[Intel-gfx] [PATCH igt] igt/drv_hangman: Check that the error state does hold the expected state

[Chris Wilson]

Quoting Antonio Argenziano (2018-03-05 19:10:37)
> 
> 
> On 05/03/18 02:09, Chris Wilson wrote:
> > Actually check the error state exists (!"No error state captured") and
> > that it contains the expected engine dump.
> > 
> > v2: Throw in some debug clues.
> > 
> > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> > ---
> >   tests/drv_hangman.c | 12 ++++++++++++
> >   1 file changed, 12 insertions(+)
> > 
> > diff --git a/tests/drv_hangman.c b/tests/drv_hangman.c
> > index 38cb20c3..fa7becf5 100644
> > --- a/tests/drv_hangman.c
> > +++ b/tests/drv_hangman.c
> > @@ -129,6 +129,14 @@ static void check_error_state(const char *expected_ring_name,
> >       FILE *file = open_error();
> >       char *line = NULL;
> >       size_t line_size = 0;
> > +     bool found = false;
> > +
> > +     igt_debug("%s(expected ring name=%s, expected offset=%"PRIx64")\n",
> > +               __func__, expected_ring_name, expected_offset);
> > +     igt_debugfs_dump(device, "i915_error_state");
> > +
> > +     getline(&line, &line_size, file);
> > +     igt_assert(strcasecmp(line, "No error state captured"));
> >   
> >       while (getline(&line, &line_size, file) > 0) {
> >               char *dashes;
> > @@ -168,12 +176,16 @@ static void check_error_state(const char *expected_ring_name,
> >                                        4*i, batch[i]);
> >                               igt_assert(strstr(line, expected_line));
> >                       }
> > +
> > +                     found = true;
> >                       break;
> >               }
> >       }
> >   
> >       free(line);
> >       fclose(file);
> > +
> > +     igt_assert(found);
> 
> Test changes look fine to me, failures on CI seems to be caused by the 
> test not waiting for reset to happen only before we would have not 
> caught it.
> 
> Reviwed-by: Antonio Argenziano <antonio.argenziano at intel.com>

Fixed the kernel bug, clearing the way for this patch to land.

Thanks for the review,
-Chris