.
Thread 1 (process 6846):
#0  0x08057481 in do_cleanups_sigsafe (in_sighandler=1) at cleanup.c:168
	i = 3
	__PRETTY_FUNCTION__ = "do_cleanups_sigsafe"
#1  0x080574f0 in sighandler (signo=1) at cleanup.c:53
	act = {__sigaction_handler = {sa_handler = 0, sa_sigaction = 0}, 
  sa_mask = {__val = {0 <repeats 18 times>, 3086671374, 0, 0, 0, 0, 0, 0, 
      3086381056, 3215364392, 3086716916, 3215364852, 3086632730, 3086381056, 
      9840}}, sa_flags = 3, sa_restorer = 0x32}
	set = {__val = {4294967295, 0 <repeats 12 times>, 1347584, 1346856, 
    1346856, 0, 5, 1347584, 1359872, 1358236, 3086607814, 3086718388, 
    3085462929, 3085460449, 3086664281, 3085095282, 3086607800, 3086716916, 
    3086717600, 0, 3215365100}}
#2  <signal handler called>
#3  0xb7f7a3e4 in _fini () from /usr/lib/libz.so.1
No locals.
#4  0xb7fabfdf in _dl_fini () from /lib/ld-linux.so.2
#5  0xb7e49084 in exit () from /lib/tls/i686/cmov/libc.so.6
#6  0xb7ef0f04 in error_tail () from /lib/tls/i686/cmov/libc.so.6
#7  0xb7ef10f8 in error () from /lib/tls/i686/cmov/libc.so.6
#8  0x0804f407 in format_display (decomp=<value optimized out>, 
    format_cmd=0x80a1848, disp_cmd=0x80a1aa0, 
    man_file=0x8077530 "/usr/share/man/man1/chown.1.gz") at man.c:156
	status = 256
	old_cwd = 0x0
	htmldir = 0x0
	htmlfile = 0x0
#9  0x0805025f in display (dir=<value optimized out>, 
    man_file=0x8077530 "/usr/share/man/man1/chown.1.gz", 
    cat_file=0x80a1758 "/var/cache/man/cat1/chown.1.gz", 
    title=0x8077600 "chown(1)", dbfilters=0x0) at man.c:2286
	disp_cmd = (pipeline *) 0x80a1aa0
	format = 1
	status = <value optimized out>
	found = 1
	format_cmd = (pipeline *) 0x80a1848
	display_to_stdout = <value optimized out>
	decomp = (pipeline *) 0x80a17d0
	prompt = 0
	__PRETTY_FUNCTION__ = "display"
#10 0x08050c15 in man (name=0xbfa6b79e "chown", found=0xbfa69b60) at man.c:2760
	candidates = (struct candidate *) 0x8077348
	cand = <value optimized out>
	candnext = <value optimized out>
#11 0x0805143b in main (argc=2, argv=0xbfa69c14) at man.c:1056
	status = <value optimized out>
	found = 1
	nextarg = 0xbfa6b79e "chown"
	argc_env = 0
	exit_status = 0
	argv_env = (char **) 0x0
	tmp = 0x8073410 ""
	multiple_locale = 0x0
	maybe_section = 0