touch-packages team mailing list archive

[Steve Langasek <steve.langasek@xxxxxxxxxxxxx>]

Sorry, on closer look I see the touch.pa is meant to be passed as an
environment variable by the upstart job.  If I pass that correctly,
pulseaudio instead fails to start with the following error:

Dec 14 22:26:49 ubuntu-phablet pulseaudio[19153]: [pulseaudio] droid-util.c: Failed to open device (errno -38).
Dec 14 22:26:49 ubuntu-phablet pulseaudio[19153]: [pulseaudio] module.c: Failed to load module "module-droid-card" (argument: "voice_virtual_stream=true"): initialization failed.

So this is certainly still broken, at least on the emulator, but the
socket location is not the issue.

ERRNO 38 is ENOSYS, Invalid system call number.  I don't know why it's
printing this; the output from strace instead shows:

[pid 21541] open("/dev/eac", O_RDWR|O_LARGEFILE) = -1 EACCES (Permission denied)
[pid 21541] prctl(PR_GET_NAME, 0x1e10ba0, 0x40000000, 0x76ccf7a8, 0x75b51a44) = 0
[pid 21541] ioctl(2, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, 0x7e97c27c) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 21541] write(2, "E: [pulseaudio] droid-util.c: Fa"..., 65) = 65

Changing the permissions on /dev/eac to be writable by phablet is
sufficient to let pulseaudio start.

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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to ubuntu-touch-session in
Ubuntu.
https://bugs.launchpad.net/bugs/1526077

Title:
  ubuntu-touch-session pulseaudio job fails to start

Status in ubuntu-touch-session package in Ubuntu:
  New

Bug description:
  The pulseaudio upstart user session job from ubuntu-touch-session,
  /usr/share/upstart/sessions/pulseaudio.conf, runs a post-start script
  that polls for /run/user/`id -u`/pulse/dbus-socket.  Versions of
  pulseaudio in wily or later do not appear to create this socket
  anymore; they only create /run/user/$id/pulse/native.

  It's possible this is because the /etc/pulse/touch.pa config is not
  being properly applied and therefore module-dbus-protocol.so is not
  being loaded.  Regardless of the root cause, the symptom I'm seeing is
  that an emulator instance running wily fails to ever start the
  pulseaudio job.

  The post-start script shown in this job, where the script polls
  waiting for the creation of the socket, is also quite bad.  upstart
  does have inotify support; the affected jobs can instead be started
  directly on creation of the relevant socket.

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