Re: Two monitors, one at a time

[Aivils <ai...@un...>]

On Monday 27 December 2004 02:19, Pedro Hernandez wrote:
> I am trying to set up a box with two monitors. I have compiled both
> 2.4.27 and 2.6.9 but reached best results with the latter. However, I
> have some problems.
>=20
> Using grub I have append=3D=94dumbcon=3D3=94 but when I try to start X wi=
th a
> vt higher then 16, X says that the vt doesn't exist. Don't know if it
> is important.

It is quite important.
# cat /proc/cmdline
command should show kernel startup commandline. You can make
sure dumbcon parameter.
=20
> The USB keyboard doesn't show up in /proc/bus/console/*/* (the serial
> is there and a line with VGA+.=20

Here should exist multiple directories
/proc/bus/console/00
/proc/bus/console/01

> I can use the USB with =93Dev Phys=94 so it=20
> isn't that dramatic). Am I missing something while compiling the
> kernel?

# cat /proc/bus/input/devices
shows USB devices ?

> When I start the second instance of X the first monitor goes black. I
> can switch back to the first, but then the second goes black etc.=20

Looks like You use standard kernel, which one not allow multiple
current /dev/ttyXX
# uname -a
shows kernel version.=20

> Since=20
> I haven't been able to find the patch for X nor a precompiled one, I am
> using unpatched X with Option "PciOsConfig" "1" in both config files. I
> also do =93echo =931=94 > /proc/bus/pci/hackvideo=94 before I start X. Wh=
at may
> be the cause (Kernel is wrong configured, the hardware, is it that I
> use unpatched X or something else)?
>=20
> Using sis (SiS 300 I think) and nv (GF400) drivers for the video cards
> and Debian Sarge. I have tried precompiled kernels from Andreas
> Schuldei: with 2.4.21 my box doesn't boot and with 2.6.0 X doesn't
> start. It seems that Schuldei have made precompiled Xfree86 available
> for debian, but not sure how to use or if it is good for sarge (can't
> use sid).

Motherboard built in video (SIS) will not work :(  You will borrow
addtional video and check it out.

Aivils