Re: [Bug 292695] rpi3b+ muge0 panic on shutdown

bob prohaska <[email protected]> Mon, 2 Feb 2026 08:16:44 -0800
Newsgroups gmane.os.freebsd.devel.arm
Message-ID <[email protected]>
On Mon, Feb 02, 2026 at 04:06:39PM +0100, Alex Samorukov wrote:
> 
> On 02.02.2026 15:30, bob prohaska wrote:
> > > > > This seems like a promising clue but I have no idea how to
> > > > > exploit it. Can anyone suggest experiments?
> > > > > 
> > > > > Thanks for reading,
> > > > > 
> > > > > bob prohaska
> > > > Did you tried it with my patch or w/o it?
> > Without. The sources are unmodified.
> Ah, okay, so wrong subject :) I was confused
> > 
> > > > I also found that leds are
> > > > broken in if_muge.c because of broken FDT binding. Thinking how to do a
> > > > better patch.
> > > > 
> > By "leds", do you mean those on the Ethernet jack, or the red/green LEDs
> > signifying power and activity?
> > 
> Ethernet jack. They are dead silent on rpi 3b+,  because of wrong fdt.
> 
> I did another patch for smcs which i feel is in use for on the rpi2:
> 
> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=290417

Looks like it works. No crash on shutdown, ethernet connected or not.

bob@www:~ % uname -apKU
FreeBSD www.zefox.org 16.0-CURRENT FreeBSD 16.0-CURRENT #7 main-n283373-58580dc0c694-dirty: Tue Feb  3 15:23:18 PST 2026     [email protected]:/usr/obj/usr/src/arm.armv7/sys/GENERIC arm armv7 1600011 1600011

Thank you!

bob prohaska