kern/57334: FreeBSD-Stable/Radeon7500, X server freeze while running opengl applications.

[Shobaki sam.]

>Number:         57334
>Category:       kern
>Synopsis:       FreeBSD-Stable/Radeon7500, X server freeze while running opengl applications.
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Sep 28 17:00:33 PDT 2003
>Closed-Date:
>Last-Modified:
>Originator:     Shobaki sam.
>Release:        FreeBSD 4.9-PRERELEASE i386
>Organization:
none
>Environment:
System: FreeBSD progeny.zone.org 4.9-PRERELEASE FreeBSD 4.9-PRERELEASE #2: Sun Sep 28 20:40:09 CEST 2003 luna at progeny.zone.org:/usr/src/sys/compile/PROKE i386

	card: Device 0x4c57 Radeon 7500 M7
        kernel drm	
	XFree server 4.3.0, version 11 of the package
	Problem exists since mid April 2003

>Description:
	
	When running opengl applications, X server become, after a while, unresponsitive, and
	everything on the screen seems to slow down, keyboard become very long to respond
	(and don't respond at all after a moment), and mouse same as keyboard.

>How-To-Repeat:

	Run an opengl application as simple as setting up an opengl window.
>Fix:

	Setting RADEON_NO_IRQS=1 in the environment resolve the problem.

>Release-Note:
>Audit-Trail:
>Unformatted: