My desktop siezes up every hour or so;
I can continue in the current desktop,
but cannot change to another desktop
or go to another application by clicking on an icon in the panel.

The problem cures itself in 20-30 seconds,
so it is not life-threatening.

I killall-ed upowerd, but that didn't do the trick.
There is nothing untoward in /var/log/messages.

The problem could be to do with Firefox or KDE or Fedora;
I'm not sure which.

I've seen a few comments on this,
but has anyone found a cure?


--
Timothy Murphy
e-mail: gayleard /at/ eircom.net
tel: +353-86-2336090, +353-1-2842366
s-mail: School of Mathematics, Trinity College Dublin


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On 12/31/2011 09:36 PM, Timothy Murphy wrote:
> My desktop siezes up every hour or so;
> I can continue in the current desktop,
> but cannot change to another desktop
> or go to another application by clicking on an icon in the panel.
>
> The problem cures itself in 20-30 seconds,
> so it is not life-threatening.
>
> I killall-ed upowerd, but that didn't do the trick.
> There is nothing untoward in /var/log/messages.
>
> The problem could be to do with Firefox or KDE or Fedora;
> I'm not sure which.
>
> I've seen a few comments on this,
> but has anyone found a cure?
>
>
FWIW, I'm running a fully updated F16/KDE system. Normally I have
Chrome, Thunderbird, and one or two VirtualBox VM's running...and maybe
Google Earth. I've got 8GB of RAM and swap is not being used. I run 6
desktops and have never seen a "lockup" or "stickiness" condition you've
described.

Where have you see others report this? I may have missed it on this
list....

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completely foolproof was to underestimate the ingenuity of complete
fools. -- Douglas Adams in "Mostly Harmless
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On Sat, 2011-12-31 at 14:36 +0100, Timothy Murphy wrote:
> My desktop siezes up every hour or so;
> I can continue in the current desktop,
> but cannot change to another desktop
> or go to another application by clicking on an icon in the panel.

gnome shell locks up for me at least once a day. I can continue working
in the apps I have open and that are up on the screen, but I can't
alt-tab to anything else, or open new apps. The entire top and bottom
bars cease to work.

> The problem cures itself in 20-30 seconds,
> so it is not life-threatening.

Once gnome shell locks up for me, it doesn't recover.

> I killall-ed upowerd, but that didn't do the trick.
> There is nothing untoward in /var/log/messages.

If I'm lucky and I have gnome terminal open, I can find the PID for
gnome shell and then send it a SIGHUP. That always restarts gnome
shell, making it usable again. The added bonus I get to stay signed
into my current gnome session.

Before I knew I could do the above, I always issued a
ctrl-alt-backspace, which kills my entire gnome session. However, I
still sometimes have to do this because I don't always have a terminal
front and centre, and sometimes switching to a tty (to restart
gnome-shell as above) doesn't work either.

> The problem could be to do with Firefox or KDE or Fedora;
> I'm not sure which.

I have found no pattern in my lock-ups. They are completely random.

> I've seen a few comments on this,
> but has anyone found a cure?

I'm not if you are experiencing the same problem I am. It sounds like
it's similar.

For the most part, I actually like gnome shell, but it's buggy. I miss
my old, stable Gnome 2.

Ranbir

--
Kanwar Ranbir Sandhu
Linux 2.6.41.4-1.fc15.x86_64 x86_64 GNU/Linux
10:35:14 up 18 days, 12:53, 2 users, load average: 1.42, 1.56, 1.39


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On 12/31/2011 08:36 AM, Timothy Murphy wrote:
> My desktop siezes up every hour or so;
> I can continue in the current desktop,
> but cannot change to another desktop
> or go to another application by clicking on an icon in the panel.
>
> The problem cures itself in 20-30 seconds,
> so it is not life-threatening.
>
...

>

You may want to turn off nepomuk/strigi indexing ... it can be
offensive at times ... and you may want to run a terminal with (h)top
running which may give you a clue what app is running if any or if its
something like IO problem ... failing hard drives can lead to a lack of
responsiveness ... so you may want to run a smart check as well.

Final thought - NFS mounts .. you have any? They can cause blips for
NFS home dirs ...


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On Saturday, December 31, 2011 07:36:56 AM Timothy Murphy wrote:
> My desktop siezes up every hour or so;
> I can continue in the current desktop,
> but cannot change to another desktop
> or go to another application by clicking on an icon in the panel.
>
> The problem cures itself in 20-30 seconds,
> so it is not life-threatening.
>
> I killall-ed upowerd, but that didn't do the trick.
> There is nothing untoward in /var/log/messages.
>
> The problem could be to do with Firefox or KDE or Fedora;
> I'm not sure which.
>
> I've seen a few comments on this,
> but has anyone found a cure?

I'm still on Fedora 15, not sure when I will upgrade.
I run KDE, kontact/kmail, pidgin, alternate between Firefox and google-chrome.

My reason for not upgrading, so far, my desktop has only 1 G of ram.

Even on Fedora 15, if I try to run Firefox + kmail + all of the friends,
(the friends being Nepomuk, Akonadi, and what they call in),
my system starts to swap.

