On Fri, 2017-07-14 at 17:05 +0200, Tobias Klausmann wrote:
> On 7/14/17 3:41 PM, Mike Galbraith wrote:
> > On Fri, 2017-07-14 at 15:36 +0200, Mike Galbraith wrote:
> >> All DRM did was to slip a
> >> WARN_ON_ONCE() that nouveau triggers into a kernel module where such
> >> things no longer warn, they blow the box out of the water.
> > BTW, turn that irksome WARN_ON_ONCE() in drivers/gpu/drm/drm_vblank.c
> > into a WARN_ONCE(), and all is peachy, you get the warning, box lives.
> >
> > ---
> > drivers/gpu/drm/drm_vblank.c | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > --- a/drivers/gpu/drm/drm_vblank.c
> > +++ b/drivers/gpu/drm/drm_vblank.c
> > @@ -605,7 +605,8 @@ bool drm_calc_vbltimestamp_from_scanoutp
> > */
> > if (mode->crtc_clock == 0) {
> > DRM_DEBUG("crtc %u: Noop due to uninitialized mode.\n", pipe);
> > - WARN_ON_ONCE(drm_drv_uses_atomic_modeset(dev));
> > + WARN_ONCE(drm_drv_uses_atomic_modeset(dev), "%s: report me.\n",
> > + dev->driver->name);
> >
> > return false;
> > }
>
>
> Hey,
>
> confirmed this helps saving the box, but we still have to find the root
> cause! Backtrace with the above fix applied (and the one which came in
> with the latest drm-fixes merge)!
Yeah, I'll be reporting some extra whining from my 8600 GT backup box.
-Mike
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel
