<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [skl] [drm] BUG: unable to handle kernel NULL pointer dereference at (null) [drm_kms_helper]" href="https://bugs.freedesktop.org/show_bug.cgi?id=100727#c2">Comment # 2</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [skl] [drm] BUG: unable to handle kernel NULL pointer dereference at (null) [drm_kms_helper]" href="https://bugs.freedesktop.org/show_bug.cgi?id=100727">bug 100727</a> from <a class="email" href="mailto:b.blaine.gardner@gmail.com" title="Blaine Gardner <b.blaine.gardner@gmail.com>"> Blaine Gardner</a> <pre>I am seeing the same issue on a Dell Precision 5510 when I plug my docking station (with 2 connected screens) into my laptop. The system works if it is started with the dock attached. This is a new issue that has popped up sometime after early March. > May 02 09:47:47 grim kernel: BUG: unable to handle kernel NULL pointer dereference at (null) > May 02 09:47:47 grim kernel: IP: drm_dp_get_mst_branch_device+0xc8/0x110 [drm_kms_helper] > -- Reboot -- Hardware: Dell Precision 5510 / i915 / i7-6820HQ Kernel: 4.10.10-1-default xorg-server: xorg-x11-server-1.19.3-1.1.x86_64 xf86-video-intel: not installed</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> <li>You are the assignee for the bug.</li> </ul> </body> </html>