Messages in this thread | | | Subject | Re: 2.6.28 regression: xbacklight broken on ThinkPad X61s | From | Zhang Rui <> | Date | Mon, 05 Jan 2009 17:06:15 +0800 |
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On Mon, 2009-01-05 at 16:39 +0800, Tino Keitel wrote: > Hi, > > xbacklight is broken as of 2.6.28 on my ThinkPad X61s. It works with > 2.6.27(.8) The difference I can see between both kernels is that 2.6.27 > has 2 backlight ACPI devices, whereas 2.6.28 only has one device. With > 2.6.28, I can use xbacklight and see the values change in xbacklight > -get, but the actual display brightness doesn't change. > hmm, this regression is caused by commit 22c13f9d8179f4c9caecfcb60a95214562b9addc
but the real problem is that the IGD OpRegion doesn't work well on this laptop.
please file a bug at bugzilla.kernel.org and attach the acpidump there.
thanks, rui
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