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[K12OSN] Problems after LTSP update: No local USB, LocalApps can no longer save to profile



Greetings,

I recently updated my ltsp image (which was working well) and i have now lost local devices.  I checked in lts.conf to see if the update had messed with my config, but everything there appears to be the same (both in /var/lib/tftpboot/ltsp/i386/lts.conf and /opt/ltsp/i386/etc/lts.conf).  Does anyone have any idea what has changed?  How can I fix this?

Also, it appears that local apps (I have firefox and OpenOffice running local, or I DID) can no longer save to profiles /home/username/ (now this is outside the chroot directory).  Before I could run the local apps (chrooted) and save to /home/username (outside chroot).  I was originally a little confused by that behaviour, but I got used it.  Now that its gone, I am at a loss.  I understand why the local app might not write/read the non-chroot directory, but the change has changed and created some logistical challenges.  How can I fix this? 

~Thanks for the help!

Mathieu Pelletier
Biblical Studies Department
Theological College of Zimbabwe

Tel:
+263 9 287032/3  Ext: 214

mpelletier tcz co zw
www.tczonline.com

Chat Google Talk: mkpelletier Skype: mathieu.pelletier


On 09/11/2010 06:00 PM, k12osn-request wrote:
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Today's Topics:

   1. Re: Sever load , calculating (Barry Cisna)
   2. Re: Sever load , calculating (Les Mikesell)
   3. ltsp-5.2.4-5.rpm's ready for testing (i686 & x86_64)
      (Gavin Spurgeon)
   4. Re: Sever load , calculating (Barry Cisna)
   5. Re: *NEW* ltsp-5.2.4-1.rpms are HERE !!!!!!!! (Brian Fristensky)
   6. Re: Sever load , calculating (Charlie)
   7. Re: *NEW* ltsp-5.2.4-1.rpms are HERE !!!!!!!! (Patrick Fleming)


----------------------------------------------------------------------

Message: 1
Date: Fri, 10 Sep 2010 12:59:29 -0500
From: Barry Cisna <cisna-barry wc235 k12 il us>
To: K12LTSP Mailing List <k12osn redhat com>
Subject: Re: [K12OSN] Sever load , calculating
Message-ID: <1284141569 18540 36 camel hi2 wc235 k12 il us>
Content-Type: text/plain

Hello All,

Thanks to all for ideas...

OK, I did find a couple interesting things in regards to CPU info.
(This is listed in dmesg as P4/Xeon Extended,,blah,,blah,,,)

When doing an cat /proc/cpuinfo  The OS is seeing the processor as only
1,so I must have jacked upped and didn't enable 'hyper-threading' in the
system bios. My bad. I think Monday I'll go into Bios and enable this
and see if the thing boots up alright? Anyone have any ideas on this
try?,,,:)

Also when I do an dmesg | grep CPU,,,I get a line saying 
" CPU0 Temperature above threshold,cpu clock throttled".
So I am guessing this could be hindering performance somewhat?
All fans appear correct as I popped open the case lid and they seem to
be spinning like mad as they should.

Also In regards to question when I run top,I never see any processes
eating cpu at all. This is what has me puzzled for the heavy loads
showing at times?

Take Care,
BC




------------------------------

Message: 2
Date: Fri, 10 Sep 2010 13:49:18 -0500
From: Les Mikesell <lesmikesell gmail com>
To: k12osn redhat com
Subject: Re: [K12OSN] Sever load , calculating
Message-ID: <4C8A7DAE 1020401 gmail com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

On 9/10/2010 12:59 PM, Barry Cisna wrote:
Hello All,

Thanks to all for ideas...

OK, I did find a couple interesting things in regards to CPU info.
(This is listed in dmesg as P4/Xeon Extended,,blah,,blah,,,)

When doing an cat /proc/cpuinfo  The OS is seeing the processor as only
1,so I must have jacked upped and didn't enable 'hyper-threading' in the
system bios. My bad. I think Monday I'll go into Bios and enable this
and see if the thing boots up alright? Anyone have any ideas on this
try?,,,:)

Also when I do an dmesg | grep CPU,,,I get a line saying
" CPU0 Temperature above threshold,cpu clock throttled".
So I am guessing this could be hindering performance somewhat?
All fans appear correct as I popped open the case lid and they seem to
be spinning like mad as they should.

Also In regards to question when I run top,I never see any processes
eating cpu at all. This is what has me puzzled for the heavy loads
showing at times?
The ide drives sound like the weak link in that system.  What do you see 
in %iowait with sar or iostat?  And what kind of times do you see as the 
lower number from 'htparm -t -T devicename'?  If it seems low, (below 
50MB/sec or so), look through dmseg or /var/log/messages to see how it 
is detected.  You should see something like:
hda: 488397168 sectors (250059 MB) w/8192KiB Cache, CHS=30401/255/63, 
UDMA(100)

If it isn't UDMA(100) or higher you might need a newer controller - or 
lower modes can be triggered by a bad or old style cable.


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