wandboard SMP panic

Tom Everett tom at 0x544745.com
Sun Aug 24 00:58:08 UTC 2014

Hello everyone.  I am seeing a new panic booting Wandboard:

Loaded DTB from file 'wandboard-quad.dtb'.

Kernel entry at 0x12000100...

Kernel args: (null)

KDB: debugger backends: ddb
KDB: current backend: ddb
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FreeBSD 11.0-CURRENT #0 r270430M: Sat Aug 23 17:24:21 MDT 2014
tom at bernice:/storage/home/tom/crochet/crochet-freebsd/work/obj/arm.armv6/storage/home/tom/crochet/src/FreeBSDHead/head/sys/IMX6 
FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512
CPU: Cortex A9-r2 rev 10 (Cortex-A core)
  Supported features: ARM_ISA THUMB2 JAZELLE THUMBEE ARMv4 Security_Ext
  WB disabled EABT branch prediction enabled
LoUU:2 LoC:1 LoUIS:2
Cache level 1:
  32KB/32B 4-way data cache WB Read-Alloc Write-Alloc
  32KB/32B 4-way instruction cache Read-Alloc
real memory  = 2147483648 (2048 MB)
avail memory = 2093891584 (1996 MB)
WARNING: Some AP's failed to start
FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
random device not loaded; using insecure entropy
panic: Built bad topology at 0xc2510fb4.  CPU mask (f) != (1)
cpuid = 0
KDB: enter: panic
[ thread pid 0 tid 100000 ]
Stopped at      $d:     ldrb    r15, [r15, r15, ror r15]!

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