Yes, it may happen the hostname has changed during the time. On 22 December 2011 01:50, Julien Cristau <jcris...@debian.org> wrote:
> On Wed, Dec 21, 2011 at 14:30:23 +0700, Yevgeny Kosarzhevsky wrote: > > > Package: xorg > > Version: 1:7.6+10 > > Severity: important > > > > After some time the running X session becomes unusable, since it can't > run any new process. Here is some terminal output: > > > > ~$ xhost + > > No protocol specified > > xhost: unable to open display ":0" > > ~$ echo $DISPLAY > > :0 > > > > All started tasks continue to run. > > > Did you change your hostname? > > Cheers, > Julien > -- Regards, Yevgeny