Re: console=fb ignored when root=sd0a on pi (model Bv2)

[Andrew Cagney <andrew.cagney%gmail.com@localhost>]

On 29 February 2016 at 04:48, Michael van Elst <mlelstv%serpens.de@localhost> wrote:
> andrew.cagney%gmail.com@localhost (Andrew Cagney) writes:
>
>>has any one else tried or noticed this?
>
>>root=ld0a console=fb - things work as expected and shortly after
>>starting switch to hdmi
>>root=sd0a console=fb - things stick to the serial port?
>
> Nice. Does it work if you revert the order?

Yes, putting console=fb first avoids the problem:

NetBSD/evbarm (rpi) booting ...
[ Kernel symbol table missing! ]
Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
    2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
    The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 7.99.26 (RPI) #0: Mon Feb 22 14:20:58 EST 2016
    cagney@morgan:/home/cagney/NetBSD/trunk/evbearmv6hf-el/sys/arch/evbarm/compile/RPI
total memory = 448 MB
avail memory = 433 MB
sysctl_createv: sysctl_create(machine_arch) returned 17
mainbus0 (root)
cpu0 at mainbus0 core 0: 700 MHz ARM1176JZ-S r0p7 (ARM11J V6ZK core)
cpu0: DC enabled IC enabled WB enabled LABT
cpu0: 16KB/32B 4-way L1 VIPT Instruction cache
cpu0: 16KB/32B 4-way write-back-locking-C L1 VIPT Data cache
vfp0 at cpu0: VFP11, rounding, exceptions
obio0 at mainbus0
bcmicu0 at obio0
bcmmbox0 at obio0 intr 65: VC mailbox
vcmbox0 at bcmmbox0
bcmtmr0 at obio0 intr 3: VC System Timer
vchiq0 at obio0 intr 66: BCM2835 VCHIQ
bcmpm0 at obio0: Power management, Reset and Watchdog controller
bcmdmac0 at obio0: DMA0 DMA2 DMA4 DMA5 DMA8 DMA9 DMA10
bcmrng0 at obio0: RNG
plcom0 at obio0 intr 57
plcom0: txfifo disabled
plcom0: console
genfb0 at obio0: switching to framebuffer console

vs:

NetBSD/evbarm (rpi) booting ...
[ Kernel symbol table missing! ]
Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
    2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
    The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 7.99.26 (RPI) #0: Mon Feb 22 14:20:58 EST 2016
    cagney@morgan:/home/cagney/NetBSD/trunk/evbearmv6hf-el/sys/arch/evbarm/compile/RPI
total memory = 448 MB
avail memory = 433 MB
sysctl_createv: sysctl_create(machine_arch) returned 17
mainbus0 (root)
cpu0 at mainbus0 core 0: 700 MHz ARM1176JZ-S r0p7 (ARM11J V6ZK core)
cpu0: DC enabled IC enabled WB enabled LABT
cpu0: 16KB/32B 4-way L1 VIPT Instruction cache
cpu0: 16KB/32B 4-way write-back-locking-C L1 VIPT Data cache
vfp0 at cpu0: VFP11, rounding, exceptions
obio0 at mainbus0
bcmicu0 at obio0
bcmmbox0 at obio0 intr 65: VC mailbox
vcmbox0 at bcmmbox0
bcmtmr0 at obio0 intr 3: VC System Timer
vchiq0 at obio0 intr 66: BCM2835 VCHIQ
bcmpm0 at obio0: Power management, Reset and Watchdog controller
bcmdmac0 at obio0: DMA0 DMA2 DMA4 DMA5 DMA8 DMA9 DMA10
bcmrng0 at obio0: RNG
plcom0 at obio0 intr 57
plcom0: txfifo disabled
plcom0: console
genfb0 at obio0
wsdisplay0 at genfb0 kbdmux 1
[...]

> --
> --
>                                 Michael van Elst
> Internet: mlelstv%serpens.de@localhost
>                                 "A potential Snark may lurk in every tree."