[ltp] Thinkpad T21 Accelerated video problem

[Alex Deucher]

On 3/8/06, Efthym <efthym@gmx.net> wrote:
> Hi
>
> On Wed, 08 Mar 2006 10:36:17 -0500, Alex Deucher <alexdeucher@gmail.com>
> wrote:
>
> > Sorry for the top post.  try:
> > Option "DmaMode" "None"
> >
>
> I tried "DmaMode" "None" and "Any" but it doesn't seem to work. Xorg.0.lo=
g
> says:
>
> (WW) SAVAGE(0): Option "DmaMode" is not used
> (WW) SAVAGE(0): Option "BusType" is not used
>
> I'm using xorg 6.8.2 on FC4. I tried both the default driver and Tims but
> both have the same result.
> Any suggestions ?

neither 6.8.2 nor Tim's driver have these options.  they are specific
to 3D support which was not available until 6.9/7.0 was released.  If
you are having lock-up problems on 6.8.2, try enabling the
shadowstatus option.

Alex

>
> Efthym
>
>
> >
> > ---------- Forwarded message ----------
> > From: harry wert <hwert@earthlink.net>
> > Date: Mar 8, 2006 7:48 AM
> > Subject: Re: [ltp] Thinkpad T21 Accelerated video problem
> > To: linux-thinkpad@linux-thinkpad.org
> >
> >
> >  On Wed, 2006-03-08 at 00:35 -0500, Alex Deucher wrote:
> >
> >  On 3/7/06, harry wert <hwert@earthlink.net> wrote:
> >> Hello, I have a Thinkpad T21 running Ubuntu Dapper Drake. Everything i=
s
> >> working extremely well except I cannot find a repeatable combination o=
f
> >> video driver settings which will survive a reboot or cold start. When
> >> working, performance is an acceptable increase from 70fps to 355fps. T=
he
> >> internal video card is a Savage /IX-MV, with a chip ID of 8c12 which
> >> contains 8192kb of video memory. The accelerated video will not run in
> >> the
> >> 24 depth mode because it needs more than 8092kb of memory. I am able t=
o
> >> coax it tho run in the 16 depth mode with a lot of experimentation but
> >> all
> >> is lost on reboot or a cold start. When it fails to start I experience=
 a
> >> hard freeze which will require a power off shutdown to free up. On the
> >> next
> >> boot the screen appears to be attempting to find a workable video mode
> >> but
> >> will ultimately lock into a dark screen and a hard freeze. It is then
> >> necessary to boot up in the recovery mode and change the video depth
> >> from 16
> >> back to 24 to restore normal (no video acceleration) video operation. =
I
> >> have been searching with Google and reading whatever I can locate on
> >> this
> >> subject but seem to have struck out!
> >>
> >> The only video tool I can find to use is xvidtune which is not easy to
> >> use.
> >> Two questions:
> >>
> >> 1. Are there better tools out there for video tuning and adjustment
> >> such as
> >> SAX on SuSE?
> >>
> >> 2. Does anyone have a working xorg with acceleration on a T21 and
> >> Ubuntu?
> >>
> >> This is not a crisis - just a curiosity as I don't usually run many
> >> programs which require video acceleration.
> >>
> >> Thanks in advance for any comments and/or guidance in this matter.
> >>
> >
> > Try setting:
> > Option "BusType" "PCI"
> > AGP hasn't worked reliably on thinkpads with savages in a while.
> >
> > Alex
> >
> >> Harry Wert
> >> Physicist
> >>
> >>
> >
> >  Thanks Alex.  I incorporated your suggestion and major progress has
> > been achieved.  Now xorg reliably boots into the 16 depth mode and no
> > errors are reported in the xorg.0.0 log.  Unfortunately when I attempt
> > to use 3D using glxgears the program attempt to start but cannot
> > apparently find the correct mode for several seconds, then stops and
> > freezes the system into a hard lock.  Reboot restores the screen for
> > normal 16 depth again.  Another program I use for testing "TORCS" goes
> > to a full-scale dark screen but does not freeze the system.
> > Consequently I can go to another console and kill the process to
> > restore normal operation.  I'll continue to investigate as I have time
> > and report back if I find a solution.
> >
> >  Thanks for your help.
> >
> >  Harry Wert
> >  Physicist
> >
> >  =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> > --
> > The linux-thinkpad mailing list home page is at:
> > http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
> >
>
>
> --
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