Date: Mon, 10 Jan 2011 23:40:33 -0800 From: Pyun YongHyeon <pyunyh@gmail.com> To: fbsdmail@dnswatch.com Cc: freebsd-net@freebsd.org, freebsd-amd64@freebsd.org Subject: Re: tx v2 error 0x6204<UNDERFLOW> - is this a new feature? Message-ID: <AANLkTi=CvNitBjG%2Br08NCTp_S=BwR7LZJ%2BeJuTkHAxVz@mail.gmail.com> In-Reply-To: <f765ac1cf5d77527d21ad2a83ee98d8c.dnswclient@www.dnswatch.com> References: <f765ac1cf5d77527d21ad2a83ee98d8c.dnswclient@www.dnswatch.com>
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On Mon, Jan 10, 2011 at 11:10 PM, <fbsdmail@dnswatch.com> wrote: > Greetings, > =A0I have been receiving these messages on a recent 8.1/AMD64 install. > src/ports && world/kern about a week ago. Here is a block from the most > recent output: > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > nfe0: tx v2 error 0x6204<UNDERFLOW> > > It appears to only occur when transmitting largish amounts of data > across an NFS mount. I'm not sure where the MIN-threshold lies. But > appears to be >=3D1.5Mb. > This fresh 8.1/AMD64 is part of a largish server farm comprised of > 7+ - 8.0 i386 servers. This one is the only AMD64. It is also the > only AMD64. I experience this when mounting an 8.0/i386 server from > this 8.1/AMD64. The i386 also has mounts on this 8.1/AMD64. > relevant info: > ### 8.0/i386 > 8.0-STABLE FreeBSD 8.0-STABLE #0: /usr/obj/usr/src/sys/UDNS01 =A0i386 > Tyan 2-CPU MB > 2 NIC's: fxp0 (only one in use) > ### 8.1/AMD64 > FreeBSD 8.1-RELEASE-p2 #0: /usr/obj/usr/src/sys/XII amd64 > MSI K9N4 Ultra > CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 4200+ (3511.34-MHz K8-class > CPU) > 1 NIC nfe0 > ### common to both: > rc.conf > nfs_client_enable=3D"YES" > nfs_reserved_port_only=3D"YES" > nfs_server_enable=3D"YES" > > NIC's on both boards are 10/100's @100mbps > > Can anyone provide any insight as to why I should be receiving these > messages on a fresh 8.1/amd64 install. Is 8.1 INcompatible with > earlier versions? > No, I guess you're seeing one of unresolved nfe(4) issues. By chance, are you using forced media configuration instead of auto-negotiation? Posting both dmesg and "ifconfig nfe0" output would be useful. > Thank you for all your time and consideration. > > --Chris
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