On Sat, 6 Apr 2002, F. Heitkamp wrote:
> I've posted some previous messages about the Xserver
> problem I am having. I have a G4 533 dualie Snakebit
> I am running Debian unstable. I am using ICEWM.
> The machine came with the GForce 2MX.
>
> When I start up X it runs for several minutes fine.
> At some point it appears to stop. I can still move
> the mouse cursor around. I put a debug statement
> in nv_xaa.c at the suggestion of Mark V. The statement
> checks if NVSebsequentScanlineCPUToScreenColorExpandFill
> arguments w and h are ever zero.
>
> I put in a statement like this:
> if( w==0 || h==0 )
> ErrorF( "w=%d, h=%d\n", w, h );
>
> I've looked through the XFree log and no error was
> printed. Where should this error message go if it
> is triggered?
It would have gone to the XFree86.0.log.
I don't know what would be causing this. I thought maybe
the BigEndian color expansion code in XAA had some bugs in
it, but it doesn't sound like it. I'm still under the impression
that this is due to color expansion and not due to power management
or something else.
Can you try disabling color exapansion with
Option "XaaNoScanlineCPUToScreenColorExpandFill"
In the section device? When you do that the driver
should stop reporting
Indirect CPU to Screen color expansion
in the XAA section of the log file. If that makes it go away I
think we may just have to disable color expansion on PPC.
I'm assuming other people have seen this problem? Can't say
that I have, but I haven't logged much time on PPC.
Mark.
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