.
Thread 1 (process 31775):
#0  *__GI_____strtol_l_internal (nptr=0x8f7955a "\t0\n", endptr=0x0, base=0, 
    group=0, loc=0x0) at strtol_l.c:246
	negative = <value optimized out>
	cutoff = <value optimized out>
	i = <value optimized out>
	s = <value optimized out>
	c = <value optimized out>
	save = <value optimized out>
	end = <value optimized out>
	overflow = <value optimized out>
	cnt = <value optimized out>
	current = <value optimized out>
	thousands = <value optimized out>
	thousands_len = <value optimized out>
	grouping = <value optimized out>
#1  0xb7b3b015 in *__GI___strtol_internal (nptr=0x8f7955a "\t0\n", 
    endptr=0x0, base=0, group=0) at strtol.c:99
No locals.
#2  0xb7ea0bfe in ?? () from /usr/lib/libGL.so.1
Backtrace stopped: previous frame inner to this frame (corrupt stack?)