[Bug 93644] New: System hard lockup when USB-C DP to HDMI adapter unplugged or unplugged/plugged and system suspended skylake cpu
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Fri Jan 8 22:19:37 PST 2016
https://bugs.freedesktop.org/show_bug.cgi?id=93644
Bug ID: 93644
Summary: System hard lockup when USB-C DP to HDMI adapter
unplugged or unplugged/plugged and system suspended
skylake cpu
Product: DRI
Version: XOrg git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Intel
Assignee: intel-gfx-bugs at lists.freedesktop.org
Reporter: sdainard at spd1.com
QA Contact: intel-gfx-bugs at lists.freedesktop.org
CC: intel-gfx-bugs at lists.freedesktop.org
Created attachment 120914
--> https://bugs.freedesktop.org/attachment.cgi?id=120914&action=edit
journelctl -k -b 1: Adapter/monitor plugged into laptop
# uname -m
x86_64
# uname -r
4.4.0-0.rc8.git0.1.fc24.x86_64
Distro: Fedora 23
Kernel is from Fedora rawhide (Fedora next)
System: Dell XPS 13 9350
Display connector: USB-C -> HDMI adapter
(http://www.monoprice.com/product?p_id=12905)
System locks up during suspend if an external monitor is connected and then
disconnected via a USB-C -> HDMI adapter.
If the external monitor is NOT disconnected, system does not lock up during
suspend.
If the external monitor is disconnected and reconnected, system WILL lock up.
System does NOT lock up if external monitor is never connected.
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