Re: Devd / devmatch(8) -- netif race 12-RC1

On Wed, Nov 21, 2018, 11:43 PM Dan Partelly <dan_partelly_at_rdsor.ro wrote:

> wireless lagg initialization is broken in this scenario, all-right. The
> init/rc system as it is now can’t cope easily with a modern asynchronous
> initialization sequence. Sure you could probably find an order which works,
> only to find yourself in trouble next time you want  add some modern
> functionality  . It shows it’s age
>
> _at_Warner
>
> Could you tell me please if devmatcher supports taking over a PCI device
> which is attached by a generic driver already ? vga attaching modern GPUs
> comes to mind .
>

No. Newbus doesn't currently support reprobing, though some preliminary
support. I have it on my list.

Warner


Dan
>
>
> > On Nov 20, 2018, at 15:26, Bjoern A. Zeeb <
> bzeeb-lists_at_lists.zabbadoz.net> wrote:
> >
> > On 20 Nov 2018, at 8:17, dan_partelly_at_rdsor.ro wrote:
> >
> >>>> No, that's not what's happening. wlan0 isn't racing anything, because
> it's no longer listed in ifconfig
> >>
> >>
> >> But when is created lagg0 ? Acording rc output on screen , creation of
> cloned interface lagg0 takes place before wlan0 is created. Then this
> means SIOCLAGPORT will fail with Invalid argument.  Also lagg0 is started
> at netif time as far as I know.
> >> Firmware for the wireless card is loaded later, and only even later
> wlan0 is created. So the way I see it, lagg0 cannot have a wlan0 port until
> firmware for the card is loaded and wlan0 is created, which takes place way
> after the system attempts to configure lagg0  ? Am I missing something ?
> >
> > lagg might be a problem.
> >
> >
> > While we are on the topic: I also noticed on a fixed 10G card that the
> network startup it went through strangely wasn’t the same as it was when
> the driver was loaded and service netif start was called again.  I have not
> had time to debug that any further.
> >
> >
> >> Also, can you please tell me what happens that devmatch tries to load
> uhidd multiple times ?
> >
> > That’s probably similar to
> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=232782 ?
>
>