Messages in this thread | | | From | Maciej Rutecki <> | Subject | Re: [3.4-rc1][Regression][intel] Resume from suspend to disk hangs on restoring backlight state | Date | Mon, 2 Apr 2012 21:00:11 +0200 |
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On poniedziałek, 2 kwietnia 2012 o 19:54:02 Daniel Vetter wrote: > On Mon, Apr 02, 2012 at 07:39:39PM +0200, Maciej Rutecki wrote: > > Last known good: 3.3 > > Bad kernel: 3.4-rc1 > > Subsystem: power management/suspend/dri(intel) > > > > When I resume from suspend to disk then system hangs on this screen: > > http://mrutecki.pl/download/kernel/3.4-rc1/suspend_resume/DSC_5479.jpg > > > > It does not help SysRq keys. Only I can force power off by hold power > > button. > > > > Dmesg: > > http://mrutecki.pl/download/kernel/3.4-rc1/suspend_resume/dmesg-3.4-rc1.t > > xt > > > > Config: > > http://mrutecki.pl/download/kernel/3.4-rc1/suspend_resume/config-3.4.0-rc > > 1 > > Likely a known regression, ppgtt support broke hibernate because my code > doesn't restore the ppgtt page directory correctly in the thaw function. > > Patch: > http://cgit.freedesktop.org/~danvet/drm-intel/commit/?h=drm-intel-fixes&id= > 55a254ac63a3ac1867d1501030e7fba69c7d4aeb > > Please test whether this fixes your issue. You can also try adding > i915.i915_enable_ppgtt=0 to your kernel cmdline. > > Thanks, Daniel
Patch solves problem.
Now resume hangs later on another subsystem: wireless :D
Regards -- Maciej Rutecki http://www.mrutecki.pl -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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