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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