On Monday, June 14, 2010, Alex Deucher wrote: > On Mon, Jun 14, 2010 at 10:53 AM, Rafael J. Wysocki <rjw@xxxxxxx> wrote: > > Alex, Dave, > > > > I'm afraid hibernation is broken on all machines using radeon/KMS with r300 > > after commit ce8f53709bf440100cb9d31b1303291551cf517f > > (drm/radeon/kms/pm: rework power management). At least, I'm able to reproduce > > the symptom, which is that the machine hangs hard around the point where an > > image is created (probably during the device thaw phase), on two different > > boxes with r300 (the output of lspci from one of them is attached for > > reference, the other one is HP nx6325). > > > > Suspend to RAM appears to work fine at least on one of the affected boxes. > > > > Unfortunately, the commit above changes a lot of code and it's not too easy to > > figure out what's wrong with it and I didn't have the time to look more into > > details of this failure. However, it looks like you use .suspend() and > > .resume() callbacks as .freeze() and .thaw() which may not be 100% correct > > (in fact it looks like the "legacy" PCI suspend/resume is used, which is not > > recommended any more). > > > > Does it work any better after Dave's last drm pull request? Nope. The symptom is slightly different, though, because now it hangs after turning off the screen. > With the latest changes, pm should not be a factor unless it's explicitly > enabled via sysfs. Well, I guess the first pm patch changed more than just pm, then. Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
