Lock problem with mupdate

Frank Elsner Frank.Elsner at TU-Berlin.DE
Tue Apr 17 05:10:09 EDT 2012

On Tue, 17 Apr 2012 04:41:57 -0400 Dave McMurtrie wrote:
> lsof so you can find out what file descriptor 9 is that read() is blocking on.  If it's the socket to your mupdate server, figure out why it isn't responding.

Thanks. Indeed it is the connection to the mupdate server:

mupdate 7395 cyrus    9u  IPv4            3273817      0t0     TCP eg-mailfrontend-febe.intern.elgouna.tu-berlin.de:40362-> (ESTABLISHED)

So we have to investigate why we can ping in both directions, why the 
frontend can autheticate on the mupdate server and why the answer doesn't get 

Thanks so far, 
Frank Elsner

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