Date: Fri, 21 Dec 2012 11:08:07 -0500 From: Ryan Stone <rysto32@gmail.com> To: Tsaregorodtsev Denis <telemat@extrim.it> Cc: freebsd-net <freebsd-net@freebsd.org> Subject: Re: 'no buffer space available' after switch goes down on freeBSD 7.3 Message-ID: <CAFMmRNy26AvdJjW9N4zPNPYrVYn1a2Qr8W5qy9MTV_30dvCqCA@mail.gmail.com> In-Reply-To: <50D45282.5080708@extrim.it> References: <50D45282.5080708@extrim.it>
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On Fri, Dec 21, 2012 at 7:13 AM, Tsaregorodtsev Denis <telemat@extrim.it>wrote: > Hello, > > I maintenance ISP's DNS server which works under FreeBSD 7.3 and BIND > 9.9.1-P4. The network adapter is Intel(R) PRO/1000 Network Connection, > driver - em. The server is connected to a Cisco 6500 switch. Sometimes the > switch goes down (for maintenance) and is unavailable for 10 minutes. After > the switch goes up the server is still unavailable through IP. When I open > an IPMI console on the server and enter the ping command, I receive "no > buffer space available" error message. And the network doesn't work until > the server reboot. > I tried to google this and found that the problem can be solved by > increasing nmbclusters parameter. But I want to understand why this problem > appears when the switch is rebooting . May be you can suggest something? > > Best regards, Tsaregorodtsev Denis > > ______________________________**_________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/**mailman/listinfo/freebsd-net<http://lists.freebsd.org/mailman/listinfo/freebsd-net>; > To unsubscribe, send any mail to "freebsd-net-unsubscribe@**freebsd.org<freebsd-net-unsubscribe@freebsd.org> > " > Do you have a non-production machine you can test with? Can you confirm that the follow (compile-tested only) patch of 7.3 resolves the issue: http://people.freebsd.org/~rstone/patches/e1000_link.diff
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