> -----Original Message----- > From: Philipp Kern [mailto:[email protected]] > Sent: Friday, June 29, 2012 9:10 AM > To: [email protected] > Subject: [E1000-devel] e1000e: only 10M full-duplex after suspend / > reloading module works > > Hi, > > I'm running a Debian kernel and at least since 3.2 I've got a problem with my > 82579LM (in a Thinkpad T420). If I plug in a network cable after waking my > laptop from suspend I get 10M full-duplex instead of the 100M or 1000M > the > other side is capable of. If I remove and re-insert the module I get full > speed > again, same for plugging it in after a reboot. > > e1000e does log something once in a while: > > [162714.160471] e1000e 0000:00:19.0: eth0: Unsupported Speed/Duplex > configuration > [162714.161177] e1000e 0000:00:19.0: eth0: Unsupported Speed/Duplex > configuration > > It's not directly correlatable with plugging in/out, though. Attached is a > snippet of `dmesg | grep e1000e'. At 162874.295608 you can observe a > module > removal / re-insert (driver version 1.5.1-k). Afterwards the full speed is > detected. I'm pretty sure that this is a regression as networking used to > work. But I'm not exactly sure if it happens immediately after the first > suspend. I think I tried and didn't succeed. > > lspci: 00:19.0 0200: 8086:1502 (rev 04) > uname: Linux spike.0x539.de 3.2.0-2-amd64 #1 SMP Mon Jun 11 17:24:18 > UTC 2012 x86_64 GNU/Linux > > Any clue on how to debug this? eth0 is pretty uncooperative when in this > state: > > pkern@spike:~$ sudo ethtool eth0 > Settings for eth0: > Cannot get device settings: No such device > Cannot get wake-on-lan settings: No such device > Cannot get message level: No such device > Cannot get link status: No such device > No data available > pkern@spike:~$ sudo rmmod e1000e > pkern@spike:~$ sudo modprobe e1000e > pkern@spike:~$ sudo ethtool eth0 > Settings for eth0: > Supported ports: [ TP ] > Supported link modes: 10baseT/Half 10baseT/Full > 100baseT/Half 100baseT/Full > 1000baseT/Full > Supported pause frame use: No > Supports auto-negotiation: Yes > Advertised link modes: 10baseT/Half 10baseT/Full > 100baseT/Half 100baseT/Full > 1000baseT/Full > Advertised pause frame use: No > Advertised auto-negotiation: Yes > Speed: Unknown! > Duplex: Unknown! (255) > Port: Twisted Pair > PHYAD: 2 > Transceiver: internal > Auto-negotiation: on > MDI-X: Unknown > Supports Wake-on: pumbg > Wake-on: g > Current message level: 0x00000001 (1) > drv > Link detected: no > > That's indeed without a cable attached. > > Kind regards > Philipp Kern
Please try: 1) checking for a BIOS update from Lenovo? 2) the latest upstream e1000e driver from e1000.sf.net 3) latest stable vanilla kernel ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ E1000-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
