Re: strange crash with 4.5

2009-12-15 Thread Aaron Mason
On Tue, Dec 15, 2009 at 6:33 AM, Geoff Sweet geoff.sw...@wemadeusa.com
wrote:
 We are in the midst of migrating all our firewalls to 4.6.  However I have
a
 now-recurring issue on one of my last 4.5 (amd64) firewalls that I'm having
a
 hard time understanding.  It's happening right now so if there is something
I
 can do in this state to show what's going on, i'd like to do it.

 Current this firewall performs duty for inbound customer traffic for some
game
 clients (mmo style) and for firewall enforcement between various vlans on
the
 inside.  The first time this happened I thought it was just a fluke.
 Current
 state of the system: The system won't let me log in via ssh.  I can make a
tcp
 connection via telnet so I know that at least something is listening on the
 port, but nothing I try will get the system to prompt me for authentication
 credentials. No love on the terminal either.  Because our datacenter uses
KVM
 and the keyboard switches via USB, it won't detect the keyboard being
plugged
 in.  However I can get video and it was left logged in with top running,
and
 it appears to be frozen.

 Just like the previous time the event was preceeded by increased complaints
 from our customers that game lag was very high.  I know this all seems very
 vague, but I am totally frustrated here.  We don't move a lot of traffic,
 40mbps at the most.  It still continues to firewall traffic without too
much
 issue.  Last time this happened, when I rebooted I couldn't find anything
in
 the logs to suggest an error of any type.  Could I be running out of
resources
 somewhere?

 Thanks for your insight,
 Geoff Sweet



I had this happen when I accidentally set up a compile box with 1mb of
swap (instead of 1gb) on 32mb of RAM and a Pentium 200.  I was trying
to compile Java.  Once I got it going it took 9 days to finish
end-to-end.

But, back on topic.  What's the config of this firewall?  CPU, RAM,
HDD, swap?  This smells of a OOM condition.

--
Aaron Mason - Programmer, open source addict
I've taken my software vows - for beta or for worse



strange crash with 4.5

2009-12-14 Thread Geoff Sweet
We are in the midst of migrating all our firewalls to 4.6.  However I have a
now-recurring issue on one of my last 4.5 (amd64) firewalls that I'm having a
hard time understanding.  It's happening right now so if there is something I
can do in this state to show what's going on, i'd like to do it.

Current this firewall performs duty for inbound customer traffic for some game
clients (mmo style) and for firewall enforcement between various vlans on the
inside.  The first time this happened I thought it was just a fluke.  Current
state of the system: The system won't let me log in via ssh.  I can make a tcp
connection via telnet so I know that at least something is listening on the
port, but nothing I try will get the system to prompt me for authentication
credentials. No love on the terminal either.  Because our datacenter uses KVM
and the keyboard switches via USB, it won't detect the keyboard being plugged
in.  However I can get video and it was left logged in with top running, and
it appears to be frozen.

Just like the previous time the event was preceeded by increased complaints
from our customers that game lag was very high.  I know this all seems very
vague, but I am totally frustrated here.  We don't move a lot of traffic,
40mbps at the most.  It still continues to firewall traffic without too much
issue.  Last time this happened, when I rebooted I couldn't find anything in
the logs to suggest an error of any type.  Could I be running out of resources
somewhere?

Thanks for your insight,
Geoff Sweet