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Date:      Sun, 26 Aug 2007 20:09:39 +0100
From:      "Bruce M. Simpson" <bms@FreeBSD.org>
To:        Joerg Wallerich <joerg@net.t-labs.tu-berlin.de>
Cc:        freebsd-current@freebsd.org
Subject:   Re: Network problems with sendto() syscall
Message-ID:  <46D1CFF3.9060209@FreeBSD.org>
In-Reply-To: <20070826110841.GA31243@falcon.net.t-labs.tu-berlin.de>
References:  <20070826110841.GA31243@falcon.net.t-labs.tu-berlin.de>

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I strongly suspect this is related to an introduced bug in the 
RTM_CHANGE path.

Please run 'route -nv monitor' in its own shell and monitor its output 
while you run bootpd.

If the problem happens after RTM_CHANGE then it is probably the bug that 
cognet found, it has a very simple fix which just needs to be committed 
ie above line 531 in rtsock.c:
      if ((rt->rt_flags & RTF_LLINFO) == 0)

regards,
BMS



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