On Wed, Nov 3, 2021 at 9:29 PM Karol Herbst <kherbst@xxxxxxxxxx> wrote: > > 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 maybe not.. but I did remember there being a few tmm related patches which only hurt nouveau :/ I guess one could do a git bisect to figure out what change "fixes" it. On which GPU do you see this problem?
