From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-1?Q?Niccol=F2_Belli?= Subject: Re: sky2 still badly broken Date: Wed, 02 May 2012 17:12:06 +0200 Message-ID: <4FA14EC6.6050207@linuxsystems.it> References: <4F9AFE4E.8010108@linuxsystems.it> <20120430122501.5fff4b1e@nehalam.linuxnetplumber.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: netdev@vger.kernel.org To: Stephen Hemminger Return-path: Received: from mail.linuxsystems.it ([2.119.245.41]:42451 "EHLO mail.linuxsystems.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754391Ab2EBPLF (ORCPT ); Wed, 2 May 2012 11:11:05 -0400 In-Reply-To: <20120430122501.5fff4b1e@nehalam.linuxnetplumber.net> Sender: netdev-owner@vger.kernel.org List-ID: Il 30/04/2012 21:25, Stephen Hemminger ha scritto: > You are getting CRC and FIFO overrun errors. What laptop is this? > Everything works fine on my old Fuijitsu with same chip (but rev 14). > You could try taking out the status bit checks and see if the > packets are really okay and the Marvell chip is complaining about > bogus status. I compiled 3.4-rc5 + both sky2 patches you recently published and I did= =20 some more tests: Point to point: works flawlessly. Attached to the switch: rx errors, even downloading a very small 89 KB=20 file :( This is the dump using IPv4: http://files.linuxsystems.it/temp/2012-05/sky2_ipv4.pcap dmesg (I did an rmmod -f sky2 before doing the test): [ 1147.885026] sky2 0000:06:00.0: eth0: disabling interface [ 1148.909548] sky2: driver version 1.30 [ 1148.909764] sky2 0000:06:00.0: Yukon-2 EC Ultra chip revision 3 [ 1148.914367] sky2 0000:06:00.0: irq 45 for MSI/MSI-X [ 1148.916310] sky2 0000:06:00.0: eth0: addr 00:13:77:b4:1b:fa [ 1148.942297] sky2 0000:06:00.0: eth0: enabling interface [ 1148.944225] ADDRCONF(NETDEV_UP): eth0: link is not ready [ 1151.496295] sky2 0000:06:00.0: eth0: Link is up at 1000 Mbps, full=20 duplex, flow control rx [ 1151.497614] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 1178.479437] device eth0 entered promiscuous mode [ 1179.541707] *sky2 0000:06:00.0: eth0: rx error, status 0x7ffc0001=20 length 1468* [ 1179.544110] *sky2 0000:06:00.0: eth0: rx error, status 0x7ffc0001=20 length 1468* [ 1181.642598] device eth0 left promiscuous mode This is the dump using IPv6: http://files.linuxsystems.it/temp/2012-05/sky2_ipv6.pcap dmesg (I did an rmmod -f sky2 before doing the test): [ 1314.225572] sky2 0000:06:00.0: eth0: disabling interface [ 1315.248523] sky2: driver version 1.30 [ 1315.248731] sky2 0000:06:00.0: Yukon-2 EC Ultra chip revision 3 [ 1315.249333] sky2 0000:06:00.0: irq 45 for MSI/MSI-X [ 1315.250307] sky2 0000:06:00.0: eth0: addr 00:13:77:b4:1b:fa [ 1315.271364] sky2 0000:06:00.0: eth0: enabling interface [ 1315.273015] ADDRCONF(NETDEV_UP): eth0: link is not ready [ 1317.875985] sky2 0000:06:00.0: eth0: Link is up at 1000 Mbps, full=20 duplex, flow control rx [ 1317.877311] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 1345.946062] device eth0 entered promiscuous mode [ 1349.119848] device eth0 left promiscuous mode [ 1376.231698] device eth0 entered promiscuous mode [ 1377.369095] *sky2 0000:06:00.0: eth0: rx error, status 0x7ffc0001=20 length 1468* [ 1379.618257] device eth0 left promiscuous mode Switch is a Netgear GS724Tv3 firmware 5.0.3.5 Cheers, Niccol=F2