<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - i915 display link training after suspend/resume" href="https://bugs.freedesktop.org/show_bug.cgi?id=107679#c2">Comment # 2</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - i915 display link training after suspend/resume" href="https://bugs.freedesktop.org/show_bug.cgi?id=107679">bug 107679</a> from <a class="email" href="mailto:freedesktop@delyan.me" title="freedesktop@delyan.me">freedesktop@delyan.me</a> <pre>Created <a href="attachment.cgi?id=141311" name="attach_141311" title="dmesg from drm-tip (f1c0fce7feaa69409ec8a379fc78ef792f168d28)">attachment 141311</a> <a href="attachment.cgi?id=141311&action=edit" title="dmesg from drm-tip (f1c0fce7feaa69409ec8a379fc78ef792f168d28)">[details]</a> dmesg from drm-tip (f1c0fce7feaa69409ec8a379fc78ef792f168d28) drm-tip (f1c0fce7feaa69409ec8a379fc78ef792f168d28) actually does a lot worse. I observe the following: 1) Log into the user session 2) Plug in the dock with the two displays 3) Flash to black on laptop screen 4) AFAICT one of the two displays wakes up but only shows a mouse pointer on a black display 5) Moving the mouse pointer even a little bit renders it unresponsive (it freezes) 6) Unplugging the dock cable doesn't recover the system For reasons I don't understand, journalctl was unable to show me these boots (which I had to force-power-off from), so the dmesg is from the following: 1) Log in to the user session 2) Switch to a tty 3) Start dmesg -w | tee 4) Switch back to user session 5) Plug in dock 6) Wait a bit 7) SysRq emergency sync 8) Force power off Hope this helps, happy to try out other things too :)</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>