12-STABLE revision 344629: pid 26 (sh), jid 0, uid 0: exited on signal 11

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Running 12-STABLE and CURRENT on a PCengine APU4C (CPU: AMD GX-412TC SOC,  Coreboot Version:
v4.9.0.2), I ran into trouble running latest 12-STABLE on that hardware.

The box is quitting with


[...]
mmcsd0: 31GB <SDHC SD32G 3.0 SN 01801299 MFG 09/2015 by 39 PH> at mmc0 50.0MHz/4bit/65535-block
ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
ada0: <TS64GMSA370 O1225G> ACS-2 ATA SATA 3.x device
ada0: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 1024bytes)
ada0: Command Queueing enabled
ada0: 61057MB (125045424 512 byte sectors)
Trying to mount root from ufs:/dev/gpt/dsks1a [ro]...
TCP Hpts created 4 swi interrupt thread and bound 0
uhub1: 4 ports with 4 removable, self powered
pid 26 (sh), jid 0, uid 0: exited on signal 11
2019-02-27T19:42:35.721885+01:00  init 1 - - /bin/sh on /etc/rc terminated abnormally, going
to single user mode Enter root password, or ^D to go multi-user
Password:
uhub0: 2 ports with 2 removable, self powered
ugen1.2: <vendor 0x0438 product 0x7900> at usbus1
uhub2 on uhub0
uhub2: <vendor 0x0438 product 0x7900, class 9/0, rev 2.00/0.18, addr 2> on usbus1
uhub2: 4 ports with 4 removable, self powered
random: unblocking device.
arc4random: no preloaded entropy cache
arc4random: no preloaded entropy cache
[...]


... and when typing the password, the prompter is immediately at

2019-02-27T19:42:35.721885+01:00  init 1 - - /bin/sh on /etc/rc terminated abnormally, going
to single user mode Enter root password, or ^D to go multi-user
Password:


Running 

FreeBSD 12.0-STABLE #36 r343871: Thu Feb  7 17:34:44 CET 2019 amd64

Doesn't show this phenomenon with the very same configuration and kernel.



- -- 

-----BEGIN PGP SIGNATURE-----

iHUEARYIAB0WIQSy8IBxAPDkqVBaTJ44N1ZZPba5RwUCXHbgQwAKCRA4N1ZZPba5
R7YAAP9Udj1wB9nq531VSQa7Bw3ZvGdbp1j8MaKUnO9iQ7/kJgEAkFq6jdn1SU7U
RwVXmAvNWqcD0YHJnjX6NZiLxfo+gwk=
=Xv7l
-----END PGP SIGNATURE-----