Another RPI3 panic: Assertion td->td_lock == TDQ_LOCKPTR(tdq)

[bob prohaska]

On Sun, Jan 28, 2018 at 12:25:54PM -0800, bob prohaska wrote:
> For the second time during an OS build attempt a Pi3 running r328436 has
> crashed with 
> 
> panic: Assertion td->td_lock == TDQ_LOCKPTR(tdq) failed at /usr/src/sys/kern/sched_ule.c:2019
> 
> Console, top and build logs are at
> http://www.zefox.net/~fbsd/rpi3/crashes/20180128/
> 
> The log files are from kernel building. Unfortunately I didn't
> capture the world build console and log. 

Happened again on r328519, this time compiling firefox-esr. 
Console, top and log at
http://www.zefox.net/~fbsd/rpi3/crashes/20180202/

Thanks for reading,

bob prohaska