Without the source, how should we know?
You will have to start debugging it yourself. Besides good old printf
debugging, there is also remote gdb you can use.

2010/3/3 Jesus arteche <[email protected]>:
> Hi,
>
> I'm compiling a c program that uses sqlite3 libraries...when I execute the
> program in my pc it works right...later I make  a cross compile using fon
> version of OpenWRT (SDK)...and when I execute in openWRT (fonera) it
> hangs...dont do anything here is the trace (I did with strace):
>
>
>
> execve("/mnt/usb/pruebasql", ["/mnt/usb/pruebasql"], [/* 8 vars */]) = 0
> svr4_syscall()                          = -1 ERRNO_4090 (Unknown error 4090)
> stat("/etc/ld.so.cache", 0x7fb88a60)    = -1 ENOENT (No such file or
> directory)
> open("/lib/libsqlite3.so.0", O_RDONLY)  = -1 ENOENT (No such file or
> directory)
> open("/lib/libsqlite3.so.0", O_RDONLY)  = -1 ENOENT (No such file or
> directory)
> open("/usr/lib/libsqlite3.so.0", O_RDONLY) = 3
> fstat(3, {st_mode=S_IFREG|0755, st_size=436063, ...}) = 0
> old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
> = 0x2aaae000
> read(3,
> "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\10\0\1\0\0\0\0\216\0\0004\0\0\0"...,
> 4096) = 4096
> old_mmap(NULL, 700416, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x2aaee000
> old_mmap(0x2aaee000, 431612, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3,
> 0) = 0x2aaee000
> old_mmap(0x2ab97000, 5983, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3,
> 0x69000) = 0x2ab97000
> close(3)                                = 0
> munmap(0x2aaae000, 4096)                = 0
> open("/lib/libgcc_s.so.1", O_RDONLY)    = 3
> fstat(3, {st_mode=S_IFREG|0644, st_size=60806, ...}) = 0
> old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
> = 0x2aaae000
> read(3,
> "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\10\0\1\0\0\0\240\31\0\0004\0\0\0"...,
> 4096) = 4096
> old_mmap(NULL, 323584, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x2ab99000
> old_mmap(0x2ab99000, 58700, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3,
> 0) = 0x2ab99000
> old_mmap(0x2abe7000, 3462, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3,
> 0xe000) = 0x2abe7000
> close(3)                                = 0
> munmap(0x2aaae000, 4096)                = 0
> open("/lib/libc.so.0", O_RDONLY)        = 3
> fstat(3, {st_mode=S_IFREG|0644, st_size=397215, ...}) = 0
> old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
> = 0x2aaae000
> read(3,
> "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\10\0\1\0\0\0`\250\0\0004\0\0\0"...,
> 4096) = 4096
> old_mmap(NULL, 679936, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x2abe8000
> old_mmap(0x2abe8000, 388676, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3,
> 0) = 0x2abe8000
> old_mmap(0x2ac87000, 8095, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3,
> 0x5f000) = 0x2ac87000
> old_mmap(0x2ac89000, 19456, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2ac89000
> close(3)                                = 0
> munmap(0x2aaae000, 4096)                = 0
> open("/lib/libpthread.so.0", O_RDONLY)  = 3
> fstat(3, {st_mode=S_IFREG|0644, st_size=71594, ...}) = 0
> old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
> = 0x2aaae000
> read(3,
> "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\10\0\1\0\0\0\0205\0\0004\0\0\0"...,
> 4096) = 4096
> old_mmap(NULL, 344064, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x2ac8e000
> old_mmap(0x2ac8e000, 49960, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3,
> 0) = 0x2ac8e000
> old_mmap(0x2acda000, 22442, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3,
> 0xc000) = 0x2acda000
> old_mmap(0x2ace0000, 6816, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2ace0000
> close(3)                                = 0
> munmap(0x2aaae000, 4096)                = 0
> open("/lib/libgcc_s.so.1", O_RDONLY)    = 3
> fstat(3, {st_mode=S_IFREG|0644, st_size=60806, ...}) = 0
> close(3)                                = 0
> open("/lib/libc.so.0", O_RDONLY)        = 3
> fstat(3, {st_mode=S_IFREG|0644, st_size=397215, ...}) = 0
> close(3)                                = 0
> open("/lib/libc.so.0", O_RDONLY)        = 3
> fstat(3, {st_mode=S_IFREG|0644, st_size=397215, ...}) = 0
> close(3)                                = 0
> open("/lib/libc.so.0", O_RDONLY)        = 3
> fstat(3, {st_mode=S_IFREG|0644, st_size=397215, ...}) = 0
> close(3)                                = 0
> stat("/lib/ld-uClibc.so.0", {st_mode=S_IFREG|0755, st_size=20694, ...}) = 0
> mprotect(0x2ac87000, 4096, PROT_READ)   = 0
> mprotect(0x2acda000, 4096, PROT_READ)   = 0
> mprotect(0x2aaec000, 4096, PROT_READ)   = 0
> ioctl(0, TIOCNXCL, {B38400 opost isig icanon echo ...}) = 0
> ioctl(1, TIOCNXCL, {B38400 opost isig icanon echo ...}) = 0
> getpid()                                = 4628
> getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0
> setrlimit(RLIMIT_STACK, {rlim_cur=2040*1024, rlim_max=RLIM_INFINITY}) = 0
> rt_sigaction(SIGRT_0, {SIG_DFL}, NULL, 16) = 0
> rt_sigaction(SIGRT_1, {SIG_DFL}, NULL, 16) = 0
> rt_sigaction(SIGRT_2, {SIG_DFL}, NULL, 16) = 0
> rt_sigprocmask(SIG_BLOCK, [RT_0], NULL, 16) = 0
> rt_sigprocmask(SIG_UNBLOCK, [RT_1], NULL, 16) = 0
>
>
>
> I'm using uclibc 0.9.28...someone knows why it hangs there...
>
> thanks
>
>
> _______________________________________________
> openwrt-devel mailing list
> [email protected]
> https://lists.openwrt.org/mailman/listinfo/openwrt-devel
>
>
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