Comment 487 for bug 312756

Asus 1215N, Slackware-13.1 32-bit, self-made 2.6.38.2 Linux kernel.

lspci sees all 2 video devices.

during kernel boot:

vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
vgaarb: device added: PCI:0000:04:00.0,decodes=io+mem,owns=none,locks=none
vgaarb: loaded

during NVidia module probe:

nvidia: module license 'NVIDIA' taints kernel.
Disabling lock debugging due to kernel taint
nvidia 0000:04:00.0: power state changed by ACPI to D0
nvidia 0000:04:00.0: power state changed by ACPI to D0
nvidia 0000:04:00.0: enabling device (0000 -> 0003)
nvidia 0000:04:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
nvidia 0000:04:00.0: setting latency timer to 64
vgaarb: device changed decodes: PCI:0000:04:00.0,olddecodes=io+mem,decodes=none:owns=none
NVRM: loading NVIDIA UNIX x86 Kernel Module 260.19.44 Sun Feb 27 21:30:31 PST 2011
ioremap error for 0xaf660000-0xaf661000, requested 0x10, got 0x0

during X.Org start:

(WW) VGA arbiter: cannot open kernel arbiter, no multi-card support
(**) NVIDIA(0): Depth 16, (--) framebuffer bpp 16
(==) NVIDIA(0): RGB weight 565
(==) NVIDIA(0): Default visual is TrueColor
(==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)
(**) Apr 09 18:38:17 NVIDIA(0): Enabling RENDER acceleration
(II) Apr 09 18:38:17 NVIDIA(0): Support for GLX with the Damage and Composite X extensions is
(II) Apr 09 18:38:17 NVIDIA(0): enabled.
(II) Apr 09 18:38:18 NVIDIA(0): NVIDIA GPU ION (GT218) at PCI:4:0:0 (GPU-0)
(--) Apr 09 18:38:18 NVIDIA(0): Memory: 524288 kBytes
(--) Apr 09 18:38:18 NVIDIA(0): VideoBIOS: 70.18.82.00.0b
(II) Apr 09 18:38:18 NVIDIA(0): Detected PCI Express Link width: 1X
(--) Apr 09 18:38:18 NVIDIA(0): Interlaced video modes are supported on this GPU
(--) Apr 09 18:38:18 NVIDIA(0): Connected display device(s) on ION at PCI:4:0:0
(--) Apr 09 18:38:18 NVIDIA(0): none
(EE) Apr 09 18:38:18 NVIDIA(0): No display devices found for this X screen.