Re: [XFree86] strange ATI Radeon 9000 crash

2003-02-06 Thread Tero Laitinen 
 There is a fix in the 4.2.99.901 DRM which may help stability, but if it
 doesn't, try a lower AGP transfer rate.

I upgraded to 4.2.99.901. The fix didn't work but lowering AGP transfer rate 
seemed to prevent X from crashing. Thanks.

  Another interesting thing is
  (II) RADEON(0): [drm] failure adding irq handler, there is a device
  already using that irq
  [drm] falling back to irq-free operation
 
  Direct rendering fails to assign IRQ for device and DRI isn't then fast
  at all..

 This shouldn't hurt performance, the IRQ is primarily used to reduce CPU
 usage. Why do you think it's slow?

Because it isn't any faster than without DRI. Glxgears gets lousy 100 fps. 
Even my laptop with ATI Rage Mobility gets about 180 fps.

Glxgears says: IRQ's not enabled, falling back to busy waits: 7 0 0 
Does this affect FPS?

Best regards,

Tero Laitinen
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[XFree86] strange ATI Radeon 9000 crash

2003-02-05 Thread Tero Laitinen 
Hello,

I'm using cvs version of XFree. I use radeon.o supplied with XFree. My kernel 
is 2.4.20 and it has no direct rendering compiled in.

The problem is: a total lockup occurs when:

1) starting X, shutting down and starting X again.
2) starting X and switching to text terminal (eg. Ctrl-Atrl-F1) and back to X.

In this case, a total lockup means:
1) black screen
2) no response to mouse and keyboard input
3) no response to ping from my laptop.
- hard reboot

Homewer, it does not crash when direct rendering is not enabled. Thus, kernel 
module 
/xfree/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/radeon.o 
seems to be causing all the problems. I install it using insmod and it 
reports: [drm] AGP 0.99 aperture @ 0xc 256MB
[drm] Initialized radeon 1.7.0 20020828 on minor 0

A complete XFree86's log can be found at 
http://tlaitinen.kompassi.com/XFree86log.html

Another interesting thing is 
(II) RADEON(0): [drm] failure adding irq handler, there is a device already 
using that irq
[drm] falling back to irq-free operation

Direct rendering fails to assign IRQ for device and DRI isn't then fast at 
all..

I would really appreciate if you pointed out what I have done wrong.

Thanks in advance,

Tero Laitinen
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