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Re: [Bug 740126] Re: Disabling an output can cause vblank events to be missed

 

I have been trying to get reproduce the bug to capture dmesg,
i915_error_state and even backtraces from my gdm session, but I am not
sure what triggers it yet.

So far, it seems that it freezes when the screensaver was running for
some time BECAUSE IT HAD TURNED MY SCREEN OFF due to the energy policy...

I had since disengaged the energy control option to never turn my screen
off again, so far it has not frozen my system again. I suspect that this
could be the root cause, but I am not sure how to prove it, or what
packages could be involved to further the investigation.

It also seems to happen only on my systems with intel video boards
(Mobile GM965/GL960 Lenovo Laptop and Mobile 945GME Express Asus
netbook).

2011/5/11 leomeloxp <740126@xxxxxxxxxxxxxxxxxx>

> Hi everyone I think I got this bug running Natty on a Dell Inspiron 1545
> Laptop. For me it always happened when the laptop was left idle,
> sometimes after the display turned off others even before that (possibly
> with the lid closed). I'll try the Kernel suggested on #46 and #53. I'm
> subscribing and will report back if I get it again. If anyone can tell
> me how to help debugging it I'll be happy to be of any help.
>
> Do your best everyone o/
>
> --
> You received this bug notification because you are a direct subscriber
> of a duplicate bug (768579).
> https://bugs.launchpad.net/bugs/740126
>
> Title:
>  Disabling an output can cause vblank events to be missed
>
> To unsubscribe from this bug, go to:
> https://bugs.launchpad.net/unity/+bug/740126/+subscribe
>


-- 
Fábio Leitão
..-. .- -... .. ---  .-.. . .. - .- ---  ...-.-

-- 
You received this bug notification because you are a member of compiz
packagers, which is subscribed to compiz in Ubuntu.
https://bugs.launchpad.net/bugs/740126

Title:
  Disabling an output can cause vblank events to be missed


References