Stuck CLOSED sockets / sshd / zombies...
John Baldwin
jhb at freebsd.org
Wed Apr 2 15:58:21 UTC 2014
On Wednesday, April 02, 2014 10:30:06 am Karl Pielorz wrote:
>
> Hi All,
>
> This issue started in -xen (subject: *Stuck sshd in urdlck), moved to
> -stable (subject: sshd with zombie process on FreeBSD 10.0-STABLE), and
> -net (subject: Server sockets staying in CLOSED for extended), but seems to
> have died a death in all of them.
>
> It's affecting a number of people - predominately with sshd.
>
> Does anyone know how I can troubleshoot this further, what the cause / fix
> is, or if it's already actually fixed?
>
> "
> # ps ax | grep 4344
> ps axl | grep 4344
> 0 4344 895 0 20 0 84868 6944 urdlck Is - 0:00.01 sshd: unknown
> [priv] (sshd)
Can you get 'procstat -k 4344' to see where this process is stuck?
> 22 4345 4344 0 20 0 0 0 - Z - 0:00.00 <defunct>
> 0 4346 4344 0 21 0 84868 6952 sbwait I - 0:00.00 sshd: unknown
> [pam] (sshd)
'procstat -f' and 'procstat -k' for this process might also be useful.
--
John Baldwin
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