I haven't been following this thread closely, but have you looked in the log file? For example, do 'grep -i error /var/log/messages'? And the dag repository has an atop rpm. You can run 'atop' to see if some resource, such as disk I/O, is being saturated.

Steven Yellin

On Thu, 17 Nov 2011, Yi Ding wrote:

Thanks Chris.  Yes, the bash_profile is stock, but I'll try strace and
give that a shot as well.  Someone also suggested I see if there's an
issue with DNS so I'll also look into that.

On Thu, Nov 17, 2011 at 1:07 PM, Christopher Tooley <ctoo...@uvic.ca> wrote:
I can see from your original email that I missed the
"(and/or any other terminals I'm using, for example SSH from another machine)"
part. :\  Derp on my part!

Have you modified your /etc/bash_profile at all?  I would assume that if this 
is a clean install the software should be fine...

If you feel adventurous, check out the man pages for "strace" and do an strace 
on bash itself :)  There may be some errors popping up that are not clear from just 
running it.

-Chris

On 2011-11-17, at 9:35 AM, Yi Ding wrote:

Thanks for the suggestions Chris.  The reason I think it's a global
terminal issue rather than a GNOME terminal problem is that it also
happens when I SSH in from my windows machine (which is on the same
LAN).  Also, programs running inside the terminal will slow down, for
example top will refresh slower than it would normally.  It also
affects everyone who's logged in, not just me.

Cheers,
Yi

On Thu, Nov 17, 2011 at 11:32 AM, Christopher Tooley <ctoo...@uvic.ca> wrote:
I haven't experienced this myself, but I can offer some possible 
troubleshooting tips :)

See if it happens in xterm as well. If so, it might have something to do with 
your bashrc or bash_profile (if you're using bash, that is, others have 
different preference files)

If it doesn't slow down in xterm, try konsole to double check that it's 
something up with gnome-terminal and/or launch gnome-terminal from xterm, there 
may be some error statements being flushed to STDIN that may help diagnose it...

-Chris

On 2011-11-17, at 6:02 AM, Yi Ding wrote:

Hi everyone,

First time scientific linux user.  I'm having a strange issue that I
haven't seen on any other installation.  Basically at random
intervals, my GNOME Terminal (and/or any other terminals I'm using,
for example SSH from another machine) slows down to a crawl.  This
slowness doesn't seem to affect my GUI applications, and when I run
top, there's no signs of high cpu or memory usage.

Has anyone else had this problem?  Can someone suggest a solution?

Thanks,
Yi




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