On 2011-01-19, Richard Lawrence <richard.lawre...@berkeley.edu> wrote:
> Thanks for your help, Liam! 
>
> Liam O'Toole <liam.p.oto...@gmail.com> writes:
>
>>> The background: this Macbook has an Intel graphics card.  lspci says it
>>> is a "Mobile 945GM/GMS, 943/940GM Express Integrated Graphics
>>> Controller."    
>>
>> Is the package xserver-xorg-video-intel installed? If it is, it should
>> configure the resolution automatically.
>
> Yes, it is installed.

Good.

>
>>> However, I suspect that there is deeper trouble afoot than simply a
>>> missing resolution in my X configuration.  When I start X, there is a
>>> brief moment of onscreen garbage (randomly colored bars, etc.) before
>>> the screen goes blank and stumpwm starts (in a lower resolution).  This
>>> leads me to believe that something in the auto-detection is failing and
>>> X is falling back to some default settings.  Unfortunately, I don't see
>>> anything in /var/log/Xorg.0.log that would indicate this (is there
>>> another log I should check?).
>>
>> Check the log for occurences of "intel". That will tell you whether the
>> correct driver is used.
>
> It looks to me like it is being used, but I'm not sure...what's all this
> about VESA?
>
> $ grep -i /var/log/Xorg.0.log
>
> (--) PCI:*(0:0:2:0) 8086:27a2:8086:7270 Intel Corporation Mobile 945GM/GMS, 
> 943/940GML Express Integrated Graphics Controller rev 3, Mem @ 
> 0x50380000/524288, 0x40000000/268435456, 0x50400000/262144, I/O @ 0x000020e0/8
> (--) PCI: (0:0:2:1) 8086:27a6:8086:7270 Intel Corporation Mobile 
> 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller rev 3, Mem @ 
> 0x50300000/524288
> (==) Matched intel as autoconfigured driver 0
> (II) LoadModule: "intel"
> (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so
> (II) Module intel: vendor="X.Org Foundation"
> (II) intel: Driver for Intel Integrated Graphics Chipsets: i810,
> (II) VESA(0): VESA VBE OEM: Intel(r) 82945GM Chipset Family Graphics Chip 
> Accelerated VGA BIOS
> (II) VESA(0): VESA VBE OEM Vendor: Intel Corporation
> (II) VESA(0): VESA VBE OEM Product: Intel(r) 82945GM Chipset Family Graphics 
> Controller
> (II) VESA(0): VESA VBE OEM: Intel(r) 82945GM Chipset Family Graphics Chip 
> Accelerated VGA BIOS
> (II) VESA(0): VESA VBE OEM Vendor: Intel Corporation
> (II) VESA(0): VESA VBE OEM Product: Intel(r) 82945GM Chipset Family Graphics 
> Controller

Oh dear. For some reason the intel driver bombs and vesa is used by X
instead. Are there any clues following the line "intel: Driver for Intel
Integrated Graphics Chipsets: i810,"?

[...]

-- 
Liam O'Toole
Cork, Ireland



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