On 24/08/08 at 18:52 +0200, Michael Biebl wrote: > tags 491202 moreinfo help > thanks > > Lucas Nussbaum wrote: > > On 21/08/08 at 10:50 +0200, Michael Biebl wrote: > >> If acpi-support is working for you, could you please post a list loaded > >> modules right before the suspend (or better, the diff between pm-utils > >> and acpi-support). > >> > >> Does your computer require any quirks (lshal | grep quirk)? > >> Can you experiment with a different set of quirks [1]? > > > > After a lot more testing: > > acpi-support's legacy mode still fails sometimes (but rarely -- about > > once every 20 suspend/resumes cycles). It never failed with 2.6.24, so > > there's a kernel regression somewhere. > > What about the latest 2.6.26-3 kernel in unstable?
Same problem. > > But using pm-suspend, it fails a lot more frequently. Using pm-suspend > > --quirk-vbe-post --quirk-vbestate-restore (quirks suggested by lshal | > > grep quirks), it fails about one third of the times. I also tried with > > --quirk-vbemode-restore, with no improvement. > > > > I think that all of this might be related to the fact that my laptop > > (Dell Latitude D610) is shipped using either an intel video card, or an > > ATI one (my case). Maybe the work on this laptop was done by someone > > with an Intel video card. > > Which graphics card is it exactly, what driver do you use (open/closed > source)? Do you use a framebuffer (radeonfb)? 01:00.0 VGA compatible controller: ATI Technologies Inc M22 [Mobility Radeon X300] I use the opensource driver, no framebuffer. > With ATI cards and the opensource driver I had good experiences with > using the s3_bios+s3_mode quirk. Well it used to work very well for me as well ;) > Looks very much like a kernel regression and I'm not sure if there is > that much that can be done within pm-utils. > Nonetheless it would be interesting what acpi-support (legacy mode) does > differently so it doesn't fail that often. > > CCing Bart, maybe he can share his insight. -- | Lucas Nussbaum | [EMAIL PROTECTED] http://www.lucas-nussbaum.net/ | | jabber: [EMAIL PROTECTED] GPG: 1024D/023B3F4F |
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