[lxc-devel] Segfault while running lxc-start whic
Stéphane Graber
stgraber at ubuntu.com
Fri Jan 24 22:55:59 UTC 2014
On Fri, Jan 24, 2014 at 03:04:51PM +0530, linux developer wrote:
> Hello
> I downloaded latest lxc (lxc version: 1.0.0.beta2) for android from
> http://qa.linuxcontainers.org/master/current/android-armel/ and copied
> files at /data of Nexus 7 Device ( ASOP 4.3 and Kernel 3.1.10). Also
> added ubuntu rootfs under /data/lxc/containers
>
> When I started the container (./run-lxc lxc-start -n ubuntu) ,
> segfault happened( as shown below).
> I am not sure what went wrong. It will be great if you can provide some inputs.
It's not very clear to me either. I just tried the current upstream
build on my Android phone and it works fine here, no segfault.
Can you try:
https://qa.linuxcontainers.org/master/1.0.0~beta2+master~20140124-2230/android-armel/
That's the one I just tested here on my Atrix.
>
>
> $strace ./run-lxc lxc-start -n ubuntu
> execve("./run-lxc", ["./run-lxc", "lxc-start", "-n", "ubuntu"], [/* 23
> vars */]) = 0
> mprotect(0x40186000, 4096, PROT_READ) = 0
> open("/dev/null", O_RDWR) = 3
> fcntl64(0, F_GETFL) = 0x20002 (flags O_RDWR)
> fcntl64(1, F_GETFL) = 0x20002 (flags O_RDWR)
> fcntl64(2, F_GETFL) = 0x20002 (flags O_RDWR)
> close(3) = 0
> gettid() = 2175
> set_tls(0x40187efc, 0x40187efc, 0, 0xffffffbc, 0x40187ffc) = 0
> sigaction(SIGILL, {0x40177a41, [], SA_RESTART|SA_SIGINFO}, NULL, 0x41e1d038) = 0
> sigaction(SIGABRT, {0x40177a41, [], SA_RESTART|SA_SIGINFO}, NULL,
> 0x41e1d038) = 0
> sigaction(SIGBUS, {0x40177a41, [], SA_RESTART|SA_SIGINFO}, NULL, 0x41e1d038) = 0
> sigaction(SIGFPE, {0x40177a41, [], SA_RESTART|SA_SIGINFO}, NULL, 0x41e1d038) = 0
> sigaction(SIGSEGV, {0x40177a41, [], SA_RESTART|SA_SIGINFO}, NULL,
> 0x41e1d038) = 0
> sigaction(SIGSTKFLT, {0x40177a41, [], SA_RESTART|SA_SIGINFO}, NULL,
> 0x41e1d038) = 0
> sigaction(SIGPIPE, {0x40177a41, [], SA_RESTART|SA_SIGINFO}, NULL,
> 0x41e1d038) = 0
> mmap2(NULL, 4092, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0,
> 0) = 0x400ab000
> open("/vendor/lib/libc.so", O_RDONLY) = -1 ENOENT (No such file or directory)
> open("/system/lib/libc.so", O_RDONLY) = 3
> read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\0\0\0\0004\0\0\0"...,
> 52) = 52
> mmap2(NULL, 4096, PROT_READ, MAP_PRIVATE, 3, 0) = 0x40149000
> mmap2(NULL, 360448, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x4023e000
> mmap2(0x4023e000, 282284, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED,
> 3, 0) = 0x4023e000
> mmap2(0x40284000, 12952, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
> 3, 0x45) = 0x40284000
> mmap2(0x40288000, 57344, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x40288000
> close(3) = 0
> munmap(0x40149000, 4096) = 0
> mprotect(0x40284000, 8192, PROT_READ) = 0
> mprotect(0x400a4000, 4096, PROT_READ) = 0
> open("/dev/__properties__", O_RDONLY|O_NOFOLLOW) = 3
> fstat64(3, {st_mode=S_IFREG|0644, st_size=49152, ...}) = 0
> mmap2(NULL, 49152, PROT_READ, MAP_SHARED, 3, 0) = 0x400ac000
> close(3) = 0
> futex(0x402873b4, FUTEX_WAKE_PRIVATE, 2147483647) = 0
