spitz:~# strace -eopen ts_calibrate
open("/etc/ld.so.cache", O_RDONLY)      = 3
open("/usr/lib/libts-1.0.so.0", O_RDONLY) = 3
open("/lib/libdl.so.2", O_RDONLY)       = 3
open("/lib/libc.so.6", O_RDONLY)        = 3
syscall_983045(0x4001f080, 0x4001f080, 0x684, 0x4001f758, 0x40025050, 0x40025000, 0, 0xf0005, 0x50, 0x1, 0xffff5794, 0xbe980a9c, 0, 0xbe980738, 0x40002010, 0x40002028, 0x20000010, 0x4001f080, 0, 0, 0, 0xdbb0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) = 0
open("/dev/input/ts0", O_RDONLY)        = -1 ENOENT (No such file or directory)
ts_open: No such file or directory
Process 6722 detached
spitz:~#