On 23/05/14 09:37 AM, Christopher Judd wrote:
On Thursday, May 22, 2014 05:45:26 PM Gary Dale wrote:
> I'm running Debian/Jessie on an AMD64 system. The problem I'm having is
> that every several minutes or so, KDE lock ups.
>
> It doesn't totally freeze but applications might get slow or even stop
> responding entirely for a minute or two. Dolphin is particularly bad. It
> seems to lock up the longest. However even a game like kreversi doesn't
> respond for a period. The mouse responds, as does keyboard input in
> konsole, but sometimes even Kicker (or whatever they're calling the
> launch bar these days) stops responding.
>
> Iceweasel and Icedove also stop responding when the system all but
locks.
>
> I've checked Top and Iotop but nothing seems to be causing excessive
> disk or cpu activity. Even virtuoso, which has been implicated in some
> slowdowns, seems to be behaving itself. Killing it doesn't help.
>
> I've been working in Gnome for the last half hour without incident, so
> It's probably not a hardware or network issue. However, I prefer KDE and
> would like to get back to it.
>
> Any ideas?
I don't have any idea what is causing this, but I have KDE setup with
six virtual desktops. When an application freezes (Opera or Dolphin,
usually), switching desktops and returning generally fixes it. It
doesn't happen nearly as often as you describe, however, maybe a few
times a day.
Thanks Chris, but it's not the same problem. Switching virtual desktops
has no effect in my case. And the lockup appear to be periodic - about
every 10 - 15 minutes, lasting a minute or two.
There also appears to be continuous disk activity at the time, but iotop
doesn't show any particular application hogging the disk. Interestingly,
I can launch kreversi and it will often appear on the desktop while this
is happening, but I won't be able to make a move in it until the lockup
the finishes. However, top also doesn't show any unusual cpu activity.
I had been suspecting a hardware or network issue (I had a similar
problem twice recently - once resolved by reducing my nfs share
connections and the other by replacing a network switch), but this time
switching to Gnome from KDE corrected the problem. Since I have the same
applications running (including dolphin and kontact) plus an extra
terminal (to launch konsole) over the same number of desktops, this
indicates that it is something in the kde desktop environment.
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