Caja crashes when opening D/L folder from Firefox

I have a same issue here on Ubuntu mate 17.04. When i want to open the "Download" location, Firefox freezes, but about 10 sec. or so, opening files, but not in file manager, but in Audacious music player....

The same thing happens for me with Mozilla's build of Firefox Nightly version 55.0a1 (2017-04-18).

Also happens when displaying Firefox's Download History (Ctrl+Shft+Y) and triggered by the same "Open Containing Folder" icon.

Today i tested Solus MATE 2017.04.18 with Mate Desktop 1.18.0.
There Firefox also freezes when trying to open "Downloads" after downloading a file.

I am also affected by this as well.

There is a patch that corrects this bug:

https://github.com/mate-desktop/caja/commit/6ece67ffa2b3c90f4c0ae69147b62ea255da3636

https://github.com/mate-desktop/caja/issues/771

The issue was actually a regression from migrating Caja to GtkApplication in 1.18.

I have this problem with Ubuntu Mate 17.04 x64 kernel 4.10.0-20, Firefox 53.0 x64 as of 5/7/2017.

It was happening in Fedora as well, so then I switched to Ubuntu Mate thinking I'd get away from it but was wrong.

Can you folks who add solutions come down from outer space and tell us newbs how to do this in a language we can understand?

Seeing this:
      */
     G_APPLICATION_CLASS (caja_application_parent_class)->startup (app);

+ /* Start the File Manager DBus Interface */
+ fdb_manager = caja_freedesktop_dbus_new (app);
+
     /* Initialize preferences. This is needed so that proper
      * defaults are available before any preference peeking
      * happens.

Does not tell me how to fix it.

Confirming both that the issue exists and that the patch does the trick. Applying this patch file:

https://github.com/mate-desktop/caja/commit/6ece67ffa2b3c90f4c0ae69147b62ea255da3636.patch

as-is into the 1.18.1-0ubuntu2 source code (although offset is -4 rows) works - I just opened the Downloads folder from Firefox.

Right, I don't know if this is correct, but I'm going to switch the package affected to caja as it is the package that needs the patch, not Firefox... Please correct my actions when necessary.

Changing affected package from firefox to caja, as the regression is in caja.

This is now fixed upstream in Caja 1.18.3.

Will the fix for caja be released in Zesty? I keep accidentally freezing my system :)

If not, can anyone post some instructions on how to apply the fix please.

Well, it's up to the maintainers now.

As far as I can tell, from the chatter on the Ubuntu Mate discussion forums, this fix likely won't make it in 17.04. Will have to wait till 17.10 for it, which is not all that far away.

I had notice this same behavior from Firefox running Ubuntu Mate 17.04, with a slightly different discover.
One time I did notice the freeze, got a call and left the computer for a while, later to see that the Downloads folder did opened, but after several seconds.
Following that first long wait, the "Open Containing folder" works normally.

@alefeltes yes, the freeze is temporary.

https://ubuntu-mate.community/t/firefox-freezes-after-trying-to-open-downloads/12630

See here the Ubuntu MATE forum thread on the subject.

An updated patch, which also fixes a build warning introduced in the original patch.

The attachment "restore DBus interface initialization" 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.]

[Impact]

Opening download folder from Firefox results in
UI freeze for the whole session. Some keyboard
shortcuts might still work, but mouse doesn't.
Need to kill Firefox to unfreeze the system.

The patch attached to this report fixes the issue.

The fix is already present in Artful and tested by
developers and users. Would be nice to backport it
to Zesty as well, as the whole session freeze is
quite a bad thing (even though you can stop it).

[Test Case]

Steps to reproduce:
- have a terminal running
- run Firefox
- download some file from somewhere
- click on download button to show the file list
- click on "open containing folder" button

Most UI apps will freeze after that.
As Alt-Tab shortcut still works, use it to switch
to terminal and run "killall firefox".

[Regression Potential]

None. The UI freeze *is* the regression. The patch
restores the missing DBus interface initialization
and affects nothing else.

[Other Info]

The patch is included into the debdiff attached to
bug 1680604.

The debdiff contains patches to fix bug 1680604,
bug 1683653, bug 1688687. See other reports for the
corresponding SRU templates.

Hello lauricat, or anyone else affected,

Accepted caja into zesty-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/caja/1.18.1-0ubuntu2.1 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 on 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-zesty to verification-done-zesty. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-zesty. 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!

Hi,

I'm affected by this bug under Xubuntu 16.04 LTS / i686. How can I install and test this fix?

Thanks in advance for your answer.

There's no official MATE 1.18 release for Xenial. If you're using some unofficial third-party repository, ask its maintainer to update Caja to 1.18.3.

Testing in Zesty. It's done after testing the fix for bug 1680604, so the packages are already updated to version 1.18.1-0ubuntu2.1 from zesty-proposed.

This test is simple... I just downloaded a file via Firefox and clicked on the button to open the download folder. The folder is opened in Caja as intended. There are no UI freezes.

For the record, the file to download was just upstream Caja tarball:
http://pub.mate-desktop.org/releases/1.18/caja-1.18.4.tar.xz

This bug was fixed in the package caja - 1.18.1-0ubuntu2.1

---------------
caja (1.18.1-0ubuntu2.1) zesty; urgency=medium

  * Added patches:
    + fix-list-view-zoom.patch - fixes visual issues with zoom in
      list view (LP: #1680604)
    + restore-dbus-init.patch - restores DBus initialization to fix
      Firefox freeze when opening download folder (LP: #1683653)
    + fix-mousewheel-scroll.patch - fixes mousewheel scrolling over
      pathbar buttons (LP: #1688687)

 -- Vlad Orlov <email address hidden> Mon, 06 Nov 2017 22:00:31 +0300

The verification of the Stable Release Update for caja has completed successfully and the package has now been released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.