Xorg 7.6_1 crashes with ATI Mach64 GR Dell FP 2001 using VGA connector

[Alex Deucher]

On Thu, Jan 15, 2015 at 11:17 PM, Felix Miata <mrmazda at earthlink.net> wrote:
> xorg at lists.killian.com composed on 2015-01-15 18:40 (UTC-0800):
>
>> I've got an old 1U server running openSUSE 13.2 which comes with Xorg
>> 7.6_1. Most of the time it is headless, but I would like to be able to use
>> X occasionally. Unfortunately out of the box the X server crashes.
>
>> The Monitor is a Dell 2001 FP, which is natively 1600x1200, but since this
>> is over a D-sub connector, I need to use 1024x768 (probably 60Hz, or maybe
>> 75Hz).
>
> Why is that so?
>
> My Dell 2000FP, which is natively 1600x1200, made January 2003, does all
> supported modes over both D-sub and DVI using various ATI, Intel & Nvidia
> gfxchips newer than yours. I don't have any Mach64 cards I could try though.

A lot of mach64 server chips only had 2 or 4 MB of vram.  Not enough
for 1600x1200.

>
>> This works fine in the OS install and GRUB2, but Xorg just crashes after
>> the newly installed system boots. I am looking for suggestions on xorg.conf.d
>> entries that will make it work. I have tried a lot of things, including using
>> the vesa driver and ati driver,
>
> I dont' know that mach64 was ever supported by the "ati" driver. A mach64
> driver is on the mirrors, and almost certainly requires KMS be disabled.
>

The ati driver is a wrapper that loads either radeon, r128, or mach64
depending on the pci id.

Alex