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Telegram segfaulting

Hi,

I've not been able to use Telegram desktop for the past week due to segfault. Usually it's just because QT update or what ever so I just wait for the next update. It has updated now but still segfaulting. Any ideas?

Re: Telegram segfaulting

Reply #1 –
You might check upstream for issues.

As an alternative there is ayugram-desktop in the omniverse repo.

artist

Re: Telegram segfaulting

Reply #2 –
Thanks for suggesting ayugram-desktop. I'll definitely try that, but it's also crashing with same segmentation fault...

Re: Telegram segfaulting

Reply #3 –
Are you perhaps using fcitx5 as input method?

EDIT: more details on why I'm asking this.
Recently, after the Qt 6.10 update, I've also started noticing some programs crashing. This issue here addressed the problem to the use of fcitx5, but it has now been fixed by Telegram (check if you are on the latest version). However I'm still having segmentation fault on other programs related to Qt, such as Featherpad. I don't know if this is related or not to your issue. If it is not, I'll open my own thread to discuss this problem.

Re: Telegram segfaulting

Reply #4 –
Quote from: renguangxi – on
Are you perhaps using fcitx5 as input method?

EDIT: more details on why I'm asking this.
Recently, after the Qt 6.10 update, I've also started noticing some programs crashing. This issue here addressed the problem to the use of fcitx5, but it has now been fixed by Telegram (check if you are on the latest version). However I'm still having segmentation fault on other programs related to Qt, such as Featherpad. I don't know if this is related or not to your issue. If it is not, I'll open my own thread to discuss this problem.

I am not using fcitx5. I also tried unsetting QT_IM_MODULE, but no joy.

Here, Telegram does not start at all.

Re: Telegram segfaulting

Reply #5 –
does qt6ct give you segfault?

Re: Telegram segfaulting - EDIT: all QT6 applications

Reply #6 –
Quote from: LemonPie – on
does qt6ct give you segfault?
Yep, also qbittorrent. So I guess a bunch of qt apps..

LOG:
Code: [Select]
Telegram[18031]: segfault at 7ffc302cfff8 ip 00007f3d833d4fb5 sp 00007ffc302cfff0 error 6 in libQt6Core.so.6.10.0[1d4fb5,7f3d83291000+3df000] likely on CPU 3 (core 3, socket 0)

qbittorrent[25851]: segfault at 7ffffe4c6ff8 ip 00007fbdf4dd5070 sp 00007ffffe4c7000 error 6 in libQt6Core.so.6.10.0[1d5070,7fbdf4c91000+3df000] likely on CPU 5 (core 5, socket 0)

Re: Telegram segfaulting

Reply #7 –
I have the same problem. and it's not universal. There's something in my setup that causes qt6ct to segfault under x11 (still works unders wayland).

I haven't found the source of problem.

Re: Telegram segfaulting

Reply #8 –
Quote from: LemonPie – on
I have the same problem. and it's not universal. There's something in my setup that causes qt6ct to segfault under x11 (still works unders wayland).

I haven't found the source of problem.
Are you using xlibre?

Re: Telegram segfaulting

Reply #9 –
right now yes. but I also tried it with xorg-x11.

Re: Telegram segfaulting

Reply #10 –
I have the following env var:
Code: [Select]
QT_QPA_PLATFORMTHEME=qt6ct
unsetting it fixes the issue, but of course now all qt apps look like trash.

Re: Telegram segfaulting

Reply #11 –
Setting "Style" in qt6ct to "qt6gtk2" causes the issue for me. When I set it to "fusion" the issue goes away.
 

Re: Telegram segfaulting

Reply #12 –
I can confirm the same issue as well with other programs that use QT (e.g., RetroArch). Switching from the package supplied by galaxy to aur for qt6gtk2 fixed it for me.