RE: i915 trouble -- IRQ being disabled

[Michel <mi...@tu...>]

On Tue, 2007-01-30 at 09:30 +0800, Xiang, Haihao wrote: 
> I have the same problem too. 
> I ran glxgears for a long time then glxgears got hung. I looked into it and found 
> the 915 interrupt handler wasn't called, so dev_priv->sarea_priv->last_dispatch is 
> not updated anymore. 

That sounds like a different problem, I think Dominik is only having
issues when switching to console. Is there any indication as to why the
interrupt handler is no longer called, e.g. something in the kernel
output?


> However the ring buffer works fine and the appropriate data 
> had been written into the hardware status page. The problem still happened after 
> I unloaded/loaded drm module. But this problem doesn't happen on another machine. 
> The following patch works fine for me (The IRQ is still disabled).

I'll leave it to others to decide whether the patch is a good idea, but
my gut feeling is yes.


-- 
Earthling Michel Dänzer           |          http://tungstengraphics.com
Libre software enthusiast         |          Debian, X and DRI developer