Dear Petr,
I think I might have something to add to this discussion, but then
again you probably know this already!
On Tue Jan 30 2001 Petr Vandrovec wrote:
> > > > Installed a Matrox G450 on my linux system. Now it has
> > > > problems booting. The kernel is compiled with framebuffer
> > > > support so is supposed to boot up with the Linux logo.
> > > > Unfortunately the systems hangs when the kernel switches to
> > > > the graphics mode. When I first boot into windoze and the
> > > > reboot to linux it works fine. So it looks like an
> > > > initialisation problem...
<snip>
> Windows drivers works around somehow, as after booting
> to Windows matroxfb works fine - but without Windows it is just
> pure luck.
I have a similar problem to the one outlined above with kernel 2.4.x
(hardware details below).
I don't have Windows installed on my machine, but I find that if I
cold boot to 2.2 (RH7) first and start up X (4.0.2 with Matrox driver
1.00.04 compiled in), I am then able to "shutdown -r now" and warm
restart to 2.4 with FB acceleration enabled. This generally works
fine
for me.
The 2.2 kernel I have (2.2.16 Redhat 7.0 standard) does not have FB
enabled
This isn't generally too much of a problem because 2.4.x is so
stable
I don't have to reboot for weeks!
> It looks like that if you compile 'agpgart' into kernel, chances
> that it will work are better, but I have also reports that it did
> not changed anything.
I have agpgart compiled directly in (not as a module) to the kernel,
but this does not seem to relieve any of the cold boot problems :-(
I'm willing to try out some patches if that would be useful.
Note: Please CC me as I'm not subscribed to l-k.
My hardware is:
Matrox G450
Duron 750
128 Mb Ram
Aopen AK33 m/b with VIA KT133 / 686A chipset
relevant lspci output:
01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP
(rev 82) (prog-if 00 [VGA])
Subsystem: Matrox Graphics, Inc.: Unknown device 0641
Flags: bus master, medium devsel, latency 64, IRQ 10
Memory at d8000000 (32-bit, prefetchable) [size=32M]
Memory at da000000 (32-bit, non-prefetchable) [size=16K]
Memory at db000000 (32-bit, non-prefetchable) [size=8M]
Expansion ROM at <unassigned> [disabled] [size=128K]
Capabilities: [dc] Power Management version 2
Capabilities: [f0] AGP version 2.0
John
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