bryan@deathfortress$ strace -f tmux --help strace: Invalid process id: -f execve("/usr/bin/tmux", ["tmux", "--help"], [/* 20 vars */]) = 0 brk(0) = 0xf8971000 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) mmap2(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xf76cd000 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory) open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=71492, ...}) = 0 mmap2(NULL, 71492, PROT_READ, MAP_PRIVATE, 3, 0) = 0xf76bb000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/i386-linux-gnu/libutil.so.1", O_RDONLY|O_CLOEXEC) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\220\n\0\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0644, st_size=9816, ...}) = 0 mmap2(NULL, 12428, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xf76b7000 mmap2(0xf76b9000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1) = 0xf76b9000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/i386-linux-gnu/libtinfo.so.5", O_RDONLY|O_CLOEXEC) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\300d\0\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0644, st_size=125424, ...}) = 0 mmap2(NULL, 129100, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xf7697000 mmap2(0xf76b4000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1c) = 0xf76b4000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/usr/lib/i386-linux-gnu/libevent-2.0.so.5", O_RDONLY|O_CLOEXEC) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\300\247\0\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0644, st_size=292408, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xf7696000 mmap2(NULL, 296712, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xf764d000 mprotect(0xf7693000, 4096, PROT_NONE) = 0 mmap2(0xf7694000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x46) = 0xf7694000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/i386-linux-gnu/libresolv.so.2", O_RDONLY|O_CLOEXEC) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0@'\0\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0644, st_size=79720, ...}) = 0 mmap2(NULL, 92168, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xf7636000 mmap2(0xf7649000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x12) = 0xf7649000 mmap2(0xf764b000, 6152, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xf764b000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/i386-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\200\230\1\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=1508804, ...}) = 0 mmap2(NULL, 1513980, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xf74c4000 mmap2(0xf7630000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x16c) = 0xf7630000 mmap2(0xf7633000, 10748, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xf7633000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/i386-linux-gnu/librt.so.1", O_RDONLY|O_CLOEXEC) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\200\31\0\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0644, st_size=30696, ...}) = 0 mmap2(NULL, 33348, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xf74bb000 mmap2(0xf74c2000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6) = 0xf74c2000 close(3) = 0 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory) open("/lib/i386-linux-gnu/libpthread.so.0", O_RDONLY|O_CLOEXEC) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\220\\\0\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=126109, ...