https://bugs.kde.org/show_bug.cgi?id=515305
Bug ID: 515305
Summary: Dolphin freezes for ~30–60 seconds when
copying/pasting or drag-and-dropping files. Terminal
cp works instantly.
Classification: Applications
Product: dolphin
Version First 25.04.3
Reported In:
Platform: Debian stable
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
STEPS TO REPRODUCE
Open Dolphin
Select any file
Copy it (Ctrl+C) or drag it
Paste it into another folder or another application
Dolphin becomes unresponsive for ~30–60 seconds
OBSERVED RESULT
Dolphin freezes and becomes unresponsive for about 30–60 seconds.
KDE sometimes suggests killing the application.
Often the file operation does not start after the freeze.
Terminal copy using cp works immediately for the same file and destination.
EXPECTED RESULT
File copy or drag-and-drop should start immediately without freezing Dolphin’s
UI.
ADDITIONAL INFORMATION
Happens on both Wayland and X11 (QT_QPA_PLATFORM=xcb dolphin)
Disabling previews does not help
Restarting or killing xdg-desktop-portal and xdg-document-portal does not fix
the issue
Terminal file copy works instantly
Logs show timeouts related to document portal and clipboard handling:
Document portal fuse mount point unknown: Timeout was reached
Failed to register file … Timeout was reached
QWaylandDataOffer: timeout reading from pipe
This appears to be a KIO/Dolphin blocking issue triggered by clipboard or
drag-and-drop file handling.
Dolphin: 25.04.3
KDE Frameworks: 6.13.0
Qt: Using 6.8.2 and built against 6.8.2
Debian GNU/Linux 13 (trixie) (Wayland)
Build ABI: x86_64-little_endian-lp64
Kernel: linux 6.19.0-061900rc5-generic
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