every test? This may give some clues.

Thanks.

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