Kris,
Kris Kennaway wrote:
On Fri, Dec 01, 2006 at 01:02:33PM +0800, Ganbold wrote:
Kris Kennaway wrote:
On Fri, Nov 24, 2006 at 10:02:23AM +0800, Ganbold wrote:
So do I have interrupt storms here and it is something related to bge?
No, your interrupts look fine.
What else should I check when application hangs again?
The most important thing to know is what is the application doing when
it hangs. Unfortunately none of the information you provided shows
this. Next time use the -o wchan argument to ps to find out what
state the process is blocked in.
Ok, Here it is:
573 ?? Is 0:00.02 /usr/sbin/inetd -wW -C 60
78721 ?? I 0:00.01 /usr/local/Radiator-3.15/hooks/PSA
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
78744 ?? Is 0:00.05 sshd: tsgan [priv] (sshd)
78747 ?? S 0:00.02 sshd: [EMAIL PROTECTED] (sshd)
591 v0 Is+ 0:00.00 /usr/libexec/getty Pc ttyv0
592 v1 Is+ 0:00.00 /usr/libexec/getty Pc ttyv1
593 v2 Is+ 0:00.00 /usr/libexec/getty Pc ttyv2
594 v3 Is+ 0:00.00 /usr/libexec/getty Pc ttyv3
595 v4 Is+ 0:00.00 /usr/libexec/getty Pc ttyv4
596 v5 Is+ 0:00.00 /usr/libexec/getty Pc ttyv5
597 v6 Is+ 0:00.00 /usr/libexec/getty Pc ttyv6
598 v7 Is+ 0:00.00 /usr/libexec/getty Pc ttyv7
16099 p0- I 20:29.05 perl /usr/local/Radiator-3.15/radiusd
-log_file /var/log/radius/logfile -config_file
/usr/local/Radiator-3.15/voip.cfg -pid_file /
78748 p0 Is 0:00.01 -sh (sh)
78750 p0 I 0:00.01 su
78751 p0 S 0:00.04 _su (csh)
78761 p0 R+ 0:00.00 ps ax
voiprad#ps axHlwww|grep PSA
0 78721 16099 0 4 0 1696 1184 sbwait I ?? 0:00.01
/usr/local/Radiator-3.15/hooks/PSA
voiprad#
voiprad#
voiprad# ps -o wchan
WCHAN
ttyin
ttyin
ttyin
ttyin
ttyin
ttyin
ttyin
ttyin
piperd
wait
pause
-
Well, I meant a more complete command than that one ;-) Fortunately
it's also included in your previous output above ("sbwait"). This
means that the process is waiting for network traffic (usually waiting
for another local or remote process to send it data). So it's not
obviously pointing to a problem.
Remind me again how you know this isn't an application bug (sorry,
I've forgotten context)?
This application connects to remote mysql-4.0.x server
and sends some queries and does some calculations and returns.
I tried to run this application from console, and it works
fine. It runs from radius server and it works fine serving
user access requests except sometimes it hangs. It used to
work fine on FreeBSD 5.2-STABLE before upgrading to RELENG-6.
So I guess there is something else.
You can also use kgdb to find out
where it is waiting in the kernel:
kgdb /dev/mem /boot/kernel/kernel.symbols
info threads
<find the thread corresponding to the process that is blocked>
thread <tid>
bt
Oh, I don't have kernel.symbols file, how to enable it?
It might be in your kernel compilation directory (possibly called
kernel.debug). Otherwise, you'll have to build a new kernel and
trigger the problem again.
I tried with with kernel.debug without success:
voiprad# kgdb /dev/mem /usr/obj/usr/src/sys/VOIPRAD/kernel.debug
kgdb: bad namelist
thanks,
Ganbold
kris
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