[df5176] attempt 1: arming on cpu0 (1ms)
[df5176] task ta_pending=1 ta_queue == q0
[df5176] re-arming from cpu1 (2ms)
panic with 1 spinlocks held
panic: assertion "queue == task->ta_queue" failed in taskqueue_enqueue_locked at /usr/src/sys/kern/subr_taskqueue.c:206
cpuid = 1
Trace beginning at frame 0xfffff8004f072960
taskqueue_enqueue_locked() at taskqueue_enqueue_locked+0x159 0xffffffff806a3a19 
taskqueue_enqueue_locked() at taskqueue_enqueue_locked+0x159 0xffffffff806a3a19 
taskqueue_enqueue() at taskqueue_enqueue+0x45 0xffffffff806a4325 
__hrtimer_function() at __hrtimer_function+0x21 0xffffffff826448e1 
systimer_intr() at systimer_intr+0xd6 0xffffffff8065a2f6 
pcpu_timer_process_oncpu() at pcpu_timer_process_oncpu+0x82 0xffffffff8065b242 
Debugger("panic")

CPU1 stopping CPUs: 0x0000003d
 stopped
Stopped at      Debugger+0x7c:  movb    $0,0xbdaf09(%rip)
db>