When running the test igt@drv_module_reload@basic-reload-inject on CI_DRM_2976, the machine fi-kbl-7260u encountered the following dmesg error: [ 453.176010] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon [ 453.176066] [drm:intel_ddi_init [i915]] *ERROR* LSPCON init failed on port B This may be related to https://bugs.freedesktop.org/show_bug.cgi?id=102294. Full logs: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_2976/fi-kbl-7260u/igt@drv_module_reload@basic-reload-inject.html
Also seen on igt@drv_module_reload@basic-no-display: Full logs: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_2983/fi-kbl-7260u/igt@drv_module_reload@basic-no-display.html
We have fixed this issue, Patches published here https://patchwork.freedesktop.org/series/28684/, one set of review done. Second set of patches coming today.
Published set 2 addressing review comments, Shashank
Shashank, when new v4 arrives? https://patchwork.freedesktop.org/series/31320/
New series sent: https://patchwork.freedesktop.org/series/31639/
Probably fixed by these commits in drm-intel-next-queued: commit f687e25a7a245952349f1f9f9cc238ac5a3be258 Author: Shashank Sharma <shashank.sharma@intel.com> Date: Thu Oct 12 22:10:08 2017 +0530 drm: Add retries for lspcon mode detection commit d18aef0f75436abb95894a230b504432df26c167 Author: Shashank Sharma <shashank.sharma@intel.com> Date: Tue Oct 10 15:37:43 2017 +0530 drm/i915: Don't give up waiting on INVALID_MODE commit a2fc4bd61e7ec3bb1f7c8b3d47272be813f88aea Author: Shashank Sharma <shashank.sharma@intel.com> Date: Tue Oct 10 15:37:44 2017 +0530 drm/i915: Add retries for LSPCON detection
The fix was integrated in CI_DRM_3228, the issue is not reproduced. However, I would like to see results from a couple of more runs before I call it verified.
Lets resolve as patches are merged. But follow will be done and only after few runs will be verified
The issue has not been seen since CI_DRM_3228.
Created attachment 134855 [details] attachment-13598-0.html Hello, I am on vacation between 06 Dec - 16 Dec with limited Phone and no mail access. Please expect delay in response. If this is something urgent, please contact my manager : Indranil, Mukherjee Regards Shashank
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