23 Oct
2012
23 Oct
'12
5:46 a.m.
Apologies for not appending this to the original thread correctly - I
just joined the list.
This is in reference to this thread about jackd2 and X11/dbus:
http://linuxaudio.org/mailarchive/lau/2012/9/16/192998
I had essentially the the same problem as Len when I tried to run jackd:
Failed to connect to session bus for device reservation Unable to
autolaunch a dbus-daemon without a $DISPLAY for X11
This was in Archlinux on a Raspberry Pi, but I had identical problems
under Debian Wheezy on the Raspberry Pi and a "normal" piece of
hardware. I tried setting DISPLAY=:0 but it still didn't solve it.
Incredibly frustrating.
I finally read the man page for dbus-launch and noted that apps which
it started expected to have DBUS_SESSION_BUS_ADDRESS set correctly in
their session, which it happily provided for them. I also noticed I
already had a dbus-daemon running in the base distro.
The solution was to set the session bus address variable to the path
to that dbus-daemon's socket, like so:
export DBUS_SESSION_BUS_ADDRESS=unix:path=/run/dbus/system_bus_socket
When I did that and tried running jackd again, I got a very specific
permission error that I was able to resolve by granting my user access
to the audio hardware. I added these lines to the other policy
settings in /etc/dbus-1/system.conf :
<policy user="root">
<allow own="org.freedesktop.ReserveDevice1.Audio0"/>
</policy>
I restarted my system-level dbus-daemon, and jackd started right up.
It shouldn't be too tough now to script that so it's always running
when the device starts.
I have no idea if that will work for you but perhaps it will put you
on the right path.
--Mark
23 Oct
23 Oct
8:16 a.m.
On 10/23/2012 07:46 AM, Mark Kendrick wrote:
I restarted my system-level dbus-daemon, and jackd
started right up.
It shouldn't be too tough now to script that so it's always running
when the device starts.
Hello Mark,
With device you mean a Raspberry Pi?
Best,
Jeremy
1:26 p.m.
On Tue, Oct 23, 2012 at 1:16 AM, Jeremy Jongepier <jeremy(a)autostatic.com> wrote:
On 10/23/2012 07:46 AM, Mark Kendrick wrote:
Yep, with a Raspberry Pi.
My goal is to mix eight audio sources on a capture server and prepare
a low-latency two-channel stream to be played back on a USB device
connected to a Raspberry Pi. I want to have a single capture server
with powerful hardware and multiple Raspberry Pi's as playback
devices. Not sure how close to that I'll get, but this seems like a
good start and perhaps useful in it's own right.
-- Mark
I restarted my system-level dbus-daemon, and jackd started right up.
It shouldn't be too tough now to script that so it's always running
when the device starts.
Hello Mark,
With device you mean a Raspberry Pi?
1:37 p.m.
On 10/23/2012 03:26 PM, Mark Kendrick wrote:
On Tue, Oct 23, 2012 at 1:16 AM, Jeremy Jongepier
<jeremy(a)autostatic.com> wrote:
That's good news. My RPi is starting to gather dust because I couldn't
get JACK to run on it. But this is with Gentoo right? Hopefully it works
with Raspbian too.
Best,
Jeremy
On 10/23/2012 07:46 AM, Mark Kendrick wrote:
Yep, with a Raspberry Pi.
My goal is to mix eight audio sources on a capture server and prepare
a low-latency two-channel stream to be played back on a USB device
connected to a Raspberry Pi. I want to have a single capture server
with powerful hardware and multiple Raspberry Pi's as playback
devices. Not sure how close to that I'll get, but this seems like a
good start and perhaps useful in it's own right.
-- Mark
I restarted my system-level dbus-daemon, and jackd started right up.
It shouldn't be too tough now to script that so it's always running
when the device starts.
Hello Mark,
With device you mean a Raspberry Pi?
2:12 p.m.
On Tue, Oct 23, 2012 at 6:41 AM, Jeremy Jongepier <jeremy(a)autostatic.com> wrote:
On 10/23/2012 03:37 PM, Jeremy Jongepier wrote:
Correct, with Arch, but the Arch for the Raspberry PI. This is my
first time with Arch, and I had to figure out how to drive their
package manager, but once I got that sorted things went pretty
smoothly.
I should note that this is with a USB audio device, not the built-in
audio hardware. It should work okay with the built-in hardware, since
it's still Jack-to-Alsa, but I haven't tried it yet.
