[pxc] Installation problem with "make"

[Alessandro Rubini]

> The only problem I have now is that I got no display (neither any error )
> when I run pxc_xgrab...

Then, probably, you are not getting any data from the device. Thus
the X application is stuck in the read() system call. You can check
that by running
	cat /dev/pxc0 > /tmp/pxc.pgm
or anything similar. If the "cat" command doesn't complete than that
is the problem.

You could also use "strace" to diagnose these problems (this is a generic
suggestion, not specific to this issue.

Also, you'll probably find some information in /var/log/kern.log or
equivalent file. And pxc_test may help as well.

Hope this helps, though late
/alessandro