#0  0xb7f72410 in __kernel_vsyscall ()
#1  0xb7e17400 in raise () from /lib/libc.so.6
#2  0xb7e18d38 in abort () from /lib/libc.so.6
#3  0xb7e51e3d in __libc_message () from /lib/libc.so.6
#4  0xb7e57c64 in malloc_printerr () from /lib/libc.so.6
#5  0xb7e59b4c in free () from /lib/libc.so.6
#6  0xb7e47e65 in fclose@@GLIBC_2.1 () from /lib/libc.so.6
#7  0xb7f3cda6 in alpm_option_set_logfile () from /usr/lib/libalpm.so.2
#8  0x08048586 in main ()