https://bugs.freedesktop.org/show_bug.cgi?id=92420
Bug ID: 92420
Summary: X crash when with 2nd display connected via Display
Port
Product: xorg
Version: unspecified
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: critical
Priority: medium
Component: Driver/nouveau
Assignee: [email protected]
Reporter: [email protected]
QA Contact: [email protected]
Created attachment 118807
--> https://bugs.freedesktop.org/attachment.cgi?id=118807&action=edit
dmesg.display_port_problem.4.2.3-300.fc23.x86_64
I get a flood of kernel events from nouveau when connecting and disconnecting
my 2nd display via the display port cable.
Events start with this:
nouveau E[ PDISP][0000:01:00.0] INVALID_VALUE [UNK84] chid 0 mthd 0x0700 data
0x00052002
modinfo nouveau -n
/lib/modules/4.2.3-300.fc23.x86_64/kernel/drivers/gpu/drm/nouveau/nouveau.ko.xz
lspci -v | grep -i vga
01:00.0 VGA compatible controller: NVIDIA Corporation G92GLM [Quadro FX 2800M]
(rev a2) (prog-if 00 [VGA controller])
Errors come and go with connection/disconnection of the Display Port cable. So
long as I stay running in init 3, the primary laptop LCD continues to function.
Once I go init 5, X appears to start, and then just hangs.
I've attached dmesg output for boot-up, when I connect the display port, and
when I disconnect the display port.
Please let me know if I can help in any way.
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