Date: Wed, 10 Apr 2002 12:09:21 +0100 From: Ollie Cook <ollie@uk.clara.net> To: questions@freebsd.org Subject: fxp0: cluster allocation failed, packet dropped! Message-ID: <20020410110920.GJ42433@mutare.noc.clara.net>
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We have a FreeBSD 4.5-RELEASE server running a quite network intensive application and are getting severe packet loss and these errors on the console: fxp0: cluster allocation failed, packet dropped! m_clalloc failed, consider increase NMBCLUSTERS value I gave a value to NMBCLUSTERS in the kernel config of 4096 (it was previously undefined), but upon rebooting with the new kernel the problem reoccurred. bash-2.05a$ /sbin/sysctl kern.ipc.nmbclusters kern.ipc.nmbclusters: 4096 I have reduced the amount of bandwidth the application is using, which has stopped the error from appearing, but I would like to know how to fix this issue, so the application can go back to using all the bandwidth available to it. As far as I can tell, it's a software issue rather than hardware issue with the NIC in question, but have found no suggestions on how to remedy the situation on the archives of this list, or google. Any advise would be greatly appreciated. Yours, Ollie -- Oliver Cook Systems Administrator, ClaraNET ollie@uk.clara.net 020 7903 3065 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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