OpenOffice insert graphics, print and sometimes save=frozen client

Philipp Hanselmann philipp at schoolnet.na
Mon Sep 17 07:12:14 BST 2007


Hi Jim

I don't know what server CPU you have ..., anyway
Have you checked in the BIOS, if  Threading Technology is enabled ?

Jim Kronebusch wrote:
>> I've been trying to make this fail.  Can't  The document you sent me works
>> just fine.
>>     
>
>   
>> Printer:
>> Brother HL-1060 laser printer, setup in cups, using cups supplied driver.
>> Connected initially to server, via usb to parallel adapter
>> Also tested with being plugged into thin client, and remote print queue set
>> up via jetpipe.
>>     
>
>   
>> Observations:
>> Mouse does become slightly jerky, probably from printing querying fonts
>> on client, however, no crash observed.
>> No errors in .xsession-errors of note related to OO.o, nothing observed
>> in /var/log during the time period when test was conducted.
>>     
>
> I think this has to due with a printer memory issue.  I have tested 3 clients, a DevonIT
> 6020p with 128MB RAM, a Term150 with 128MB RAM, and a Gateway 3200 with 128MB RAM.  All
> the clients have different processor speeds, same amount of RAM, and all different
> Graphics cards.  All seemed to exhibit the same problem with printing to the Networked
> HP 4000, but when printing to a HP 4550 or the Ricoh, they all exhibited the same thing
> you describe (jerky graphics and mouse until the job is queued to the printer, which is
> more than tolerable).  The only difference is the DevonIT 6020p has this weird problem
> of scattering the graphics from the document all over the top of the screen covering the
> toolbars, etc and don't clear up until the object repaint on the screen by selecting
> menus or the monitor sleeps and is re-awakened (but I am sure this is a problem with
> either the Graphics chip or driver for the DevonIT as it also has other minor graphics
> problems).  This leads me to believe the problem lies either within the cups driver for
> the HP4000 or with printers with lower onboard memory.  I assume all instances where you
> printed to test allow for better caching of the print jobs (print server or direct
> attachment, where networked with the jet direct relies totally on printer memory). And
> since the problems I am seeing involve graphics I think this is even more backed up. 
> Tomorrow I am going to look into how much memory is in each type of printer we have and
> then test print to it, this may paint a better picture.
>
> So at this point I am thinking this problem is due to the print job being sent to a
> printer that does not have enough onboard memory to cache the job in its entirety, and
> at some point the communication between the printer and the client/server about where to
> store the extra data is lost and maybe this is causing the freeze.  Not sure if that
> makes sense but being that you understand how this stuff talks to each other this may
> make more sense to you.
>
> If that is the case I may be able to band-aid my problems by running the printers from a
> print server or increasing the internal memory (we have probably a dozen of the HP
> 4000N's on campus).  If anyone has a similar setup and could confirm that the problem
> happens with networked printers with say less than 2MB onboard RAM this may give the
> issue more merit.  
>
> I am glad to hear that you and Dave Trask are not able to reproduce the errors except
> the sluggish mouse response while the print job is dispatched.  Wondering why this
> happens?  I would think the server itself is actually sending the job and my server
> having never seen higher than 5% total CPU usage or more than 3GB of the 16GB RAM being
> used plus 6GB NICS teamed I would think could handle it.  There must be something about
> the job being sent that messed with X being displayed on the client, right?  This may be
> a clue as to why mine freeze on lower memory printers.
>
> I have contacted DevonIT about my video issues with the 6020p.  I think this is a
> separate problem not related to printing.  I am hoping to find a tweak for the video
> card in xorg.conf.  If I receive a fix from them I will post it back to the list.  
>
> Scott, thanks for taking the time to test.  Sorry for being a pain in the ass the last
> two weeks.  I just put a lot on the line switching the school over and feel I'm under a
> lot of pressure to get things working as good or better than with the Mac setup, which
> is probably why I sound pushy.....but that doesn't mean my lack of good testing and a
> risky switch is your problem :-)  If nothing else I just hope my struggles help evolve
> Edubuntu and make it better for the future and other users.  Besides, this is all very
> heavy testing and any flaws found now may be able to be squeezed into Gutsy.  I wish I
> understood programming better and could lend a hand in development.  You handful of guys
> are trying to accomplish more than a few billion dollars and a really large Seattle
> based company can :-)
>
> Jim
>
>   


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