--Mark
But this is with Gentoo right?
.<
I meant Arch.
2:37 p.m.
On 10/23/2012 04:12 PM, Mark Kendrick wrote:
On Tue, Oct 23, 2012 at 6:41 AM, Jeremy Jongepier
<jeremy(a)autostatic.com> wrote:
Ok, then I hope it works with Raspbian too. My experience with Arch was
short, it's not my kind of distro.
On 10/23/2012 03:37 PM, Jeremy Jongepier wrote:
Correct, with Arch, but the Arch for the Raspberry PI. This is my
first time with Arch, and I had to figure out how to drive their
package manager, but once I got that sorted things went pretty
smoothly.
But this is with Gentoo right?
.<
I meant Arch.
I should note that this is with a USB audio device,
not the built-in
audio hardware. It should work okay with the built-in hardware, since
it's still Jack-to-Alsa, but I haven't tried it yet.
I want to use a similar set-up, as I need inputs (I'd like to run
Guitarix on my RPi).
Jeremy
--Mark
3:59 p.m.
On 10/23/2012 04:12 PM, Mark Kendrick wrote:
It doesn't work. I already don't get any D-Bus related errors when starting JACK
without the mods. I get the infamous bus error and that's it. Guess it's getting
time to put Arch on my RPi.
Best,
Jeremy
On Tue, Oct 23, 2012 at 6:41 AM, Jeremy Jongepier
<jeremy(a)autostatic.com>
wrote:
Ok, then I hope it works with Raspbian too. My experience with Arch was
short, it's not my kind of distro.
On 10/23/2012 03:37 PM, Jeremy Jongepier wrote:
Correct, with Arch, but the Arch for the Raspberry PI. This is my
first time with Arch, and I had to figure out how to drive their
package manager, but once I got that sorted things went pretty
smoothly.
But this is with Gentoo right?
.<
I meant Arch.
I should note that this is with a USB audio
device, not the built-in
audio hardware. It should work okay with the built-in hardware, since
it's still Jack-to-Alsa, but I haven't tried it yet.
I want to use a similar set-up, as I need inputs (I'd like to run
Guitarix on my RPi).
Jeremy
4:19 p.m.
On Tue, Oct 23, 2012 at 8:59 AM, <jeremy(a)autostatic.com> wrote:
Ah yes, The Bus Error. Odd that it still persists. For what it's
worth, that's accompanied by a bunch of kernel messages about memory
alignment if you look at dmesg or kern.log. Regardless, the only way I
got around it was with Arch. I suspect it will be worked out by
someone soon under Raspian but it's not there yet.
--Mark
On 10/23/2012
04:12 PM, Mark Kendrick wrote:
It doesn't work. I already don't get any D-Bus related errors when starting JACK
without the mods. I get the infamous bus error and that's it. Guess it's getting
time to put Arch on my RPi.
On Tue, Oct 23, 2012 at 6:41 AM, Jeremy Jongepier
<jeremy(a)autostatic.com>
wrote:
Ok, then I hope it works with Raspbian too. My experience with Arch was
short, it's not my kind of distro.
On 10/23/2012 03:37 PM, Jeremy Jongepier wrote:
>
> But this is with Gentoo right?
> .<
I meant Arch.
Correct, with Arch, but the Arch for the Raspberry PI. This is my
first time with Arch, and I had to figure out how to drive their
package manager, but once I got that sorted things went pretty
smoothly.
I should note that this is with a USB audio
device, not the built-in
audio hardware. It should work okay with the built-in hardware, since
it's still Jack-to-Alsa, but I haven't tried it yet.
I want to use a similar set-up, as I need inputs (I'd like to run
Guitarix on my RPi).
Jeremy
7:44 p.m.
On 10/23/2012 06:19 PM, Mark Kendrick wrote:
Ah yes, The Bus Error. Odd that it still persists. For
what it's
worth, that's accompanied by a bunch of kernel messages about memory
alignment if you look at dmesg or kern.log. Regardless, the only way I
got around it was with Arch. I suspect it will be worked out by
someone soon under Raspian but it's not there yet.
--Mark
Dumped Arch on an SD card and JACK is now running with the onboard
soundcard. Thanks Mark!
Best,
Jeremy
24 Oct
24 Oct
11:40 a.m.
On 10/23/2012 09:44 PM, Jeremy Jongepier wrote:
On 10/23/2012 06:19 PM, Mark Kendrick wrote:
Grrrr, and then it stopped working....
