Messages in this thread | | | Date | Mon, 19 Jan 2009 22:05:06 +0100 | From | etienne <> | Subject | Re: [2.6.29-rc2][Suspend regression][DRM ???? bisected] |
| |
Hello,
etienne wrote: > hello, > > With 2.6.29-rc2 (and rc1) i cannot resume from suspend to ram (echo > mem > /sys/power/state). Computer correctly suspends, but never wakes > up (screens stays black and everything is unresponsive) > > It has been working flawlessly in all prior kernel. > I tried a bisection and it "seems" to point to : > ==================================== > a9d51a5ad1154b5b20add1e8d30a5564f8aabbe9 is first bad commit > commit a9d51a5ad1154b5b20add1e8d30a5564f8aabbe9 Author: > Dave Airlie <airlied@linux.ie> Date: Sun Dec 7 > 12:02:21 2008 +1000 > drm: reorganise start and load. > Make sure we have the primary node > so the device can add maps. > > Signed-off-by: Dave Airlie <airlied@redhat.com> > ======================================== > > HOWEVER, I am not quite sure my bisect was correct; I mean, some "bad > bisect" had a different behavior (resume produces a garbage screen, > computer locked) > and after bisect 57a6297e52b32ff402291a7d8fd802f83e746e52 all "bad" > kernel wouldn't start X, init=/bin/bash booted fine but no resume > > I tried to revert but got errors > ============================= > etienne@etienne-desktop:~/linux-2.6$ git revert > a9d51a5ad1154b5b20add1e8d30a5564f8aabbe9 > warning: too many files, skipping inexact rename detection > Auto-merged drivers/gpu/drm/drm_stub.c > CONFLICT (content): Merge conflict in drivers/gpu/drm/drm_stub.c > Automatic revert failed. After resolving the conflicts, > mark the corrected paths with 'git add <paths>' or 'git rm <paths>' > and commit the result. > ========================= > Please find attached bisect log, lspci (from 2.6.28-rc8) , and .config > (2.6.29rc2) > > I have a radeon card > 01:00.0 VGA compatible controller: ATI Technologies Inc RV370 5B60 > [Radeon X300(PCIE)] > Packages : > xserver-xorg-video-radeon > 1:6.9.0+git20081003.f9826a56-0ubuntu2.1 > ii xserver-xorg > 1:7.4~5ubuntu3 the X.Org X > server ii > xserver-xorg-core > 2:1.5.2-2ubuntu3 Xorg X server - core > server > I'm willing to test patches and ideas of course :) > > Except for this regression, everything works fine for me, I migrated > to ext4 and it "feels" a huge win especially on "rm" and fsck :)) > > best regards, > Etienne > > > hello,
as my bisect directed to drm but as I was unable to revert the commit, I took my 2.6.29rc2 kernel, removed drivers/gpu/drm and include/drm and replaced them with 2.6.28 files. Rebooted into this new kernel, suspended to ram and ...same bug :( so maybe there a bug in drm, but there another one elsewhere... I checked /var/log/messages from a working and a non working kernel, and there's absolutely _nothing_ in non-working kernels in working kernel i see suspend beginning like this : Jan 19 21:50:47 etienne-desktop kernel: PM: Syncing filesystems ... done. Jan 19 21:50:47 etienne-desktop kernel: [drm] Num pipes: 1
Are there any patch i could try? Is it possible to run a git bisect excluding all drm commits to find the other bug?
regards Etienne
| |