[Bug 208443] New: [amdpgu] NAVI10 shutting second display off causes video corruption/crash on kernels >=5.7.6
bugzilla-daemon at bugzilla.kernel.org
bugzilla-daemon at bugzilla.kernel.org
Sun Jul 5 17:37:25 UTC 2020
https://bugzilla.kernel.org/show_bug.cgi?id=208443
Bug ID: 208443
Summary: [amdpgu] NAVI10 shutting second display off causes
video corruption/crash on kernels >=5.7.6
Product: Drivers
Version: 2.5
Kernel Version: >=5.7.6
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
Assignee: drivers_video-dri at kernel-bugs.osdl.org
Reporter: ironmikkl at gmx.net
Regression: No
Created attachment 290103
--> https://bugzilla.kernel.org/attachment.cgi?id=290103&action=edit
Kernel log when error occurs
I have a RX 5700 XT NAVI10 with (well almost) no problems but since kernel
5.7.6 came out there is a serious problem which makes the card practically
unusable. Kernel 5.7.7 brought no relief. With kernels <=5.7.5 all is OK.
The problem only occurs if I have both of my displays connected. One is a
monitor via DP, the other is a TV via HDMI. When I disable the TV so that I
only have my monitor active its screen shows some weird freezing behaviour and
sometimes goes completely grey for some seconds, then black and afterwards is
not really useable any more. If both displays stay active or only the TV is
active or I do not connect the TV in the first place there is no problem. I
have attached the kernel log for when the error triggers.
Some other info that may be of importance:
- kernel: gentoo-sources
- xfce4-4.14
- xorg-server-1.20.8
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