via drm bug in kernel 2.6.20

Binary package hint: xserver-xorg-video-via

[ 58.417605] [drm] Initialized drm 1.1.0 20060810
[ 58.448574] [drm] Initialized via 2.11.0 20061227 on minor 0
[ 58.448859] ACPI: PCI Interrupt 0000:01:00.0[A] -> GSI 16 (level, low) -> IRQ 21
[ 58.452036] [drm] Initialized via 2.11.0 20061227 on minor 1
[ 58.483465] agpgart: Found an AGP 3.0 compliant device at 0000:00:00.0.
[ 58.483742] agpgart: Xorg tried to set rate=x12. Setting to AGP3 x8 mode.
[ 58.483948] agpgart: Putting AGP V3 device at 0000:00:00.0 into 8x mode
[ 58.484213] agpgart: Putting AGP V3 device at 0000:01:00.0 into 8x mode
[ 58.488809] [drm:via_mem_alloc] *ERROR* Attempt to allocate from uninitialized memory manager.
[ 58.853776] ppdev: user-space parallel port driver
[ 58.969141] irq 21: nobody cared (try booting with the "irqpoll" option)
[ 58.969174] [<c0154394>] __report_bad_irq+0x24/0x80
[ 58.969209] [<c015464e>] note_interrupt+0x25e/0x290
[ 58.969219] [<c012f754>] run_timer_softirq+0x144/0x1a0
[ 58.969251] [<c01538c0>] handle_IRQ_event+0x30/0x60
[ 58.969277] [<c0154f81>] handle_fasteoi_irq+0xc1/0xf0
[ 58.969301] [<c0105b70>] do_IRQ+0x40/0x80
[ 58.969330] [<c0104233>] common_interrupt+0x23/0x30
[ 58.969339] [<c0101e00>] default_idle+0x0/0x60
[ 58.969385] [<c011c092>] native_safe_halt+0x2/0x10
[ 58.969401] [<c0101e3d>] default_idle+0x3d/0x60
[ 58.969404] [<c0101409>] cpu_idle+0x49/0xd0
[ 58.969421] [<c03d77f5>] start_kernel+0x365/0x420
[ 58.969434] [<c03d7230>] unknown_bootoption+0x0/0x260
[ 58.969487] =======================
[ 58.969488] handlers:
[ 58.969490] [<f8e4a480>] (via_driver_irq_handler+0x0/0x1d0 [via])
[ 58.969500] Disabling IRQ #21