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Re: [K12OSN] Help VNC crash w/firefox



As I recall, the X11 issue happens regardless of which browser you use, be it Firefox, Konqueror, Epiphany, CucamongaBrowser, etc.

But he's using VNC, so this might not necessarily apply anywhere near to the same degree.  My guess is that VNC is probably much like the early Citrix RDP clients that could run in relatively low DRAM.

Those PS/ValuePoint 6381's use 72-pin SIMMs.  What I would suggest Alberto do, if he wants to use those ValuePoints, is either of the following:

1.)  Pick up some 72-pin SIMM memory, enough to upgrade to at least 8MB (more is better, of course).  Or....

2.)  Cannibalize DRAM from some of those 1,500 and make 750 of them with 8MB DRAM, since he's discovered that 8MB works.

Either way, it looks like he's going to have to upgrade the DRAM on those boxes.

--TP
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Rob Owens wrote:
I recall a lot of discussion about 6 months (or maybe a year) ago about
Firefox causing thin clients to crash when many tabs were open.  I think it
boiled down to images that Firefox loads get cached by the X server, and
once the X server is out of RAM it crashes.  You have only 4 MB for your X
server, so it is crashing instantly (images on your home page use up all 4
MB, perhaps).

Have you tried other browsers?  I'm not sure if it's a Firefox thing or if
all browsers will behave the same.

-Rob

On Tue, Apr 14, 2009 at 07:30:56PM -0300, Alberto Castillo wrote:
  
Hi everybody!
I write from Argentina.

I recently build a micro-distro that runs with i486 w/4MB ram (yes...
just four megas).
This micro-distro have a Xclient from a vnc-client (svncviewer).
All apps run nice and with a good performance, but when I try to
navigate with firefox, the vnc connection closes and the Xclient
crashes and freeze!!!...

Here a only that I can get of /var/log/messages: (I login w/user 'educa1')

*****************************************************************
Apr 14 09:23:58 server xinetd[7823]: START: vnc-800x600x16 pid=8789
from=192.168.0.100
Apr 14 09:24:23 server gconfd (educa1-8890): comenzando (versión
2.14.0), pid 8890 usuario «educa1»
Apr 14 09:24:23 server gconfd (educa1-8890): Se resolvió la dirección
«xml:readonly:/etc/gconf/gconf.xml.mandatory» a una fuente de
configuración de sólo lectura en la posición 0
Apr 14 09:24:23 server gconfd (educa1-8890): Se resolvió la dirección
«xml:readwrite:/home/educa1/.gconf» a una fuente de configuración
escribible en la posición 1
Apr 14 09:24:23 server gconfd (educa1-8890): Se resolvió la dirección
«xml:readonly:/etc/gconf/gconf.xml.defaults» a una fuente de
configuración de sólo lectura en la posición 2
Apr 14 09:24:25 server hcid[2127]: Default passkey agent (:1.525,
/org/bluez/applet) registered
Apr 14 09:24:25 server pcscd: winscard.c:304:SCardConnect() Reader
E-Gate 0 0 Not Found
Apr 14 09:24:25 server last message repeated 4 times
Apr 14 09:24:25 server gconfd (educa1-8890): Se resolvió la dirección
«xml:readwrite:/home/educa1/.gconf» a una fuente de configuración
escribible en la posición 0
Apr 14 09:25:46 server xinetd[7823]: EXIT: vnc-800x600x16 status=0
pid=8789 duration=108(sec)
Apr 14 09:25:53 server gconfd (educa1-8890): El servidor GConf no está
en uso, cerrándolo.
Apr 14 09:25:53 server gconfd (educa1-8890): Finalizando
********************************************************************

As you can see, xinetd suddenly closes the vnc connection.
When I put more ram the crash dissapear (4MB more, total=8MB), but I
really need to use this machines (near of 1500) of 4MB ram, the
machines are a IBM valuepoint-425SX model 6381.
A few days ago, I can not neither open firefox (the free mem that bios
tell me are 3072Kb, kernel 509Kb-bzipped, rootfs-290kb-gz).
Next, I disable the ROM in RAM and I get near of 320Kb, and then I can
navigate only in some pages, that have a few text nothing more...
I did read that is a bug of Xorg, and I did update it, but nothing....
I have been thinking come back to fedora 5 -4 -3 -2 -1 or RH9, and try
to get some repos (especially non-free)
Any can help me? or give me any idea?
Thankyou a lot!
Alberto Castillo

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