[Bug 59015] New: Steam Beta: Graphical Corruption in certain parts of application tied to "kernel rejected CS" messages

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=59015

          Priority: medium
            Bug ID: 59015
          Assignee: dri-devel at lists.freedesktop.org
           Summary: Steam Beta: Graphical Corruption in certain parts of
                    application tied to "kernel rejected CS" messages
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: adam.jorgensen.za at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: 9.0
         Component: Drivers/Gallium/radeonsi
           Product: Mesa

Created attachment 72495
  --> https://bugs.freedesktop.org/attachment.cgi?id=72495&action=edit
Major Graphical Corruption Occurring in Windows that are not Maximised

I am participating in the Steam Linux Beta and am experiencing graphical
corruption as captured in the screenshots attached to this ticket.

By starting Steam from the command-line I was able to observe logging messages
and noticed that every time a graphical corruption artifact occurs the
application outputs the message:

"radeon: The kernel rejected CS, see dmesg for more information."

An examination of dmesg reveals messages as follows:

"
[ 2491.179581] radeon 0000:02:00.0: r600_cs_track_validate_cb invalid tiling 6
for 0 (0x08110668)
[ 2491.179588] radeon 0000:02:00.0: r600_packet3_check:1913 invalid cmd stream
566
[ 2491.179592] [drm:radeon_cs_ib_chunk] *ERROR* Invalid command stream !
"

Relevant system info:

1.6ghz Core i7 CPU
8gb DDR3 RAM
Radeon HD 4570 with 512mb DDR2 VRAM using open-source XF86 ATI 7.0.0 drivers
10gb free on root, 30+gb free on home
Kernel 3.6, X.org 1.12.4, KDE 4.9.4 running with OpenGL Compositing
Primary display is 1440x900 laptop LCD, secondary is 24" 1920x1080 LCD

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