Depending what I'm doing in Firefox, Firefox and it's friend,
the plugin-container, take lots of ram.

I will upgrade to Fedora 16 eventually, either when I can afford a new desktop,
or when I work up the courage to install on this desktop.

If possible, can you see the disk light on your desktop?
Is the disk light flashing when your desktop freezes up?

People may suggest reducing the memory footprint of Firefox.
I did a google search, found things to change in about:config,
disabled ram caching -- don't remember the change so do your own search,
disabled a number of Firefox plugins, all to control the memory footprint.

I actually created 2 scripts, use them at your own risk.
If my scripts are "bad" or "wrong", hopefully someone will tell us.

One script stops a number of services, including kontact (kmail).
The other script starts those services.
I always stop services before using Firefox or google-chrome.

rsewill@rsewill:~ <3:3> $ more bin/stopmemoryhogs
#!/bin/bash

declare -i sleeptime=30

# qdbus im.pidgin.purple.PurpleService /im/pidgin/purple/PurpleObject
PurpleCoreQuit

qdbus org.kde.kontact /MainApplication quit

# qdbus org.kde.kopete /MainApplication quit

sleep ${sleeptime}

declare printerapp=$(qdbus | grep printer-applet)
[ ! -z "${printerapp}" ] && qdbus ${printerapp} /MainApplication quit

akonadictl stop
# qdbus org.kde.kmix /MainApplication quit

sleep ${sleeptime}

qdbus org.kde.NepomukServer /nepomukserver quit

qdbus org.kde.korgac /MainApplication quit

rsewill@rsewill:~ <3:4> $ more bin/startmemoryhogs
#!/bin/bash

declare -i sleeptime=30

nepomukserver &
# pidgin -f &

sleep ${sleeptime}

akonadictl start
# kopete&
# kmix&

sleep ${sleeptime}

kontact&

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Ed Greshko wrote:

>> My desktop siezes up every hour or so;
>> I can continue in the current desktop,
>> but cannot change to another desktop
>> or go to another application by clicking on an icon in the panel.
>>
>> The problem cures itself in 20-30 seconds,
>> so it is not life-threatening.

> Where have you see others report this? I may have missed it on this
> list....

It was linked to the dbus bug with error messages
"Property get or set does not have an interface string as first arg"
which affected various applications, including upowerd, as in
<https://bugzilla.redhat.com/show_bug.cgi?id=743779>.

--
Timothy Murphy
e-mail: gayleard /at/ eircom.net
tel: +353-86-2336090, +353-1-2842366
s-mail: School of Mathematics, Trinity College Dublin


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On 12/31/2011 11:09 AM, Genes MailLists wrote:

On 12/31/2011 08:36 AM, Timothy Murphy wrote:

My desktop siezes up every hour or so;
I can continue in the current desktop,
but cannot change to another desktop
or go to another application by clicking on an icon in the panel.

The problem cures itself in 20-30 seconds,
so it is not life-threatening.


...

You may want to turn off nepomuk/strigi indexing ... it can be
offensive at times ...


Can you provide some info on where this is located? It sounds 'new' to
me....



and you may want to run a terminal with (h)top
running which may give you a clue what app is running if any or if its
something like IO problem ... failing hard drives can lead to a lack of
responsiveness ... so you may want to run a smart check as well.

Final thought - NFS mounts .. you have any? They can cause blips for
NFS home dirs ...



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On 12/31/2011 06:18 PM, Timothy Murphy wrote:
.
>
> It was linked to the dbus bug with error messages
> "Property get or set does not have an interface string as first arg"
> which affected various applications, including upowerd, as in
> <https://bugzilla.redhat.com/show_bug.cgi?id=743779>.
>

glad you tracked it down
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On 12/31/2011 08:09 PM, Robert Moskowitz wrote:
> On 12/31/2011 11:09 AM, Genes MailLists wrote:
..
>>
>> You may want to turn off nepomuk/strigi indexing ... it can be
>> offensive at times ...
>
> Can you provide some info on where this is located? It sounds 'new' to
> me....

K-menu->System Settings-> Desktop Search

gene
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On 01/01/2012 07:18 AM, Timothy Murphy wrote:
> Ed Greshko wrote:
>
>>> My desktop siezes up every hour or so;
>>> I can continue in the current desktop,
>>> but cannot change to another desktop
>>> or go to another application by clicking on an icon in the panel.
>>>
>>> The problem cures itself in 20-30 seconds,
>>> so it is not life-threatening.
>> Where have you see others report this? I may have missed it on this
>> list....
> It was linked to the dbus bug with error messages
> "Property get or set does not have an interface string as first arg"
> which affected various applications, including upowerd, as in
> <https://bugzilla.redhat.com/show_bug.cgi?id=743779>.
>

I see.... Are you seeing the indications in the bugzilla? That is,
excessive messages in /var/log/messages? You didn't mention that
originally?

--
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completely foolproof was to underestimate the ingenuity of complete
fools. -- Douglas Adams in "Mostly Harmless
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