Hi,
"Peerless Deepak" <peerlessdriver@xxxxxxxxx> writes:
> Hello All,
>
> I am running a snmp application and it gets crashed even before it
> gets loaded in to the memory.
> I am pasting below the last few lines of strace output if had thrown.
>
> mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40
> 01d000
> mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40
> 01e000
> syscall_983045(0x4001dab0, 0x4001dab0, 0x4001e188, 0x40023000, 0x40, 0x40023000,
> 0, 0x44, 0xffff57c8, 0x400236e0, 0x40022fbc, 0xbec4da68, 0, 0xbec4d6f8, 0xfffff
> ff8, 0x40001888, 0x20000010, 0x4001dab0, 0xc4e0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
> , 0, 0) = 0
> mprotect(0x40342000, 4096, PROT_READ) = 0
> mprotect(0x40333000, 4096, PROT_READ) = 0
> mprotect(0x401be000, 204800, PROT_READ|PROT_WRITE) = 0
> mprotect(0x401be000, 204800, PROT_READ|PROT_EXEC) = 0
> mprotect(0x401ba000, 4096, PROT_READ) = 0
> mprotect(0x40022000, 4096, PROT_READ) = 0
> set_tid_address(0x4001d6a8) = 826
> rt_sigaction(SIGRTMIN, {0x401a56ec, [], SA_SIGINFO|0x4000000}, NULL, 8) = 0
> rt_sigaction(SIGRT_1, {0x401a55cc, [], SA_RESTART|SA_SIGINFO|0x4000000}, NULL, 8
> ) = 0
> rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
> getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0
> --- SIGSEGV (Segmentation fault) @ 0 (0) ---
> +++ killed by SIGSEGV +++
> Process 826 detached
>
strace only shows info of the system calls. The segfault might happen
in other places. You cannot locate the error only use strace.
Regards,
Wenhua
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