On 2012.12.22 at 20:46 -0500, Alex Deucher wrote: > On Mon, Dec 17, 2012 at 5:25 PM, Markus Trippelsdorf > <markus at trippelsdorf.de> wrote: > > On 2012.12.17 at 17:00 -0500, Alex Deucher wrote: > >> On Mon, Dec 17, 2012 at 4:48 PM, Markus Trippelsdorf > >> <markus at trippelsdorf.de> wrote: > >> > On 2012.12.17 at 16:32 -0500, Alex Deucher wrote: > >> >> On Mon, Dec 17, 2012 at 1:27 PM, Markus Trippelsdorf > >> >> <markus at trippelsdorf.de> wrote: > >> >> > As soon as I open the following website: > >> >> > http://www.boston.com/bigpicture/2012/12/2012_year_in_pictures_part_i.html > >> >> > > >> >> > my Radeon RS780 stalls (GPU lockup) leaving the machine unusable: > >> >> > >> >> Is this a regression? Most likely a 3D driver bug unless you are only > >> >> seeing it with specific kernels. What browser are you using and do > >> >> you have hw accelerated webgl, etc. enabled? If so, what version of > >> >> mesa are you using? > >> > > >> > This is a regression, because it is caused by yesterdays merge of > >> > drm-next by Linus. IOW I only see this bug when running a > >> > v3.7-9432-g9360b53 kernel. > >> > >> Can you bisect? I'm guessing it may be related to the new DMA rings. > >> Possibly: > >> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commitdiff;h=2d6cc7296d4ee128ab0fa3b715f0afde511f49c2 > > > > Yes, the commit above causes the issue. > > > > Does booting with radeon.wb=0 fix the issue? Please make sure your > kernel has this patch: > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commitdiff;h=86a1881d08f65a42c17071a59c0088dbe2870246
My kernel has this patch and radeon.wb=0 doesn't help. It still freezes the machine as soon as you scroll on a website with many big images. -- Markus
