https://bugs.freedesktop.org/show_bug.cgi?id=97022
Bug ID: 97022
Summary: Garbage in windows while running a game windowed
Product: Mesa
Version: unspecified
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: major
Priority: medium
Component: Drivers/Gallium/radeonsi
Assignee: dri-devel at lists.freedesktop.org
Reporter: peter.mulholland at vpltd.com
QA Contact: dri-devel at lists.freedesktop.org
Created attachment 125226
--> https://bugs.freedesktop.org/attachment.cgi?id=125226&action=edit
Photograph of screen when the problem occurs
This is an odd one, as of posting I have only managed to reproduce this when
using a Virtual Programming OpenGL 3.2 based game, such as The Witcher 2. I
have not been able to reproduce it with Valve's Source games.
For example, If you run The Witcher 2 in windowed mode, and allow it to get to
the menu screen, doing anything with another window (such as resizing) causes
the display to turn to junk. Eventually the whole X11 display will be corrupt,
and only rebooting the system will clear it. Text mode TTY's are unaffected.
Occasionally, rather than corruption, the system will lock up, requiring a hard
reset or magic sysrq reset. I could not find a way to consistently reproduce
this though, whereas I can consistently reproduce the corruption.
Specs:
Xubuntu 16.04.1 LTS
Kernel 4.0.0-31-generic, x86_64
Mesa 12.1.0-devel (Padoka PPA)
DRM 2.43.0
GPU Radeon HD 7750 (CAPE VERDE PCI 1002:683F), 1GB VRAM
Xorg 1.18.3
Desktop Xfce4 4.12, using builtin compositor
Disabling the compositor makes no difference. Restarting Xorg when the fault
occurs makes no difference.
The bug is not present in the 11.2.0 release of Mesa shipped with Ubuntu 16.04
by default.
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