https://bugs.kde.org/show_bug.cgi?id=392251
ocumo <kxk-ocumoatbugs...@lugosys.com> changed:
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CC| |kxk-ocumoatbugskde@lugosys.
| |com
--- Comment #9 from ocumo <kxk-ocumoatbugs...@lugosys.com> ---
Created attachment 115313
--> https://bugs.kde.org/attachment.cgi?id=115313&action=edit
Hangup backtrace files - three cases
Attached three backtrace files corresponding to three procedures, two of which
caused hangup/crash, one that did not, as a control.
Steps to reproduce and references to the files:
Experiment 1
- 1A: (file: Exp1A_Krita_Hangup_Backtrace.txt)
1. Preparation: Run the following in the terminal:
xsetwacom -v --set 'Wacom Cintiq 27QHD touch Finger touch' gesture off
2. Run (with dbg) krita-4.1.3-x86_64.appimage (or krita-4.1.1-x86_64.appimage).
3. Open some krita document, example: teste.kra (created originally with krita
v3.3)
4. Draw a couple of color lines using the Stylus (this is optional, problems
happens regardless).
5. Touch the tablet touchscreen with a bare finger. At this exact moment, krita
crashes/hangs(?). The GUI becomes irresponsive and doesn't refresh any longer.
Collect the backtrace (needs to do <Ctrl><C> to get the gdb prompt) and close
gdb to kill the hanged krita.
- 1B: (file: Exp1B_Krita_NOHangup_Backtrace.txt)
6. Open (with dbg) krita v4.1.2 (installed from kritalime ppa) in
/usr/bin/krit. NOPROBLEM
7. Open a different krita document created with krita 4.1.1 from kritalime,
which has reference images embedded in it.
8. Touchscreen works normally, as this is not an appimage. Draw for a while.
9. Add a reference image to the existing ones.
10. Draw for a while.
11. Save the file: <Ctrl><S> => No problem. [ here it would have given the
Error.]
12. Collect the backtrace "Exp1b" and quit krita
Experiment 2
(file: Exp2_Krita_Hangup_Backtrace.txt)
1. If preparation of Experiment 1, step 1 was done, no action needed here.
Else, do that.
2. Run krita (dbg) krita-4.1.3-x86_64.appimage (or
krita-4.1.1-x86_64.appimage).
3. Open some krita document, example: teste.kra (created originally with krita
v3.3)
4. Draw a couple of color lines using the Stylus (this is optional, problems
happens regardless).
5. Touch the tablet touchscreen with a bare finger. It did not crash/hang and
zoom gesture was recognized. Draw and do touch gestures, all seem OK. Close the
document, but let Krita open.
--> Problem will happen now:
6. Open another document. (in our case a trivial krita document (with only few
lines) created with krita v4.0.4).
7. Repeat steps 4 and 5. Krita crashes/hangs as soon as touchscreen is touched
with bare finger.
Collect the backtrace (needs to do <Ctrl><C> to get the gdb prompt) and close
gdb to kill the hanged krita.
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