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Re: System slowness with latest updates



Steven Haigh wrote:

On Sat, March 11, 2006 3:17 pm, Steven Haigh wrote:
Hi all,

This one has me kind of confused, as I can't find anything common to cause
a slowness in the system. The slowness I'm seeing is that processes
running on the system become really slow and take a long time to do what
the should do. It's not a system load issue, as I see:
# uptime
15:15:51 up  7:46,  8 users,  load average: 0.05, 0.05, 0.00

Things like snmpd queries timing out, when restarting dhcpd the syslog
output to /var/log/messages takes around 2 seconds per line.

I've looked around and can't see anything out of place, or anything
obviously broken. Anyone have any ideas on this?

As a followup to this, I've noticed that the syslog is around 3-4 minutes
behind the events that happen. say I login to an IMAP server, the maillog
shows the login at 16:57:48 - if I breat out of that and show the date,
the clock will show 3-4 minutes later (ie 17:01) - even though the line
has only appeared seconds ago.

Even things such as spamassassin is taking 217 seconds to scan a 2Kb
email. snmpd results to localhost are timing out - even though the process
is listening.

It takes 45-50 seconds to log out of a su shell back to the logged in
user, the same for becoming root via 'su -'.

I have never seen this kind of behaviour on a system before - especially
when the CPU is 99% idle. Has anyone come across this type of behaviour
before?

the system is:
model name      : AMD Sempron(tm) Processor 2800+
stepping        : 0
cpu MHz         : 1602.495

It has 1 Gb of RAM, and seemed to work perfectly until last nights updates.

have you tryed a different kernel?


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