Frequent lockups :(

[Olivier Fourdan]

Different implementations may use different code paths in server/drivers so
it's no issue in gnome does not necessarily mean a bug in xfce.

As a start, I guess best would be to ensure that the word "lock-up" is
correct to describe the problem.

 - Can you move the mouse pointer?
 - Do other windows refresh (e.g. the clock, animations, etc.)
 - Can you connect to the box remotely via ssh (assuming you have sshd
enabled)

It may that one app has an active grab on your pointer/keyboard and no
other application can interact then, but that would not be a lock-up.

Cheers,
Olivier

On 30 March 2016 at 07:06, brian <brian at meadows.pair.com> wrote:

> On Tue, 29 Mar 2016 11:15:10 -0500, you wrote:
>
> >+1 on it being worth moving to 4.12. If this is an XFCE bug you've
> >identified, I _really_ doubt it exists in the current stack. It may also
> >not technically be a bug if it's related to external things that changed
> >in the meantime, whereas that branch is no longer the main effort.
> >
> Well, I downloaded the files to install the GNOME desktop, and also a
> couple of live images. Then I spent a day with intermittent use of the
> PC using Chromium as my browser, and got not a single crash.
>
> But OK, I will take the advice of you both, and see about installing
> 4.12. For reasons I've mentioned previously, I simply can't do this by
> moving to Sid, so it will have to be a case of me trying to build and
> install XFCE myself. Since I had a day with no crash using Chromium,
> there's somewhat less impetus, I think I'll set up a virtual machine
> to have a play with.
>
> I'll report back in a few days (again, the downloads will take me
> time, everything must be done between 0200 and 0700).
>
> Brian.
>
>
> >Olivier Fourdan wrote:
> >>
> >>
> >> On 29 March 2016 at 18:05, brian <brian at meadows.pair.com
> >> <mailto:brian at meadows.pair.com>> wrote:
> >>
> >>
> >>     I did try leaving the PC for an extended time (around 30 minutes)
> but
> >>     it was still non-responsive. There's no way for me to navigate
> >>     anywhere when it happens, neither keyboard nor mouse produce any
> >>     effect.
> >>
> >>
> >> ? You cannot really debug such problems from the system itself, best
> >> to to ssh to the machine from another box and try to see if a proc?ess
> >> is hogging on the CPU for example.
> >>
> >> It could also be that one X11 app is having an active grab on the
> >> pointer and keyboard, thus preventing any other user interaction (that
> >> appears like a lockup except that the screen still refreshes, the
> >> mouse pointer still moves, etc.)
> >>
> >> Also, xfce 4.10 is a bit old (even more considering the pace of xfce
> >> releases...) - But it's next to impossible to root cause such issues
> >> remotely, you need to first investigate on your side.
> >>
> >> Cheers,
> >> Olivier
> >>
> >>
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