On Wed, Dec 14, 2011 at 08:00:04AM +0100, batouzo wrote: > On 12/14/2011 12:47 AM, Jerome Glisse wrote: > > On Tue, Dec 13, 2011 at 6:46 PM, Jerome Glisse <j.glisse@xxxxxxxxx> wrote: > >> On Tue, Dec 13, 2011 at 6:33 PM, batouzo <batouzo@xxxxxxx> wrote: > >>> On 12/14/2011 12:31 AM, Jerome Glisse wrote: > >>> > >>>>> Allocated in drm_vblank_init+0x139/0x260 [drm] + Freed in > >>>>> drm_vblank_cleanup+0x78/0x90 [drm] > >>>>> Allocated in drm_vblank_init+0xbe/0x260 [drm] + Freed in > >>>>> drm_vblank_cleanup+0x48/0x90 [drm] > >>>>> > >>>>> It is Amd Bulldozer computer, with Radeon card: > >>>>> 01:00.0 VGA compatible controller: ATI Technologies Inc Cedar PRO > >>>>> [Radeon HD 5450] > >>>>> > >>>>> messages: http://pastebin.com/NXN5EPtG > >>>>> config used: http://pastebin.com/AeVxEX7c > >>> > >>>> > >>>> Do you boot your kernel with kexec ? Does the patch help : > >>> > >>> Nope. Already seen that kexec bugfix on LKML but I start system normally > >>> not with kexec. > >>> > >>>> http://people.freedesktop.org/~glisse/0001-drm-radeon-disable-possible-GPU-writeback-early-v3.patch > >>>> If not please open bug on bugs.freedesktop.org against radeon driver. > >>> > >>> ok > >>> > >> > >> Note that this patch might also help non kexec case. > >> > >> Cheers, > >> Jerome > > > > Oh and try booting with radeon.no_wb=1 > > > > Cheers, > > Jerome > > Using that patch on 3.1.4 results in locking for 60 seconds on startup, > since it is now looking for firmware. > > This wait was not present without that patch. > > This looks familiar, like the 60 second wait when using netconsole > caused by netconsole attempt to look for NIC card firmware too early > (when / is not really mounted, just initramfs). > > I will report soon does it fix the crash; > > Though, the 60 second delay may influence the rarity of hitting BUG (it > was the case with netconsole's 60sec wait). > Should I just remove loading of this firmware? > That patch doesn't change anything in regard of firmware. You need firmware for GPU to be use otherwise kms is just a fancy framebuffer driver. Cheers, Jerome _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
