Re: BeagleBone Black doesn't boot without serial console (10.0 release)

["Dr. Nicola Mingotti" <nmingotti%gmail.com@localhost>]

update:

the behavior is the same in CURRENT

for the BBB i move to CURRENT

bye
nicola


On Fri-11-Oct-2024 11:19, Dr. Nicola Mingotti wrote:
> Hi,
>
> Running NetBSD-10.0 release in BeagleBone black
>
> I detected this problem, the system does not boot if I remove the 
> serial console.
> I have not HDMI nor keyboard, this system must be headless, serial 
> console
> is just for installation/debug.
>
> The system runs from microSD, i wiped emmc to be
> sure it doesn't try to boot from there.
>
> If i keep the serial console attached (3 cables in connector J1) all 
> works.
> Reboot, poweroff, poweron, all ok.
>
> If i remove the searial console from the J1
> and i poweroff + remove power + give power, the boot stops,
> i reconnect the serial console and i see this:
> -------------------------------
>
> Bad character
> netbsd:cpu_Debugger+0x4:        e12fff1e
> db{0}>
> netbsd:db_machine_init: e30a3338
> db{0}>
> netbsd:db_machine_init+0x4:     e34830aa
> db{0}> help
> b               delete          match           search          w
> break           dmesg           next            set watch
> bt              dwatch          p               show whatis
> c               examine         print           sifting write
> call            exit            ps              step            x
> callout         help            quit            sync
> continue        kill            reboot          trace
> d               machine         s               until
> db{0}> boot
> No such command: boot
> db{0}> quit
> Fri Oct 11 10:54:08 CEST 2024
> Starting root file system check:
> /dev/rld0a: file system is clean; not checking
> fdisk: Cannot determine the number of heads
> Not resizing /: logging unsupported
> Starting devpubd.
> Setting sysctl variables:
> ddb.onpanic: 1 -> 0
> Starting file system checks:
> /dev/rld0e: 606 files, 25957 free (25957 clusters)
> Loaded entropy from /var/db/entropy-file.
> Waiting for entropy...done
> ...
> -------------------------------
>
> So if i just type 'quit' the system resume booting correctly.
>
> Is there a configuration to make it boot ?
>
> If there is no other way i will use CURRENT but this baby
> goes in production, I wish to see it working for years,
> i guess i have better chances with RELEASE.
>
> please let me know
>
> bye
> Nicola