[linux-audio-user] Jack and SHM

Jack O'Quin joq at io.com
Fri Jan 23 08:13:03 EST 2004

Christophe Vescovi <vescovi at lpsc.in2p3.fr> writes:

> Well, as suggested by Steve, I tried to traced the problem
> yesterday. Since I need to re-compile jack I have update my CVS tree,
> compile why SysV shm and it works !!!!
> First time I had this problem was in September with jack 0.80.0,
> before I was not using the -R option, after I was using POSIX shm. The
> error message was issued only when a client want to connect to jack.

JACK 0.80.0 predates the current shm implementation.  That version had
problems with leaving old shm segments lying around after jackd
terminated.  Maybe they caused the problem you saw.

> Anyway, the problem seems to be fixed, and for me JACK shm
> implementation seems to be stable both with POSIX and SysV shm.

Glad to hear it.  Thanks for the report.

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