* High latency in wine after suspend
@ 2011-03-23 12:37 Ortwin Glück
2011-04-15 5:40 ` Pavel Machek
0 siblings, 1 reply; 3+ messages in thread
From: Ortwin Glück @ 2011-03-23 12:37 UTC (permalink / raw)
To: linux-kernel
Hi,
After a suspend/resume cycle I see intermittent high latency in
poll_schedule_timeout (latencytop). This leads to the mouse cursor
freezing for several seconds sometimes when switching to/from a window
of a wine process. The problem never occurs before suspend, but always
occurs after. Any ideas what could cause such behaviour? Kernel is
vanilla 2.6.38 x86_64 running on a recent HP laptop with Intel chipset.
Ortwin
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: High latency in wine after suspend
2011-03-23 12:37 High latency in wine after suspend Ortwin Glück
@ 2011-04-15 5:40 ` Pavel Machek
2011-04-15 6:39 ` Ortwin Glück
0 siblings, 1 reply; 3+ messages in thread
From: Pavel Machek @ 2011-04-15 5:40 UTC (permalink / raw)
To: Ortwin Gl?ck, Rafael J. Wysocki; +Cc: linux-kernel
Hi!
> After a suspend/resume cycle I see intermittent high latency in
> poll_schedule_timeout (latencytop). This leads to the mouse cursor
> freezing for several seconds sometimes when switching to/from a window
> of a wine process. The problem never occurs before suspend, but always
> occurs after. Any ideas what could cause such behaviour? Kernel is
> vanilla 2.6.38 x86_64 running on a recent HP laptop with Intel chipset.
Was this solved somehow? Can you try to find "smaller" testcase --
anything less complex than wine? What about hibernation?
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: High latency in wine after suspend
2011-04-15 5:40 ` Pavel Machek
@ 2011-04-15 6:39 ` Ortwin Glück
0 siblings, 0 replies; 3+ messages in thread
From: Ortwin Glück @ 2011-04-15 6:39 UTC (permalink / raw)
To: Pavel Machek; +Cc: Rafael J. Wysocki, linux-kernel
>> After a suspend/resume cycle I see intermittent high latency in
>> poll_schedule_timeout (latencytop). This leads to the mouse cursor
>> freezing for several seconds sometimes when switching to/from a window
>> of a wine process. The problem never occurs before suspend, but always
>> occurs after. Any ideas what could cause such behaviour? Kernel is
>> vanilla 2.6.38 x86_64 running on a recent HP laptop with Intel chipset.
>
> Was this solved somehow? Can you try to find "smaller" testcase --
> anything less complex than wine? What about hibernation?
Yes, I made an educated guess and applied
84ac7c
x86, mtrr, pat: Fix one cpu getting out of sync during resume
With that the problem is gone.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2011-03-23 12:37 High latency in wine after suspend Ortwin Glück
2011-04-15 5:40 ` Pavel Machek
2011-04-15 6:39 ` Ortwin Glück
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