RE: Will the behaviors of XFree86 be effected by different kernel?

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Sorry for late replying your email.
The situation is attached as the picture and we use the "rdesktop", a remote
connect tool to control English Server 2003, the text part will be broken.
1. After setting the option "XaaNoOffscreenPixmaps" or
"XaaNoScreenToScreenCopy" I can't reproduce the problem. I know these two
option will let the XAA determine whether it can call the call back
functions that driver registered in the beginning. 

2. If I reduce the memory size reported to FBmanager, less than 4Mb, it will
also disappear. I know this behavior will let the XAA generate less big
slots.

3. if I use xinit instead of windows manager to activate the Xserver,
execute "rdesktop" in xterm. It will disappear.

4. So far it only happens on the English Server 2003, and English XP is OK.

5. use kernel 2.4.X it will disappear, but kernel 2.6.X will fail.
I am right now studying the source codes to realize the relationships
between 1 and 2.
But I really confuse why the 3, 4 and 5 will happen.
I am not quite sure whether it was a bug of XAA, the windows manager or even
the driver's fault. But from 3, I guess it may not driver's fault.

If you have any opinions about this bug, please let me know.

Appreciate your help in advance.
Sincerely Yours,
cckuo


-----Original Message-----
From: Mark Vojkovich [mailto:mvojkovi@xxxxxxxxxxx] 
Sent: Thursday, July 27, 2006 1:13 AM
To: cckuo
Cc: xfree86@xxxxxxxxxxx
Subject: Re:  Will the behaviors of XFree86 be effected by
different kernel?


   I wouldn't expect the behavior of an XFree86 graphics driver to
change with a kernel except for, perhaps, something related to 3D
using the DRI.  I suppose it's also possible that a kernel
framebuffer device could interfere with an xfree86 driver in some
way.   The XFree86 sis driver has a "NoAccel" option you can use to
force software rendering.  If there is still rendering corruption
with that option, that would suggest that it's not a driver
acceleration problem.

                        Mark.


On Wed, 26 Jul 2006, cckuo wrote:

> Dear X friends:
> Recently I play the "rdesktop", a software like XP remote desktop, on
> XFree86 4.3.0.
> And the text will get blur only when I use Kernel 2.6.15.1 but it will
> disappear when I change to kernel 2.4.27.
> Since the accelerator in the XFree4.3.0 is XAA, are there some
acceleration
> in XAA will be effected by the kernel?
> Ps: My platform is sis741.
> Appreciate your help in advance.
> Sincerely Yours,
> cckuo
>
> _______________________________________________
> XFree86 mailing list
> XFree86@xxxxxxxxxxx
> http://XFree86.Org/mailman/listinfo/xfree86
>

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