> mprotect(0x400ab000, 4092, PROT_READ|PROT_WRITE) = 0
> mprotect(0x400ab000, 4092, PROT_READ|PROT_WRITE) = 0
> mprotect(0x400ab000, 4092, PROT_READ|PROT_WRITE) = 0
> mprotect(0x400ab000, 4092, PROT_READ|PROT_WRITE) = 0
> mprotect(0x400ab000, 4092, PROT_READ|PROT_WRITE) = 0
> clock_gettime(CLOCK_MONOTONIC, {1368, 48694362}) = 0
> mprotect(0x400ab000, 4092, PROT_READ|PROT_WRITE) = 0
> mprotect(0x400ab000, 4092, PROT_READ) = 0
> mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
> 0) = 0x400d2000
> mprotect(0x400d2000, 4096, PROT_READ) = 0
> getpid() = 2175
> geteuid32() = 0
> getpgid(0) = 2174
> getppid() = 2174
> gettimeofday({1390555791, 867632}, NULL) = 0
> brk(0) = 0x412b2000
> brk(0x412b2000) = 0x412b2000
> brk(0x412b3000) = 0x412b3000
> brk(0x412b4000) = 0x412b4000
> sigaction(SIGINT, {SIG_IGN, , {SIG_DFL, , 0) = 0
> sigaction(SIGINT, {0x40090041, [], 0}, NULL, 0x41e1d038) = 0
> sigaction(SIGQUIT, {SIG_IGN, , {SIG_DFL, , 0) = 0
> sigaction(SIGQUIT, {0x40090041, [], 0}, NULL, 0x41e1d038) = 0
> sigaction(SIGTERM, {SIG_IGN, , {SIG_DFL, , 0) = 0
> sigaction(SIGTERM, {0x40090041, [], 0}, NULL, 0x41e1d038) = 0
> sigaction(SIGHUP, {SIG_IGN, , {SIG_DFL, , 0) = 0
> sigaction(SIGHUP, {0x40090041, [], 0}, NULL, 0x41e1d038) = 0
> brk(0x412b6000) = 0x412b6000
> open("/dev/tty", O_RDWR) = 3
> fcntl64(3, F_DUPFD, 10) = 11
> fcntl64(11, F_SETFD, FD_CLOEXEC) = 0
> close(3) = 0
> ioctl(11, TIOCGWINSZ, {ws_row=0, ws_col=0, ws_xpixel=0, ws_ypixel=0}) = 0
> brk(0x412b7000) = 0x412b7000
> gettimeofday({1390555791, 878263}, NULL) = 0
> gettimeofday({1390555791, 878558}, NULL) = 0
> gettimeofday({1390555791, 879237}, NULL) = 0
> brk(0x412b8000) = 0x412b8000
> getcwd("/data/lxc", 4096) = 10
> getuid32() = 0
> getgid32() = 0
> getegid32() = 0
> gettimeofday({1390555791, 882219}, NULL) = 0
> open("./run-lxc", O_RDONLY) = 3
> fcntl64(3, F_DUPFD, 10) = 12
> close(3) = 0
> fcntl64(12, F_SETFD, FD_CLOEXEC) = 0
> fstat64(0, {st_mode=S_IFCHR|0600, st_rdev=makedev(136, 0), ...}) = 0
> sigprocmask(SIG_SETMASK, [], NULL) = 0
> sigaction(SIGCHLD, {SIG_IGN, , {SIG_DFL, , 0) = 0
> sigaction(SIGCHLD, {0x40090041, [], 0}, NULL, 0x41e1d038) = 0
> sigaction(SIGWINCH, {SIG_IGN, , {SIG_DFL, , 0) = 0
> sigaction(SIGWINCH, {0x40090041, [], 0}, NULL, 0x41e1d038) = 0
> sigaction(SIGALRM, {SIG_IGN, , {SIG_DFL, , 0) = 0
> sigaction(SIGALRM, {0x40090041, [], 0}, NULL, 0x41e1d038) = 0
> brk(0x412b9000) = 0x412b9000
> read(12, "#!/system/bin/sh\nexport PATH=$PA"..., 512) = 305
> brk(0x412ba000) = 0x412ba000
> chdir("/data/lxc/lxc") = 0
> stat64("/sbin/sh", 0xbeffd620) = -1 ENOENT (No such file or directory)
> stat64("/vendor/bin/sh", 0xbeffd620) = -1 ENOENT (No such file or directory)
> stat64("/system/sbin/sh", 0xbeffd620) = -1 ENOENT (No such file or directory)
> stat64("/system/bin/sh", {st_mode=S_IFREG|0755, st_size=157488, ...}) = 0
> access("/system/bin/sh", X_OK) = 0
> sigprocmask(SIG_BLOCK, [CHLD], []) = 0
> fork() = 2176
> sigsuspend([]Segmentation fault
> link failed File exists
> ) = ? ERESTARTNOHAND (To be restarted)