Failed to acquire device name : Audio0 error : Connection ":1.6" is not
allowed to own the service "org.freedesktop.ReserveDevice1.Audio0" due
to security policies in the configuration file
While I did add the lines to /etc/dbus-1/system.conf and rebooted. Guess
I'm overseeing something again. I did do a reinstall though.
Best,
Jeremy
Ah yes, The Bus Error. Odd that it still
persists. For what it's
worth, that's accompanied by a bunch of kernel messages about memory
alignment if you look at dmesg or kern.log. Regardless, the only way I
got around it was with Arch. I suspect it will be worked out by
someone soon under Raspian but it's not there yet.
--Mark
Dumped Arch on an SD card and JACK is now running with the onboard
soundcard. Thanks Mark!
Best,
Jeremy
2:37 p.m.
On Wed, Oct 24, 2012 at 4:40 AM, Jeremy Jongepier <jeremy(a)autostatic.com> wrote:
On 10/23/2012 09:44 PM, Jeremy Jongepier wrote:
Are you logged in under a different user? Those lines only grant
access to the root user. I'd suggest you check to be sure they still
refer to the same device name, and that they match the user you're
logged in as. Also make sure to restart the dbus service after your
changes.
Someone who knows dbus better than I could probably recommend a better
place to put the permission changes. Might need to do some research on
that.
--Mark
On 10/23/2012 06:19 PM, Mark Kendrick wrote:
Grrrr, and then it stopped working....
Failed to acquire device name : Audio0 error : Connection ":1.6" is not
allowed to own the service "org.freedesktop.ReserveDevice1.Audio0" due to
security policies in the configuration file
While I did add the lines to /etc/dbus-1/system.conf and rebooted. Guess I'm
overseeing something again. I did do a reinstall though.
Ah yes, The Bus Error. Odd that it still persists. For what it's
worth, that's accompanied by a bunch of kernel messages about memory
alignment if you look at dmesg or kern.log. Regardless, the only way I
got around it was with Arch. I suspect it will be worked out by
someone soon under Raspian but it's not there yet.
--Mark
Dumped Arch on an SD card and JACK is now running with the onboard
soundcard. Thanks Mark!
Best,
Jeremy
7:15 p.m.
On 10/24/2012 04:37 PM, Mark Kendrick wrote:
Are you logged in under a different user?
Yup. When it worked I was probably logged in as root.
Those lines only grant
access to the root user. I'd suggest you check to
be sure they still
refer to the same device name, and that they match the user you're
logged in as. Also make sure to restart the dbus service after your
changes.
systemctl restart dbus.service I assume? This is the first time I have
to deal with systemd.
/etc looks so.... empty now without init.d :(
Jeremy
Someone who knows dbus better than I could probably
recommend a better
place to put the permission changes. Might need to do some research on
that.
--Mark
25 Oct
25 Oct
9:26 a.m.
On 10/24/2012 09:15 PM, Jeremy Jongepier wrote:
On 10/24/2012 04:37 PM, Mark Kendrick wrote:
It sort of works with my Edirol UA-25, but not with the onboard card.
With the onboard card I get the mmap error while I'm almost sure I got
it to work before I re-dd'd my SD card. I was probably using the dummy
driver before.
With my UA-25 JACK starts and then the leds go out on my UA-25 and JACK
goes ballistic. Probably a power issue, I'll try with a powered USB hub.
Jeremy
Are you logged in under a different user?
Yup. When it worked I was probably logged in as root.
Those lines only grant
access to the root user. I'd suggest you
check to be sure they still
refer to the same device name, and that they match the user you're
logged in as. Also make sure to restart the dbus service after your
changes.
systemctl restart dbus.service I assume? This is the first time I have
to deal with systemd.
/etc looks so.... empty now without init.d :(
Jeremy
Someone who knows dbus better than I could
probably recommend a better
place to put the permission changes. Might need to do some research on
that.
--Mark
9:53 a.m.
