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[Reiger <jm.ouwerkerk@xxxxxxxxx>]

I noticed the following entries in the boot dmesg messages:

[   17.846987] [drm] radeon defaulting to kernel modesetting.
[   17.846990] [drm] radeon kernel modesetting enabled.
[   17.847037] radeon 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[   17.847042] radeon 0000:01:00.0: setting latency timer to 64
[   17.849248] [drm] radeon: Initializing kernel modesetting.
[   17.863917] [drm] register mmio base: 0xDFDF0000
[   17.863920] [drm] register mmio size: 65536
[   17.863978] ATOM BIOS: 113
[   17.863993] [drm] Clocks initialized !
[   17.864016] mtrr: type mismatch for c0000000,10000000 old: write-back new: write-combining
[   17.864019] [drm] Detected VRAM RAM=256M, BAR=256M
[   17.864020] [drm] RAM width 64bits DDR
[   17.869406] [TTM] Zone  kernel: Available graphics memory: 1996288 kiB.
[   17.869422] [drm] radeon: 256M of VRAM memory ready
[   17.869424] [drm] radeon: 512M of GTT memory ready.
[   17.869462]   alloc irq_desc for 29 on node -1
[   17.869464]   alloc kstat_irqs on node -1
[   17.869473] radeon 0000:01:00.0: irq 29 for MSI/MSI-X
[   17.869478] [drm] radeon: using MSI.
[   17.869506] [drm] radeon: irq initialized.

Perhaps booting with radeon.modeset=0 fixes this; or booting with
pci=nomsi ( https://bugs.launchpad.net/ubuntu/+source/linux/+bug/509273
)

-- 
random crashes with free driver, but not fglrx (ATI Radeon HD 4350)
https://bugs.launchpad.net/bugs/565790
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