bugGNU Octave - Bugs: bug #55630, macOS GUI freezes on launch

 
 

bug #55630: macOS GUI freezes on launch

Submitter:  Andrew Janke <apjanke>
Submitted:  Sat 02 Feb 2019 09:22:44 AM UTC
   
 
Category:  GUI Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Segfault, Bus Error, etc.
Status:  Confirmed Assigned to:  None
Originator Name:  Open/Closed:  * Closed
Release:  * 5.1.0 Operating System:  * Mac OS
Fixed Release:  None Planned Release:  None
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Thu 08 Oct 2020 03:00:07 PM UTC, comment #13: 

I think I'm going to close it now since it was reported against version 5.1.

If the 6.1 release has a freeze problem frequently then I think it will be reported quickly and it would be better to have a new bug report to handle this.  Most people don't search for an existing bug report before filing a new one so if there is a report near the top of the list we have a better chance at not getting new duplicate reports.

Rik <rik5>
Group administrator
Thu 08 Oct 2020 02:51:44 PM UTC, comment #12: 

The Octave 6 does seem to fix this, but we haven't tested it extensively. Maybe close this once Octave 6 gets released?

Andrew Janke <apjanke>
Thu 08 Oct 2020 04:23:15 AM UTC, comment #11: 

Is this bug valid anymore?  Last comment was from a year ago against the 5.1 version of Octave.

Rik <rik5>
Group administrator
Mon 21 Oct 2019 06:54:25 PM UTC, comment #10: 

I'd say re-open this bug, since it seems to be a problem common to the whole 5.x series/

Understood about most of the Octave core developers running Linux. My hope is to become familiar enough with the code base and Qt on Mac that I can eventually contribute to help fix this myself. In the mean time, Octave.app is looking at releasing a CLI-only version of 5.1.x, and continuing to make 4.4.1 available for Mac users who want to use a GUI.

Andrew Janke <apjanke>
Mon 21 Oct 2019 03:02:01 PM UTC, comment #9: 

@Andrew: Should this bug be re-opened, or a new one filed?  Given that this refers to a fairly old pre-release version of Octave (5.0.90) I would suggest opening a new report.

Unfortunately, most of the core developers are running Linux and it has been very difficult to pin down what is going on in this case.  For stability, it might be better not to run a native Mac app, but run a virtual machine with a Linux guest OS and install Octave there.

Rik <rik5>
Group administrator
Sun 20 Oct 2019 06:26:37 AM UTC, comment #8: 

FWIW, Octave.app is getting a couple additional reports of this from users on 5.1.

https://github.com/octave-app/octave-app/issues/24


Andrew Janke <apjanke>
Sun 20 Oct 2019 06:10:24 AM UTC, comment #7: 

I'm on 5.1.0 MacOS High Sierra. It's a bit of a nightmare.
Sometimes I"m getting a good half-hour with it before a hang or crash.

Right now, I'm getting mere seconds before I get the beach ball of sleep.

Yes, I've been deleting the qt-settings file. No difference.

I"m using the app/dmg version.

Going to try the port version...


Mark <edwar64896>
Sun 17 Feb 2019 10:41:54 PM UTC, comment #6: 

I'm going to close this bug.  There is a solution--removing the qt-settings file--and this is likely to only affect developers swapping between multiple versions.

If this turns out to be incorrect and there are widespread occurrences among average users of the 5.1 release then we can re-open it.

Rik <rik5>
Group administrator
Wed 06 Feb 2019 10:40:55 PM UTC, comment #5: 

Yes; removing the qt-settings file fixed it.

Andrew Janke <apjanke>
Tue 05 Feb 2019 09:53:00 PM UTC, comment #4: 

And was it sufficient to remove the qt-settings file for fixing the hang?

Torsten Lilge <ttl>
Group Member
Tue 05 Feb 2019 12:39:40 PM UTC, comment #3: 

I was able to reproduce a hang. I was using Octave 4.4.1 earlier today, and then later I fired up the stable RC 5.0.91, and it hung on startup.

Here's my ~/.config/octave files: file #46181:  octave-config-with-GUI-hang-on-5.0.91.tar.gz

I'll also try removing my Dropbox directory from the path. Though I wouldn't expect a Dropbox directory to cause NFS-like timeouts: as I understand it, a Dropbox directory is not a network-mounted directory. It's a regular local directory whose files are updated locally by a background process; all file access to it by normal programs operates as normal local filesystem access.

Andrew Janke <apjanke>
Sun 03 Feb 2019 03:20:36 PM UTC, comment #2: 

It does sound possible that you are moving between multiple versions of Octave installed on the same computer and that the qt-settings file from one version is not always compatible with another.

The other thing I might try is removing the Dropbox-synced directory in your octaverc.  There have been reports, particularly on Windows, where NFS-mounted shared result in what appear to be hangs of Octave, when it was in fact very long network timeouts on mounted directories.

Try both ideas.  Since it isn't completely certain what is happening I'm marking this bug as WON'T FIX on the Bug Fix List (https://wiki.octave.org/Bug_Fix_List_-_5.0_Release#Bugs_marked_as_Crash)

Rik <rik5>
Group administrator
Sat 02 Feb 2019 02:18:58 PM UTC, comment #1: 

Andrew, could you please just remove the preferences file in .config/octave/qt-settings next time the issue occurs and post it here (maybe with anonymized paths)?

Torsten Lilge <ttl>
Group Member
Sat 02 Feb 2019 09:22:44 AM UTC, original submission:  

Hey, Octave folks,

Sorry if I'm being whiny here, but I'm having an issue with Octave stable (5.0.90) on macOS. It frequently hangs on launch. About half the time when I launch octave-stable, it'll hang on launch – the GUI will come up, but it will beachball before I can enter any input at the command line.

I'm fiddling with a lot of code right now, so it's hard to narrow down a repro case.

It seems like once Octave gets in a state where it hangs on launch, all subsequent launches will also hang, until I blow away all my Octave settings files.

I'm attaching some crash logs (produced when I Force Quite the hung Octave app), along with my .octaverc and Octave Qt prefs/state.

I don't think my ~/.octaverc is causing it. I moved it away to ~/.octaverc-OFF, and tried `octave-stable --gui` in both states. Sometimes it hung with .octaverc present; sometimes it didn't. And with ~/.octaverc absent, sometimes it hung, and sometimes it didn't. But you never know, so I'm attaching it anyway, as "octaverc".

Andrew Janke <apjanke>

 

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Attach Files:
   
   
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Attached Files
file #46163:  octaverc added by apjanke (516B - application/octet-stream)
file #46164:  config-octave.tgz added by apjanke (57KiB - application/gzip)

 

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    Follow 11 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2020-10-24 cdf Dependencies- bugs #59329 is dependent
    2020-10-08 rik5 Open/ClosedOpen Closed
    2019-10-21 mtmiller StatusWont Fix Confirmed
        Open/ClosedClosed Open
        Release5.0.90 5.1.0
    2019-02-17 rik5 StatusNone Wont Fix
        Open/ClosedOpen Closed
    2019-02-05 apjanke Attached File- Added octave-config-with-GUI-hang-on-5.0.91.tar.gz, #46181
    2019-02-02 apjanke Attached File- Added octave-gui-macos-crash-logs-stable-2019_02_01.zip, #46162
        Attached File- Added octaverc, #46163
        Attached File- Added config-octave.tgz, #46164

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