Am 25.10.2012 11:26, schrieb Jeremy Jongepier:
On 10/24/2012 09:15 PM, Jeremy Jongepier wrote:
On my Raspberry-Pi I use the dummy-driver and then alsa_out to get the
sound to the onboard sound chip (as posted here:
http://www.raspberrypi.org/phpBB3/viewtopic.php?p=196500#p196500 and
here: http://www.raspberrypi.org/phpBB3/viewtopic.php?p=197194#p197194 )
However, I can't get my Edirol/Cakewalk UA-101 to work with the Pi but
I'm sure it's not related to power. I guess it's the Pi's USB host-chip
or its driver which seems to have problem with other devices (mostly DVB
stuff), too. Isochronous transfers (as used by most "professional" USB
audio interfaces) seem to be pretty hard for the Pi :(
Jannis
On 10/24/2012 04:37 PM, Mark Kendrick wrote:
It sort of works with my Edirol UA-25, but not with the onboard card.
With the onboard card I get the mmap error while I'm almost sure I got
it to work before I re-dd'd my SD card. I was probably using the dummy
driver before.
With my UA-25 JACK starts and then the leds go out on my UA-25 and JACK
goes ballistic. Probably a power issue, I'll try with a powered USB hub. Are you logged in under a different user?
Yup. When it worked I was probably logged in as root.
Those lines only grant
access to the root user. I'd suggest you
check to be sure they still
refer to the same device name, and that they match the user you're
logged in as. Also make sure to restart the dbus service after your
changes.
systemctl restart dbus.service I assume? This is the first time I have
to deal with systemd.
/etc looks so.... empty now without init.d :(
Jeremy
Someone who knows dbus better than I could
probably recommend a better
place to put the permission changes. Might need to do some research on
that.
--Mark
10:59 a.m.
On 10/25/2012 11:53 AM, Jannis Achstetter wrote:
On my Raspberry-Pi I use the dummy-driver and then
alsa_out to get the
sound to the onboard sound chip (as posted here:
http://www.raspberrypi.org/phpBB3/viewtopic.php?p=196500#p196500 and
here:http://www.raspberrypi.org/phpBB3/viewtopic.php?p=197194#p197194 )
However, I can't get my Edirol/Cakewalk UA-101 to work with the Pi but
I'm sure it's not related to power. I guess it's the Pi's USB host-chip
or its driver which seems to have problem with other devices (mostly DVB
stuff), too. Isochronous transfers (as used by most "professional" USB
audio interfaces) seem to be pretty hard for the Pi:(
Jannis
Hi Jannis,
Yes I've seen those posts and indeed, it seems the Pi has a hard time
doing isochronous stuff. When I use the -P or -C option of the ALSA
driver JACK starts without complaining.
Jeremy
1:45 p.m.
Miller, of puredata fame, just recently spent time putting together a RasberryPi
image with puredata all set up ... it may have jack set up, its probably worth
taking a looking at it, it was done with the Pi people involved as well.
By the way, apparently they finally finished negotiations with the chip
suppliers and the whole source for everything has just been released in the last
day or so, making it one of the very few completely FLOSS solutions out there.
I would imagine their huge sales helped with those negotiations.
Millers image can be found at ...
https://cloud.sdsc.edu/v1/AUTH_rpwagner/Data/raspberrypi/
http://pd-la.info/pdpi/
the 2G one is a compressed version, the uncompressed one is 7.4G
it has a lot of extra stuff,it was for a workshop he ran recently.
Simon
26 Oct
26 Oct
7:48 a.m.
On 10/25/2012 03:43 PM, Simon Wise wrote:
Miller, of puredata fame, just recently spent time
putting together a
RasberryPi image with puredata all set up ... it may have jack set up,
its probably worth taking a looking at it, it was done with the Pi
people involved as well.
By the way, apparently they finally finished negotiations with the chip
suppliers and the whole source for everything has just been released in
the last day or so, making it one of the very few completely FLOSS
solutions out there.
I would imagine their huge sales helped with those negotiations.
Millers image can be found at ...
https://cloud.sdsc.edu/v1/AUTH_rpwagner/Data/raspberrypi/
http://pd-la.info/pdpi/
the 2G one is a compressed version, the uncompressed one is 7.4G
it has a lot of extra stuff,it was for a workshop he ran recently.
Simon
Hi Simon,
Thanks for the info! I'll buy some other SD cards this afternoon and
give this a go. I've also ordered a 512Mb UK made RPi and some casings
and hope to have a fully functional portable digital guitar amp by the
time of LAC2013.
Jeremy
4206
days inactive
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days old
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17 comments
5 participants
participants (5)
-
Jannis Achstetter -
Jeremy Jongepier -
jeremy＠autostatic.com
-
Mark Kendrick -
Simon Wise