7.10 Server freezing

[Peter]

Thanks, That's good to know.

On Sun, Jun 15, 2008 at 1:50 PM, dbclinton <dbclin at gmail.com> wrote:
> I can certainly rule out two of your potential problems: your hardware
> configuration should easily work for five clients (I've done it on a
> very similar system) and logging in a user more than once should not
> freeze the system (although it can have an interesting effect on the
> first desktop's functionality).
> Good luck,
> David Clinton
>
> On Sun, 2008-06-15 at 12:59 -0400, Peter wrote:
>> After months of testing, I made our edubuntu thin client system live
>> and it froze ... twice... and I can't figure out why.
>>
>> We're using Edubuntu 7.10.
>> We're running a dell poweredge, 2.8ghz p4 (I'm sure it's a 2.something
>> p4), 1gb ram,  raid 1 array of 200GB+ with 5 clients (1ghz p3, 256MB
>> ram).  All 10/100 network equipment.
>>
>> When any of the clients boot and log in, it's fast...so nice and fast.
>> But after the system has been running a few hours and students begin
>> to use it (and I'm not there). It freezes hard. I *think* it freezes
>> hard b/c I haven't tested pinging it when it's down. But it doens't
>> reply to anything including ctrl-alt-bkspace, or ctrl-alt-f1. And I
>> know the /var/log/messages file stops creating --MARK--  entries
>> during this time. When I find it frozen, there is video, but no
>> response to mouse or keyboard.
>>
>> In our tests, we only experimented with 1 client. Could 5 clients
>> create too much demand on our server? I recently installed the ssl
>> update and rebuilt the images...could I have done something wrong
>> there? And one more detail: we're posting our username-password info
>> per computer...it's conceivable that one user might be getting signed
>> in more than once. Would that do it? Or how about using Adobe Flash 9?
>>
>> thx so much,
>> -peter
>> Bard High School Early College
>> NY, NY
>>
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>