SGI O2 kernel fb driver vs Xserver

[Андрей Рандрианасулу]

Hi list!

I have SGI O2 workstation, and gentoo Linux distro 
installed in root-on-NFS mode. Kernel - self-compiled 2.6.29-rc5-0300 (with gcc-4.3.3), system was mostly recompiled with glibc-2.9, gcc 4.3.3, binutils 2.19.1. Console apps works fine, in framebuffer mode (1024x768-24 at 75, allocation of 4mb RAM was defined  at compile time).

But xserver (1.5.3 + gentoo patches) gives me error:

(EE) FBDEV(0): FBIOPUT_VSCREENINFO succeeded but modified mode                  
(EE) FBDEV(0): mode initialization failed

I think this msg comes from hw/xfree86/fbdevhw/fbdevhw.c and was added in late 2006

commit f6815cb68b0f6698497348fc6e4214dacef33b95
Author: Michel DÃ?nzer <michel at tungstengraphics.com>
Date:   Sat Dec 30 10:18:28 2006 +0100

    fbdevhw: Consolidate modeset ioctl calling, report failure if it modifies mo
de.

Google points me at https://bugzilla.novell.com/show_bug.cgi?id=285523 , i'm in process of rebuilding xserver (just 1.5.3, without gentoo-specific patches) with debug set to 1. If i run into same kind of bug - it should be fixed on kernel (fb driver) side?

i'll open freedesktop.org bug with additional info, when compilation finishes ... (at least some kernel fb drivers give very same error message - http://www.mail-archive.com/debian-arm@lists.debian.org/msg09406.html)

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