[Bug 52491] New: radeon massive screen corruption BARTS HD6870

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=52491

           Summary: radeon massive screen corruption BARTS HD6870
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.8-rc
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Video(DRI - non Intel)
        AssignedTo: drivers_video-dri at kernel-bugs.osdl.org
        ReportedBy: maxijac at free.fr
        Regression: No


Created an attachment (id=90801)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=90801)
return to desktop after bad rendering

Hi,

I'm experiencing a major rendering corruption with linux 3.8 and my HD 6870.

software:
latest kernel from linus as of 2013-08-01
latest mesa git as of 2013-08-01
latest llvm from tstellar git as of 2013-08-01
latest DDX from git as of 2013-08-01
libdrm 2.4.40

Symptoms:

I triggered this several times running Heroes of Newerth. When a match starts,
sometimes The textures are all black, or sometimes my cursor is missing.
(It looks like my LLVM-enabled for the glsl compiler builds of mesa trigger the
black textures more often)

When this happens, quitting the game and returning to my desktop, everything is
garbled, things do not refresh correctly. See screenshot.

keeping the same userland and just downgrading to linux 3.7 solves everything.

Nothing gets added to dmesg...

I don't have much time for bisecting this, I'll try asap but it won't be before
some days, so if someone has similar hardware, please try to reproduce it. HoN
is free to play and natively runs on linux. (http://www.heroesofnewerth.com)

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