[FreeBSD 6] semctl broken compared to 4-STABLE ...

[Kris Kennaway]

On Sun, Apr 02, 2006 at 02:55:39PM -0300, Marc G. Fournier wrote:
> 
> Back in April '05, someone posted a thread about PostgreSQL within FreeBSD 
> jails:
> 
> http://unix.derkeiler.com/Mailing-Lists/FreeBSD/stable/2005-04/0837.html
> 
> At the time (and to date) I reported that I was running several PostgreSQL 
> daemons, all on the same port, using FreeBSD 4.x, and all within a jail 
> each ... and I continue to do this without any problems ...
> 
> Today, on our new FreeBSD 6.x machine, I am now experiencing the same 
> problem that Alexander originally reported ...
> 
> Its not PostgreSQL related ... I'm running 4x7.4 servers on a FreeBSD 4.x 
> box, all on the same port ... here, I'm trying to run 2x7.4 servers on a 
> FreeBSD RELENG_6 box ...
> 
> So, something has changed with FreeBSD 6's (and, according to the above 
> thread, 5's) use of shared memory and semaphores that is breaking the 
> ability to do this ... something that did work as hoped in FreeBSD 4 ...

See jail(8)?

Kris
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