https://bugzilla.novell.com/show_bug.cgi?id=679148 https://bugzilla.novell.com/show_bug.cgi?id=679148#c0 Summary: "radeon" driver initialization fails with "ring test failed" with Kernel Mode Setting enabled Classification: openSUSE Product: openSUSE 11.4 Version: Final Platform: x86-64 OS/Version: Other Status: NEW Severity: Major Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: marcianx@gmail.com QAContact: qa@suse.de Found By: --- Blocker: --- User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:2.0b12) Gecko/20110222 Firefox/4.0b12 SUMMARY This is on openSUSE 11.4 x86_64 with KDE 4.6.0 on a Dell XPS 630 with an ATI Radeon HD 4870. Booting a clean install with Kernel Mode Setting and no xorg.conf started with no 3D acceleration. It seems that there was a "ring test" failure when loading the radeon drivers in KMS mode. HARDWARE INFO $ lspci -nnk |grep -i vga 01:00.0 VGA compatible controller [0300]: ATI Technologies Inc RV770 [Radeon HD 4870] [1002:9440] OPENGL INFO (failed) $ LIBGL_DEBUG=verbose glxinfo |grep -i "\(render\|opengl\)" direct rendering: No OpenGL vendor string: Mesa Project OpenGL renderer string: Software Rasterizer OpenGL version string: 1.4 (2.1 Mesa 7.10) OpenGL extensions: *** WARNING: Direct Rendering is NOT enabled DMESG The attached file was created using: dmesg |grep -i '\(drm\|radeon\)' >bug_kms_dmesg_drm_radeon.txt The culprit seems to be a "ring test" failure. [ 2.680922] [drm] radeon: irq initialized. [ 2.680925] [drm] GART: num cpu pages 131072, num gpu pages 131072 [ 2.681507] [drm] Loading RV770 Microcode [ 2.687395] radeon 0000:01:00.0: WB enabled [ 2.884994] [drm:r600_ring_test] *ERROR* radeon: ring test failed (scratch(0x8504)=0xCAFEDEAD) [ 2.885013] radeon 0000:01:00.0: disabling GPU acceleration [ 2.902077] radeon 0000:01:00.0: ffff88021c028e00 unpin not necessary TEMPORARY WORK-AROUND Turning off kernel mode setting and using the following xorg.conf initializes the radeon driver successfully, although this results in other crashy behavior that will be described in another bug. Section "Device" Identifier "ATI" Driver "radeon" EndSection Section "DRI" Mode 0666 EndSection Section "Monitor" Identifier "InternalLCD" Option "DPMS" EndSection Section "Screen" Identifier "Default Screen" Device "ATI" Monitor "InternalLCD" DefaultDepth 24 SubSection "Display" Depth 24 Modes "1920x1200" EndSubSection EndSection Reproducible: Always -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.