Jack/Natty crashes on "Cannot create thread 1 Operation not permitted" error
ronan at jouchet.fr
Mon Dec 13 02:05:00 GMT 2010
On 10-12-12 08:41 PM, Brian David wrote:
> On Sun, Dec 12, 2010 at 4:10 PM, Ronan Jouchet<ronan at jouchet.fr> wrote:
>> I can't run Jack under Natty, it refuses to start and raises a "Cannot
>> create thread 1 Operation not permitted" error. Full log at
>> Help welcome... maybe I just forgot something stupid, maybe this is a
>> real issue.
>> More info:
>> Realtime setup done at installed time
>> Realtime setup confirmed via the Ubustu Controls app (user in audio
>> group, memlock, rtprio)
>> Kernels tested: generic, lowlatency
>> Tested under normal user account and with sudo
>> Gear: Edirol FA-66 through a TI PCMCIA card that used to work
>> flawlessly under Lucid and Maverick.
>> Natty 20101212 x86
>> Thanks for your help,
> One issue I see right away is that you should not be using Ubuntu
> Studio Controls to adjust the realtime settings. Unless things have
> changed (perhaps they have), Ubuntu Studio Controls edits
> /etc/security/limits.conf, which is the wrong file. The file you will
> want to edit is /etc/security/limits.d/audio.conf. Because you've
> used Ubuntu Studio Controls, there's a chance that you have settings
> in both limits.conf and audio.conf, and this can definitely cause
> Make sure only one of those files has the realtime settings. Hope that helps!
Indeed, both files exist and have different settings, I'm having a look
Also, adi from #ffado mentioned several points nedding investigation,
I'll test them tomorrow and report here.
Thanks for the hint!
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