Date: Thu, 15 Feb 2007 01:12:43 -0500 From: Joe Marcus Clarke <marcus@FreeBSD.org> To: pyunyh@gmail.com Cc: current@FreeBSD.org Subject: Re: Constant stream of errors on msk0 Message-ID: <1171519963.45950.9.camel@shumai.marcuscom.com> In-Reply-To: <20070215055918.GA4319@cdnetworks.co.kr> References: <45D0BB41.9040505@FreeBSD.org> <20070213000922.GA62412@cdnetworks.co.kr> <1171327083.98536.5.camel@shumai.marcuscom.com> <20070213044746.GC62412@cdnetworks.co.kr> <1171344897.98536.14.camel@shumai.marcuscom.com> <20070213054802.GD62412@cdnetworks.co.kr> <45D355D9.5000805@FreeBSD.org> <20070215055918.GA4319@cdnetworks.co.kr>
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--=-GIJ/zi/0ea1vKrUVpd3e Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Thu, 2007-02-15 at 14:59 +0900, Pyun YongHyeon wrote: > On Wed, Feb 14, 2007 at 01:32:57PM -0500, Joe Marcus Clarke wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA1 > >=20 > > Pyun YongHyeon wrote: > > > On Tue, Feb 13, 2007 at 12:34:57AM -0500, Joe Marcus Clarke wrote: > > > > On Tue, 2007-02-13 at 13:47 +0900, Pyun YongHyeon wrote: > > > > > On Mon, Feb 12, 2007 at 07:38:03PM -0500, Joe Marcus Clarke wro= te: > > > > > > On Tue, 2007-02-13 at 09:09 +0900, Pyun YongHyeon wrote: > > > > > > > On Mon, Feb 12, 2007 at 02:08:49PM -0500, Joe Marcus Clark= e wrote: > > > > > > > > -----BEGIN PGP SIGNED MESSAGE----- > > > > > > > > Hash: SHA1 > > > > > > > >=20 > > > > > > > > I recently upgraded my MacBook Pro from -STABLE to -CUR= RENT. I used to > > > > > > > > be using the Marvell myk driver for my wired ethernet. = This driver > > > > > > > > worked fine. I'm now using the built-in msk driver, bu= t this driver > > > > > > > > causes the interface to report a constant stream of inp= ut errors. There > > > > > > >=20 > > > > > > > Would you explain this input errors? > > > > > >=20 > > > > > > netstat -i reports steadily increasing input errors (Ierrs) = every time > > > > > > packets arrive on the machine. > > > > > >=20 > > > > >=20 > > > > > It looks like link speed/duplex mismatch. > > > > > How about manual configuration? > > > > > (e.g. ifconfig msk0 media 1000baseTX mediaopt full-duplex) > > > >=20 > > > > That was the first thing I though of. I tried all settings from > > > > 100BaseTX half/full to 1000BaseTX half/full to auto. The same pr= oblem > > > > was always observed. Additionally, I turned off TSO to see if th= at made > > > > any difference, and it did not. > > > >=20 > > >=20 > > > Ok, let's see what's happending on your NIC. > > > Try attached patch and let me know the output. > >=20 > > Okay. On an otherwise idle machine, I started a regular 64-byte ping > > (to rule out TCP), and I was getting regular packet loss (50 responses > > were seen for 89 packets or 43.8% packet loss). Here is the debug > > output for that time: > >=20 > > Feb 14 13:22:05 gyros kernel: 0x004a2100 : 70 : 74 > > Feb 14 13:22:05 gyros kernel: 0x00622100 : 94 : 98 > > Feb 14 13:22:06 gyros kernel: 0x004a2100 : 70 : 74 > > Feb 14 13:22:07 gyros kernel: 0x00622100 : 94 : 98 > > Feb 14 13:22:08 gyros kernel: 0x004a2100 : 70 : 74 > > Feb 14 13:22:10 gyros kernel: 0x024e2300 : 586 : 590 > > Feb 14 13:22:13 gyros kernel: 0x00b12300 : 173 : 177 > > Feb 14 13:22:16 gyros kernel: 0x00622100 : 94 : 98 > > Feb 14 13:22:20 gyros kernel: 0x004a2100 : 70 : 74 > > Feb 14 13:22:20 gyros kernel: 0x00622100 : 94 : 98 > > Feb 14 13:22:21 gyros kernel: 0x004a2100 : 70 : 74 > > Feb 14 13:22:22 gyros kernel: 0x00622100 : 94 : 98 > > Feb 14 13:22:25 gyros kernel: 0x00622100 : 94 : 98 > > Feb 