Hi,
I setup a VM a while ago under XenServer 6.2 - it's an amd64 FBSD 10.0-S
box (based on r261289) - it's running under Xen PVHVM.
I set it up - and left it for a while (46 days). I went to ssh to it today,
and got:
"
ssh_exchange_identification: Connection closed by remote host
"
Getting on to the boxes console there's lots of what look to be 'stuck'
sshd processes?
0 3933 895 0 20 0 84868 6944 urdlck Is - 0:00.01 sshd: unknown [priv]
(sshd)
22 3934 3933 0 20 0 0 0 - Z - 0:00.00 <defunct>
0 3935 3933 0 20 0 84868 6952 sbwait I - 0:00.00 sshd: unknown [pam]
(sshd)
0 4338 895 0 20 0 84868 6944 urdlck Is - 0:00.01 sshd: unknown [priv]
(sshd)
22 4339 4338 0 20 0 0 0 - Z - 0:00.00 <defunct>
Anyone know what 'urdlck' is?
There's 126 of these processes, e.g.
5446 - I 0:00.00 sshd: unknown [pam] (sshd)
5450 - Is 0:00.01 sshd: unknown [priv] (sshd)
5452 - I 0:00.00 sshd: unknown [pam] (sshd)
5453 - Is 0:00.01 sshd: unknown [priv] (sshd)
Bearing in mind the box is firewalled from ssh access, and no one (apart
from me today) has attempted to get onto the box with ssh - this is a
little concerning. Every about 5-10 connects will actually 'connect' - the
rest just result in the 'key exchange' error.
Kernel is GENERIC with:
options NO_ADAPTIVE_MUTEXES
options NO_ADAPTIVE_RWLOCKS
options NO_ADAPTIVE_SX
There's nothing logged in dmesg, or syslog.
Is there anything worth doing to this VM before I restart it - i.e. to try
and figure out what's happened? / troubleshoot?
-Karl
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