On Mon, Jun 14, 2010 at 3:03 PM, Rafael J. Wysocki <rjw at sisk.pl> wrote: > On Monday, June 14, 2010, Alex Deucher wrote: >> On Mon, Jun 14, 2010 at 10:53 AM, Rafael J. Wysocki <rjw at sisk.pl> 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.
Does this patch help? http://lists.freedesktop.org/archives/dri-devel/2010-June/001314.html Alex
