Date: Sat, 22 Mar 2008 14:53:46 -0700 From: "Kip Macy" <kip.macy@gmail.com> To: "Anton Yuzhaninov" <citrin@citrin.ru> Cc: freebsd-net@freebsd.org Subject: Re: re TSO: data corruption Message-ID: <b1fa29170803221453n6c1f5b73g5f9e300c8655ab29@mail.gmail.com> In-Reply-To: <47E57C8F.4090602@citrin.ru> References: <47E57C8F.4090602@citrin.ru>
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On Sat, Mar 22, 2008 at 2:39 PM, Anton Yuzhaninov <citrin@citrin.ru> wrote: > When TSO enabled on my re NIC, data transferred via network corrupted. > > It easy to reproduce using scp: > > citrin:~>scp some_file.tar.bz2 some_host: > > .. > Received disconnect from 10.10.10.100: 2: Corrupted MAC on input. > lost connection > > And same when data transferred to any other host. > > re0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 > options=399b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_UCAST,WOL_MCAST,WOL_MAGIC> > ether 00:1a:4d:2d:82:6e > inet 10.10.10.101 netmask 0xfffffe00 broadcast 10.10.10.255 > media: Ethernet autoselect (100baseTX <full-duplex>) > status: active > > re0@pci0:2:5:0: class=0x020000 card=0xe0001458 chip=0x816710ec rev=0x10 hdr=0x00 > vendor = 'Realtek Semiconductor' > device = 'RTL8169/8110 Family Gigabit Ethernet NIC' > class = network > subclass = ethernet > > Known workaround: > ifconfig re0 -tso > > May be TSO should be disabled by default? > On anything coming from Realtek? Probably. Certainly not in general. -Kip
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