Crash when deleting QMediaPlayer instance

Bug #1523722 reported by errors.ubuntu.com bug bridge
12
This bug affects 2 people
Affects Status Importance Assigned to Milestone
Canonical System Image
Incomplete
High
Unassigned
media-hub (Ubuntu)
Incomplete
High
Jim Hodapp
qtubuntu-media (Ubuntu)
Incomplete
High
Jim Hodapp
telephony-service (Ubuntu)
Invalid
High
Tiago Salem Herrmann

Bug Description

The Ubuntu Error Tracker has been receiving reports about a problem regarding telephony-service. This problem was most recently seen with version 0.1+16.04.20151119-0ubuntu1, the problem page at https://errors.ubuntu.com/problem/8f663af0b140859566ab5cf21a4ad6e5eb7b6fc0 contains more details.

Tags: vivid wily xenial
Bill Filler (bfiller)
Changed in telephony-service (Ubuntu):
assignee: nobody → Tiago Salem Herrmann (tiagosh)
importance: Undecided → High
Changed in canonical-devices-system-image:
assignee: nobody → Bill Filler (bfiller)
milestone: none → ww02-2016
importance: Undecided → High
Changed in canonical-devices-system-image:
status: New → Confirmed
summary: - /usr/bin/telephony-service-
- approver:6:__gnu_cxx::__verbose_terminate_handler:__cxxabiv1::__terminate:std::terminate:__cxxabiv1::__cxa_throw:core::dbus::Bus::send_with_reply_and_block_for_at_most
+ Crash when deleting QMediaPlayer instance
Changed in qtubuntu-media (Ubuntu):
assignee: nobody → Jim Hodapp (jhodapp)
Revision history for this message
Tiago Salem Herrmann (tiagosh) wrote :

I am guessing this crash started to happen when we introduced the following change:
http://bazaar.launchpad.net/~phablet-team/telephony-service/trunk/revision/1144

It essentially pauses the stream and delete the old instance before creating a new one.
The backtrace shows an exception is raised in core::dbus::Bus::send_with_reply_and_block_for_at_most, and another thread shows a __pthread_cond_wait(), can it be some sort of deadlock on deletion?

Changed in telephony-service (Ubuntu):
status: New → Invalid
Bill Filler (bfiller)
Changed in qtubuntu-media (Ubuntu):
importance: Undecided → High
Changed in canonical-devices-system-image:
assignee: Bill Filler (bfiller) → John McAleely (john.mcaleely)
Changed in media-hub (Ubuntu):
assignee: nobody → Jim Hodapp (jhodapp)
importance: Undecided → High
Changed in canonical-devices-system-image:
milestone: ww02-2016 → ww08-2016
Changed in canonical-devices-system-image:
milestone: ww08-2016 → backlog
Revision history for this message
Jim Hodapp (jhodapp) wrote :

@tiagosh: I'm curious if this still happens for you?

Changed in media-hub (Ubuntu):
status: New → Incomplete
Changed in qtubuntu-media (Ubuntu):
status: New → Incomplete
Changed in canonical-devices-system-image:
status: Confirmed → Incomplete
Revision history for this message
Brian Murray (brian-murray) wrote :

The most recent package version with this crash in the Error Tracker is 0.1+16.04.20160122-0ubuntu1.

Revision history for this message
Jim Hodapp (jhodapp) wrote :

@brian-murray: right, however I am curious if it's still happening with any workaround to the telephony-service not applied.

Changed in canonical-devices-system-image:
assignee: John McAleely (john.mcaleely) → nobody
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