Hi,

One of my servers is having pythonfilter hanging, I'm not even able to do
a courier stop unless I force kill pythonfilter.

$ sudo /etc/init.d/courier-mta stop
 * Stopping Courier SMTP server... [ OK ]
 * Stopping Courier mail filter... Alarm clock [fail]

At first running strace on pythonfilter it was hung, and now if I run
strace on pythonfilter I'm getting this:

$ sudo strace -p6701
Process 6701 attached - interrupt to quit
select(0, NULL, NULL, NULL, {0, 40000}) = 0 (Timeout)
select(0, NULL, NULL, NULL, {0, 100000}) = 0 (Timeout)
select(0, NULL, NULL, NULL, {0, 100000}) = 0 (Timeout)
select(0, NULL, NULL, NULL, {0, 100000}) = 0 (Timeout)
select(0, NULL, NULL, NULL, {0, 100000}) = 0 (Timeout)
select(0, NULL, NULL, NULL, {0, 100000}) = 0 (Timeout)
select(0, NULL, NULL, NULL, {0, 100000}) = 0 (Timeout)

I can restart courier by force killing pythonfilter but eventually it
seems to get hung.

Can I turn on some debugging on pythonfilter to understand what's going on?



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