x3100 resume results in black screen (2.6.25 kernel)

Jesse Barnes jbarnes at virtuousgeek.org
Fri May 9 10:45:35 PDT 2008

On Friday, May 09, 2008 10:05 am Khashayar Naderehvandi wrote:
> Running ubuntu hardy with a 2.6.25 kernel causes the backlight of my laptop
> to remain black after resume. Switching VTs does not help.
> Hardy ships with a 2.6.24 kernel which works just fine, I installed a
> 2.6.25 kernel since it causes far fewer wakeups (as observed with
> powertop).
> I have also tried the 2.6.24 kernel with drm modules from git. This also
> fails on resume.
> The laptop is a dell xps m1330 with an x3100 chipset.

Does a suspend/resume from the console after loading the i915 DRM driver fail 
in the same way?


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