#0 0x0071c416 in __kernel_vsyscall () No symbol table info available. #1 0x0048640e in __GI___poll (fds=0x8bcef40, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87 resultvar = oldtype = -516 result = #2 0x00e1693b in g_poll (fds=0x8bcef40, nfds=2, timeout=-1) at /build/buildd/glib2.0-2.29.16/./glib/gpoll.c:132 No locals. #3 0x00e07e56 in g_main_context_poll (n_fds=2, fds=0x8bcef40, timeout=, context=0x8bb0170, priority=) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:3399 poll_func = 0xe16910 #4 g_main_context_iterate (context=0x8bb0170, block=14772496, dispatch=1, self=) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:3081 max_priority = 2147483647 timeout = -1 some_ready = nfds = 2 allocated_nfds = fds = 0x8bcef40 #5 0x00e0855b in g_main_loop_run (loop=0x8bb5460) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:3294 __PRETTY_FUNCTION__ = "g_main_loop_run" #6 0x0804cf0b in main (argc=1, argv=0xbf859b94) at lightdm.c:1117 pid_file = option_context = groups = 0x8bb0510 i = n_seats = explicit_config = 0 test_mode = 0 pid_path = 0x8061587 "/var/run/lightdm.pid" xserver_command = 0x0 passwd_path = 0x0 xsessions_dir = 0x0 xgreeters_dir = 0x0 greeter_session = 0x0 user_session = 0x0 session_wrapper = 0x0 config_dir = log_dir = 0x0 run_dir = 0x0 cache_dir = 0x0 default_log_dir = default_run_dir = 0x0 default_cache_dir = 0x8bb0510 "x\227\273\b\031" minimum_vt = 0x0 minimum_display_number = 0x0 show_version = 0 options = {{long_name = 0x80632db "config", short_name = 99 'c', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0x806b4a0, description = 0x80615d1 "Use configuration file", arg_description = 0x0}, {long_name = 0x80615e8 "debug", short_name = 100 'd', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x806b4a4, description = 0x80615ee "Print debugging messages", arg_description = 0x0}, {long_name = 0x8061607 "test-mode", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0xbf859a9c, description = 0x80621c8 "Run as unprivileged user, skipping things that require root access", arg_description = 0x0}, {long_name = 0x8061611 "passwd-file", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0xbf859aa8, description = 0x806220c "Use the given password file for authentication (for testing, requires --no-root)", arg_description = 0x806161d "FILE"}, {long_name = 0x8061622 "pid-file", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0xbf859aa0, description = 0x806162b "File to write PID into", arg_description = 0x806161d "FILE"}, {long_name = 0x8061642 "xserver-command", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0xbf859aa4, description = 0x8061652 "Command to run X servers", arg_description = 0x806166b "COMMAND"}, {long_name = 0x8061673 "greeter-session", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0xbf859ab4, description = 0x8061683 "Greeter session", arg_description = 0x8060770 "SESSION"}, {long_name = 0x8061693 "user-session", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0xbf859ab8, description = 0x80616a0 "User session", arg_description = 0x8060770 "SESSION"}, {long_name = 0x80616ad "session-wrapper", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0xbf859abc, description = 0x80616bd "Session wrapper", arg_description = 0x8060770 "SESSION"}, {long_name = 0x80616cd "minimum-vt", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0xbf859acc, description = 0x8062260 "Minimum VT to use for X servers", arg_description = 0x80616d8 "NUMBER"}, {long_name = 0x80616df "minimum-display-number", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0xbf859ad0, description = 0x8062280 "Minimum display number to use for X servers", arg_description = 0x80616d8 "NUMBER"}, {long_name = 0x80616f6 "xsessions-dir", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0xbf859aac, description = 0x80622ac "Directory to load X sessions from", arg_description = 0x8061704 "DIRECTORY"}, {long_name = 0x806170e "xgreeters-dir", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0xbf859ab0, description = 0x80622d0 "Directory to load X greeters from", arg_description = 0x8061704 "DIRECTORY"}, {long_name = 0x806171c "log-dir", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0xbf859ac0, description = 0x8061724 "Directory to write logs to", arg_description = 0x8061704 "DIRECTORY"}, {long_name = 0x806173f "run-dir", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0xbf859ac4, description = 0x80622f4 "Directory to store running state", arg_description = 0x8061704 "DIRECTORY"}, {long_name = 0x8061747 "cache-dir", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0xbf859ac8, description = 0x8062318 "Directory to cached information", arg_description = 0x8061704 "DIRECTORY"}, {long_name = 0x806175e "version", short_name = 118 'v', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0xbf859ad4, description = 0x8061751 "Show release version", arg_description = 0x0}, {long_name = 0x0, short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x0, description = 0x0, arg_description = 0x0}} error = 0x0