Re: [Dri-devel] Deadlock on mesa-4-0 and mesa-3-5 branches radeon drv?

[Keith W. <kei...@ya...>]

Jorge Luis Williams wrote:
> 
> Hello,
> 
> I've run into what appears to be a dead-lock while running tessellation
> demo by David Blythe which is included in the Glut-3.7 source
> distribution (glut-3.7/progs/advanced/tes.c)
> 
> I've been able to reproduce the problem on two different Intel Pentium
> III SMP machines (550, 850) both using radeon 64mb DDR cards. And I've
> been able to reproduce it in both the mesa-3-5 and mesa-4-0 branches.

I've been unable to reproduce this.  Maybe it's an SMP thing?  Can you try
booting one of your machines UP and try to reproduce?

> While running the demo the machine immediately locks up -- I'm unable
> to regain control of the X server at all and need to reboot.  It
> appears that the radeon driver obtains a hardware lock and just never
> releases it for some reason(?) It does this while emitting triangle
> strip vertices. As a work-around I've disable triangle strips by
> setting HAVE_TRI_STRIPS to 0 in radeon_render.c, and this works but
> it's not much of a solution.

Keith

_________________________________________________________
Do You Yahoo!?
Get your free @yahoo.com address at http://mail.yahoo.com