https://bugs.kde.org/show_bug.cgi?id=516575
Bug ID: 516575
Summary: Dolphin crashing when accessing an MTP device with a
large number of files during preview generation
Classification: Applications
Product: dolphin
Version First 25.12.2
Reported In:
Platform: Neon
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
Created attachment 189990
--> https://bugs.kde.org/attachment.cgi?id=189990&action=edit
backtrace of the crash
When accessing an MTP (Media Transfer Protocol) device such as a phone (Google
Pixel 5) in my case under KDE Neon, Dolphin will crash whenever there is a
folder with a large amount of files such as pictures or videos that it needs to
create file previews for.
STEPS TO REPRODUCE
1. Open MTP device in Dolphin
2. Open a folder on said device with a few thousand image/video files
3. After some time it will crash
OBSERVED RESULT
A crash with the following message in the terminal:
ASSERT: “(!QFileInfo(m_tempName).isDir() && QFileInfo(m_tempName).isFile()) ||
QFileInfo(m_tempName).isSymLink()” in file
/workspace/build/src/gui/filepreviewjob.cpp, line 69
KCrash: Application ‘dolphin’ crashing… crashRecursionCounter = 2
fish: Job 1, ‘dolphin’ terminated by signal SIGABRT (Abort)
EXPECTED RESULT
Being able to browse the files normally.
SOFTWARE/OS VERSIONS
Operating System: KDE neon User Edition
KDE Plasma Version: 6.6.0
KDE Frameworks Version: 6.23.0
Qt Version: 6.10.2
Kernel Version: 6.17.0-14-generic (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 PRO 5850U with Radeon Graphics
Memory: 32 GiB of RAM (29.2 GiB usable)
Graphics Processor: AMD Radeon Graphics
ADDITIONAL INFORMATION
A workaround to prevent it from crashing is going to Dolphin Settings, Preview
and disabling previews completely (all file types, or the ones you will find on
the device only).
Backtrace attached below.
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