> --- {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2176, si_status=255,
> si_utime=0, si_stime=2} (Child exited) ---
> getrusage(RUSAGE_CHILDREN, {ru_utime={0, 0}, ru_stime={0, 0}, ...}) = 0
> wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 255}], WNOHANG|WSTOPPED,
> NULL) = 2176
> getrusage(RUSAGE_CHILDREN, {ru_utime={0, 0}, ru_stime={0, 10000}, ...}) = 0
> wait4(-1, 0xbeffd2ac, WNOHANG|WSTOPPED, NULL) = -1 ECHILD (No child processes)
> sigreturn() = ? (mask now [])
> sigprocmask(SIG_SETMASK, [], NULL) = 0
> read(12, "", 512) = 0
> close(12) = 0
> sigprocmask(SIG_BLOCK, [CHLD], []) = 0
> sigprocmask(SIG_SETMASK, [], NULL) = 0
> fcntl64(3, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(4, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(5, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(6, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(7, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(8, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(9, F_GETFD) = 0
> fcntl64(10, F_GETFD) = 0
> fcntl64(11, F_GETFD) = 0x1 (flags FD_CLOEXEC)
> close(11) = 0
> fcntl64(12, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(13, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(14, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(15, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(16, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(17, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(18, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(19, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(20, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(21, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(22, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(23, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(24, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(25, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(26, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(27, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(28, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(29, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(30, F_GETFD) = -1 EBADF (Bad file number)
> fcntl64(31, F_GETFD) = -1 EBADF (Bad file number)
> close(2) = 0
> close(1) = 0
> close(0) = 0
> mprotect(0x400d2000, 4096, PROT_READ|PROT_WRITE) = 0
> mprotect(0x400d2000, 4096, PROT_READ) = 0
> close(0) = -1 EBADF (Bad file number)
> close(1) = -1 EBADF (Bad file number)
> close(2) = -1 EBADF (Bad file number)
> futex(0x40288be8, FUTEX_WAKE_PRIVATE, 2147483647) = 0
> munmap(0x400d2000, 4096) = 0
> exit_group(255) = ?
>
>
>
>
> FYI,
> $cd /data/lxc
> $ ls
> containers
> lxc
> root
> run-lxc
>
> $ cd containers
> $ls
> ubuntu
>
> $busybox uname -a
> Linux localhost 3.1.10-gfd8d03e-dirty #9 SMP PREEMPT Thu Jan 23
> 19:32:01 IST 2014 armv7l GNU/Linux
> _______________________________________________
> lxc-devel mailing list
> lxc-devel at lists.linuxcontainers.org
> http://lists.linuxcontainers.org/listinfo/lxc-devel
--
Stéphane Graber
Ubuntu developer
http://www.ubuntu.com
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