At Fri, 17 May 2013 16:56:04 +0400,
Sergej Pupykin <m...@sergej.pp.ru> wrote:
> It does not help. As I understand problem:
>
> - start timsieved for example
> - connect using telnet tool
> - timsieved gets socket_write_cb() but there is nothing to write and
> nothing to read, so it eats 100% CPU in empty loop on inactive
> connection.
>
> I saw the same with imapd server. Strace shown that poll continuously
> returns pollout for fd=1, but probably imapd has nothing to send.
I still cannot provide steps-to-reproduce for imapd, but sometimes
imapd comes to infinite loop reading 0 but not closing connection:
strace:
poll([{fd=10, events=POLLIN}, {fd=114, events=POLLIN}, {fd=128, events=POLLIN},
{fd=186, events=POLLIN}, {fd=211, events=POLLIN
read(229, "", 4095) = 0
read(186, "", 4095) = 0
poll([{fd=10, events=POLLIN}, {fd=114, events=POLLIN}, {fd=128, events=POLLIN},
{fd=186, events=POLLIN}, {fd=211, events=POLLIN
read(229, "", 4095) = 0
read(186, "", 4095) = 0
poll([{fd=10, events=POLLIN}, {fd=114, events=POLLIN}, {fd=128, events=POLLIN},
{fd=186, events=POLLIN}, {fd=211, events=POLLIN
read(186, "", 4095) = 0
read(229, "", 4095) = 0
poll([{fd=10, events=POLLIN}, {fd=114, events=POLLIN}, {fd=128, events=POLLIN},
{fd=186, events=POLLIN}, {fd=211, events=POLLIN
read(229, "", 4095) = 0
read(186, "", 4095) = 0
poll([{fd=10, events=POLLIN}, {fd=114, events=POLLIN}, {fd=128, events=POLLIN},
{fd=186, events=POLLIN}, {fd=211, events=POLLIN
read(186, "", 4095) = 0
read(229, "", 4095) = 0
_______________________________________________
Dbmail-dev mailing list
Dbmail-dev@dbmail.org
http://mailman.fastxs.nl/cgi-bin/mailman/listinfo/dbmail-dev