}) = 0 mmap2(NULL, 107180, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xf74a0000 mmap2(0xf74b7000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x16) = 0xf74b7000 mmap2(0xf74b9000, 4780, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xf74b9000 close(3) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xf749f000 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xf749e000 set_thread_area({entry_number:-1 -> 12, base_addr:0xf749e700, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0 mprotect(0xf7630000, 8192, PROT_READ) = 0 mprotect(0xf74b7000, 4096, PROT_READ) = 0 mprotect(0xf74c2000, 4096, PROT_READ) = 0 mprotect(0xf7649000, 4096, PROT_READ) = 0 mprotect(0xf7694000, 4096, PROT_READ) = 0 mprotect(0xf76b4000, 8192, PROT_READ) = 0 mprotect(0xf76b9000, 4096, PROT_READ) = 0 mprotect(0xf7748000, 24576, PROT_READ) = 0 mprotect(0xf76ef000, 4096, PROT_READ) = 0 munmap(0xf76bb000, 71492) = 0 set_tid_address(0xf749e768) = 31958 set_robust_list(0xf749e770, 0xc) = 0 rt_sigaction(SIGRTMIN, {0xf74a5750, [], SA_SIGINFO}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {0xf74a57d0, [], SA_RESTART|SA_SIGINFO}, 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 uname({sys="Linux", node="gnusha", ...}) = 0 brk(0) = 0xf8971000 brk(0xf8992000) = 0xf8992000 open("/etc/localtime", O_RDONLY|O_CLOEXEC) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=2819, ...}) = 0 fstat64(3, {st_mode=S_IFREG|0644, st_size=2819, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xf76cc000 read(3, "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\4\0\0\0\4\0\0\0\0"..., 4096) = 2819 _llseek(3, -24, [2795], SEEK_CUR) = 0 read(3, "\nPST8PDT,M3.2.0,M11.1.0\n", 4096) = 24 close(3) = 0 munmap(0xf76cc000, 4096) = 0 access("/bin/bash", X_OK) = 0 access("/home/bryan/.tmux.conf", R_OK) = -1 ENOENT (No such file or directory) getuid32() = 1000 mkdir("/tmp//tmux-1000", 0700) = -1 EEXIST (File exists) lstat64("/tmp//tmux-1000", {st_mode=S_IFDIR|0700, st_size=20, ...}) = 0 lstat64("/tmp", {st_mode=S_IFDIR|S_ISVTX|0777, st_size=4096, ...}) = 0 lstat64("/tmp/tmux-1000", {st_mode=S_IFDIR|0700, st_size=20, ...}) = 0 lstat64("/tmp/tmux-1000/default", {st_mode=S_IFSOCK|0770, st_size=0, ...}) = 0 clock_gettime(CLOCK_MONOTONIC, {12094676, 929158494}) = 0 clock_gettime(CLOCK_MONOTONIC, {12094676, 929202828}) = 0 gettimeofday({1411766789, 359174}, NULL) = 0 getuid32() = 1000 geteuid32() = 1000 getgid32() = 1000 getegid32() = 1000 getuid32() = 1000 geteuid32() = 1000 getgid32() = 1000 getegid32() = 1000 socketpair(PF_FILE, SOCK_STREAM, 0, [3, 4]) = 0 fcntl64(3, F_GETFD) = 0 fcntl64(3, F_SETFD, FD_CLOEXEC) = 0 fcntl64(4, F_GETFD) = 0 fcntl64(4, F_SETFD, FD_CLOEXEC) = 0 fcntl64(3, F_GETFL) = 0x2 (flags O_RDWR) fcntl64(3, F_SETFL, O_RDWR|O_NONBLOCK) = 0 fcntl64(4, F_GETFL) = 0x2 (flags O_RDWR) fcntl64(4, F_SETFL, O_RDWR|O_NONBLOCK) = 0 getuid32() = 1000 geteuid32() = 1000 getgid32() = 1000 getegid32() = 1000 socket(PF_FILE, SOCK_STREAM, 0) = 5 connect(5, {sa_family=AF_FILE, path="/tmp/tmux-1000/default"}, 24) = 0 fcntl64(5, F_GETFL) = 0x2 (flags O_RDWR) fcntl64(5, F_SETFL, O_RDWR|O_NONBLOCK) = 0 rt_sigaction(SIGINT, {SIG_IGN, [], SA_RESTART}, NULL, 8) = 0 rt_sigaction(SIGPIPE, {SIG_IGN, [], SA_RESTART}, NULL, 8) = 0 rt_sigaction(SIGUSR2, {SIG_IGN, [], SA_RESTART}, NULL, 8) = 0 rt_sigaction(SIGTSTP, {SIG_IGN, [], SA_RESTART}, NULL, 8) = 0 rt_sigaction(SIGHUP, {0xf76718f0, ~[RTMIN RT_1], SA_RESTART}, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGCHLD, {0xf76718f0, ~[RTMIN RT_1], SA_RESTART}, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGCONT, {0xf76718f0, ~[RTMIN RT_1], SA_RESTART}, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGTERM, {0xf76718f0, ~[RTMIN