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SubjectRe: X and intelfb fight over videomode
On Thu, Nov 17, 2005 at 09:11:53AM +0800, Antonino A. Daplas wrote:
>David Härdeman wrote:
>> intelfb: Changing the video mode is not supported.

>Try booting with video=intelfb:1024x768-16@60,mtrr=0. Do not include
>the vga=0x318 option. This prevents intelfb from changing the videomode.

It seems that intelfb can't change it no matter what....booting with
video=intelfb:1024x768-16@60,mtrr=0 gives me the usual vga console and
no framebuffer. The following is printed during boot:
[...]
Linux agpgart interface v0.101 (c) Dave Jones
agpgart: Detected an Intel 855 Chipset.
agpgart: Detected 8060K stolen memory.
agpgart: AGP aperture is 128M @ 0xe0000000
[drm] Initialized drm 1.0.0 20040925
intelfb: Framebuffer driver for Intel(R) 830M/845G/852GM/855GM/865G/915G chipsets
intelfb: Version 0.9.2
ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 11
ACPI: PCI Interrupt 0000:00:02.0[A] -> Link [LNKA] -> GSI 11 (level, low) -> IRQ 11
intelfb: 00:02.0: Intel(R) 852GM, aperture size 128MB, stolen memory 8060kB
intelfb: Non-CRT device is enabled ( LVDS port ). Disabling mode switching.
intelfb: Video mode must be programmed at boot time.
[...]
On the other hand, the vga=0x318 gives a 1024x768 console (and the vc
<-> X fight) with the following messages during boot:

[...]
Linux agpgart interface v0.101 (c) Dave Jones
agpgart: Detected an Intel 855 Chipset.
agpgart: Detected 8060K stolen memory.
agpgart: AGP aperture is 128M @ 0xe0000000
[drm] Initialized drm 1.0.0 20040925
intelfb: Framebuffer driver for Intel(R) 830M/845G/852GM/855GM/865G/915G chipsets
intelfb: Version 0.9.2
ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 11
ACPI: PCI Interrupt 0000:00:02.0[A] -> Link [LNKA] -> GSI 11 (level, low) -> IRQ 11
intelfb: 00:02.0: Intel(R) 852GM, aperture size 128MB, stolen memory 8060kB
intelfb: Non-CRT device is enabled ( LVDS port ). Disabling mode switching.
intelfb: Initial video mode is 1024x768-32@60.
intelfb: Changing the video mode is not supported.
Console: switching to colour frame buffer device 128x48
[...]
(I tried X in 1024x768-32bpp after seeing the messages from the vga=...
boot but the problems remained)

Suggestions?


//David
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