From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: [Bugme-new] [Bug 10990] New: e1000/e1000e driver doesn't work with gigabit connection Date: Thu, 26 Jun 2008 12:01:04 -0700 Message-ID: <20080626120104.2dd670d1.akpm@linux-foundation.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, mjc@avtechpulse.com, bugme-daemon@bugzilla.kernel.org To: e1000-devel@lists.sourceforge.net Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: e1000-devel-bounces@lists.sourceforge.net Errors-To: e1000-devel-bounces@lists.sourceforge.net List-Id: netdev.vger.kernel.org (switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Thu, 26 Jun 2008 11:49:14 -0700 (PDT) bugme-daemon@bugzilla.kernel.org wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=10990 > > Summary: e1000/e1000e driver doesn't work with gigabit connection > Product: Drivers > Version: 2.5 > KernelVersion: 2.6.25.6-55.fc9.i686 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: Network > AssignedTo: jgarzik@pobox.com > ReportedBy: mjc@avtechpulse.com > > > Linux lyra 2.6.25.6-55.fc9.i686 #1 SMP Tue Jun 10 16:27:49 EDT 2008 i686 i686 > i386 GNU/Linux > > I have a multiple HP DC7700s with integrated Intel ethernet adapters. They work > when the network cable is plugged into a 10/100 port on a switch. They do not > work when plugged into a 10/100/1000 port. I also have DC7700s with integrated > Broadcom chips (tg3 driver) and they work fine. > > >From dmesg: > e1000e: Intel(R) PRO/1000 Network Driver - 0.2.0 > e1000e: Copyright (c) 1999-2007 Intel Corporation. > ... > eth0: (PCI Express:2.5GB/s:Width x1) 00:0f:fe:4a:68:37 > eth0: Intel(R) PRO/1000 Network Connection > eth0: MAC: 4, PHY: 6, PBA No: 1002ff-0ff > > When plugged into a 10/100/1000 porting, forcing: > ethtool -s eth0 autoneg off speed 1000 duplex full > > results in erratic (some pings work) or dead operation (no pings work). > > Using: > ethtool -s eth0 autoneg off speed 100 duplex full > > seems to work OK. > > Returning it to autoneg results in erratic/dead operation: > > [root@lyra ~]# ethtool -s eth0 autoneg on > [root@lyra ~]# ethtool eth0 > Settings for eth0: > Supported ports: [ TP ] > Supported link modes: 10baseT/Half 10baseT/Full > 100baseT/Half 100baseT/Full > 1000baseT/Full > Supports auto-negotiation: Yes > Advertised link modes: 10baseT/Half 10baseT/Full > 100baseT/Half 100baseT/Full > 1000baseT/Full > Advertised auto-negotiation: Yes > Speed: 1000Mb/s > Duplex: Full > Port: Twisted Pair > PHYAD: 1 > Transceiver: internal > Auto-negotiation: on > Supports Wake-on: pumbag > Wake-on: g > Current message level: 0x00000001 (1) > Link detected: yes > [root@lyra ~]# ping server2 > PING server2.domain.avtechpulse.com (192.168.0.3) 56(84) bytes of data. > 64 bytes from server2.domain.avtechpulse.com (192.168.0.3): icmp_seq=1 ttl=64 > time=0.079 ms > 64 bytes from server2.domain.avtechpulse.com (192.168.0.3): icmp_seq=2 ttl=64 > time=0.158 ms > 64 bytes from server2.domain.avtechpulse.com (192.168.0.3): icmp_seq=7 ttl=64 > time=0.161 ms > 64 bytes from server2.domain.avtechpulse.com (192.168.0.3): icmp_seq=11 ttl=64 > time=0.113 ms > 64 bytes from server2.domain.avtechpulse.com (192.168.0.3): icmp_seq=12 ttl=64 > time=0.131 ms > 64 bytes from server2.domain.avtechpulse.com (192.168.0.3): icmp_seq=17 ttl=64 > time=0.127 ms > ^C > --- server2.domain.avtechpulse.com ping statistics --- > 18 packets transmitted, 6 received, 66% packet loss, time 17553ms > rtt min/avg/max/mdev = 0.079/0.128/0.161/0.028 ms > [root@lyra ~]# > > This was confirmed with multiple 10/100/1000 switches from different > manufacturers. > > > [root@lyra ~]# more /etc/modprobe.conf > alias eth0 e1000e #same behaviour with "e1000" > alias scsi_hostadapter libata > alias scsi_hostadapter1 ata_piix > alias snd-card-0 snd-hda-intel > options snd-card-0 index=0 > options snd-hda-intel index=0 > > > Need any additional data? > > - Mike > ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php