[Bug 234091] rpi 2b start with hight load, interrupts may be blamed

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234091

            Bug ID: 234091
           Summary: rpi 2b start with hight load, interrupts may be blamed
           Product: Base System
           Version: 12.0-RELEASE
          Hardware: arm
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: arm
          Assignee: freebsd-arm at FreeBSD.org
          Reporter: amutu at amutu.com

top:
last pid:  4063;  load averages:  2.12,  2.05,  2.01                           
                            up 0+07:13:40  16:30:25
41 processes:  1 running, 40 sleeping
CPU:  0.2% user,  0.0% nice,  0.4% system,  0.3% interrupt, 99.1% idle
Mem: 9996K Active, 38M Inact, 125M Wired, 85M Buf, 755M Free
Swap: 

vmstat -i:
vmstat -i
interrupt                                             total       rate
local_intc0,1: +                                   30806260       1182
local_intc0,3: +                                 1669499517      64082
local_intc0,8: +                                  210673186       8086
local_intc0,9: pmu0                                     505          0
intc0,1: mbox0                                           27          0
intc0,2: vchiq0                                           2          0
intc0,17: +                                       634007644      24336
intc0,28: bcm_dma0                                   869966         33
intc0,65: uart0                                         215          0
intc0,70: +                                          117236          4
cpu0:rendezvous                                         286          0
cpu1:rendezvous                                         299          0
cpu2:rendezvous                                         199          0
cpu3:rendezvous                                         143          0
cpu2:ast                                                  2          0
cpu3:ast                                                  2          0
cpu0:preempt                                         423859         16
cpu2:preempt                                        2940122        113
cpu3:preempt                                        2949969        113
cpu0:hardclock                                            8          0
Total                                            2552289447      97966

uname -a
FreeBSD rpi2 12.0-RELEASE FreeBSD 12.0-RELEASE r341666 GENERIC  arm

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