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-   -   What is IPCS? (https://www.linuxquestions.org/questions/linux-server-73/what-is-ipcs-533016/)

housemusic42 02-27-2007 02:09 PM

What is IPCS?
 
I have an error reporting on my console and I'm not sure what it means:

Code:

Can't attach shared memory(key=0x64), errno=12
the only thing i could find on google was this:

http://lists.us.dell.com/pipermail/l...ly/015638.html

ok, so run the ipcs -t command and read the output, so i did:

Code:

------ Shared Memory Attach/Detach/Change Times --------
shmid      owner      attached            detached            changed
0          root        Jan 23 14:50:38      Jan 21 01:33:29      Jan 14 01:15:25

------ Semaphore Operation/Change Times --------
semid    owner      last-op                    last-changed
1966080  apache      Not set                    Mon Feb 26 19:35:03 2007
1998849  apache      Not set                    Mon Feb 26 19:35:03 2007
2031618  apache      Not set                    Mon Feb 26 19:35:03 2007
2064387  apache      Not set                    Mon Feb 26 19:35:03 2007
2097156  apache      Not set                    Mon Feb 26 19:35:03 2007
2129925  apache      Tue Feb 27 14:06:06 2007  Mon Feb 26 19:35:03 2007
2162694  apache      Tue Feb 27 14:06:06 2007  Mon Feb 26 19:35:03 2007

------ Message Queues Send/Recv/Change Times --------
msqid    owner      send                recv                change

ok, well what does this really mean? so like any other user i went to the man page to find this under bugs:

Code:

This manual page is woefully incomplete, because it does not at all
    attempt to explain the information printed by ipcs.

that's where i got lost. what am I looking for here?

--gomez

syg00 02-27-2007 03:45 PM

Start googling - here might be as good a start as any.
Issue the command without the "-t", and see what's really happening.


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