igt@kms_pm_rpm@system-suspend-modeset - fail - Test assertion failure function suspend_via_rtcwake, Failed assertion: ret == 0

http://gfx-ci.igk.intel.com/cibuglog-ng/testresult/1689377131?query_key=e705ce62ab8a1c5f2b66eb9ca42ff5b20a62d267

Starting subtest: system-suspend-modeset
(kms_pm_rpm:1168) igt_core-WARNING: [cmd] rtcwake: write error
(kms_pm_rpm:1168) igt_aux-WARNING: rtcwake failed with 1
Check dmesg for further details.
(kms_pm_rpm:1168) igt_aux-CRITICAL: Test assertion failure function suspend_via_rtcwake, file ../../../usr/src/igt-gpu-tools/lib/igt_aux.c:822:
(kms_pm_rpm:1168) igt_aux-CRITICAL: Failed assertion: ret == 0
(kms_pm_rpm:1168) igt_aux-CRITICAL: error: 1 != 0
Subtest system-suspend-modeset failed.
**** DEBUG ****
(kms_pm_rpm:1168) igt_pm-DEBUG: (status = __igt_get_runtime_pm_status(fd)) == expected took 2967ms
(kms_pm_rpm:1168) igt_aux-DEBUG: Test requirement passed: (power_dir = open("/sys/power", O_RDONLY)) >= 0
(kms_pm_rpm:1168) igt_aux-DEBUG: Test requirement passed: is_state_supported(power_dir, state)
(kms_pm_rpm:1168) igt_aux-DEBUG: Test requirement passed: test == SUSPEND_TEST_NONE || faccessat(power_dir, "pm_test", R_OK | W_OK, 0) == 0
(kms_pm_rpm:1168) igt_aux-DEBUG: Test requirement passed: !(state == SUSPEND_STATE_DISK && !igt_get_total_swap_mb())
(kms_pm_rpm:1168) igt_aux-DEBUG: Test requirement passed: ret == 0