Hi Ben, I have drv_suspend running in a loop for a few hours now and I haven´t been able to hit that problem. Could you give some more info? were you using piglit? were you able to reproduce it systematically? I did have to fix the test for my system, thought (the output of the serial "cat" was going into std output instead of /dev/null and creating all kinds of craziness). I sent a patch to the mailing list. Cheers, Oscar > -----Original Message----- > From: Ben Widawsky [mailto:ben@xxxxxxxxxxxx] > Sent: Monday, November 11, 2013 12:30 AM > To: Daniel Vetter > Cc: Mateo Lozano, Oscar; intel-gfx@xxxxxxxxxxxxxxxxxxxxx > Subject: Re: [PATCH] lib/drmtest: Retire requests via drop caches > after gem_quiescent_gpu > > On Tue, Nov 05, 2013 at 07:35:16PM +0100, Daniel Vetter wrote: > > On Tue, Nov 05, 2013 at 02:15:19PM +0000, oscar.mateo@xxxxxxxxx wrote: > > > From: Oscar Mateo <oscar.mateo@xxxxxxxxx> > > > > > > This helps make sure that the GPU is really quiescent by getting rid > > > of any residual stuff. > > > > > > Signed-off-by: Oscar Mateo <oscar.mateo@xxxxxxxxx> > > > > Merged, thanks for the patch. > > -Daniel > > I'm hitting what seems to be a race on gem_suspend. Please fix. > Subtest debugfs-reader: SUCCESS > Test assertion failure function igt_drop_caches_set, file igt_debugfs.c:336: > > > > > > > --- > > > lib/drmtest.c | 2 ++ > > > 1 file changed, 2 insertions(+) > > > > > > diff --git a/lib/drmtest.c b/lib/drmtest.c index e3fc166..d8fc60f > > > 100644 > > > --- a/lib/drmtest.c > > > +++ b/lib/drmtest.c > > > @@ -47,6 +47,7 @@ > > > #include "i915_drm.h" > > > #include "intel_chipset.h" > > > #include "intel_gpu_tools.h" > > > +#include "igt_debugfs.h" > > > > > > /* This file contains a bunch of wrapper functions to directly use gem > ioctls. > > > * Mostly useful to write kernel tests. */ @@ -163,6 +164,7 @@ void > > > gem_quiescent_gpu(int fd) > > > } > > > > > > gem_sync(fd, handle); > > > + igt_drop_caches_set(DROP_RETIRE); > > > } > > > > > > /** > > > -- > > > 1.7.9.5 > > > > > > _______________________________________________ > > > Intel-gfx mailing list > > > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > > > http://lists.freedesktop.org/mailman/listinfo/intel-gfx > > > > -- > > Daniel Vetter > > Software Engineer, Intel Corporation > > +41 (0) 79 365 57 48 - http://blog.ffwll.ch > > _______________________________________________ > > Intel-gfx mailing list > > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > > http://lists.freedesktop.org/mailman/listinfo/intel-gfx > > -- > Ben Widawsky, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
