From owner-freebsd-questions  Mon Feb 26 20:45:49 2001
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From: "John J. Rushford Jr" <jjr@sapphire.alisa.org>
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To: Ask Bjoern Hansen <ask@valueclick.com>,
	freebsd-questions@FreeBSD.ORG
Subject: Re: sendmail hangs
Date: Mon, 26 Feb 2001 21:42:17 -0700
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On Mon, 26 Feb 2001, Ask Bjoern Hansen wrote:
> Hi,
> 
> I'm usually a qmail person, but on one of the boxes I am looking
> after we run sendmail.
> 
> After upgrading 4.2-STABLE (from late January to the
> latest) sendmail seems to hang for approximately forever before
> moving on.
> 
> `truss mailq 2> /tmp/foo` seems to print everything it will put in
> the /tmp/foo file but hang for a long time after this.
> 
> ...
> ffstat(0,0xbfbfe788)                              = 0 (0x0)
> fstat(1,0xbfbfe788)                              = 0 (0x0)
> fstat(2,0xbfbfe788)                              = 0 (0x0)
> open("/dev/urandom",0,00)                        = 3 (0x3)
> read(0x3,0x28237aa4,0x7c)                        = 124 (0x7c)
> close(3)                                         = 0 (0x0)
> getgroups(0x10,0x80b78a0)                        = 8 (0x8)
> getegid()                                        = 0 (0x0)
> [EOF]
> 
> any clues or should I get gdb out?
> 

Interesting, I just posted a question about this same problem.  However,
I only noticed it after adding the following kernel options:

options         IPSEC              
options         IPSEC_ESP      
options         IPSEC_DEBUG     

When I boot from a kernel without these options, sendmail no-longer 
hangs.  With these options it hangs and I see the same thing you
do with truss.


-- 
John J. Rushford
jjr@alisa.org
jjr@cs.du.edu
http://www.cs.du.edu/~jjr

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