Old behavior (crash at Ctrl-arrow movement in row)

[jaslar]

[jaslar]

I downloaded the development branch today, and saw cool stuff there (split row, Focus). But when I cloned it, it crashed in ways I thought you'd fixed (crashed when I used mostly ctrl-arrow to navigate within a row). Then I saw that the Master branch was several commits ahead, so downloaded that, too. But it too has the old behavior. Did the bug creep back in?

[phase1geo]

I haven't made any changes to that area of code. I'm unable to reproduce the problem on my end. Is there any chance that you could record a short screencast of the issue and make sure that the terminal output is displayed after the application crashes?

[jaslar]

I downloaded a screen cast program to try to capture it. In a row, I can move forward and back by character, to the beginning and end of the row. But the instant I try the Ctrl-arrow (left or right), the program just closes, and the screen cast with it. It wouldn't show you anything but the screen winking out. Where/how can I find the terminal output?

[jaslar]

Where do I find the log file for errors?

[phase1geo]

If you start Outliner from the terminal:

• Open the Terminal application
• Enter: com.github.phase1geo.outliner

After the application crashes, the Terminal application should have some sort of output displayed within it. This was the error information I was referring to.

I'm assuming that in the video, after you jumped to the end of the line, you attempted to do a Control-Left to move backwards by a word?

[phase1geo]

I'm attempting to try exactly what you are doing in the video and I am unable to get the application to crash. I can seemingly move the cursor around using all sorts of keyboard shortcuts (including Control-left/right) without any issues. Ugh.

[jaslar]

Yes, that's right. I jumped to the end of the line, then did a Control-Left. I did the terminal launch (cool trick!), and got this:

$ com.github.phase1geo.outliner
Segmentation fault

Not much to go on. I wonder if I somehow set up a configuration file with all my attempts to install the latest version. I admit that I'm new to git.

Does this provide any clues?

1. It used to work really well, no problems with these very important Ctrl-left/right keys. I had built it from the development branch.
2. I deleted the Outliner folder created by the git command (sudo git clone https://github.com/phase1geo/Outliner.gitcom.github.phase1geo.outliner & ./app install (maybe sudo ./app install), I don't remember). Then I had the old problem.
3. I deleted that folder again, switched to the master branch, repeated the git commands. Same problem.
4. I deleted the Outliner folder again, went to AppCenter to remove and reinstall. No change.

Usually, when something goes wrong, it's me!

Sorry for the hassle. But I have grown to quite like this program, and miss it!

[phase1geo]

Let's try this instead. When you are in the terminal, do the following:

• git clone https://github.com/phase1geo/Outliner.git
• cd Outliner
• ./app debug

This is going to compile and start the application within the debug environment. You will see a 'gdb' prompt, type 'run' to run the application. Use the application to cause the crash. When the crash occurs, go back to the Terminal and enter the command 'where'. The resulting output is going to be a stack trace of the failure. Add that output to this bug report. This should hopefully provide me the information that I need to get down to the bottom of what is going on.

Let me know if you have any issues with the above instructions.

[phase1geo]

BTW, if the application crashes on startup, you will still be able to type 'where' to get a stack trace of that problem (it may differ from the Control-left/right crash), but if you include that stack trace output, I'll let you know what to do to move past that problem.

[jaslar]

