Date: Tue, 18 Jan 2011 19:35:30 +0100 (CET) From: sthaug@nethelp.no To: pyunyh@gmail.com Cc: freebsd-net@freebsd.org, rmacklem@uoguelph.ca, ronald-freebsd8@klop.yi.org Subject: Re: bogus 0 len IP packet, was: Hang in VOP_LOCK1_APV on 8-STABLE with NFS. Message-ID: <20110118.193530.74688427.sthaug@nethelp.no> In-Reply-To: <20110118182351.GE5624@michelle.cdnetworks.com> References: <20110117005524.GA1305@michelle.cdnetworks.com> <20110118.093804.74673434.sthaug@nethelp.no> <20110118182351.GE5624@michelle.cdnetworks.com>
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> > I'm seeing the same problem with Broadcom NetXtreme (bce) cards: > > > > bce0@pci0:3:0:0: class=0x020000 card=0x03421014 chip=0x164c14e4 rev=0x12 hdr=0x00 > > vendor = 'Broadcom Corporation' > > device = 'Broadcom NetXtreme II Gigabit Ethernet Adapter (BCM5708)' > > class = network > > subclass = ethernet > > > > This is with 8.2-PRERELEASE. Turning off TSO (ifconfig bce0 -tso) > > removes the problem. > > > > Is there a reliable way to trigger this on bce(4)? I don't have > BCM5708 but I have BCM5709 so I can verify that. It showed up pretty much immediately when running a csup sessions against cvsup2.us.freebsd.org. I have a pcap file from the session, if you're interested. Steinar Haug, Nethelp consulting, sthaug@nethelp.no
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