SMP alternatives: switching to SMP code
Booting processor 3/4 APIC 0x3
と出ていてハングアップしていたので
一旦電源OFFして起動。
dmesgを見てみると、
・・・
Using local APIC timer interrupts.
result 10416782
Detected 10.416 MHz APIC timer.
SMP alternatives: switching to SMP code
Booting processor 1/4 APIC 0x1
Initializing CPU#1
Calibrating delay using timer specific routine.. 3333.32 BogoMIPS (lpj=1666661)
CPU: L1 I cache: 32K, L1 D cache: 24K
CPU: L2 cache: 512K
CPU: Physical Processor ID: 0
CPU: Processor Core ID: 0
CPU1: Thermal monitoring enabled (TM1)
Intel(R) Atom(TM) CPU D510 @ 1.66GHz stepping 0a
SMP alternatives: switching to SMP code
Booting processor 2/4 APIC 0x2
Initializing CPU#2
Calibrating delay using timer specific routine.. 3333.40 BogoMIPS (lpj=1666704)
CPU: L1 I cache: 32K, L1 D cache: 24K
CPU: L2 cache: 512K
CPU: Physical Processor ID: 0
CPU: Processor Core ID: 1
CPU2: Thermal monitoring enabled (TM1)
Intel(R) Atom(TM) CPU D510 @ 1.66GHz stepping 0a
SMP alternatives: switching to SMP code
Booting processor 3/4 APIC 0x3
Initializing CPU#3
Calibrating delay using timer specific routine.. 3333.41 BogoMIPS (lpj=1666708)
CPU: L1 I cache: 32K, L1 D cache: 24K
CPU: L2 cache: 512K
CPU: Physical Processor ID: 0
CPU: Processor Core ID: 1
CPU3: Thermal monitoring enabled (TM1)
Intel(R) Atom(TM) CPU D510 @ 1.66GHz stepping 0a
Brought up 4 CPUs
testing NMI watchdog … OK.
・・・
なのでCPU3に問題があるようだ。