svn commit: r333345 - head/sys/dev/e1000

[Mark Johnston]

On Tue, May 08, 2018 at 01:39:45AM +0000, Matt Macy wrote:
> Author: mmacy
> Date: Tue May  8 01:39:45 2018
> New Revision: 333345
> URL: https://svnweb.freebsd.org/changeset/base/333345
> 
> Log:
>   Sleep rather than spin in e1000 when doing long running config operations.
>   
>   With r333218 it is now possible for drivers to use an sx lock and thus sleep while
>   waiting on long running operations rather than DELAY().
>   
>   Reported by:	gallatin
>   Reviewed by:	sbruno
>   Approved by:	sbruno
>   MFC after:	1 month
>   Sponsored by:	Limelight Networks
>   Differential Revision:	https://reviews.freebsd.org/D14984

I'm getting a panic during boot with this change: "unknown mac type d".

It occurs while the driver is attaching to:

em0 at pci0:1:0:0: class=0x020000 card=0x7044103c chip=0x105e8086 rev=0x06 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = '82571EB Gigabit Ethernet Controller'
    class      = network
    subclass   = ethernet