Here's the output: $ ./app debug The Meson build system Version: 0.49.2 Source dir: /home/jlarue/Outliner Build dir: /home/jlarue/Outliner/build Build type: native build Project name: com.github.phase1geo.outliner Project version: 1.4.0 Native C compiler: cc (gcc 7.5.0 "cc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0") Native Vala compiler: valac (valac 0.40.24) Build machine cpu family: x86_64 Build machine cpu: x86_64 Found pkg-config: /usr/bin/pkg-config (0.29.1) Configuring config.h using configuration Dependency gtk+-3.0 found: YES 3.22.30 Library m found: YES Library markdown found: YES Dependency gobject-2.0 found: YES 2.56.4 Dependency glib-2.0 found: YES 2.56.4 Dependency cairo found: YES 1.15.10 Dependency gee-0.8 found: YES 0.20.2 Dependency granite found: YES 5.5.0 Dependency gtk+-3.0 found: YES (cached) Dependency libxml-2.0 found: YES 2.9.4 Dependency webkit2gtk-4.0 found: YES 2.28.4 Program meson/post_install.py found: YES (/home/jlarue/Outliner/meson/post_install.py) Build targets in project: 11 Found ninja-1.8.2 at /usr/bin/ninja [1/75] Generating outliner-resources_h with a custom command. XMLLINT not set and xmllint not found in path; skipping xml preprocessing. [2/75] Generating outliner-resources_c with a custom command. XMLLINT not set and xmllint not found in path; skipping xml preprocessing. [6/75] Compiling Vala source ../src/exports/ExportH...Utils.vala ../tests/assert.vala ../tests/test.vala. ../src/TextParser.vala:49.72-49.75: warning: copying delegates is not supported ../src/TextParser.vala:28.5-28.26: warning: copying delegates is not supported Compilation succeeded - 2 warning(s) [75/75] Linking target com.github.phase1geo.outliner. ./app: line 81: gdb: command not found jlarue@elemac:~/Outliner$

…

On Tue, Oct 27, 2020 at 10:40 PM Trevor Williams ***@***.***> wrote: BTW, if the application crashes on startup, you will still be able to type 'where' to get a stack trace of that problem (it may differ from the Control-left/right crash), but if you include that stack trace output, I'll let you know what to do to move past that problem. — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#59 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AMDL7NF67JXGB3NFRTXB26DSM6OFJANCNFSM4S6Q577Q> .

-- James LaRue Mobile: 720-530-4294 Website and Blog: jlarue.com Twitter: @jaslar

[phase1geo]

Looks like you don’t have the gdb debugger installed on your system. I think ‘sudo apt install gdb’ will do this for you, but I’m not completely sure. Once you get gdb installed, try the app debug steps again.

[jaslar]

I was able to install gdb. Results:

$ ./app debug
The Meson build system
Version: 0.49.2
Source dir: /home/jlarue/Outliner
Build dir: /home/jlarue/Outliner/build
Build type: native build
Project name: com.github.phase1geo.outliner
Project version: 1.4.0
Native C compiler: cc (gcc 7.5.0 "cc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0")
Native Vala compiler: valac (valac 0.40.24)
Build machine cpu family: x86_64
Build machine cpu: x86_64
Found pkg-config: /usr/bin/pkg-config (0.29.1)
Configuring config.h using configuration
Dependency gtk+-3.0 found: YES 3.22.30
Library m found: YES
Library markdown found: YES
Dependency gobject-2.0 found: YES 2.56.4
Dependency glib-2.0 found: YES 2.56.4
Dependency cairo found: YES 1.15.10
Dependency gee-0.8 found: YES 0.20.2
Dependency granite found: YES 5.5.0
Dependency gtk+-3.0 found: YES (cached)
Dependency libxml-2.0 found: YES 2.9.4
Dependency webkit2gtk-4.0 found: YES 2.28.4
Program meson/post_install.py found: YES (/home/jlarue/Outliner/meson/post_install.py)
Build targets in project: 11
Found ninja-1.8.2 at /usr/bin/ninja
[1/75] Generating outliner-resources_h with a custom command.
XMLLINT not set and xmllint not found in path; skipping xml preprocessing.
[2/75] Generating outliner-resources_c with a custom command.
XMLLINT not set and xmllint not found in path; skipping xml preprocessing.
[6/75] Compiling Vala source ../src/exports/ExportH...Utils.vala ../tests/assert.vala ../tests/test.vala.
../src/TextParser.vala:49.72-49.75: warning: copying delegates is not supported
../src/TextParser.vala:28.5-28.26: warning: copying delegates is not supported
Compilation succeeded - 2 warning(s)
[75/75] Linking target com.github.phase1geo.outliner.
GNU gdb (Ubuntu 8.1-0ubuntu3.2) 8.1.0.20180409-git
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Type "apropos word" to search for commands related to "word"...
Reading symbols from ./com.github.phase1geo.outliner...done.

[phase1geo]

After that last line of output do you get a gdb prompt? If so, type ‘run’ to start running the application.