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

On Mon, Feb 02, 2026 at 09:12:21AM +0100, Alex Samorukov wrote:
> 
> On 02.02.2026 8:44, Alex Samorukov 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. 

> > 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?

> I just updated the patch with led fixes. It seems that it was never tested
> after converting logic to FDT (or DTC changed?)

Is it certain that a patch to muge will affect an armv7 Pi2 v1.1? Kldstat
doesn't show it being loaded:
root@www:/home/bob # kldstat 
Id Refs Address        Size Name
 1   11 0xc0000000   e1aca0 kernel
 2    1 0xc0e1c000    24910 filemon.ko
 3    1 0xc0e41000    24d0c umodem.ko
 4    3 0xc0e66000    28274 ucom.ko
 5    1 0xdb800000    29000 uftdi.ko

If the patch will have an effect I'll give it a try.

Thanks for writing!

bob prohaska