Re: HEADS UP: Raspberry PI kernel in armv7 now built from GENERIC

[Jared McNeill <jmcneill%invisible.ca@localhost>]

I just committed a fix for this.

On Tue, 23 Jul 2019, Rin Okuyama wrote:

> Thank you for quick fix!
>
> The system does no longer hang during boot. However, input from
> serial console does not work with console=fb (output works
> normally). When console=fb is not specified, input from serial
> console works fine.
>
> Thanks,
> rin
>
> On 2019/07/23 21:15, Nick Hudson wrote:
> > On 21/07/2019 16:23, Rin Okuyama wrote:
> > > Hi,
> > >
> > > I examined this problem of GENERIC kernel on my RPI2B-1.2 a little
> > > bit further.
> > >
> > > It seems that WSDISPLAY_MULTICONS (enabled in GENERIC, disabled in
> > > RPI*) does not work on machines that use plcom0 as console.
> > >
> > > GENERIC kernel works on RPI2B-1.2 if 'console=fb' is not specified
> > > in cmdline.txt, or 'console=fb' is specified but WSDISPLAY_MULTICONS
> > > is disabled. RPI2 kernel also hangs if 'console=fb' is specified and
> > > WSDISPLAY_MULTICONS is enabled.
> > >
> > > Also for RPI0W, RPI kernel hangs if 'console=fb' is specified and
> > > WSDISPLAY_MULTICONS is enabled.
> >
> > Thanks for the analysis.
> >
> > Hopefully this is now fixed with sys/arch/evbarm/dev/plcom.c:1.58
> >
> > Nick