[ 29.380561] [drm] radeon defaulting to kernel modesetting.
[ 29.380571] [drm] radeon kernel modesetting enabled.
[ 29.415409] [drm] initializing kernel modesetting (RV100 0x1002:0x5159).
...
[ 29.415952] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
[ 29.415958] [drm] Driver supports precise vblank timestamp query.
[ 29.415965] radeon 0000:01:00.0: Fatal error during GPU init
[ 29.415975] [drm] radeon: finishing device.
[ 29.415981] [TTM] Memory type 2 has not been initialized.
[ 29.415990] [drm] radeon: cp finalized
[ 29.419716] vga_switcheroo: disabled
[ 29.442342] radeon: probe of 0000:01:00.0 failed with error -22
...
[ 30.420090] vesafb: framebuffer at 0xe8000000, mapped to 0xf8380000, using
320k, total 320k
[ 30.420102] vesafb: mode is 640x480x8, linelength=640, pages=0
[ 30.420108] vesafb: scrolling: redraw
[ 30.420115] vesafb: Pseudocolor: size=0:6:6:6, shift=0:0:0:0
[ 30.420500] Console: switching to colour frame buffer device 80x30
[ 30.420533] fb0: VESA VGA frame buffer device
Looks like the drm did try to load but failed, and ultimately the vesa
framebuffer loaded instead.
Install xdiagnose and use it to disable vesafb entirely. Turn on Debug
Messages while you're at it (the first checkbox). Then restart your
computer and collect 'dmesg'.
** Changed in: xserver-xorg-video-ati (Ubuntu)
Status: New => Incomplete
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which is subscribed to xserver-xorg-video-ati in Ubuntu.
https://bugs.launchpad.net/bugs/757467
Title:
Radeon 7000VE (rv100) fatal error during GPU init
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