Date: Sat, 14 Oct 2006 01:45:49 +0100 (BST) From: Robert Watson <rwatson@FreeBSD.org> To: Jonathan Feally <vulture@netvulture.com> Cc: freebsd-net@freebsd.org Subject: Re: Problems with 6.2-PRE and udp applications - dhcpd and named Message-ID: <20061014014441.D96390@fledge.watson.org> In-Reply-To: <452FC336.6060504@netvulture.com> References: <452FC336.6060504@netvulture.com>
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On Fri, 13 Oct 2006, Jonathan Feally wrote: > I have a P4 2.8 box running on an intel MB with a em0 acting as a firewall. > The em0 has multiple tagged vlans on it, no ip assigned to main interface. > Almost clockwork now, 6-7 days after bootup named or dhcpd completly locks > up. I can't even kill -9 the apps. I have recompiled both apps since > upgrading. I have only made two changes to this system around the same time. > 1. Removed 2nd em nic that had only 1 network connected not vlan tagged. 2. > Upgraded to 6.2-PRE > > Has anyone else had these problems? I am going to try running the system > with the internet connection not tagged to see if that helps. I've not seen this on any boxes. The usual debugging path here is to: (1) Look at the process wait channel in ps axl. (2) Compile KDB/DDB into the kernel, and do a kernel stack trace of the process. Once you know what the kernel thread associated with the process is doing, we can attempt to figure out why it's doing it. Robert N M Watson Computer Laboratory University of Cambridge
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