| Bug ID | 108294 |
|---|---|
| Summary | Turning off monitor via DisplayPort causes Kernel warning + stack trace |
| Product | DRI |
| Version | unspecified |
| Hardware | x86-64 (AMD64) |
| OS | Linux (All) |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | DRM/AMDgpu |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | jamespharvey20@gmail.com |
Created attachment 141955 [details]
kernel warning + stack trace - from when HDMI monitor is turned off and back on
Up to date Arch Linux, including: linux 4.18.12.arch1-1, xf86-video-amdgpu
18.1.0-1, mesa 18.2.2-1, opencl-mesa 18.2.2-1, xorg-server 1.20.1-1, and
plasma-desktop 5.13.5-1.
(Recently installed system that STARTED with: linux 4.18.9.arch1-1, mesa
18.2.1-1, and opencl-mesa 18.2.1-1.) It was also doing this then.
$ lspci -k | grep VGA
03:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Ellesmere [Radeon RX 470/480/570/570X/580/580X] (rev e7)
Subsystem: XFX Pine Group Inc. Ellesmere [Radeon RX
470/480/570/570X/580/580X]
Kernel driver in use: amdgpu
Kernel modules: amdgpu
It's the: XFX AMD Radeon RX 580 GTS Black Edition 8GB GDDR5 PCI Express 3.0
I have (5) Acer K272HUL bmiidp monitors hooked up via DisplayPort. Left 2 are
chained, and right 2 are chained.
ASRock EP2C602 Motherboard w/ P1.90 BIOS. (2) Intel Xeon E5-2690 (v1).
Anytime a monitor turns off, it causes a couple of kernel warnings and stack
traces. Usually 2-3 warnings each time.
When the monitor turns back on, it just logs what are I think are (3) expected
"[drm]" lines about the "new" connection.
See attached file for a sample of the kernel warnings/stack traces. The first
part is when a monitor turned off, and the last part is when it turned back on.
By turned off/on, I mean regardless of if I press its power button on the
monitor, pull the plug and plug it back in, or if a graphics issue somewhere in
a driver or graphics API turns off a monitor until I cycle it.
The only time I'm having this now is occasionally a few programs that use
OpenGL graphics. (Monitors turning off/back on was happening a lot with the
Acer-provided DisplayPort cables, but replacing them with certified Accell
UltraAV DisplayPort cables fixed that.)
When I turn it back on, KDE/Plasma properly re-adds it, gives it the right
resolution, rotation, and alignment next to the other monitors.
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