Nixpkgs: discord: Frequent segmentation faults in libappindicator

[goffrie]

Describe the bug
Discord crashes intermittently (maybe every 30 minutes) for me. This is especially noticeable when in a voice room, but I think it happens independently of that.

To Reproduce
Steps to reproduce the behavior:

1. Leave Discord running for a long period of time.
2. Observe that Discord segfaults.

Additional context
Stack trace in libappindicator-gtk3:

(gdb) bt
#0  0x00007f09f8fa015b in status_icon_changes () from /nix/store/s20y6yrgbrr1p5h70ydwim8z1q9niizk-libappindicator-gtk3-12.10.0/lib/libappindicator3.so
#1  0x00007f0a1ad94ec2 in g_closure_invoke () from /nix/store/mazsps24z01540n3g01m8yf52wm6avkd-glib-2.64.4/lib/libgobject-2.0.so.0
#2  0x00007f0a1ada7dc4 in signal_emit_unlocked_R () from /nix/store/mazsps24z01540n3g01m8yf52wm6avkd-glib-2.64.4/lib/libgobject-2.0.so.0
#3  0x00007f0a1adb2fef in g_signal_emit_valist () from /nix/store/mazsps24z01540n3g01m8yf52wm6avkd-glib-2.64.4/lib/libgobject-2.0.so.0
#4  0x00007f0a1adb397f in g_signal_emit () from /nix/store/mazsps24z01540n3g01m8yf52wm6avkd-glib-2.64.4/lib/libgobject-2.0.so.0
#5  0x00007f09f8f9f1d6 in app_indicator_set_icon_full () from /nix/store/s20y6yrgbrr1p5h70ydwim8z1q9niizk-libappindicator-gtk3-12.10.0/lib/libappindicator3.so

The rest of the stack has no symbols at all.

This has also been reported at https://www.reddit.com/r/linuxquestions/comments/fprclz/discord_segmentation_fault/ with the workaround being to remove libappindicator.

The crashes only started recently, presumably when #91375 landed.

Notify maintainers
@ldesgoui @MP2E @tadeokondrak @benley

Metadata

 - system: `"x86_64-linux"`
 - host os: `Linux 5.4.57, NixOS, 20.09pre237781.32b46dd897a (Nightingale)`
 - multi-user?: `yes`
 - sandbox: `yes`
 - version: `nix-env (Nix) 2.3.7`
 - channels(goffrie): `"home-manager, nixpkgs-20.09pre238508.729e7295cf7"`
 - channels(root): `"nixos-20.09pre237781.32b46dd897a"`
 - nixpkgs: `/home/goffrie/.nix-defexpr/channels/nixpkgs`

Maintainer information:

# a list of nixpkgs attributes affected by the problem
attribute:
# a list of nixos modules affected by the problem
module:

[JJJollyjim]

Other sources report that things are fixed by installing an up-to-date libappindicator from Launchpad (they haven't put out a release in 8 years, but development has continued somewhat). Arch is now packaging revision 296 from bzr. I'm testing the latest version here: https://github.com/JJJollyjim/nixpkgs/tree/libappindicator-unstable

[goffrie]

Nice, that worked for me (though I needed another patch to get things building).

[nixos-discourse]

This issue has been mentioned on NixOS Discourse. There might be relevant details there:

https://discourse.nixos.org/t/discord-0-0-11-package-sometimes-randomly-crashes/8725/7

[jonringer]

please try discord off of master to ensure this works:

NIX_PATH=nixpkgs=https://github.com/NixOS/nixpkgs/archive/master.tar.gz nix-shell -p discord --run Discord

[worldofpeace]

libappindicator is dead, we should use libayatana-appindicator which is maintained by debian

[jonringer]

@goffrie does it work with the above command I gave?

[goffrie]

Sorry, I (mostly) don't use my NixOS machine on weekdays, so I'll find out
tomorrow :)

On Fri., Aug. 28, 2020, 09:37 Jon, [e-mail] wrote:

@goffrie https://github.com/goffrie does it work with the above command
I gave?

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[jobojeha]

please try discord off of master to ensure this works:

NIX_PATH=nixpkgs=https://github.com/NixOS/nixpkgs/archive/master.tar.gz nix-shell -p discord --run Discord

I had this issue in Discord video conferences for the past two weeks with crashes every hour or so. The command @jonringer provided fixes it for me 🙏 Thanks a lot!

[goffrie]

Yup, this is working for me now too. Thanks everyone!