RT_1], SA_RESTART}, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGUSR1, {0xf76718f0, ~[RTMIN RT_1], SA_RESTART}, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGWINCH, {0xf76718f0, ~[RTMIN RT_1], SA_RESTART}, {SIG_DFL, [], 0}, 8) = 0 getcwd("/home/bryan", 4096) = 12 dup(0) = 6 dup(1) = 7 dup(2) = 8 clock_gettime(CLOCK_MONOTONIC, {12094676, 931284026}) = 0 gettimeofday({1411766789, 361255}, NULL) = 0 poll([{fd=4, events=POLLIN}, {fd=5, events=POLLIN|POLLOUT}], 2, -1) = 1 ([{fd=5, revents=POLLOUT}]) clock_gettime(CLOCK_MONOTONIC, {12094676, 931430253}) = 0 gettimeofday({1411766789, 361401}, NULL) = 0 sendmsg(5, {msg_name(0)=NULL, msg_iov(20)=[{"\16\0\0\0\20\4\0\0\6\0\0\0\377\377\377\377SHELL=/bin/bash\0"..., 1040}, {"\16\0\0\0\20\4\0\0\6\0\0\0\377\377\377\377TERM=screen\0ash\0"..., 1040}, {"\16\0\0\0\20\4\0\0\6\0\0\0\377\377\377\377SSH_CLIENT=66.68"..., 1040}, {"\16\0\0\0\20\4\0\0\6\0\0\0\377\377\377\377SSH_TTY=/dev/pts"..., 1040}, {"\16\0\0\0\20\4\0\0\6\0\0\0\377\377\377\377USER=bryan\0v/pts"..., 1040}, {"\16\0\0\0\20\4\0\0\6\0\0\0\377\377\377\377SSH_AUTH_SOCK=/t"..., 1040}, {"\16\0\0\0\20\4\0\0\6\0\0\0\377\377\377\377PATH=/usr/local/"..., 1040}, {"\16\0\0\0\20\4\0\0\6\0\0\0\377\377\377\377MAIL=/var/mail/b"..., 1040}, {"\16\0\0\0\20\4\0\0\6\0\0\0\377\377\377\377STY=31068.pts-38"..., 1040}, {"\16\0\0\0\20\4\0\0\6\0\0\0\377\377\377\377PWD=/home/bryan\0"..., 1040}, {"\16\0\0\0\20\4\0\0\6\0\0\0\377\377\377\377LANG=en_US.UTF-8"..., 1040}, {"\16\0\0\0\20\4\0\0\6\0\0\0\377\377\377\377HISTCONTROL=igno"..., 1040}, {"\16\0\0\0\20\4\0\0\6\0\0\0\377\377\377\377HOME=/home/bryan"..., 1040}, {"\16\0\0\0\20\4\0\0\6\0\0\0\377\377\377\377SHLVL=2\0me/bryan"..., 1040}, {"\16\0\0\0\20\4\0\0\6\0\0\0\377\377\377\377LOGNAME=bryan\0an"..., 1040}, {"\16\0\0\0\20\4\0\0\6\0\0\0\377\377\377\377WINDOW=0\0ryan\0an"..., 1040}, {"\16\0\0\0\20\4\0\0\6\0\0\0\377\377\377\377SSH_CONNECTION=6"..., 1040}, {"\16\0\0\0\20\4\0\0\6\0\0\0\377\377\377\377_=/usr/bin/strac"..., 1040}, {"\16\0\0\0\20\4\0\0\6\0\0\0\377\377\377\377EVENT_NOEPOLL=1\0"..., 1040}, {"\6\0\0\0\224\20\1\0\6\0\0\0\377\377\377\377/home/bryan\0\0\0\0\0"..., 4244}], msg_controllen=16, {cmsg_len=16, cmsg_level=SOL_SOCKET, cmsg_type=SCM_RIGHTS, {6}}, msg_flags=0}, 0) = 24004 close(6) = 0 poll([{fd=4, events=POLLIN}, {fd=5, events=POLLIN|POLLOUT}], 2, -1) = 1 ([{fd=5, revents=POLLOUT}]) clock_gettime(CLOCK_MONOTONIC, {12094676, 931901556}) = 0 gettimeofday({1411766789, 361872}, NULL) = 0 sendmsg(5, {msg_name(0)=NULL, msg_iov(1)=[{"\23\0\0\0\20\0\1\0\6\0\0\0\377\377\377\377", 16}], msg_controllen=16, {cmsg_len=16, cmsg_level=SOL_SOCKET, cmsg_type=SCM_RIGHTS, {7}}, msg_flags=0}, 0) = 16 close(7) = 0 poll([{fd=4, events=POLLIN}, {fd=5, events=POLLIN|POLLOUT}], 2, -1) = 1 ([{fd=5, revents=POLLOUT}]) clock_gettime(CLOCK_MONOTONIC, {12094676, 932140842}) = 0 gettimeofday({1411766789, 362112}, NULL) = 0 sendmsg(5, {msg_name(0)=NULL, msg_iov(1)=[{"\22\0\0\0\20\0\1\0\6\0\0\0\377\377\377\377", 16}], msg_controllen=16, {cmsg_len=16, cmsg_level=SOL_SOCKET, cmsg_type=SCM_RIGHTS, {8}}, msg_flags=0}, 0) = 16 close(8) = 0 poll([{fd=4, events=POLLIN}, {fd=5, events=POLLIN|POLLOUT}], 2, -1) = 1 ([{fd=5, revents=POLLOUT}]) clock_gettime(CLOCK_MONOTONIC, {12094676, 932381910}) = 0 gettimeofday({1411766789, 362352}, NULL) = 0 sendmsg(5, {msg_name(0)=NULL, msg_iov(1)=[{"\0\0\0\0\34\10\0\0\6\0\0\0\377\377\377\377\377\377\377\377\377\377\377\377\0\0\0\0\0`\1\0"..., 2076}], msg_controllen=0, msg_flags=0}, 0) = 2076 poll([{fd=4, events=POLLIN}, {fd=5, events=POLLIN}], 2, -1