Hi,
I got the same Problem on a freshly installed Debian 5-box.
# uname -a
Linux mail3 2.6.26-2-amd64 #1 SMP Thu Sep 16 15:56:38 UTC 2010 x86_64 GNU/Linux
trying:
# su cyrus
cy...@mail3:/tmp$ dexit
however, if I tried to strace it, it won't happen:
# strace su cyrus
rt_sigprocmask(SIG_BLOCK, ~[RTMIN RT_1], NULL, 8) = 0
rt_sigaction(SIGTERM, {0x402420, [], SA_RESTORER, 0x7fca4965ff60}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [ALRM TERM], NULL, 8) = 0
wait4(-1,
(now typing 'd's an press return)
dd
bash: dd: command not found
cy...@mail3:/tmp$ exit
[{WIFEXITED(s) && WEXITSTATUS(s) == 127}], WSTOPPED, NULL) = 13167
getuid()= 108
gettimeofday({1287048698, 560056}, NULL) = 0
stat("/etc/localtime", {st_mode=S_IFREG|0644, st_size=2309, ...}) = 0
socket(PF_FILE, SOCK_DGRAM, 0) = 3
fcntl(3, F_SETFD, FD_CLOEXEC) = 0
connect(3, {sa_family=AF_FILE, path="/dev/log"...}, 110) = 0
sendto(3, "<86>Oct 14 11:31:38 su[13166]: pa"..., 82, MSG_NOSIGNAL, NULL, 0) =
82
munmap(0x7fca489f2000, 2099928) = 0
munmap(0x7fca485d3000, 2107528) = 0
munmap(0x7fca483d1000, 2104616) = 0
munmap(0x7fca481b8000, 2197472) = 0
munmap(0x7fca487d6000, 2209368) = 0
munmap(0x7fca47f8, 2322880) = 0
exit_group(127) = ?
I've found the same bugreport for gentoo:
http://bugs.gentoo.org/show_bug.cgi?id=232630
they mentioned, it may be some kind of timing issue, but there is no fix for it.
I installed some other boxes from the same repository (also Debian 5) and there
is no such behaviour.
kind regards
jm
kind regards
jm
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