Resending to dri-devel on Matthew Garret advice. I'm building a -rc7 to see if something improved. It seems related to the backlight switching: I only noticed it today while playing a lot with brightness keys and DPMS. When it happens, I sometime get errors like this in dmesg: http://paste.debian.net/22718
-------- Forwarded Message -------- From: Yves-Alexis Perez <[EMAIL PROTECTED]> To: [EMAIL PROTECTED] <[EMAIL PROTECTED]> Subject: Huge wakeups number from i1915 Date: Tue, 02 Dec 2008 17:48:21 +0100 Hi, I have a problem with 2.6.28-rc6-00209-g6a12141. Not sure if I should mail to acpi@ or drm. From time to time (I noticed this resuming from hibernation, but it just appeared without that), I get huge wakeups from i915 module, and huge power consumption on my Thinkpad T61 with intel 965: [EMAIL PROTECTED]: sudo powertop -d PowerTOP 1.10 (C) 2007, 2008 Intel Corporation Collecting data for 15 seconds Cn Avg residency C0 (cpu running) (60,9%) C0 0,0ms ( 0,0%) C1 0,0ms ( 0,0%) C2 0,0ms (39,1%) C4 0,0ms ( 0,0%) P-states (frequencies) Wakeups-from-idle per second : 41769,4 interval: 15,0s Power usage (ACPI estimate): 33,1W (0,9 hours) Top causes for wakeups: 99,8% (85712,2) <interrupt> : [EMAIL PROTECTED]:0000:00:02.0 Not sure what I can do about this but it's a bit painful when running on battery :/ If I need to provide more info or ask on another list, please say so :) Cheers and thanks, -- Yves-Alexis
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