https://bugs.kde.org/show_bug.cgi?id=452145
Bug ID: 452145
Summary: Changing the Colour Model often causes a crash
Product: krita
Version: nightly build (please specify the git hash!)
Platform: Debian stable
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: Color models
Assignee: krita-bugs-n...@kde.org
Reporter: ahab.greybe...@hotmail.co.uk
Target Milestone: ---
SUMMARY
This bug is not present in the Mar 29 5.1.0-prealpha and previous versions.
It was introduced in the Mar 30 5.1.0-prealpha (git b1e8749c17) and is reported
for the Mar 31 5.1.0-prealpha (git 625152f808) appimage on Debian 10.
Commit f5d73bbf0c5cac5c3746abdaab1242815d2ab719 seems to be related.
STEPS TO REPRODUCE
1. With a fresh session, create a new RGB/A image.
2. Create a new Grayscale/Alpha image
3. If no crash, create a new RGB/A image
4. If no crash, convert the RGB/A image to Greyscale/Alpha
5. If no crash, Close each image in turn.
OBSERVED RESULT
2. With a fresh session, a crash often happens
3. A crash sometimes happens
4. A crash sometimes happens
5. A crash sometimes happens
This has also been seen with other colour model changes.
It does not seem to be related to bit depth changes.
It doesn't happen every time so it's difficult to do detailed structured tests.
The terminal says "Segmentation fault".
EXPECTED RESULT
Not crash.
SOFTWARE/OS VERSIONS
Krita
Version: 5.1.0-prealpha (git 625152f)
Languages: en_GB, en, en, en_GB, en
Hidpi: false
Qt
Version (compiled): 5.12.12
Version (loaded): 5.12.12
OS Information
Build ABI: x86_64-little_endian-lp64
Build CPU: x86_64
CPU: x86_64
Kernel Type: linux
Kernel Version: 4.19.0-20-amd64
Pretty Productname: Debian GNU/Linux 10 (buster)
Product Type: debian
Product Version: 10
Desktop: MATE
OpenGL Info
Vendor: "NVIDIA Corporation"
Renderer: "GeForce GTX 750 Ti/PCIe/SSE2"
Version: "4.6.0 NVIDIA 460.73.01"
Shading language: "4.60 NVIDIA"
Requested format: QSurfaceFormat(version 2.0, options
QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize -1, redBufferSize -1,
greenBufferSize -1, blueBufferSize -1, alphaBufferSize -1, stencilBufferSize
-1, samples -1, swapBehavior QSurfaceFormat::DefaultSwapBehavior, swapInterval
1, colorSpace QSurfaceFormat::DefaultColorSpace, profile
QSurfaceFormat::NoProfile)
Current format: QSurfaceFormat(version 4.6, options
QFlags<QSurfaceFormat::FormatOption>(DeprecatedFunctions), depthBufferSize 24,
redBufferSize 8, greenBufferSize 8, blueBufferSize 8, alphaBufferSize 0,
stencilBufferSize 0, samples -1, swapBehavior
QSurfaceFormat::DefaultSwapBehavior, swapInterval 1, colorSpace
QSurfaceFormat::DefaultColorSpace, profile
QSurfaceFormat::CompatibilityProfile)
Version: 4.6
Supports deprecated functions true
is OpenGL ES: false
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