[MacPorts] #58274: sane-backends and dbus problem after upgrade to macOS 10.14.4 (18E226)

[MacPorts]

#58274: sane-backends and dbus problem after upgrade to macOS 10.14.4 (18E226)
----------------------------+--------------------------------------
  Reporter:  Kyshman        |      Owner:  (none)
      Type:  defect         |     Status:  new
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:  2.5.4
Resolution:                 |   Keywords:  sane-backends dbus avahi
      Port:  sane-backends  |
----------------------------+--------------------------------------
Changes (by Kyshman):

 * cc: Kyshman (added)


Old description:

> After an upgrade to macOS 10.14.4 sane applications like xsane, scanimage
> are failing with a dbus error.
>
> > scanimage -L
> dbus[85732]: Dynamic session lookup supported but failed: launchd did not
> provide a socket path, verify that org.freedesktop.dbus-session.plist is
> loaded!
> Assertion failed: (p), function avahi_threaded_poll_lock, file thread-
> watch.c, line 171.
> fish: 'scanimage -L' terminated by signal SIGABRT (Abort)
>
> After setting up debug more information is provided.
>
> bash-3.2$ SANE_DEBUG_NET=3 scanimage -L
> [sanei_debug] Setting debug level of net to 3.
> [net] sane_init: authorize != null, version_code != null
> dbus[57747]: Dynamic session lookup supported but failed: launchd did not
> provide a socket path, verify that org.freedesktop.dbus-session.plist is
> loaded!
> [net] net_avahi_init: could not create Avahi client: Memory exhausted
> [net] net_avahi_init: Avahi init failed, support disabled
> [net] sane_init: SANE net backend version 1.0.14 (AF-indep+IPv6) from
> sane-backends 1.0.27
> [net] sane_init: Client has little endian byte order
> [net] sane_init: searching for config file
> [net] sane_init: done reading config
> [net] sane_init: evaluating environment variable SANE_NET_HOSTS
> [net] sane_init: evaluating environment variable SANE_NET_TIMEOUT
> [net] sane_init: done
> [net] sane_get_devices: local_only = 0
> [net] sane_get_devices: finished (0 devices)
>
> No scanners were identified. If you were expecting something different,
> check that the scanner is plugged in, turned on and detected by the
> sane-find-scanner tool (if appropriate). Please read the documentation
> which came with this software (README, FAQ, manpages).
> [net] sane_exit: exiting
> [net] sane_exit: finished.
>
> This setup was working on before the upgrade.

New description:

 After an upgrade to macOS 10.14.4 sane applications like xsane, scanimage
 are failing with a dbus error.


 {{{
 > scanimage -L
 dbus[85732]: Dynamic session lookup supported but failed: launchd did not
 provide a socket path, verify that org.freedesktop.dbus-session.plist is
 loaded!
 Assertion failed: (p), function avahi_threaded_poll_lock, file thread-
 watch.c, line 171.
 fish: 'scanimage -L' terminated by signal SIGABRT (Abort)
 }}}


 After setting up debug more information is provided.


 {{{
 bash-3.2$ SANE_DEBUG_NET=3 scanimage -L
 [sanei_debug] Setting debug level of net to 3.
 [net] sane_init: authorize != null, version_code != null
 dbus[57747]: Dynamic session lookup supported but failed: launchd did not
 provide a socket path, verify that org.freedesktop.dbus-session.plist is
 loaded!
 [net] net_avahi_init: could not create Avahi client: Memory exhausted
 [net] net_avahi_init: Avahi init failed, support disabled
 [net] sane_init: SANE net backend version 1.0.14 (AF-indep+IPv6) from
 sane-backends 1.0.27
 [net] sane_init: Client has little endian byte order
 [net] sane_init: searching for config file
 [net] sane_init: done reading config
 [net] sane_init: evaluating environment variable SANE_NET_HOSTS
 [net] sane_init: evaluating environment variable SANE_NET_TIMEOUT
 [net] sane_init: done
 [net] sane_get_devices: local_only = 0
 [net] sane_get_devices: finished (0 devices)

 No scanners were identified. If you were expecting something different,
 check that the scanner is plugged in, turned on and detected by the
 sane-find-scanner tool (if appropriate). Please read the documentation
 which came with this software (README, FAQ, manpages).
 [net] sane_exit: exiting
 [net] sane_exit: finished.
 }}}


 This setup was working before the upgrade to 10.14.4

--

-- 
Ticket URL: <https://trac.macports.org/ticket/58274#comment:1>
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