On Apr 10, 2006, at 11:07 AM, sean finney wrote:
hi kurt,
On Mon, Apr 10, 2006 at 10:50:27AM -0400, Kurt Yoder wrote:
There didn't seem to be any core files, or at least none that
"locate" could find. I'm running strace right now so the next time it
dies I will be able to see what happened.
i'm not sure if the default behaviour is to dump core or not.
try
ulimit -c 9999
before running nagios, and see if that helps to produce a core maybe?
OK, I did this and restarted nagios.
BTW, in an attempt to fix this problem I reverted all packages back
to "stable". This includes glibc, nagios, etc. However, this morning
I found that the same problem had reoccurred. I can re-send the
package versions if you like.
it's possible that the erro rmessage you're getting was an error all
along, but only after glibc was upgraded did the library
start to detect the use of this specific double free or something.
I'm running the strace again. One thing that looks a little odd to me
even though the process is still running is all the "Illegal seek"
and "Resource temporarily unavailable" messages I see:
fork() = 28128
--- SIGCHLD (Child exited) @ 0 (0) ---
close(9) = 0
waitpid(28128, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0) = 28128
time([1144682006]) = 1144682006
close(8) = 0
time([1144682006]) = 1144682006
read(6, 0xbffff080, 504) = -1 EAGAIN (Resource
temporarily unavailable)
time([1144682006]) = 1144682006
time([1144682006]) = 1144682006
time([1144682006]) = 1144682006
time([1144682006]) = 1144682006
fork() = 28130
--- SIGCHLD (Child exited) @ 0 (0) ---
waitpid(28130, NULL, 0) = 28130
time([1144682006]) = 1144682006
time(NULL) = 1144682006
read(4, "", 4096) = 0
_llseek(4, 0, 0xbfffe908, SEEK_SET) = -1 ESPIPE (Illegal seek)
rt_sigprocmask(SIG_BLOCK, [CHLD], [RTMIN], 8) = 0
rt_sigaction(SIGCHLD, NULL, {SIG_DFL}, 8) = 0
rt_sigprocmask(SIG_SETMASK, [RTMIN], NULL, 8) = 0
nanosleep({1, 0}, {1, 0}) = 0
time([1144682007]) = 1144682007
time(NULL) = 1144682007
read(4, "", 4096) = 0
_llseek(4, 0, 0xbfffe908, SEEK_SET) = -1 ESPIPE (Illegal seek)
rt_sigprocmask(SIG_BLOCK, [CHLD], [RTMIN], 8) = 0
rt_sigaction(SIGCHLD, NULL, {SIG_DFL}, 8) = 0
rt_sigprocmask(SIG_SETMASK, [RTMIN], NULL, 8) = 0
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