Messages in this thread | | | Date | Sun, 20 Dec 2009 23:39:48 +0300 | From | Michael Tokarev <> | Subject | Re: [stable] Regression in 2.6.32.2: radeon KMS hangs system |
| |
Johannes Hirte wrote: > With 2.6.32.2 the system hangs completely with black screen when modprobing > radeon with modeset=1. I was able to connect via ssh, but after entering the > password nothing happend. I didn't got a prompt. Only SysRq worked. I've > tracked it down to the following patch: > > From 500b758725314ab1b5316eb0caa5b0fa26740e6b Mon Sep 17 00:00:00 2001 > From: Alex Deucher <alexdeucher@gmail.com> > Date: Wed, 2 Dec 2009 11:46:52 -0500 > Subject: drm/radeon/kms: handle vblanks properly with dpms on
Confirmed here on amd780g chipset. I was about to debug/bisect the issue right when the email arrived. Reverting this patch makes my system bootable again.
/mjt
> From: Alex Deucher <alexdeucher@gmail.com> > > commit 500b758725314ab1b5316eb0caa5b0fa26740e6b upstream. > > avivo chips > > Copied from pre-avivo code. > > Signed-off-by: Alex Deucher <alexdeucher@gmail.com> > Signed-off-by: Dave Airlie <airlied@redhat.com> > Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> ...
| |