[Bug 1479715] Re: Crash due to fd leak when playing sounds in pidgin

[Launchpad Bug Tracker]

This bug was fixed in the package pidgin - 1:2.10.11-0ubuntu4.1

---
pidgin (1:2.10.11-0ubuntu4.1) wily; urgency=medium

  * debian/patches/hg_gst_leak.patch:
"When receiving an error or stream finished message, we can free the
 Gstreamer pipeline so we don't leak it for each sound." (lp: #1479715)

 -- Sebastien Bacher   Tue, 23 Feb 2016 11:38:09
+0100

** Changed in: pidgin (Ubuntu Wily)
   Status: Fix Committed => Fix Released

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  Crash due to fd leak when playing sounds in pidgin

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[Bug 1479715] Re: Crash due to fd leak when playing sounds in pidgin

[Amr Ibrahim]

** Changed in: pidgin (Ubuntu)
   Status: Confirmed => Fix Released

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Title:
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[Bug 1479715] Re: Crash due to fd leak when playing sounds in pidgin

[Dx]

Okay got my dev pc back and tested this.

The test case in the description is passing with the wily-proposed
package, 2.10.11-0ubuntu4.1

Had to adjust the fd limit i originally suggested for the test to be
more reliable - 20 was a bit too low and was sometimes failing during
startup even, so I used 40 instead - but it always returns to the
original number so there's no leak.

Also tested in combination with the new gstreamer packages, and in a VM
with no sound - I think that covers every known fd leak source.

Thanks!

** Tags removed: verification-needed
** Tags added: verification-done

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[Bug 1479715] Re: Crash due to fd leak when playing sounds in pidgin

[Brian Murray]

Hello errors.ubuntu.com, or anyone else affected,

Accepted pidgin into wily-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/pidgin/1:2.10.11-0ubuntu4.1 in a
few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Tags added: verification-needed

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Title:
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[Bug 1479715] Re: Crash due to fd leak when playing sounds in pidgin

[Sebastien Bacher]

Thanks for the report and sorry for the delay, I'm updating xenial and
uploaded a SRU for wily

** Also affects: pidgin (Ubuntu Wily)
   Importance: Undecided
   Status: New

** Changed in: pidgin (Ubuntu Wily)
   Importance: Undecided => High

** Changed in: pidgin (Ubuntu Wily)
   Status: New => Fix Committed

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[Bug 1479715] Re: Crash due to fd leak when playing sounds in pidgin

[Dx]

I haven't had access to my dev computer for a few weeks so I couldn't
test that wily-proposed package yet. I would appreciate if someone else
did - the test case in the description is fairly easy to set up, IMO.

However, note that bug #1529445 is not the same thing as this bug - the
wily-proposed package won't fix this.

This bug is about a very specific fd leak introduced in ubuntu patches
to pidgin 2.10.11. In wily this should be fixed with the attached patch.
In xenial, by upgrading to 2.10.12 and removing those local gstreamer
1.0 patches.

The other bug is about completely different gstreamer fd leaks that in
rare situations may have the same effect with pidgin.

The gstreamer leaks are less frequent. The ones from this bug happen on
every sound that is played.

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[Bug 1479715] Re: Crash due to fd leak when playing sounds in pidgin

[Sebastien Bacher]

> I have no idea what it takes to get through that into a regular
update.

it needs somebody to install the update and verify it works as it
should/fixes the problem it's supposed to/doesn't create regression and
then comment back on launchpad saying that...

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[Bug 1479715] Re: Crash due to fd leak when playing sounds in pidgin

[Paul Smith]

A fix for this has been sitting in wily-proposed for about 3 weeks now.
I have no idea what it takes to get through that into a regular update.
It's been handled as Bug #1529445 so look there for more details.  Maybe
someone knows how to move it forward through the process?

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Re: [Bug 1479715] Re: Crash due to fd leak when playing sounds in pidgin

[Pablo Sichert]

Disabling all sounds but "Message received" and "Attention received" is the
best workaround for now - the amount of sounds are reduced to a fraction
compared to enabling online notifications and messages sent sounds.

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Re: [Bug 1479715] Re: Crash due to fd leak when playing sounds in pidgin

[Cysioland]

It could, but it would be unpleasant, as people like, when thet get an
audible "ping" when they've got a message.

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[Bug 1479715] Re: Crash due to fd leak when playing sounds in pidgin

[Bert van der Horst]

Would disabling sound in Pidgin be a usefull workarround?

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[Bug 1479715] Re: Crash due to fd leak when playing sounds in pidgin

[Cysioland]

I see it nominated for wily, but it occurs in wily.

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[Bug 1479715] Re: Crash due to fd leak when playing sounds in pidgin

[Dx]

That's how bugs work here. They start as something for development
versions only and then they are nominated to be fixed in stable
releases.

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[Bug 1479715] Re: Crash due to fd leak when playing sounds in pidgin

[Richard-purdie-1]

I ran into the same issue.

To improve searchability for this, the messages you see on the console
from this are:

ERROR: cannot create wakeup pipe

(Pidgin:8924): GStreamer-CRITICAL **: gst_poll_get_read_gpollfd:
assertion 'set != NULL' failed

(Pidgin:8924): GStreamer-CRITICAL **: gst_poll_write_control: assertion
'set != NULL' failed

(Pidgin:8924): GStreamer-CRITICAL **: gstsystemclock: write control
failed in wakeup_async: 24:Too many open files


(Pidgin:8924): GStreamer-CRITICAL **: gst_poll_free: assertion 'set != NULL' 
failed

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[Bug 1479715] Re: Crash due to fd leak when playing sounds in pidgin

[Dx]

Created bug 1529445, which is about a different fd leak in gstreamer
1.6.0 itself that can result in the exact same crash in pidgin as this
bug.

It's not as straightforward as this bug in that it doesn't leak
constantly for all users, but requires, for example, not having a sound
card or some other error to play sounds (that's two different reports
from users who got crashes).

Mentioning this here mostly because until today I thought this was yet
another bug in pidgin that wasn't fixed, but no, it's a problem in
gstreamer. Or rather, ubuntu in general, which doesn't do SRUs of
bugfix-only releases until someone decides to point out that it's
critical enough. *sigh*. Don't mind me, it's like 4am and I feel like I
wasted most of my day with this dumb issue.

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[Bug 1479715] Re: Crash due to fd leak when playing sounds in pidgin

[Alberto Salvia Novella]

** Changed in: pidgin (Ubuntu)
   Importance: Undecided => High

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[Bug 1479715] Re: Crash due to fd leak when playing sounds in pidgin

[Ubuntu Foundations Team Bug Bot]

The attachment "remove-gstreamer-pipeline-after-playing-a-sound-
902b1fd.diff" seems to be a patch.  If it isn't, please remove the
"patch" flag from the attachment, remove the "patch" tag, and if you are
a member of the ~ubuntu-reviewers, unsubscribe the team.

[This is an automated message performed by a Launchpad user owned by
~brian-murray, for any issues please contact him.]

** Tags added: patch

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[Bug 1479715] Re: Crash due to fd leak when playing sounds in pidgin

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: pidgin (Ubuntu)
   Status: New => Confirmed

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