Long Delay then *Bam!

Hi there,

I have a 12.2 install running pretty much flawlessly on a Lenovo T430, flawlessly except one issue that keeps happening and used to happen on a 12.1 install on a T420 laptop.

The issue is randomly when opening a new application everything just hangs. You can still interact with the desktop, so you can find apps and click them but nothing happens. Same with in a terminal you can type but as soon as you hit return it sits there. It will sit there for a few minutes and then all of a sudden “bam” everything opens all at once.

Rebooted/Updated/Reinstalled OS and still this keeps happening.

Its not like a full hang, just totally random. Happened in both KDE and GNOME. Currently running GNOME. Also, if I ditch X all together it still happens.

Thanks in advance.

On 02/28/2013 07:26 PM, jeremywatco wrote:
> Thanks in advance.

if you open top in a konsole/x-term/etc and leave it open on your
desktop so that you can see it at all times…do you see one or more
processes jump to the top of top’s list and hog lots of CPU or RAM??

which processes might those be?


dd
openSUSE®, the “German Engineered Automobile” of operating systems!
http://tinyurl.com/DD-Caveat

Having had some experience on Intel HD4000 video chips, I suggest you try a 12.3 RC2 KDE LiveCD, boot from it and try to get it down on it’s knees. It could very well be the NVIDIA Optimus technology with openSUSE 12.1 that’s causing this. The newer kernel of 12.3 has lots of improvements, also in the Intel graphics field.

Thanks for the responses. I just have the Intel HD4000 in this T430, no optimus. I tried the 12.3 RC2 install and things were pretty crippled on the laptop, so I went back to 12.2. Its pretty random though, although it seems to happen pretty quickly once I fire up a VPN connection using Sonicwall’s NetExtender VPN Client.

On 03/03/2013 05:36 PM, jeremywatco wrote:
> happen pretty quickly once I fire up a VPN connection using
> Sonicwall’s NetExtender VPN Client.

are you running the Linux client?

maybe you need to touch base with the DELL folks…

maybe they have a newer version ready to use with your newer
kernel…or, maybe you have to run an old kernel!

and, you didn’t answer my earlier question!


dd

Well… I did a clean install without the VPN client and it still is acting up…

I’ll start up a terminal and keep top going to see if I can pinpoint it.

On 2013-03-03 20:46, jeremywatco wrote:
>
> Well… I did a clean install without the VPN client and it still is
> acting up…
>
> I’ll start up a terminal and keep top going to see if I can pinpoint
> it.

I’d suggest you run the long test of the smartctl program on your disk(s).


Cheers / Saludos,

Carlos E. R.
(from 11.4, with Evergreen, x86_64 “Celadon” (Minas Tirith))

Also I did finally get a good sampling of watching top as it was happening. Nothing is going on. Its as if the system is idle and then all of a sudden large spike when program actually opens.

On 2013-03-04 16:16, jeremywatco wrote:
> Also I did finally get a good sampling of watching top as it was
> happening. Nothing is going on. Its as if the system is idle and then
> all of a sudden large spike when program actually opens.

Then use iotop or iostat.
Also check the disk as I mentioned.


Cheers / Saludos,

Carlos E. R.
(from 11.4, with Evergreen, x86_64 “Celadon” (Minas Tirith))

Also if its a terminal window that was lagging coming up it will come up as a “I have no name@computername”

On 2013-03-04 16:36, jeremywatco wrote:
>
> Also if its a terminal window that was lagging coming up it will come up
> as a “I have no name@computername”

Maybe you have a name resolution problem on your computername.


Cheers / Saludos,

Carlos E. R.
(from 11.4, with Evergreen, x86_64 “Celadon” (Minas Tirith))

So… removed the sonicwall vpn client… everything ran smooth for a few days. Reinstalled and connected to tunnel… lagging again.

On 03/08/2013 03:16 AM, jeremywatco wrote:
>
> lagging again.

to me (imho) this is now clearly a networking problem while running
the sonicwall vpn client (something going on between your client and
the distant sonicwall gateway is triggering a flood of packets and
dragging your system through the syrup…here are some options to
consider:

-don’t use sonicwall vpn client

-try an opensource vpn client, there are lots available

-contact the sonicwall vpn client maker for assistance…or, you
might start by searching their forums/knowledge base as i doubt you
are the only sonicwall vpn client user to have ever faced this
problem–maybe you just need a newer client version…or a BIOS
upgrade, or flip a setup switch or or or or ???

-AFTER contact with the sonicwall folks

–if their tech folks fix you up, then return here and document what
was done (client upgrade from version X to Y, or whatever9

–or, if you have no solution, and since the source of the problem is
now known, post to the networking forum here with a subject line
kinda like

Sonicwall VPN client throttling my 12.2 on Lenovo T430

and in the new thread’s originating post mention things like:

-the symptoms you are seeing (and where seeing, iotop? desktop?)

-your desktop environment

-is your 12.2 32 or 64

-is there a VM involved

-what you have done so far…how you came to realize this symptom is
caused by your Sonicwall VPN client and a reference to this thread:
http://forums.opensuse.org/showthread.php?t=483707

-what the sonicwall technical support folks said…

-etc

note: unless the distant sonicwall is using some proprietary ‘tricks’
i’d expect any standard’s compliant open source vpn client to
relieve the symptoms–or, your networking setup is hosed (which is
why i think you need to be in the networking forum.)


dd
openSUSE®, the “German Engineered Automobile” of operating systems!

Sorry for the long delay. I was waiting for 12.3 to come out and then just got busy.

So I am back at this. 12.3 same issue.

Any recommendations on a linux SSL-VPN client? I can’t seem to get the openvpn client to connect for some reason.

Last thing to mention… I’m using 64-bit distro right now… maybe I’ll go down to 32-bit (only have 4gb of ram anyways) and see if the same thing occurs.