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Old 02-23-2010, 09:13 PM
Matthew Garrett
 
Default Intel GPU powersaving

We tried some new Intel powersaving code in the F12 cycle, but it caused
a range of problems including screen flickering and crashes. I've
reworked this a little and it seems to work on a machine that had
problems in the past, so I'd like to try it again. If anyone with an
Intel GPU (except GMA500, 810, 815 and 830) would like to give the F13
kernels at http://koji.fedoraproject.org/koji/taskinfo?taskID=2009928 a
go and let me know if they result in graphical glitches or hangs that
you don't otherwise have with F13, that would be a great help.

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Old 02-23-2010, 10:41 PM
Rudolf Kastl
 
Default Intel GPU powersaving

still got hangs on a lenovo x301. with 2.6.32/31 the hangs are gone.

2010/2/23 Matthew Garrett <mjg59@srcf.ucam.org>:
> We tried some new Intel powersaving code in the F12 cycle, but it caused
> a range of problems including screen flickering and crashes. I've
> reworked this a little and it seems to work on a machine that had
> problems in the past, so I'd like to try it again. If anyone with an
> Intel GPU (except GMA500, 810, 815 and 830) would like to give the F13
> kernels at http://koji.fedoraproject.org/koji/taskinfo?taskID=2009928 a
> go and let me know if they result in graphical glitches or hangs that
> you don't otherwise have with F13, that would be a great help.
>
> --
> Matthew Garrett | mjg59@srcf.ucam.org
> --
> devel mailing list
> devel@lists.fedoraproject.org
> https://admin.fedoraproject.org/mailman/listinfo/devel
>
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Old 02-23-2010, 11:05 PM
Matthew Garrett
 
Default Intel GPU powersaving

On Wed, Feb 24, 2010 at 12:41:56AM +0100, Rudolf Kastl wrote:
> still got hangs on a lenovo x301. with 2.6.32/31 the hangs are gone.

And with other F13 .33 kernels?

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Old 02-24-2010, 07:54 AM
Fabian Deutsch
 
Default Intel GPU powersaving

Hello.

Am Dienstag, den 23.02.2010, 22:13 +0000 schrieb Matthew Garrett:
> We tried some new Intel powersaving code in the F12 cycle, but it caused
> a range of problems including screen flickering and crashes. I've
> reworked this a little and it seems to work on a machine that had
> problems in the past, so I'd like to try it again. If anyone with an
> Intel GPU (except GMA500, 810, 815 and 830) would like to give the F13
> kernels at http://koji.fedoraproject.org/koji/taskinfo?taskID=2009928 a
> go and let me know if they result in graphical glitches or hangs that
> you don't otherwise have with F13, that would be a great help.

I'm using an Iintel GMA 945 (Macbook 2.1), the above kernel does not
behave different than 2.6.33-0.46. That means:
- GDM works (again)
- No flickering at boot
- Logging in to GNOME blanks the screen, even a VT switch does not bring
the backlight(?) back. (might this just be an gnome-power problem?
related to ...)
- ... adjusting brightness does not work.

All in all the intel driver was quite unstable since 2.6.31-5.
https://bugzilla.redhat.com/show_bug.cgi?id=558439

Greetings
- fabian
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