radeon dual head

[Alex Deucher]

On Dec 25, 2007 9:38 AM, Jethro Tull <heavytull at hotmail.com> wrote:
>
>
>
> > Date: Mon, 24 Dec 2007 11:36:41 -0500
> > From: alexdeucher at gmail.com
> > To: heavytull at hotmail.com; xorg at lists.freedesktop.org
> > Subject: Re: radeon dual head
>
>
> > > >What version of the
> > > > driver are you using?
> > > how do you check this information?
> >
> > Take a look at your xorg log (usually /var/log/Xorg.0.log). you
> > should see a line like this:
> > (II) ATI: ATI driver wrapper (version 6.7.197) for chipsets: mach64,
> > rage128, radeon
> >
> #less /var/log/Xorg.0.log
>  ....
> (II) LoadModule: "radeon"
> (II) Loading /usr/X11R6/lib/modules/drivers//radeon_drv.so
> (II) Module radeon: vendor="X.Org Foundation"
>         compiled for 1.3.0, module version = 4.2.0
>         Module class: X.Org Video Driver
>         ABI class: X.Org Video Driver, version 1.2
> (II) LoadModule: "ati"
> (II) Loading /usr/X11R6/lib/modules/drivers//ati_drv.so
> (II) Module ati: vendor="X.Org Foundation"
>         compiled for 1.3.0, module version = 6.6.192
>         Module class: X.Org Video Driver
>         ABI class: X.Org Video Driver, version 1.2
>
>
> (II) ATI: ATI driver wrapper (version 6.6.192) for chipsets: mach64,
> rage128, radeon
> (II) Primary Device is: PCI 01:00:0
> (II) Loading sub module "radeon"
> (II) LoadModule: "radeon"
> (II) Reloading /usr/X11R6/lib/modules/drivers//radeon_drv.so
> ....
>

you don't want the 6.6.19x series.  that was a stepping stone series
on the way to randr support.

> > >
> > > >The 6.7.19x series only supports multi-head via
> > > > xrandr. zaphod mode is not suppored. If you want to use zaphod mode,
> > > > you'll need either 6.6.3 or ati git master.
> >
> > As I said zaphod (screen based multi-head) only works with git master.
> > if you are using an older version take a look at xrandr:
> > http://www.intellinuxgraphics.com/dualhead.html
> >
>
> > >
> > >
> > > by the way i would like to know if this is normal tthat drm is never
> loaded.
> > >
> > > when i load it manually it says:
> > >
> > > root at slack12:/home/slackkk# modprobe drm
> > > FATAL: Error inserting drm
> > > (/lib/modules/2.6.21.5-smp/kernel/drivers/char/drm/drm.ko): Cannot
> allocate
> > > memory
> > >
> > >
> > >
> > > but the X interface works well, Open GL screen savers are Ok, some are
> slow.
> > > google earth is not hard accelerated at all, it is awfully slow and runs
> th
> > > CPU at 100%
> >
> > In that case I suspect the drm isn't loaded and you are probably using
> > SW rendering. Take a look at your xorg log or the output of glxinfo
> > to be sure.
> >
>
> #less /var/log/Xorg.0.log
> ....
> (II) RADEON(0): PCIE card detected
> drmOpenDevice: node name is /dev/dri/card0
> drmOpenDevice: open result is 9, (OK)
> drmOpenByBusid: Searching for BusID pci:0000:01:00.0
> drmOpenDevice: node name is /dev/dri/card0
> drmOpenDevice: open result is 9, (OK)
> drmOpenByBusid: drmOpenMinor returns 9
> drmOpenByBusid: drmGetBusid reports
> drmOpenDevice: node name is /dev/dri/card1
> drmOpenDevice: open result is -1, (No such device)
> drmOpenDevice: open result is -1, (No such device)
> drmOpenDevice: Open failed
> drmOpenByBusid: drmOpenMinor returns -19
> drmOpenDevice: node name is /dev/dri/card2
> drmOpenDevice: open result is -1, (No such device)
> drmOpenDevice: open result is -1, (No such device)
> drmOpenDevice: Open failed
> drmOpenByBusid: drmOpenMinor returns -19
> .....

yup looks like the drm isn't loaded. check the output of lsmod and dmesg.

Alex