[dolphin] [Bug 423187] New: Dolphin freezes when opening rclone or other FUSE mounts

[Sipho Mateke]

https://bugs.kde.org/show_bug.cgi?id=423187

            Bug ID: 423187
           Summary: Dolphin freezes when opening rclone or other FUSE
                    mounts
           Product: dolphin
           Version: 19.12.3
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: siphomateke at gmail.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

Created attachment 129500
  --> https://bugs.kde.org/attachment.cgi?id=129500&action=edit
Demonstration of Dolphin becoming unresponsive while a FUSE mount is loading

SUMMARY
Opening [rclone](http://rclone.org/) or other FUSE-based mounts such as pCloud
Drive makes Dolphin's UI unresponsive and completely unusable until the mount
has finished loading. Other file managers such as Nautilus do not freeze when
opening the exact same mounts.

STEPS TO REPRODUCE
1. Add a remote to rclone such as OneDrive ([see rclone's
documentation](https://rclone.org/onedrive/))
2. Mount the remote
3. Open a folder on the remote that has many files in Dolphin
4. Wait for the remote folder to load and try to continue using Dolphin
5. Open the same folder in Nautilus
6. Try to use Nautilus while the folder loads

OBSERVED RESULT
Dolphin becomes unresponsive while the remote loads and no loading indicator is
shown. Opening the same folder in Nautilus does not render it unresponsive and
it correctly shows a loading indicator.

EXPECTED RESULT
Dolphin should remain responsive and show some sort of loading indicator while
loading FUSE mounts just like it does for other remotes such as FTP.

SOFTWARE/OS VERSIONS
Dolphin Version: 19.12.3
Operating System: Kubuntu 20.04
KDE Plasma Version: 5.18.5
KDE Frameworks Version: 5.68.0
Qt Version: 5.12.8
Kernel Version: 5.4.0-37-generic

ADDITIONAL INFORMATION
Originally reported on Reddit
https://www.reddit.com/r/kde/comments/haxpfg/dolphin_freezes_when_opening_rclone_mounts/

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