https://bugs.freedesktop.org/show_bug.cgi?id=87682
Bug ID: 87682
Summary: Horizontal lines in radeon driver on kernel 3.15 and
upwards
Product: Mesa
Version: git
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: major
Priority: medium
Component: Drivers/Gallium/r600
Assignee: dri-devel at lists.freedesktop.org
Reporter: qwrules at gmail.com
Created attachment 111292
--> https://bugs.freedesktop.org/attachment.cgi?id=111292&action=edit
Youtube video depicting the artefacts.
This is what I get if I run any kernel newer than 3.14:
https://www.youtube.com/watch?v=nx2-Fvihzxg
Those artefacts appear as soon as new kernel is selected in GRUB, and remain
after logging into X session.
The last kernel working without artefacts is v3.15-rc2-trusty for Ubuntu, and
3.14.7 for Arch. All later kernels have those artefacts.
I updated mesa and xorg to those form ppaibaf/graphics-drivers ppa on Ubuntu,
and on using git version on Arch but it did not change a thing. This regression
is solely kernel-related.
GPU: Mobility Radeon HD 3200 (RS780M)
System tested: Arch, Ubuntu 14.04, 14.10
Kernels affected: 3.15 and onwards (tested up to 3.19-rc1)
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