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meganz / MEGAsync

Easy automated syncing between your computers and your MEGA Cloud Drive
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Segmentation Fault (11) at Address 0 on Wayland #501

Open Bulmanator opened 3 years ago

Bulmanator commented 3 years ago

I am getting this error when running the megasync application. There are no configuration files and I am not logged in. I am running version 4.3.3 (b2948c7)

I am running on swaywm v1.5 on Arch Linux and the built in swaybar is handling the tray icon. My environment variables are setup such that QT_QPA_PLATFORM=wayland-egl and QT_QPA_PLATFORMTHEME=qt5ct. However, if I set QT_QPA_PLATFORM=xcb to run the app through xwayland instead the crash stops happening (libxcb is version 1.14-1). This is a viable work around for now, but native wayland support would be nice. Changing QT_SCREEN_SCALE_FACTORS=1 didn't help with the issue either.

The only print out I am getting from the app (even with the --verbose flag) is:

Setting QT_SCREEN_SCALE_FACTORS= "DP-1=1;DP-2=1;DVI-D-1=1"
Error unsetting QT_QPA_PLATFORMTHEME vble

Here is the stack trace:

MEGAprivate ERROR DUMP
Application: MEGAsync [64 bit]
Hash: 80984064825ba006e1bbeaa783dd1e09
Version code: 4303.5
Module name: megasync
Timestamp: 1603372699599
Operating system: Linux
System version:  arch rolling/#1 SMP PREEMPT Sat, 17 Oct 2020 13:30:37 +0000
System release:  5.9.1-arch1-1
System arch: x86_64
Error info:
Segmentation fault (11) at address 0
Stacktrace:
/usr/lib/libxcb.so.1(xcb_send_request_with_fds64+0x14) [0x7fc2a4e49144]
/usr/lib/libxcb.so.1(xcb_send_request_with_fds64+0x14) [0x7fc2a4e49144]
/usr/lib/libxcb.so.1(xcb_send_request+0xa) [0x7fc2a4e496ba]
/usr/lib/libxcb.so.1(xcb_intern_atom+0x85) [0x7fc2a4e4ff25]
megasync(+0x39e34a) [0x558eb2ef834a]
megasync(+0x39ea10) [0x558eb2ef8a10]
megasync(+0x39ecde) [0x558eb2ef8cde]
megasync(+0xdb9c6) [0x558eb2c359c6]
megasync(+0x3cd45e) [0x558eb2f2745e]
megasync(+0xb219f) [0x558eb2c0c19f]
/usr/lib/libc.so.6(__libc_start_main+0xf2) [0x7fc2a3420152]
megasync(+0xb3f8e) [0x558eb2c0df8e]
NastyaGrifon commented 3 years ago

Can confirm the crashes on launch using KDE Wayland. I've set MEGAsync desktop launcher to env QT_QPA_PLATFORM=xcb megasync

Works fine as a workaround, needs native wayland support tho

selfuryon commented 3 years ago

I have the same issue on arch linux with sway/waybar and env QT_QPA_PLATFORM=xcb megasync works for me too

FWDekker commented 3 years ago

For me this started happening after updating Linux kernel from 5.10 to 5.14 on Debian 12 (testing).

The above solution didn't work for me, but I was able to resolve the issue by downloading the latest version of Megasync and running apt reinstall ./megasync.deb. Note the reinstall rather than install.

jprupp commented 3 years ago

I'm getting this error since a recent update in Fedora 34.

Alex-Bujorianu commented 2 years ago

Can confirm, megasync is broken on the Gnome Wayland session when launched with QT_QPA_PLATFORM=wayland. Tested on Manjaro with Gnome 40.

Gandalf-the-Blue commented 1 year ago

Hi, I'm facing the same issue, could someone explain how to set the env QT_QPA_PLATFORM=xcb for mega? Not very proficient in Linux

I'm on Fedora 38, with Nvidia GPU and Wayland

NastyaGrifon commented 1 year ago

how to set the env QT_QPA_PLATFORM=xcb for mega?

You can manually edit desktop entries with text editor of your choice or use GUI tools like kmenu edit for KDE or AppEditor for GNOME. The key is adding env QT_QPA_PLATFORM=xcb before launch command