14 13:22:26 gyros kernel: 0x004a2100 : 70 : 74 > > Feb 14 13:22:27 gyros kernel: 0x003c2300 : 56 : 60 > > Feb 14 13:22:28 gyros kernel: 0x00622100 : 94 : 98 > > Feb 14 13:22:28 gyros kernel: 0x003c2300 : 56 : 60 > > Feb 14 13:22:30 gyros kernel: 0x00f32300 : 239 : 243 > > Feb 14 13:22:30 gyros kernel: 0x003c2100 : 56 : 60 > > Feb 14 13:22:31 gyros kernel: 0x005c2300 : 88 : 92 > > Feb 14 13:22:32 gyros kernel: 0x004a2100 : 70 : 74 > > Feb 14 13:22:33 gyros kernel: 0x003c2300 : 56 : 60 > > Feb 14 13:22:34 gyros kernel: 0x00622100 : 94 : 98 > > Feb 14 13:22:35 gyros kernel: 0x004a2100 : 70 : 74 > > Feb 14 13:22:36 gyros kernel: 0x00622100 : 94 : 98 > > Feb 14 13:22:46 gyros last message repeated 6 times > > Feb 14 13:22:47 gyros kernel: 0x003c2300 : 56 : 60 > > Feb 14 13:22:49 gyros kernel: 0x00622100 : 94 : 98 > > Feb 14 13:22:50 gyros kernel: 0x004a2100 : 70 : 74 > > Feb 14 13:22:51 gyros kernel: 0x00622100 : 94 : 98 > > Feb 14 13:22:55 gyros last message repeated 3 times > > Feb 14 13:22:56 gyros kernel: 0x005a2300 : 86 : 90 > > Feb 14 13:22:58 gyros kernel: 0x00622100 : 94 : 98 > > Feb 14 13:23:00 gyros kernel: 0x006e2300 : 106 : 110 > > Feb 14 13:23:00 gyros kernel: 0x00c12300 : 189 : 193 > > Feb 14 13:23:02 gyros kernel: 0x004a2100 : 70 : 74 > > Feb 14 13:23:03 gyros kernel: 0x00622100 : 94 : 98 > > Feb 14 13:23:03 gyros kernel: 0x01602300 : 348 : 352 > > Feb 14 13:23:05 gyros kernel: 0x004a2100 : 70 : 74 > > Feb 14 13:23:06 gyros kernel: 0x01002300 : 252 : 256 > > Feb 14 13:23:07 gyros kernel: 0x004a2100 : 70 : 74 > > Feb 14 13:23:08 gyros kernel: 0x003c2100 : 56 : 60 > > Feb 14 13:23:09 gyros kernel: 0x003c2100 : 56 : 60 > > Feb 14 13:23:09 gyros kernel: 0x003c2300 : 56 : 60 > > Feb 14 13:23:10 gyros kernel: 0x00622100 : 94 : 98 > > Feb 14 13:23:11 gyros kernel: 0x004a2100 : 70 : 74 > > Feb 14 13:23:13 gyros kernel: 0x00c12300 : 189 : 193 > > Feb 14 13:23:14 gyros kernel: 0x003e2100 : 58 : 62 > > Feb 14 13:23:14 gyros kernel: 0x006e2300 : 106 : 110 > >=20 > > Additionally, while I wasn't seeing a large number of interrupts, I > > tried disabling MSI/MSI-X just as a test, and that had no effect. > > Netstat-wise, I have currently received 5645 packets with 847 input > > errors. TCP-wise, I have received 3447 TCP packets with 334 > > out-of-order packets. > >=20 >=20 > Hmm, this is very strange to me. > If the packet is normal ICMP echo request packet its packet length > on receiver side should be 98 bytes(14(ethernet hdr) + 20(IP hdr) + > 8(icmp hdr) + 56(icmp data)). However the output shows various > packet length ranging from 56 to 590. In addition msk(4) showed the > received packet length differences between MAC and host and all those > packets were VLAN tagged packet. Do you use VLAN on your environments? No, just straight, untagged ethernet. >=20 > Assuming you've just sent non-VLAN tagged ICMP echo request packet > it would be the result of speed/duplex mismatch. This is strange since I have tried all modes, and I did not see this problem using the old myk driver on 6.X. However, those are a lot of variables. I'll try another switch of which I have more control to see if it makes a difference. Joe --=20 Joe Marcus Clarke FreeBSD GNOME Team :: gnome@FreeBSD.org FreeNode / #freebsd-gnome http://www.FreeBSD.org/gnome --=-GIJ/zi/0ea1vKrUVpd3e Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (FreeBSD) iD8DBQBF0/nbb2iPiv4Uz4cRAmboAJsFJCFXQoRyqkOujvojldDGwLLLXQCdEYEb yb201x+/upcXIe+DyFV2zck= =6Sso -----END PGP SIGNATURE----- --=-GIJ/zi/0ea1vKrUVpd3e--
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