http://bugs.freedesktop.org/show_bug.cgi?id=10259
Summary: Incompatibility between radeonfb and Xorg DRI on a
Radeon X550 (r300)
Product: DRI
Version: unspecified
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: General
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
Since I bought my new Radeon X550 PCIe I've been using the vesafb driver for
the console framebuffer (1024x768 24 bit).
Today I decided to test the radeonfb driver hoping to get a better refresh rate
but the console was stuck to the default VGA 80x25. Looking through the kernel
sources I noticed that the pci id of my card (5B63) was missing so I added the
definition to drivers/video/aty/radeon_base.c, I recompiled the kernel
(radeonfb builtin without other fb drivers) and rebooted.
The console worked in a framebuffer mode with the desired refresh rate,
resolution and depth color, but when X started and the system switched to vt7
there was a lockup; the screen became blank and the system became unresponsive
to the keyboard, so I couldn't switch back to a console.
I could however login with ssh from another machine and I could see that the X
process was using 100% CPU and was unkillable. I saved the logs but apparently
there isn't anything of interest; a diff with a old Xorg.0.log shows just a new
IRQ for the dma control and some slightly different memory addresses.
Before rebooting, I modified xorg.conf and commented out the 'Load "dri"' line:
with this change X started again.
I'm using xorg 7.2, mesa 6.5.2, libdrm 2.3.0, xf86-video-ati 6.6.3 and
xorg-server 1.2.99.901.
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