[Savage40] [Savage] Savage Command DMA

[Alex Deucher]

--- Jorge Mario <a00884729 at itesm.mx> wrote:
> Hi. Sorry to bother.
> 
> I'm George, another Savage user (what a luck!!, jeje). I wrote this 
> e-mail because I'm having some problems with the recent snapshots of
> the 
> driver. Here is the story:
> 
> I'm using:
> Ubuntu [Hoary version]
> Xorg 6.8.2 [precompiled by Ubuntu team, not CVS]
> Kernel 2.6.10
> (I attached the 'lspci' and 'glxinfo' output)
> My card is a 'S3 Inc. SuperSavage IX/C SDR', 16MB, using AGP 4x.
> 
> Here is my xorg.conf (at least the important part):
> 
> Section "Device"
>         Identifier      "S3 Inc. SuperSavage IX/C SDR"
>         Driver          "savage"
>         BusID           "PCI:1:0:0"
>         Option          "AGPMode"       "4"
>         Option          "DmaMode"       "Vertex"
>         Option          "ShadowStatus"  "true"
> EndSection
> 
> I'm using the following snaptshots:
> common-20050314-linux.i386.tar.bz2
> savage-20050314-linux.i386.tar.bz2 [Savage version 2.4.1]
> 
> Here is the problem (at last): Maybe I'm just an idiot and the error
> is 
> mine (in such case, I'd need your help and I would thank you), but I 
> think everything is well configured, the divers compiled, the module
> is 
> loaded at startup and glxinfo says that DRI is enabled. The problem
> is 
> that every 3D application freezes my PC (glxgears, tuxracer, etc.).
> I'm 
> sure it has something to do with the "Vertex DMA" (something like
> that), 
> because the snapshot savage-20050221-linux.i386.tar.bz2 [Savage
> version 
> 2.2.0] works fine for me. Using that old snapshot I get a message:
> 
> *** Disabling vertex DMA on SuperSavage. Someone has to find out, how
> to 
> make
> *** it work without locking up. To disable this message set option 
> enable_vdma
> *** to "false" in DRIConf.
> 
> But it works, and everything goes fine. Well it is a little slower
> than 
> the last time I tried it using Gentoo and installing the Xorg from
> the 
> CVS (if you can tell me why, It would be great, I guess it is because
> 
> everything is precompiled in Ubuntu). With the recent snapshot I
> tried 
> every possible value in the "DmaMode" flag, but didn't work at all. I
> 
> also tried adding:
> 
>        Option          "DmaType"       "PCI"
>        Option          "ForcePCIMode"  "true"
> 
> But it was still freezing my PC.
> 
> Well, thanks for your time, I hope you can help me. And thanks again
> for 
> your excellent job.

I think there should be a dri option to disable it.  see this page for
details:
http://dri.freedesktop.org/wiki/ConfigurationInfrastructure
Run xdriinfo to find out more.

Alex

> 
> Thanks.
> George
> 
> P.S. Please, excuse me, my English is very bad (I speak Spanish,
> hehe). 
> I would like to know when you read this e-mail, if you don't mind... 
> could you send me an e-mail?. Thanks :D.



		
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