<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - vblank wait timeout, giving kernel panic, while switching TTY" href="https://bugs.freedesktop.org/show_bug.cgi?id=97412#c8">Comment # 8</a> on <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - vblank wait timeout, giving kernel panic, while switching TTY" href="https://bugs.freedesktop.org/show_bug.cgi?id=97412">bug 97412</a> from <a class="email" href="mailto:marcel.foss@gmail.com" title="Marcel Dijkstra <marcel.foss@gmail.com>"> Marcel Dijkstra</a> <pre>Succesfully installed drmp-tip kernel git#5b3638: "2017y-06m-08d-20h-34m-37s UTC integration manifest". The kernel crashes switching to TTY2 with X11 on DRI3, SNA on my Thinkpad, after switching about 5 cycles between TTY2 and TTY7. No kernel panic is recorded in system log. Can only give DRM debug information right before crash: Jun 09 19:28:29 tinkpad kernel: [drm:drm_atomic_check_only [drm]] checking ffff8801fad12800 Jun 09 19:28:29 tinkpad kernel: [drm:drm_atomic_helper_check_modeset [drm_kms_helper]] Updating routing for [CONNECTOR:40:LVDS-1] Jun 09 19:28:29 tinkpad kernel: [drm:drm_atomic_helper_check_modeset [drm_kms_helper]] [CONNECTOR:40:LVDS-1] keeps [ENCODER:41:LVDS], now on [CRTC:32:pipe A] Jun 09 19:28:29 tinkpad kernel: [drm:intel_plane_atomic_calc_changes [i915]] [CRTC:32:pipe A] has [PLANE:26:primary A] with fb 67 Jun 09 19:28:29 tinkpad kernel: [drm:intel_plane_atomic_calc_changes [i915]] [PLANE:26:primary A] visible 1 -> 1, off 0, on 0, ms 0 Jun 09 19:28:29 tinkpad kernel: [drm:drm_atomic_commit [drm]] committing ffff8801fad12800 Jun 09 19:28:29 tinkpad kernel: [drm:drm_atomic_state_default_clear [drm]] Clearing atomic state ffff8801fad12800 Jun 09 19:28:29 tinkpad kernel: [drm:__drm_atomic_state_free [drm]] Freeing atomic state ffff8801fad12800 Jun 09 19:38:08 tinkpad kernel: [drm:drm_atomic_add_affected_connectors [drm]] Adding all current connectors for [CRTC:39:pipe B] to ffff88020f302800 Jun 09 19:38:08 tinkpad kernel: [drm:drm_atomic_check_only [drm]] checking ffff88020f302800 Jun 09 19:38:08 tinkpad kernel: [drm:drm_atomic_helper_check_modeset [drm_kms_helper]] Updating routing for [CONNECTOR:40:LVDS-1] Jun 09 19:38:08 tinkpad kernel: [drm:drm_atomic_helper_check_modeset [drm_kms_helper]] [CONNECTOR:40:LVDS-1] keeps [ENCODER:41:LVDS], now on [CRTC:32:pipe A] Jun 09 19:38:08 tinkpad kernel: [drm:intel_plane_atomic_calc_changes [i915]] [CRTC:32:pipe A] has [PLANE:26:primary A] with fb 67 Jun 09 19:38:08 tinkpad kernel: [drm:intel_plane_atomic_calc_changes [i915]] [PLANE:26:primary A] visible 1 -> 1, off 0, on 0, ms 0 Jun 09 19:38:08 tinkpad kernel: [drm:drm_atomic_commit [drm]] committing ffff88020f302800 Jun 09 19:38:08 tinkpad kernel: [drm:drm_atomic_state_default_clear [drm]] Clearing atomic state ffff88020f302800 Jun 09 19:38:08 tinkpad kernel: [drm:__drm_atomic_state_free [drm]] Freeing atomic state ffff88020f302800</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 assignee for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>