https://bugs.kde.org/show_bug.cgi?id=456404
Bug ID: 456404
Summary: Autosave interuption while painting
Product: krita
Version: nightly build (please specify the git hash!)
Platform: Appimage
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: General
Assignee: krita-bugs-n...@kde.org
Reporter: i...@davidrevoy.com
Target Milestone: ---
Created attachment 150445
--> https://bugs.kde.org/attachment.cgi?id=150445&action=edit
^ video of the interuption while painting (13s, 2,9MB, Mp4)
Hi,
Autosave interupts user while painting. It's a new behavior I observed since
first Krita 5.1beta1 but that continues in newer nightlies. It is not present
in 5.0.x and spoils the fluidity of painting in Krita. So, it's , in my
opinion, an important regression.
How to reproduce:
===============
You can probably reproduce it with a large document and a big layer stack, an
autosave down to 2min interval, and continuously painting. I added a video
(13s) that shows for my situation a 3600x5083px srgb8bit document with a layer
stack containing a file layer, vector layer, paint layers and groups. It's a
page of my comic (censored to remove spoilers) and I'm used to the behavior of
Krita with this size, this amount of layer with Krita on this computer.
Result and Timeline:
=================
The freezing and error message is visible in the attached video, 13seconds in
total where the bug happens between 8s to 11s:
- 08s : Autosaving is annonced on the bottom bar while I'm still finishing a
paint stroke
- 09s : My brush outline get frozen on a position (over the white frame of the
comic) while my cursor start to paint somewhere else (the forehead of Pepper) :
it doesn't paint because the outline is still frozen over the white frame.
-09s : the bottom bar switch to the Autosave progress bar with the text
"Opening Document 0%" and the terminal immediately prints: "SAFE ASSERT
(krita): "clonedDocument->image()->isIdle()" in file
/home/appimage/workspace/Krita_Stable_Appimage_Build/krita/libs/ui/KisDocument.cpp,
line 1269"
-10s to 11s : My outline catch-up my cursor position, 1second lag or movement
frozen in total; the bottom bar now prints "Autosave .... 20%" to "Autosave
100%" to finally announce on the full bottom bar: "Finished autosaving
.E37P08.kra-autosave.kra" ; I can paint smoothly during this part of the
process.
This afternoon, I collected more than 40 times this freeze and exact same line
on my terminal, It happens frequently.
Expected:
========
Having autosave happening in background and not freezing painting.
Version and Hardware notes:
========================
Krita Version: 5.1.0-beta2 (git 3672c20)
Qt version compiled: 5.12.12, loaded: 5.12.12.
Fedora 36 KDE. Mesa
GPU: AMD ATI Radeon RX 5500/5500M / Pro 5500M
CPU: AMD Ryzen 7 3700X (16) @ 3.600GHz
VM: Kwin/X11
DE: KDE Plasma 5.24.5
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