[mailto:t...@sss.pgh.pa.us]
Inviato: mercoledì 21 dicembre 2011 17.01
A: Andrea Grassi
Cc: 'Craig Ringer'; harry...@comcast.net; 'Pg Bugs'; 'Alvaro Herrera'
Oggetto: Re: R: R: R: R: R: [BUGS] BUG #6342: libpq blocks forever in "poll"
function
"Andrea Grassi"
"Andrea Grassi" writes:
> In internet I searched for detailed specifications of poll/select system
> functions but I didn't understand one thing, that is which one of the 2
> statement is true:
> 1) poll/select wait only for FUTURE modifications of ready-read state of
> sockets
> 2) poll/select ch
Then I meet my colleague who is the systems engineer that takes care of the
machine and I explain your hints (suggested by Craig Ringer) about how
detect and log kernel issues.
If it can be useful, the content of file /proc/$pid/wchan in the moment of
block is "_stext".
In the meantime, to be sure