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
> 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
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