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Krita has encountered an internal error

thmichels
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Hello all contributors of Krita,
at first i want to say a big Thank You for this stunning peace of paintware ^-^
While i'm creating some brushes i stumbled over this internal error...
Fortunately i can give an exact description how to reconstruct this error.

First some data about my system:

Krita 4.1.0 appimage
OS is OpenSuse Leap 42.3
AMD Quad Core
Wacom Intuos 4 Tablet
Up to date Open GL Drivers

Description:
Open up Krita
Open a new or existing document
Choose a Brush (any Brush with Brush Tip option will do)
Open "Edit Brush Settings"
Click "Brush Tip" in the general section
Click (not drag) the "Size" slider. Size will change properly :)
Drag the "Size" slider... Dialog box with error message pop's up :o
Note: This error does not occur in Krita 4.0.4

Error message:
Code: Select all
Krita has encountered an internal error:

SAFE ASSERT (krita):
"m_d->lastKnownValue.isNull() || result == m_d->lastKnownValue"
in file /home/appimage/workspace/Krita_Release_Appimage_Build/krita/libs/flake/KoDerivedResourceConverter.cpp, line 70

Please report a bug to developers!

Press Ignore to try to continue.
Press Abort to see developers information (all unsaved data will be lost)


I hope i could be of any help. If you need more information please drop me
something here.

Greetings Thomas
User avatar scottpetrovic
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Which brush are you using. I tested it out on a Pixel brush engine and am not getting any asserts or issues. I am on a Windows machine now. That is a very common setting to change, so I am surprised that would be giving any type of error.

I am guessing it happens every time for you?
ahabgreybeard
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I tested this with 'Bristle Frottis' and 'Chalk Grainy' and get exactly the same error message when carrying out the actions described by thmichels.

I'm using Krita 4.1.0 appimage on Debian 9.

P.S. The 4.2.0 pre-alpha has this error but the 4.0.3 verison does not. It looks like Thomas will have the pleasure of making a bug report :)
thmichels
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Hello again,
@scottpetrovic
Yes, that'll happen every time i try to resize via drag any predefined brushtip in the brush editor.
Resizing any brush in the toolbar will function properly. If it will work in Windows, then it seems
it's an Linux issue?

@ahabgreybeard
Thanks for confirming this bug...

@all
Can someone help me to make a correct bug report, please?
I'm not certain how to do it right :)
Thanks, Thomas
ahabgreybeard
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The bugtracking website is here: https://bugs.kde.org/

You'll need to sign up and confirm via an email address then it's just a question of signing in each time. The hardest part is going through the list of KDE applications to find 'krita'. It's fairly self explanatory and I suggest that you read a few bug reports first to get the flavour of how they are generally written. There's a guide to wrinting bug reports too, so happy reading. The problem you found is very easy to describe and duplicate so it's a good first bug experience.

Please reply with a link to the bug report that you create. Good luck.
thmichels
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Thanks to all for the help :)

i reported the bug as suggested here:
https://bugs.kde.org/show_bug.cgi?id=396136

Greetings, Thomas

 
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