奇怪问题

jiangwy

运行程序出现下面的输出后进程被kill掉
Data Read PLB Error
Data Write PLB Error
Machine Check exception is imprecise
PLB0: BEAR=0x0000000fff800000 ACR=  0x9b000000 BESR= 0x0c800000
POB0: BEAR=0x0000000ff87f7dd4 BESR0=0x00000000 BESR1=0x00000000
OPB0: BEAR=0x0000000fdfffffff BSTAT=0x00000000
Oops: machine check, sig: 7 [#2]
NIP: C0002B54 LR: C00029FC SP: DBBA1F40 REGS: c02d5f50 TRAP: 0202    Not tainted
MSR: 00029000 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 00
TASK = dbb77030[193] 'LINUX_SURFUP_SA' THREAD: dbba0000
Last syscall: 4
GPR00: 00000000 DBBA1F40 DBB77030 00004000 00000001 00000000 DF4FFBA8 00000001
GPR08: 00000000 00000004 00029002 00000000 28000422 101081B8 00100584 100C0000
GPR16: 00000000 00000000 100D85C8 101D43A4 00000000 000000BF 101D6E34 00000000
GPR24: 1000D640 101D4034 0000000B 00000000 00001000 10105F34 1005F4D0 30800CF0
NIP [c0002b54] do_user_signal+0x8/0xc4
LR [c00029fc] ret_from_mcheck_exc+0x0/0xdc
请问这个是什么意思啊？