svn commit: r311849 - in head: . sys/amd64/conf sys/arm64/conf sys/conf sys/dev/e1000 sys/i386/conf sys/mips/conf sys/modules sys/modules/em sys/modules/igb sys/powerpc/conf

[Ryan Stone]

There's also the issue that running "ifconfig igb0 blah" during startup
will cause if_igb to be automatically loaded by ifconfig.

I guess we could add a dummy if_igb.ko that just has a dependency on
if_em.ko

On Fri, Mar 10, 2017 at 1:13 PM, Warner Losh <imp at bsdimp.com> wrote:

> On Fri, Mar 10, 2017 at 11:06 AM, Sean Bruno <sbruno at freebsd.org> wrote:
> >
> >
> > On 02/15/17 03:06, Roger Pau Monné wrote:
> >> On Tue, Jan 10, 2017 at 03:23:22AM +0000, Sean Bruno wrote:
> >>> Author: sbruno
> >>> Date: Tue Jan 10 03:23:22 2017
> >>> New Revision: 311849
> >>> URL: https://svnweb.freebsd.org/changeset/base/311849
> >>>
> >>> Log:
> >>>   Migrate e1000 to the IFLIB framework:
> >>>   - em(4) igb(4) and lem(4)
> >>>   - deprecate the igb device from kernel configurations
> >>>   - create a symbolic link in /boot/kernel from if_em.ko to if_igb.ko
> >>
> >> This linking causes mfsBSD to choke when building an image from HEAD.
> It tries
> >> to issue the following command:
> >>
> >> ${_v}${CP} -rp ${_BOOTDIR}/kernel ${WRKDIR}/disk/boot
> >>
> >> Which fails when finding the symbol link. I can send a patch to change
> that to
> >> -Rp, which would work fine, but wouldn't it be better to either
> completely
> >> remove if_igb.ko, or simply copy if_em.ko to if_igb.ko?
> >>
> >> I'm wondering if for example anyone strips down it's /boot/kernel/
> manually, by
> >> removing unused modules, and what would happen if if_em.ko is removed
> but not
> >> if_igb.ko.
> >>
> >> Roger.
> >>
> >>
> >
> > Well, this was my naive attempt to make upgrades for users to be
> > non-eventful in the event they have "if_igb_load=YES" in their
> > loader.conf instead of having it built into their kernel.
> >
> > If the -Rp works, I'll add that instead.
>
> The module name is encoded in the module itself. The boot loader looks
> it up to see which module to load. Maybe there's a way to fix it so
> both load from one file?
>
> Warner
>
>