[igt-dev] [PATCH i-g-t] lib/aux: Ensure swap space prior to suspend to disk

don.hiatt
2019-11-22T00:32:06Z

From: Don Hiatt <don.hiatt@intel.com>

Suspending to disk requires swap space, make sure it exists
before attempting to suspend to disk.

Cc: Sujaritha Sundaresan <sujaritha.sundaresan@intel.com>
Signed-off-by: Don Hiatt <don.hiatt@intel.com>
---
lib/igt_aux.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/lib/igt_aux.c b/lib/igt_aux.c
index 578f857933f0..31c01624a651 100644
--- a/lib/igt_aux.c
+++ b/lib/igt_aux.c
@@ -864,6 +864,10 @@ void igt_system_suspend_autoresume(enum igt_suspend_state state,
igt_require(test == SUSPEND_TEST_NONE ||
faccessat(power_dir, "pm_test", R_OK | W_OK, 0) == 0);

+ if (state == SUSPEND_STATE_DISK)
+ igt_require_f(intel_get_total_swap_mb() > 0,
+ "Suspend to disk requires swap space.\n");
+
orig_test = get_suspend_test(power_dir);
set_suspend_test(power_dir, test);

--
2.17.1