Date: Fri, 01 Dec 2006 13:02:33 +0800 From: Ganbold <ganbold@micom.mng.net> To: Kris Kennaway <kris@obsecurity.org> Cc: FreeBSD Stable Mailing List <freebsd-stable@freebsd.org> Subject: Re: application hangs in STABLE from time to time Message-ID: <456FB769.5070703@micom.mng.net> In-Reply-To: <20061124030100.GA92039@xor.obsecurity.org> References: <456652AF.7070808@micom.mng.net> <20061124030100.GA92039@xor.obsecurity.org>
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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: tsgan@ttyp0 (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
-
> 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?
thanks,
Ganbold
> Kris
>
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