Re: Semaphores on scounix

In article <5lfv6a$ddp$1@polo.iquest.com>, Randy Harbison <rdharbis@vespucci.iquest.com> writes >We are having an ongoing problem with our ATS machine locking up. >Each time this occurs, it appears that the semaphores appear as >shown below. I would like to either eliminate or charge this area >as being associated with the problem. All responses are appreciated. > >$ipcs >IPC status from /dev/kmem as of Thu May 15 15:35:18 1997 >T ID KEY MODE OWNER GROUP >Message Queues: >Shared Memory: >m 0 0x52564801 --rw-rw---- informix informix >m 401 0x0000faee --rw-rw-rw- informix root >m 2 0x0000faff --rw-rw-rw- informix root >m 32003 0x0000fadd --rw-rw-rw- informix informix >Semaphores: >s 0 0x52564801 --ra-ra---- informix informix >s 1 0x52564802 --ra-ra---- informix informix >s 2 0x52564803 --ra-ra---- informix informix >s 3 0x52564804 --ra-ra---- informix informix >s 4 0x52564805 --ra-ra---- informix informix >s 5 0x52564806 --ra-ra---- informix informix >s 6 0x52564807 --ra-ra---- informix informix >s 7 0x52564808 --ra-ra---- informix informix >s 8 0x52564809 --ra-ra---- informix informix >s 9 0x5256480a --ra-ra---- informix informix >s 10 0x5256480b --ra-ra---- informix informix >s 11 0x5256480c --ra-ra---- informix informix >s 12 0x5256480d --ra-ra---- informix informix >s 13 0x5256480e --ra-ra---- informix informix >s 14 0x5256480f --ra-ra---- informix informix >s 15 0x52564810 --ra-ra---- informix informix >s 13 0x00000000 --ra------- lookatdb informix | This appears >s 14 0x00000000 --ra------- lookatdb informix | very >s 15 0x00000000 --ra------- lookatdb informix | suspicious > > > >Randall D. Harbison >Intergraph Corpration >rdharbis@ingr.com >rdharbis@iquest.com > Which version(s) of Online are you running? The last semaphore look like the application itself is using semaphores outside of Informix. Try increasing the number of semaphores in the kernel parameters... -- David Williams