https://bugs.kde.org/show_bug.cgi?id=408991
Bug ID: 408991
Summary: Kdiff3 1.8.1 hangs on comparing two large directories
Product: kdiff3
Version: 1.8.x
Platform: Gentoo Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: application
Assignee: reeves...@gmail.com
Reporter: slavo...@gmail.com
Target Milestone: ---
SUMMARY
When comparing something very huge (in my case - two AOSP Android trees)
Kdiff3-1.8.1 hangs deadly and can only be killed.
STEPS TO REPRODUCE
1. Select some large directories with 500000+ files adn directories (AOSP tree
fits)
2. Exclude .repo directory from comparison.
3. Kdiff them with either KDE Menu or with direct kdiff3 dir1 dir2
4. Wait for some time
OBSERVED RESULT
Kdiff3 hangs deadly, progress stops, window doesn't react on user input.
EXPECTED RESULT
Correct behavior like on version 0.9.98.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
Gentoo Linux
KDE Plasma Version: 5.16.1
KDE Frameworks Version: 5.59.0
Qt Version: 5.12.3
ADDITIONAL INFORMATION
When Kdiff3 hangs, no error message is shown. No extra ordinary messages appear
in journalctl. Some time ago, on 1.8.0 and earlier I could see some error
message but it has never rendered, so I could see a small window with "Error"
title and transparent content area.
Typical journalctl looks like:
Jun 21 13:01:11 My-machine kdiff3[4698]: Icon theme "gnome" not found.
Jun 21 13:03:00 My-machine kwin_x11[2246]: qt.qpa.xcb: QXcbConnection: XCB
error: 3 (BadWindow), sequence: 12654, resource id: 26336622, major code: 3
(GetWindowAttributes), minor code: 0
Jun 21 13:03:00 My-machine kwin_x11[2246]: qt.qpa.xcb: QXcbConnection: XCB
error: 9 (BadDrawable), sequence: 12655, resource id: 26336622, major code: 14
(GetGeometry), minor code: 0
Jun 21 13:03:23 My-machine kwin_x11[2246]: qt.qpa.xcb: QXcbConnection: XCB
error: 3 (BadWindow), sequence: 14267, resource id: 26337975, major code: 3
(GetWindowAttributes), minor code: 0
Jun 21 13:03:23 My-machine kwin_x11[2246]: qt.qpa.xcb: QXcbConnection: XCB
error: 9 (BadDrawable), sequence: 14268, resource id: 26337975, major code: 14
(GetGeometry), minor code: 0
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