On Fri, 2011-06-24 at 18:23 +0300, Timo Sirainen wrote: > On 16.6.2011, at 19.24, Javier wrote: > > > Jun 16 13:18:27 mailstore5 dovecot: lmtp(8460, x...@xxxxxxx.com): > > Error: waitpid() failed: No child processes > > This is the main problem. It just shouldn't be happening. You could try > stracing an lmtp process while it sends a mail, and see if there are two > waitpid() calls or of the first one is giving this error. If there is only > this one waitpid() call this would seem like a kernel problem.
I think this fixes the bug: http://hg.dovecot.org/dovecot-2.0/rev/748b0fd169d1 Of course, since you can't upgrade that's not very helpful.. You could try to figure out why your sendmail binary is forking and not make it do that..
