On Fri, 2011-06-17 at 19:46 -0430, Patrick O'Callaghan wrote:
> On Fri, 2011-06-17 at 15:03 -0700, Jonathan Ryshpan wrote:
> > Investigating a hanging instance of googleearth (wich process number
> > 3110), I noticed that it's possible to
> > cd /proc/3110
> > while on the other hand
> > ls /proc
> > does not show 3110 as being in the proc directory.
> >
> > Any ideas what's going on?
> I can't imagine how that could happen, unless the directory entry
> disappeared between you doing the cd and the ls, perhaps because the
> process terminated. OTOH is you can reproduce this reliably, it could
> merit a Bugzilla report.
There's been a suggestion of a race condition. Possibly, but if so it
was a very slow race. The condition persisted over (I'd say) at least
10 minutes, during which time I did a number of "cd"s and "ls"s,
repeatedly getting the results reported above. Unfortunately by now,
it's no longer possible to "cd /proc/3110" on the system.
If the condition ever repeats, I'll report further. I was prompted to
look by the existence of
/home/jonrysh/.googleearth/instance-running-lock
(which is supposed to be a symbolic link to /proc/<googleearth-process>)
at a time when googleearth was not running. Others may want to
investigate when this happens, which it does for me every month or so.
jon
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