Hi, On 02/03/2015 10:53 PM, Tobias Jakobi wrote: > The blend test uses the userptr functionality of exynos-drm, which > is currently not safe to use. If the kernel hasn't been build with > exynos-iommu support, then the blend test is going to produce (kernel) > memory corruption, eventually leading to a system crash. > > Disable the test for now, until the kernel code has been sanitized. > > Signed-off-by: Tobias Jakobi <tjakobi at math.uni-bielefeld.de> > --- > tests/exynos/exynos_fimg2d_test.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/tests/exynos/exynos_fimg2d_test.c > b/tests/exynos/exynos_fimg2d_test.c > index aa140e5..48dfe97 100644 > --- a/tests/exynos/exynos_fimg2d_test.c > +++ b/tests/exynos/exynos_fimg2d_test.c > @@ -788,11 +788,13 @@ int main(int argc, char **argv) > > getchar(); > > +#if 0
How about add some comments about why need disable? Thanks. > ret = test_case.blend(dev, src, bo, G2D_IMGBUF_USERPTR); > if (ret < 0) > fprintf(stderr, "failed to test blend operation.\n"); > > getchar(); > +#endif > > err_free_src: > if (src) >