Verify that contexts are automatically shotdown on close if hangchecking is disabled.
Basic environmental robustness test stolen from gem_ctx_persistence. Signed-off-by: Chris Wilson <[email protected]> Cc: Jon Bloomfield <[email protected]> Cc: Tvrtko Ursulin <[email protected]> --- tests/i915/gem_ctx_exec.c | 41 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/tests/i915/gem_ctx_exec.c b/tests/i915/gem_ctx_exec.c index 614a9f401..92e899869 100644 --- a/tests/i915/gem_ctx_exec.c +++ b/tests/i915/gem_ctx_exec.c @@ -40,6 +40,8 @@ #include <drm.h> +#include "igt_dummyload.h" +#include "igt_sysfs.h" IGT_TEST_DESCRIPTION("Test context batch buffer execution."); @@ -196,6 +198,42 @@ static void norecovery(int i915) igt_disallow_hang(i915, hang); } +static bool __enable_hangcheck(int dir, bool state) +{ + return igt_sysfs_set(dir, "enable_hangcheck", state ? "1" : "0"); +} + +static void nohangcheck_hostile(int i915) +{ + int64_t timeout = NSEC_PER_SEC / 2; + igt_spin_t *spin; + uint32_t ctx; + int dir; + + /* + * Even if the user disables hangcheck during their context, + * we forcibly terminate that context. + */ + + dir = igt_sysfs_open_parameters(i915); + igt_require(dir != -1); + + ctx = gem_context_create(i915); + + igt_require(__enable_hangcheck(dir, false)); + + spin = igt_spin_new(i915, ctx, .flags = IGT_SPIN_NO_PREEMPTION); + gem_context_destroy(i915, ctx); + + igt_assert_eq(gem_wait(i915, spin->handle, &timeout), 0); + + igt_require(__enable_hangcheck(dir, true)); + + igt_spin_free(i915, spin); + gem_quiescent_gpu(i915); + close(dir); +} + igt_main { const uint32_t batch[2] = { 0, MI_BATCH_BUFFER_END }; @@ -239,6 +277,9 @@ igt_main igt_subtest("basic-norecovery") norecovery(fd); + igt_subtest("basic-nohangcheck") + nohangcheck_hostile(fd); + igt_subtest("reset-pin-leak") { int i; -- 2.24.0.rc0 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
