[Bug 44549] New: "Ring buffer test failed" on Radeon 5450

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=44549

             Bug #: 44549
           Summary: "Ring buffer test failed" on Radeon 5450
    Classification: Unclassified
           Product: DRI
           Version: XOrg CVS
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel at lists.freedesktop.org
        ReportedBy: ebischoff at nerim.net


linux kernel : 3.2.0
libdrm-radeon1 : 2.4.29
xserver-xorg-video-radeon : 6.14.99
motherboard : ASUS M2A-VM HDMI (*no* VIA chipset)
Graphics card : msi R5450 with 1 Gb onboard
RAM memory size : 4 Gb

Description : when booting, the message "Ring buffer test failed" appears in
dmesg log. A a consequence, the software rasterizer is chosen, and after X is
started, there is no 3D acceleration.

Workaround : when I add "mem=3G" to the kernel parameters, the message
disappears, and I get 3D acceleration. Of course, 1 Gb of RAM memory is lost
for the applications.

(log files will get attached to this bug report)

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