BBB boot failure between r366365 and r366386

Ed Maste emaste at
Mon Oct 5 13:53:22 UTC 2020

Sometime after r366365 and up to r366365 BBB stopped booting in the HW
test environment.

Last successful build:
First failing build:

The kernel starts up but ends up in U-Boot again:

ARM Debug Architecture not supported
KDB: debugger backends: ddb
KDB: current backend: ddb
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FreeBSD 13.0-CURRENT #288 r366440: Mon Oct  5 13:23:01 UTC 2020
    root at FreeBSD-head-armv7-build_devtest.jail:/usr/obj/usr/src/arm.armv7/sys/GENERIC
FreeBSD clang version 11.0.0 (git at
WARNING: WITNESS option enabled, expect reduced performance.
VT: init without driver.
No PSCI/SMCCC call function found
CPU: ARM Cortex-A8 r3p2 (ECO: 0x00000000)
CPU Features:
  Thumb2, Security, VMSAv7
Optional instructions:
LoUU:2 LoC:3 LoUIS:1
Cache level 1:
 32KB/64B 4-way data cache WT WB Read-Alloc
 32KB/64B 4-way instruction cache Read-Alloc
Cache level 2:
 256KB/64B 8-way unified cache WT WB Read-Alloc Write-Alloc
real memory  = 536055808 (511 MB)
avail memory = 506232832 (482 MB)
Texas Instruments AM335x Processor, Revision ES2.1
random: unblocking device.

U-Boot SPL 2020.07 (Sep 24 2020 - 04:58:48 +0000)
Trying to boot from MMC2

U-Boot 2020.07 (Sep 24 2020 - 04:58:48 +0000)

CPU  : AM335X-GP rev 2.1
Model: TI AM335x BeagleBone Black
DRAM:  512 MiB

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