[linux-audio-user] Again on sudden and occasional Jack crackling sound

Jack O'Quin joq at io.com
Tue Aug 9 11:12:47 EDT 2005


Salvatore Di Pietro <salvuz_78 at virgilio.it> writes:

> Now that jack 0.100.0 was out, I grabbed the source,
>
> ./configure --prefix=/usr --enable-stripped-jackd --disable-portaudio
> --disable-coreaudio --enable-capabilities --enable-optimize
> --enable-posix-shm --enable-resize --enable-timestamps
> --with-default-tmpdir=/mnt/ramfs
>
> make && make install
>
> and thought the end of my nightmare had
> finally come, but, unfortunately, that's not the case...
> As in subject, It Happened Again.
> And,worst of all, all jack clients (not only oss2jack), even ardour
> (even via his latency panel), die with
>
> cannot open shm segment /jack-1 (No such file or directory)
> cannot attach port segment shared memory (No such file or directory)
> Killed
>
> upon setting jack buffersize.

What happens if you omit --enable-posix-shm?  System V shm seems to
work better on Linux.  POSIX shm is mainly used for OSX.
-- 
  joq



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