<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [CI][BAT] igt@* - dmesg-warn - [drm:drm_dp_dpcd_access] Too many retries, giving up. First error: -5, then *ERROR* Failed to probe lspcon" href="https://bugs.freedesktop.org/show_bug.cgi?id=108529#c8">Comment # 8</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [CI][BAT] igt@* - dmesg-warn - [drm:drm_dp_dpcd_access] Too many retries, giving up. First error: -5, then *ERROR* Failed to probe lspcon" href="https://bugs.freedesktop.org/show_bug.cgi?id=108529">bug 108529</a> from <a class="email" href="mailto:swati2.sharma@intel.com" title="Swati Sharma <swati2.sharma@intel.com>"> Swati Sharma</a> <pre>In the boot log of <a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5021/fi-apl-guc/boot0.log">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5021/fi-apl-guc/boot0.log</a>, it can be seen <7>[ 6.938880] [drm:lspcon_wake_native_aux_ch [i915]] Native AUX CH up, DPCD version: 0.0 DPCD version is read incorrectly, after that lspcon probe error comes. Failure of following i-g-t subtests has this thing common: kms_pipe_crc_basic@suspend-read-crc-pipe-a igt@drv_module_reload@basic-reload igt@drv_module_reload@basic-reload-inject igt@pm_rpm@module-reload The same thing is happening for APL and KBL. KBL NUC on which I am trying to reproduce this issue, DPCD version is read correctly and probe failure is not observed.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are on the CC list for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>