Re : Intel 855 hanging with xrandr

[manu]

On 06/13/2007 08:35:57 PM, Keith Packard wrote:
> On Wed, 2007-06-13 at 14:15 -0400, manu wrote:
> > 	Hi all,
> > I have latest git as of today (06/13) and I have 2 output for my
> laptop
> > (i855): the LFP and the VGA hooked up to my HDTV (1360*768).
> > If the hdtv is on evry xrandr command works : toogling on/off any
> > output, rearranging the layout with --above etc, but as soon as I
> shut
> > off the hdtv the next xrandr command will hang the computer (i do
> not
> > have a way to ssh into it so i can't say how hard but at least
> locally
> > there is no way to kill X).
> 
> Sounds like the X server is wedged somewhere. Without a stack trace,
> this will be very difficult to debug as I've never seen it do this
> (and
> can't think of a place where it would wait forever in any case).
> 
> > Also I remarked that if I do xrandr with the dtv hooked up but shut
> off
> > (either in standby or unplugged) the VGA says it is connected, only
> 
> > when I unplug the VGA cable does xrandr say that VGA is
> disconnected.
> 
> Yeah, the i855 can't tell if the external monitor is on or off; we
> simply measure the impedence of the load to detect whether something
> is
> plugged in or not.

Thx for the reply: I will try to debug X (I guess I need to run X under  
gdb, wait and the ssh from another computer), but that will wait a bit  
that I'm done with my exams ;-)
Bye
Manu

	

	
		
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