igt@perf_pmu@module-unload - fail - Failed assertion: read(fd, buf, sizeof(buf)) == sizeof(buf)
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_490/fi-blb-e6850/igt@perf_pmu@module-unload.html
Starting subtest: module-unload
(perf_pmu:1199) CRITICAL: Test assertion failure function pmu_read_multi, file ../tests/perf_pmu.c:127:
(perf_pmu:1199) CRITICAL: Failed assertion: read(fd, buf, sizeof(buf)) == sizeof(buf)
(perf_pmu:1199) CRITICAL: Last errno: 19, No such device
(perf_pmu:1199) CRITICAL: error: 40 != 56
Subtest module-unload failed.
**** DEBUG ****
(perf_pmu:1173) DEBUG: Test requirement passed: unload_i915() == 0