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用了clone之后有时候会出现如下提示:
Unhandled fault: vector exception (0x800) at 0x00000000
Internal error: : 800 [#1]
CPU: 0
pc : [<81055cf0>] lr : [<0228c081>] Not tainted
sp : 812fff58 ip : 000814fa fp : 00000000
r10: 00000000 r9 : 00000013 r8 : 00000001
r7 : 0010f340 r6 : 815931e0 r5 : 01052081 r4 : ffffffff
r3 : 814fa528 r2 : 00000023 r1 : 814fa5f4 r0 : 814fa5f4
Flags: Nzcv IRQs off FIQs on Mode SVC_32 Segment kernel
Process systemguard.flt (pid: 22, stack limit = 0x812fe250)
Stack: (0x812fff58 to 0x81300000)
ff40: 814fa528 811febe8
ff60: 81050ec8 815aaae0 811febe8 815931e0 81050fc0 815931e0 812fe000 811e9fb0
ff80: 00000000 81033fe8 815a2800 81032fc4 816808cc 8169ff48 00000078 81022980
ffa0: 00000000 81022800 00000000 816808cc 00000000 00000001 00000001 81682c24
ffc0: 00000000 816808cc 8169ff48 00000001 8169ff72 00000000 8168b330 8169fff8
ffe0: 8169ffcc 8169ffd4 81684e38 816815fc 60000010 00000000 e3a06901 e1d430b0
Backtrace: no frame pointer
Code: e1520005 0a000020 e594e028 e1a00001 (e58e5000)
Fixing recursive fault but reboot is needed!
用vfork没有问题,但是不能实现守护进程的功能 |
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