On my Mac
bsmith-laptop:~/Src/petsc-dev] barrysmith% echo $DISPLAY
/tmp/launch-r289TD/:0
I don't seem to have a problem with X when I change my IP address. I
carry my laptop around open it and use X and it pretty much always
works.
Barry
On Oct 28, 2009, at 8:02 PM, Satish Balay wrote:
> On Wed, 28 Oct 2009, Boyana Norris wrote:
>
>> Apart from the idiot reasons, X11 tests can easily fail on an Apple
>> laptop
>> because the X server becomes unusable every time the IP changes,
>> which is
>> fairly frequently. I don't really use X a lot and thus do not
>> restart the
>> server every time I move the laptop, so these tests fail almost all
>> the time
>> (but I've learned to ignore those errors).
>
> Linux on laptops used to have this problem - but it doesn't exist
> anymore.
>
> The reason is - x-server is now bound-to/listen-on a unix socket [:0]
> - and not a tcp socket [localhost:0] - so hostname change doesn't
> affect it. [from ps:]
>
> /usr/bin/Xorg :0 -nr -verbose -auth /var/run/gdm/auth-for-gdm-l9vnzI/
> database -nolisten tcp
>
> Not sure how this can be done on mac/windows..
>
> Satish
