<tt>nagios-users-bounces@lists.sourceforge.net wrote on 12/10/2006 21:27:59: > I'm running NRPE 2.5.1 on a number of machines and occasionally I'll > see the processes get stuck just spinning their wheels. It ends > utilizing the CPU heavily and needs to be killed. I haven't been able > to track down what is causing this, so I wanted to ask if anyone on > this list has seen this behavior before. Also, I've seen that NRPE > 2.5.2 fixes "a number of bugs" but do not know if it addresses this > specifically. I've included output from top and truss below. > > top: > PID USERNAME THR PRI NICE SIZE RES STATE TIME CPU COMMAND > 20950 nagios 1 20 0 3792K 1688K run 78.6H 49.58% nrpe > 20675 nagios 1 20 0 3792K 1720K run 79.0H 48.62% nrpe > > truss: > getpid() = 20675 [1] > time() = 1160684094 > getpid() = 20675 [1] > read(8, 0x00050FF8, 5) Err#11 EAGAIN > getpid() = 20675 [1] > time() = 1160684094 > getpid() = 20675 [1] > read(8, 0x00050FF8, 5) Err#11 EAGAIN > getpid() = 20675 [1] > time() = 1160684094 > getpid() = 20675 [1] > read(8, 0x00050FF8, 5) Err#11 EAGAIN > getpid() = 20675 [1] > time() = 1160684094 > getpid() = 20675 [1] > read(8, 0x00050FF8, 5) Err#11 EAGAIN > getpid() = 20675 [1] > time() = 1160684094 > getpid() = 20675 [1] > read(8, 0x00050FF8, 5) Err#11 EAGAIN > getpid() = 20675 [1] </tt> <tt>Hi,</tt> <tt> I don't have any firm answers for you, but I have seen similar wierdness in NRPE on Solaris 8 and 10 when it's compiled with lots of optimisation flags: -O2 -funroll-loops etc..</tt> <tt>My only recommendation would be to recompile the same source without running configure again (make clean; vi Makefile; make), but remove all optimisation flags and install just the new nrpe binary on one of the affected servers..</tt> <tt>If you're still having problems, please go back through the truss and tell me where the open() call reads the file/socket which returns filehandle 8 and paste in some more info</tt> <tt>Other things to try: If you're compiling 64bit, try 32bit.. If you have an older version of OpenSSL than 0.9.8b, try updating.. If you have an older GCC 3.x than 3.3 or 3.4 then try updating..</tt> <tt>Cheers</tt> <tt>rob/mossko</tt> <pre> This message and any attachments (the "message") is intended solely for the addressees and is confidential. If you receive this message in error, please delete it and immediately notify the sender. Any use not in accord with its purpose, any dissemination or disclosure, either whole or partial, is prohibited except formal approval. The internet can not guarantee the integrity of this message. BNP PARIBAS (and its subsidiaries) shall (will) not therefore be liable for the message if modified. ********************************************************************************************** BNP Paribas Private Bank London Branch is authorised by CECEI & AMF and is regulated by the Financial Services Authority for the conduct of its investment business in the United Kingdom. BNP Paribas Securities Services London Branch is authorised by CECEI & AMF and is regulated by the Financial Services Authority for the conduct of its investment business in the United Kingdom. BNP Paribas Fund Services UK Limited is authorised and regulated by the Financial Services Authority </pre>