Date: Fri, 11 Nov 2005 15:39:24 -0800 From: Sean McNeil <sean@mcneil.com> To: stable@freebsd.org Subject: Re: 6-STABLE TCP nfs Linux client hangs (UPDATE) Message-ID: <1131752364.84095.3.camel@triton.mcneil.com> In-Reply-To: <1131737064.64225.2.camel@triton.mcneil.com> References: <1131737064.64225.2.camel@triton.mcneil.com>
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On Fri, 2005-11-11 at 11:24 -0800, Sean McNeil wrote: > I have a 2x Athlon running with amd64 kernel and I can hang 2 Linux > clients by attempting to write large amounts of data over TCP nfs. If I > set the nfsd to be UDP only, the problem never occurs. > > Please let me know what I can do to help track this problem down. It appears that the above isn't the case. I managed to get a failure of nfs in UDP mode as well. I got some messages about jumbo frames that didn't make sense coming from the NIC when that happened and some corruption of files. I believe there is an issue with mpsafe on the sk0 nic. Turning off debug.mpsafenet (i.e. setting to 0) seems to have resolved the issue for me at the moment. Sean
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