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Message-ID: <4FA14EC6.6050207@linuxsystems.it>
Date: Wed, 02 May 2012 17:12:06 +0200
From: Niccolò Belli <darkbasic@...uxsystems.it>
To: Stephen Hemminger <shemminger@...tta.com>
CC: netdev@...r.kernel.org
Subject: Re: sky2 still badly broken
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
some more tests:
Point to point: works flawlessly.
Attached to the switch: rx errors, even downloading a very small 89 KB
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
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
length 1468*
[ 1179.544110] *sky2 0000:06:00.0: eth0: rx error, status 0x7ffc0001
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
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
length 1468*
[ 1379.618257] device eth0 left promiscuous mode
Switch is a Netgear GS724Tv3 firmware 5.0.3.5
Cheers,
Niccolò
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