I believe there is a patch that should resolve this which is currently in our internal queue and should be pushed upstream soon.
> -----Original Message----- > From: Ronciak, John [mailto:[email protected]] > Sent: Wednesday, January 22, 2014 7:19 PM > To: Marc MERLIN; [email protected] > Subject: Re: [E1000-devel] Unplugging ethernet cable causes 'e1000e > 0000:00:19.0 eth0: Detected Hardware Unit Hang:' > > This could be a BIOS issue. Do you have the latest one for your system? It > looks like the Ethernet device wasn't suspended correctly which seems to > be happening here. > > So this doesn't happen if you have a cable with link plugged in to the port? > > Are you also saying that it's only happening on the T540p and not on the > T530? If yes then this point to BIOS again. > > Please let us know. > > Cheers, > John > > > > -----Original Message----- > > From: Marc MERLIN [mailto:[email protected]] > > Sent: Wednesday, January 22, 2014 4:59 PM > > To: [email protected] > > Subject: [E1000-devel] Unplugging ethernet cable causes 'e1000e > > 0000:00:19.0 eth0: Detected Hardware Unit Hang:' > > > > Howdy, > > > > On a thinkpad T540p (but I could swear I had this on my T530 too), if I > > unplug the ethernet cable I was using, NM switches back to wireless and > > all is good, except that my logs get heavily spammed with: > > > > > > e1000e 0000:00:19.0 eth0: Detected Hardware Unit Hang: > > TDH <0> > > TDT <4> > > next_to_use <4> > > next_to_clean <0> > > buffer_info[next_to_clean]: > > time_stamp <10016edb7> > > next_to_watch <0> > > jiffies <100174da5> > > next_to_watch.status <0> > > MAC Status <80080> > > PHY Status <7949> > > PHY 1000BASE-T Status <0> > > PHY Extended Status <3000> > > PCI Status <10> > > > > I get one log entry every 2 seconds forever (or until I unload e1000e) > > > > I have > > 00:19.0 Ethernet controller: Intel Corporation Device 153a (rev 04) > > > > Kernel: 3.12.7 > > > > Boot says: > > e1000e: Intel(R) PRO/1000 Network Driver - 2.3.2-k > > e1000e: Copyright(c) 1999 - 2013 Intel Corporation. > > e1000e 0000:00:19.0: setting latency timer to 64 > > e1000e 0000:00:19.0: Interrupt Throttling Rate (ints/sec) set to > > dynamic conservative mode > > e1000e 0000:00:19.0: irq 48 for MSI/MSI-X > > > > rmmod e1000e makes this go away, but the interface does not seem to > > work > > after I do modprobe e1000e > > (dhcp never completes, and tcpdump -n -i eth0 shown no inbound traffic) > > > > At that point, fix seems to be a reboot. > > > > Scratch that, going to S3 sleep and waking up seems to fix it too. > > > > Last, but not least, before my last reboot when eth0 was wedged, I was > > seeing > > this: > > kernel: [231510.362713] e1000e 0000:00:19.0 eth0: Error reading PHY > > register > > kernel: [231511.162238] e1000e 0000:00:19.0 eth0: Error reading PHY > > register > > kernel: [231511.961733] e1000e 0000:00:19.0 eth0: Error reading PHY > > register > > kernel: [231512.761187] e1000e 0000:00:19.0 eth0: Error reading PHY > > register > > kernel: [231513.560625] e1000e 0000:00:19.0 eth0: Error reading PHY > > register > > kernel: [231514.360756] e1000e 0000:00:19.0 eth0: Error reading PHY > > register > > kernel: [231515.160201] e1000e 0000:00:19.0 eth0: Error reading PHY > > register > > kernel: [231515.959637] e1000e 0000:00:19.0 eth0: Error reading PHY > > register > > laptop-mode: Switched auto-negotiation to on for eth0 > > laptop-mode: Cannot advertise speed 1000 > > laptop-mode: Restored speed to 1000 Mbit for eth0 > > > > Any ideas? > > > > Thanks, > > Marc > > -- > > "A mouse is a device used to point at the xterm you want to type in" - > > A.S.R. > > Microsoft is to operating systems .... > > .... what McDonalds is to gourmet > > cooking > > Home page: http://marc.merlins.org/ | PGP > > 1024R/763BE901 > > > > ----------------------------------------------------------------------- > > ------- > > CenturyLink Cloud: The Leader in Enterprise Cloud Services. > > Learn Why More Businesses Are Choosing CenturyLink Cloud For > > Critical Workloads, Development Environments & Everything In Between. > > Get a Quote or Start a Free Trial Today. > > > http://pubads.g.doubleclick.net/gampad/clk?id=119420431&iu=/4140/ostg. > c > > lktrk > > _______________________________________________ > > 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 > > ------------------------------------------------------------------------------ > CenturyLink Cloud: The Leader in Enterprise Cloud Services. > Learn Why More Businesses Are Choosing CenturyLink Cloud For > Critical Workloads, Development Environments & Everything In Between. > Get a Quote or Start a Free Trial Today. > http://pubads.g.doubleclick.net/gampad/clk?id=119420431&iu=/4140/ostg. > clktrk > _______________________________________________ > 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 ------------------------------------------------------------------------------ CenturyLink Cloud: The Leader in Enterprise Cloud Services. 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