On Wed, Nov 3, 2021 at 8:52 PM Sven Joachim <svenjoac@xxxxxx> wrote: > > On 2021-11-01 10:17 +0100, Greg Kroah-Hartman wrote: > > > From: Christian König <christian.koenig@xxxxxxx> > > > > commit 0db55f9a1bafbe3dac750ea669de9134922389b5 upstream. > > > > We need to cleanup the fences for ghost objects as well. > > > > Signed-off-by: Christian König <christian.koenig@xxxxxxx> > > Reported-by: Erhard F. <erhard_f@xxxxxxxxxxx> > > Tested-by: Erhard F. <erhard_f@xxxxxxxxxxx> > > Reviewed-by: Huang Rui <ray.huang@xxxxxxx> > > Bug: https://bugzilla.kernel.org/show_bug.cgi?id=214029 > > Bug: https://bugzilla.kernel.org/show_bug.cgi?id=214447 > > CC: <stable@xxxxxxxxxxxxxxx> > > Link: https://patchwork.freedesktop.org/patch/msgid/20211020173211.2247-1-christian.koenig@xxxxxxx > > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > > --- > > drivers/gpu/drm/ttm/ttm_bo_util.c | 1 + > > 1 file changed, 1 insertion(+) > > > > --- a/drivers/gpu/drm/ttm/ttm_bo_util.c > > +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c > > @@ -322,6 +322,7 @@ static void ttm_transfered_destroy(struc > > struct ttm_transfer_obj *fbo; > > > > fbo = container_of(bo, struct ttm_transfer_obj, base); > > + dma_resv_fini(&fbo->base.base._resv); > > ttm_bo_put(fbo->bo); > > kfree(fbo); > > } > > Alas, this innocuous looking commit causes one of my systems to lock up > as soon as run startx. This happens with the nouveau driver, two other > systems with radeon and intel graphics are not affected. Also I only > noticed it in 5.10.77. Kernels 5.15 and 5.14.16 are not affected, and I > do not use 5.4 anymore. > > I am not familiar with nouveau's ttm management and what has changed > there between 5.10 and 5.14, but maybe one of their developers can shed > a light on this. > > Cheers, > Sven > could be related to 265ec0dd1a0d18f4114f62c0d4a794bb4e729bc1
