root@compulab-pxa270:~$ strace gpe-dm -n
execve("/usr/bin/gpe-dm", ["gpe-dm", "-n"], [/* 10 vars */]) = 0
brk(0)                                  = 0x12000
uname({sys="Linux", node="compulab-pxa270", ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x4001a000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
open("/var/run/ld.so.cache", O_RDONLY)  = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=8402, ...}) = 0
mmap2(NULL, 8402, PROT_READ, MAP_PRIVATE, 3, 0) = 0x4001b000
close(3)                                = 0
open("/usr/lib/libglib-2.0.so.0", 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\370\320"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=484640, ...}) = 0
mmap2(NULL, 515476, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x40023000
mprotect(0x40099000, 28672, PROT_NONE)  = 0
mmap2(0x400a0000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x75) = 0x400a0000
close(3)                                = 0
open("/lib/libc.so.6", 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<L\1\000"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1047252, ...}) = 0
mmap2(NULL, 1061364, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x400a1000
mprotect(0x40198000, 28672, PROT_NONE)  = 0
mmap2(0x4019f000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xf6) = 0x4019f000
mmap2(0x401a2000, 8692, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x401a2000
close(3)                                = 0
open("/lib/libgcc_s.so.1", 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\000"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=42376, ...}) = 0
mmap2(NULL, 72616, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x401a5000
mprotect(0x401af000, 28672, PROT_NONE)  = 0
mmap2(0x401b6000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x9) = 0x401b6000
close(3)                                = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x4001e000
syscall_983045(0x4001e7b0, 0x4001e7b0, 0x6fc, 0x4001ef08, 0x40022058, 0, 0x58, 0xf0005, 0x40022738, 0x8034, 0x40022000, 0xbeeccb7c, 0, 0xbeecc8c0, 0x4000f6f8, 0x40001f50, 0x20000010, 0x4001e7b0, 0xc0a0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) = 0
mprotect(0x4019f000, 8192, PROT_READ)   = 0
munmap(0x4001b000, 8402)                = 0
brk(0)                                  = 0x12000
brk(0x33000)                            = 0x33000
open("/var/run/gpe-dm.pid", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 3
getpid()                                = 1430
fstat64(3, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x4001b000
write(3, "1430", 4)                     = 4
close(3)                                = 0
munmap(0x4001b000, 4096)                = 0
gettimeofday({952027195, 950000}, NULL) = 0
access("/etc/X11/X", X_OK)              = -1 ENOENT (No such file or directory)
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x4001e358) = 1431
rt_sigaction(SIGINT, {0x8b5c, [INT], SA_RESTART|0x4000000}, {SIG_DFL}, 8) = 0
rt_sigaction(SIGTERM, {0x8b5c, [TERM], SA_RESTART|0x4000000}, {SIG_DFL}, 8) = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x4001e358) = 1432
wait4(-1, Can't open display :0
run-parts: /etc/X11/Xinit.d/01xrandr exited with return code 1: Success
_XSERVTransSocketOpenCOTSServer: Unable to open socket for inet6
_XSERVTransOpen: transport open failed for inet6/compulab-pxa270:0
_XSERVTransMakeAllCOTSServerListeners: failed to open listener for inet6
error: Invalid argument

Fatal server error:
no screens found
[{WIFEXITED(s) && WEXITSTATUS(s) == 1}], 0, NULL) = 1431
--- SIGCHLD (Child exited) @ 0 (0) ---
gettimeofday({952027196, 310000}, NULL) = 0
open("/etc/localtime", O_RDONLY)        = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=126, ...}) = 0
fstat64(3, {st_mode=S_IFREG|0644, st_size=126, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x4001b000
read(3, "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1\0\0\0\1\0\0"..., 4096) = 126
close(3)                                = 0
munmap(0x4001b000, 4096)                = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=126, ...}) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=126, ...}) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=126, ...}) = 0
mq_notify(1, ptrace: umoven: Input/output error
{...})                     = 3
fcntl64(3, F_SETFD, FD_CLOEXEC)         = 0
SYS_283(0x3, 0x401a2a84, 0x6e, 0x65864, 0x3) = 0
SYS_289(0x3, 0x121f8, 0x4a, 0x4000, 0x1a74) = 74
kill(1432, SIGTERM)                     = 0
--- SIGCHLD (Child exited) @ 0 (0) ---
gettimeofday({952027196, 370000}, NULL) = 0
access("/etc/X11/X", X_OK)              = -1 ENOENT (No such file or directory)
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x4001e358) = 1445
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x4001e358) = 1446
wait4(-1, [{WIFSIGNALED(s) && WTERMSIG(s) == SIGTERM}], 0, NULL) = 1432
gettimeofday({952027196, 390000}, NULL) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=126, ...}) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=126, ...}) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=126, ...}) = 0
SYS_289(0x3, 0x121f8, 0x4a, 0x4000, 0x1a74) = 74
wait4(-1, Can't open display :0
run-parts: /etc/X11/Xinit.d/01xrandr exited with return code 1: Success
_XSERVTransSocketOpenCOTSServer: Unable to open socket for inet6
_XSERVTransOpen: transport open failed for inet6/compulab-pxa270:0
_XSERVTransMakeAllCOTSServerListeners: failed to open listener for inet6
error: Invalid argument

Fatal server error:
no screens found
[{WIFEXITED(s) && WEXITSTATUS(s) == 1}], 0, NULL) = 1445
--- SIGCHLD (Child exited) @ 0 (0) ---
gettimeofday({952027196, 790000}, NULL) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=126, ...}) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=126, ...}) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=126, ...}) = 0
SYS_289(0x3, 0x121f8, 0x4a, 0x4000, 0x1a74) = 74
kill(1446, SIGTERM)                     = 0
gettimeofday({952027196, 810000}, NULL) = 0
access("/etc/X11/X", X_OK)              = -1 ENOENT (No such file or directory)
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x4001e358) = 1464
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x4001e358) = 1465
wait4(-1, [{WIFSIGNALED(s) && WTERMSIG(s) == SIGTERM}], 0, NULL) = 1446
--- SIGCHLD (Child exited) @ 0 (0) ---
gettimeofday({952027196, 840000}, NULL) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=126, ...}) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=126, ...}) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=126, ...}) = 0
SYS_289(0x3, 0x121f8, 0x4a, 0x4000, 0x1a74) = 74
wait4(-1, Can't open display :0
run-parts: /etc/X11/Xinit.d/01xrandr exited with return code 1: Success
_XSERVTransSocketOpenCOTSServer: Unable to open socket for inet6
_XSERVTransOpen: transport open failed for inet6/compulab-pxa270:0
_XSERVTransMakeAllCOTSServerListeners: failed to open listener for inet6
error: Invalid argument

Fatal server error:
no screens found
[{WIFEXITED(s) && WEXITSTATUS(s) == 1}], 0, NULL) = 1464
--- SIGCHLD (Child exited) @ 0 (0) ---
gettimeofday({952027197, 230000}, NULL) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=126, ...}) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=126, ...}) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=126, ...}) = 0
SYS_289(0x3, 0x121f8, 0x4a, 0x4000, 0x1a74) = 74
kill(1465, SIGTERM)                     = 0
gettimeofday({952027197, 250000}, NULL) = 0
gettimeofday({952027197, 260000}, NULL) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=126, ...}) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=126, ...}) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=126, ...}) = 0
SYS_289(0x3, 0x121f8, 0x47, 0x4000, 0x1a74) = 71
unlink("/var/run/gpe-dm.pid")           = 0
io_submit(0x1, 0x1, 0x4019f778 <unfinished ... exit status 1>
Process 1430 detached