execve("./a.out", ["./a.out"], [/* 12 vars */]) = 0
brk(0)                                  = 0x25000
uname({sys="Linux", node="Lichee", ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb6f6e000

access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)

open("/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\1\1\1\3\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\331i\1\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=894624, ...}) = 0
mmap2(NULL, 963912, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb6e5c000
mprotect(0xb6f33000, 61440, PROT_NONE)  = 0
mmap2(0xb6f42000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xd6000) = 0xb6f42000
mmap2(0xb6f45000, 9544, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb6f45000
close(3)                                = 0

mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb6f6d000
set_tls(0xb6f6d4d0, 0xb6f6dbb0, 0xb6f70050, 0xb6f6d4d0, 0xb6f70050) = 0
mprotect(0xb6f42000, 8192, PROT_READ)   = 0
mprotect(0x23000, 4096, PROT_READ)      = 0
mprotect(0xb6f6f000, 4096, PROT_READ)   = 0

rt_sigaction(SIGINT, {0x11685, [INT], SA_RESTORER|SA_RESTART, 0xb6e81141}, {SIG_DFL, [], 0}, 8) = 0

open("/dev/video0", O_RDWR)             = -1 EINVAL (Invalid argument)
dup(2)                                  = 3
fcntl64(3, F_GETFL)                     = 0x20002 (flags O_RDWR|O_LARGEFILE)
brk(0)                                  = 0x25000
brk(0x46000)                            = 0x46000
fstat64(3, {st_mode=S_IFCHR|0600, st_rdev=makedev(4, 64), ...}) = 0
ioctl(3, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B115200 opost isig icanon echo ...}) = 0
write(3, "/dev/video0: Invalid argument\n", 30 ) = 30
close(3)                                = 0
exit_group(-1)                          = ?

+++ exited with 255 +++