[ltp] Thinkpad T21 Accelerated video problem

[Efthym]

On Wed, 08 Mar 2006 14:58:47 -0500, Alex Deucher <alexdeucher@gmail.com>  
wrote:

> 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.log
>> 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
>

Thanks Alex. I can't seem to find any updates/development packages for  
6.9/7.0 under the Fedora repositories for FC4. Guess I'll have to wait  
till next week for FC5.

>>
>> 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  
>> is
>> >> working extremely well except I cannot find a repeatable combination  
>> of
>> >> video driver settings which will survive a reboot or cold start. When
>> >> working, performance is an acceptable increase from 70fps to 355fps.  
>> The
>> >> 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  
>> to
>> >> 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
>> >
>> >  ===================
>> > --
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>> > http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
>> >
>>
>>
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>>
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