[Nut-upsuser] Loosing comms with UPS
Arjen de Korte
nut+users at de-korte.org
Sun Jul 22 19:20:41 UTC 2007
Alain Williams wrote:
> I ran strace on the upsd process and what I get is below.
Usually, running strace is only used as a last resort, if adding the
-DDDDD option doesn't provide sufficient output. Since this is a
communications problem between the server and the client, we probably
need them to run both with the -DDDDD option in order to find out which
one is the culprit.
> It appears that upsd gets a connection (from somewhere), reads a GET VAR,
> writes a VAR reply, read EOF - and so generate the 'read failure'.
What is might be missing from the server, is that we still FD_SET the
client file descriptor, even if we already know it is no longer
connected. This is probably not what we want. See the trunk (> r1027).
Best regards, Arjen
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