https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_318/fi-kbl-7500u/igt@kms_chamelium@hdmi-audio.html Starting subtest: hdmi-audio Home directory not accessible: Permission denied (kms_chamelium:1253) igt_chamelium_stream-WARNING: read failed: Resource temporarily unavailable (kms_chamelium:1253) CRITICAL: Test assertion failure function audio_state_receive, file ../tests/kms_chamelium.c:968: (kms_chamelium:1253) CRITICAL: Failed assertion: ok (kms_chamelium:1253) CRITICAL: Last errno: 11, Resource temporarily unavailable (kms_chamelium:1253) CRITICAL: Failed to receive audio from stream server Subtest hdmi-audio failed.
The CI Bug Log issue associated to this bug has been updated. ### New filters associated * igt@kms_chamelium@hdmi-audio - dmesg-fail -Failed assertion: ok, Failed to receive audio from stream server - https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_318/fi-kbl-7500u/igt@kms_chamelium@hdmi-audio.html - https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_319/fi-kbl-7500u/igt@kms_chamelium@hdmi-audio.html
Seems like a Chamelium bug. Chamelium logs: 2018-05-05 17:55:48,955 ERROR Failed to stop capturing audio: No audio data was captured. Perhaps this in put is not plugged ?
Ah, and this happens because we don't receive any data from the Chamelium via the streaming server. read hits the 5sec timeout.
This issue is specific to fi-kbl-7500u. It's hit every week. User impact: worst case scenario, no audio via HDMI.
This patch might help understand what's going on: https://patchwork.freedesktop.org/series/66592/
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