Are you sure this is the failure case? I ask since it seems like the e1000e is claiming the device and assigning it irq 47 for use with MSI based on the snippet from the log below. I would have expected to see an error stating that it failed to load the driver on the interface.
Thanks, Alex On 11/08/2012 10:31 AM, Mark Bidewell wrote: > Thanks. Here is the logging in the failure case: > [ 1.139788] e1000e: Intel(R) PRO/1000 Network Driver - 2.0.0-k > [ 1.139791] e1000e: Copyright(c) 1999 - 2012 Intel Corporation. > [ 1.139828] e1000e 0000:00:19.0: >setting latency timer to 64 > [ 1.139899] e1000e 0000:00:19.0: >Interrupt Throttling Rate (ints/sec) set > to dynamic conservative mode > [ 1.139934] e1000e 0000:00:19.0: >irq 47 for MSI/MSI-X > I have been tracking the issue with Ubuntu here: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1072722 > > > On Thu, Nov 8, 2012 at 1:04 PM, Alexander Duyck > <alexander.h.du...@intel.com <mailto:alexander.h.du...@intel.com>> wrote: > > Mark, > > I could recommend checking the dmesg log after you have > unloaded/reloaded the e1000e driver. There is likely an error that is > being reported that is preventing the driver from loading and knowing > what the error is that is being reported would go a long way toward > telling us what the issue is. > > The difference between the working and non-working case is likely > due to > the fact that the driver enables bus mastering and MSI interrupts once > it is loaded. In the case where it didn't load it will not have > enabled > bus mastering or MSI interrupts. > > Thanks, > > Alex > > On 11/08/2012 08:29 AM, Mark Bidewell wrote: > > Thank you, that is what I suspect but since it worked up until > recently, I > > thought it would be good to check. I tried to recovery reflash > the BIOS > > after replacing the battery (I am already at the latest - so no > update) no > > way to know if it actually did the reflash. Should the e1000e > be able to > > support the HW configuration in the non-working case (IRQ 20, no > MSI, no > > bus master)? Because even when lspci reports IRQ 20, e1000e > still looks at > > 46. > > > > Thanks > > -- > Mark Bidewell > http://www.linkedin.com/in/markbidewell ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov _______________________________________________ E1000-devel mailing list E1000-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired