[dolphin] [Bug 442010] New: In a new instance, Dolphin freezes for a long period the first time trying to open a file, with no freezes on any subsequent files

[Kyle Devir]

https://bugs.kde.org/show_bug.cgi?id=442010

            Bug ID: 442010
           Summary: In a new instance, Dolphin freezes for a long period
                    the first time trying to open a file, with no freezes
                    on any subsequent files
           Product: dolphin
           Version: unspecified
          Platform: Compiled Sources
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: kyle.devir at mykolab.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

SUMMARY

After opening a new instance, Dolphin will freeze for a good 10 or so seconds
upon trying to open any file, but eventually unfreezes, and the file opens
fine. Subsequent attempts to open files show no such freezes or delays. With
the Wayland backend, this was causing the Wayland connection to just die before
it could unfreeze, so I discovered this with the XCB backend.


STEPS TO REPRODUCE

1. Update to kdesrc-build master
2. Open fresh instance of Dolphin using XCB backend
3. Open any file ~ wait a long period for Dolphin to unfreeze and actually open
4. Open any other files, and notice immediate response


OBSERVED RESULT

Long delay with initial file opening.


EXPECTED RESULT

Normal response times


SOFTWARE/OS VERSIONS

Operating System: Arch Linux
KDE Plasma Version: 5.22.80
KDE Frameworks Version: 5.86.0
Qt Version: 5.15.2
Kernel Version: 5.14.1-arch1-1-custom (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 5600X 6-Core Processor
Memory: 15.5 GiB of RAM
Graphics Processor: Radeon RX 580 Series

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