$ strace /usr/sbin/i7z
execve("/usr/sbin/i7z", ["/usr/sbin/i7z"], [/* 51 vars */]) = 0
brk(0)                                  = 0x2c38e3d200
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x3aa763ce000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=103114, ...}) = 0
mmap(NULL, 103114, PROT_READ, MAP_PRIVATE, 3, 0) = 0x3aa763b4000
close(3)                                = 0
open("/lib64/libncurses.so.5", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0p<\1\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=383888, ...}) = 0
mmap(NULL, 2481648, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3aa75f53000
mprotect(0x3aa75fac000, 2097152, PROT_NONE) = 0
mmap(0x3aa761ac000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x59000) = 0x3aa761ac000
close(3)                                = 0
open("/lib64/libpthread.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0`q\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=133017, ...}) = 0
mmap(NULL, 2212400, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3aa75d36000
mprotect(0x3aa75d4d000, 2097152, PROT_NONE) = 0
mmap(0x3aa75f4d000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x17000) = 0x3aa75f4d000
mmap(0x3aa75f4f000, 12848, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3aa75f4f000
close(3)                                = 0
open("/lib64/librt.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0`#\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=30952, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x3aa763b3000
mmap(NULL, 2128408, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3aa75b2e000
mprotect(0x3aa75b35000, 2093056, PROT_NONE) = 0
mmap(0x3aa75d34000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x3aa75d34000
close(3)                                = 0
open("/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0 \2\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1737936, ...}) = 0
mmap(NULL, 3845784, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3aa75783000
mprotect(0x3aa75924000, 2097152, PROT_NONE) = 0
mmap(0x3aa75b24000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1a1000) = 0x3aa75b24000
mmap(0x3aa75b2a000, 16024, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3aa75b2a000
close(3)                                = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x3aa763b2000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x3aa763b1000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x3aa763b0000
arch_prctl(ARCH_SET_FS, 0x3aa763b1700)  = 0
mprotect(0x3aa75b24000, 16384, PROT_READ) = 0
mprotect(0x3aa75f4d000, 4096, PROT_READ) = 0
mprotect(0x3aa75d34000, 4096, PROT_READ) = 0
mprotect(0x3aa761ac000, 16384, PROT_READ) = 0
mprotect(0x2c36de3000, 4096, PROT_READ) = 0
mprotect(0x3aa763d3000, 4096, PROT_READ) = 0
munmap(0x3aa763b4000, 103114)           = 0
set_tid_address(0x3aa763b19d0)          = 25721
set_robust_list(0x3aa763b19e0, 24)      = 0
rt_sigaction(SIGRTMIN, {0x3aa75d3cba0, [], SA_RESTORER|SA_SIGINFO, 0x3aa75d47080}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {0x3aa75d3cc40, [], SA_RESTORER|SA_RESTART|SA_SIGINFO, 0x3aa75d47080}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 1), ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x3aa763cd000
write(1, "i7z DEBUG: i7z version: svn-r77-"..., 46i7z DEBUG: i7z version: svn-r77-(20-Nov-2011)
) = 46
write(1, "i7z DEBUG: Found Intel Processor"..., 33i7z DEBUG: Found Intel Processor
) = 33
write(1, "i7z DEBUG:    Stepping 7\n", 25i7z DEBUG:    Stepping 7
) = 25
write(1, "i7z DEBUG:    Model a\n", 22i7z DEBUG:    Model a
) = 22
write(1, "i7z DEBUG:    Family 6\n", 23i7z DEBUG:    Family 6
) = 23
write(1, "i7z DEBUG:    Processor Type 0\n", 31i7z DEBUG:    Processor Type 0
) = 31
write(1, "i7z DEBUG:    Extended Model 2\n", 31i7z DEBUG:    Extended Model 2
) = 31
write(1, "i7z DEBUG: msr = Model Specific "..., 41i7z DEBUG: msr = Model Specific Register
) = 41
--- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x36de4225} ---
+++ killed by SIGSEGV +++
Segmentation fault