On Sun, 21 Feb 2010, Juha Heinanen wrote:
> Cristian Ionescu-Idbohrn writes:
>
> I also tried the uvesafb thing (with variations), found on the same page,
> but no dice :( Errors:
>
> dmesg:[ 0.000000] Kernel command line:
> BOOT_IMAGE=/boot/vmlinuz-2.6.32-trunk-686
> root=UUID=3a698373-fa59-4797-8f33-64bd23cdee17 ro video=uvesafb
> acpi_osi=Linux nosplash
> dmesg:[ 1.416132] uvesafb: Intel Corporation, Intel(r)Poulsbo Graphics
> Controller, Hardware Version 0.0, OEM: Intel(r)Poulsbo Graphics Chip
> Accelerated VGA BIOS, VBE v3.0
> dmesg:[ 1.432749] uvesafb: VBIOS/hardware supports DDC2 transfers
> dmesg:[ 1.445338] uvesafb: monitor limits: vf = 60 Hz, hf = 47 kHz, clk
> = 69 MHz
> dmesg:[ 1.445604] uvesafb: scrolling: redraw
> dmesg:[ 1.445682] uvesafb: cannot reserve video memory at 0x3f800000
> dmesg:[ 1.445779] uvesafb: probe of uvesafb.0 failed with error -5
>
> dmesg.0:[ 12.749141] uvesafb: Intel Corporation, Intel(r)Poulsbo Graphics
> Controller, Hardware Version 0.0, OEM: Intel(r)Poulsbo Graphics Chip
> Accelerated VGA BIOS, VBE v3.0
> dmesg.0:[ 12.765943] uvesafb: VBIOS/hardware supports DDC2 transfers
> dmesg.0:[ 12.778535] uvesafb: monitor limits: vf = 60 Hz, hf = 47 kHz,
> clk = 69 MHz
> dmesg.0:[ 12.778800] uvesafb: scrolling: redraw
> dmesg.0:[ 12.778879] uvesafb: cannot reserve video memory at 0x3f800000
> dmesg.0:[ 12.778978] uvesafb: probe of uvesafb.0 failed with error -5
>
> perhaps the problems are due to your 2.6.32 kernel. what is written on
> the page works on debian lenny with 2.6.30 kernel from backports.
You may be right. Found some traces indicating that:
http://bbs.archlinux.org/viewtopic.php?pid=678831#p678831
Looks like a kernel regression then.
On the other hand, it might just be me. I may have missed something.
Come to think of it. Do I need to tell the kernel on the cmdline to not
use all RAM (reserve some RAM for video)?
On the same thread (see above), I found some info about another (Intel
closed source, of course, what else could one expect?) driver, IEGD, for
which Intel doesn't advertize gma500 compatibility, but others do:
http://www.nanoant.com/linux/compiling-kernel-iegd-10x-module-for-any-linux-distribution
Cheers,
--
Cristian
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