Hi everyone, since yesterday's update, my Xorg crashes with a segmentation fault as soon as I start an electron application and have a second monitor activated. This is reproducible, a minimum working example looks like this: $ rocketchat-desktop $ xrandr --output DP-1-1 --auto --above eDP-1 --rotate normal $ rocketchat-desktop --disable-gpu $ rocketchat-desktop Starting rocketchat-desktop before activating the external screen works without error, as does starting rocketchat-desktop without GPU acceleration after activating the external screen. However, as soon as I start rocketchat-desktop normally (e.g. with GPU acceleration) Xorg immediately crashes, tty1 appears for a moment, and then my lightdm-gtk-greeter returns, allowing me to log in again. The same thing happens for example with signal-desktop or element-desktop. An example Xorg.log ends like this: [ 16805.080] (II) modeset(0): Allocate new frame buffer 1920x2160 stride [ 16805.230] (II) NVIDIA(G0): Setting mode "DP-1-1: nvidia-auto-select @1920x1080 +0+0 {AllowGSYNC=Off, ViewPortIn=1920x1080, ViewPortOut=1920x1080+0+0}" [ 16808.392] (EE) [ 16808.392] (EE) Backtrace: [ 16808.392] (EE) 0: /usr/lib/Xorg (xorg_backtrace+0x5b) [0x55c4bab6457b] [ 16808.392] (EE) 1: /usr/lib/Xorg (0x55c4baa1e000+0x1511d5) [0x55c4bab6f1d5] [ 16808.392] (EE) 2: /usr/lib/libc.so.6 (0x7f8962b82000+0x3cda0) [0x7f8962bbeda0] [ 16808.392] (EE) 3: /usr/lib/Xorg (0x55c4baa1e000+0xd81f2) [0x55c4baaf61f2] [ 16808.392] (EE) 4: /usr/lib/Xorg (0x55c4baa1e000+0xd9d1c) [0x55c4baaf7d1c] [ 16808.392] (EE) 5: /usr/lib/Xorg (0x55c4baa1e000+0xd8dc6) [0x55c4baaf6dc6] [ 16808.392] (EE) 6: /usr/lib/Xorg (0x55c4baa1e000+0x398ac) [0x55c4baa578ac] [ 16808.392] (EE) 7: /usr/lib/libc.so.6 (__libc_start_main+0xd5) [0x7f8962ba9b25] [ 16808.392] (EE) 8: /usr/lib/Xorg (_start+0x2e) [0x55c4baa57cee] [ 16808.392] (EE) [ 16808.392] (EE) Segmentation fault at address 0x68 [ 16808.393] (EE) Fatal server error: [ 16808.393] (EE) Caught signal 11 (Segmentation fault). Server aborting [ 16808.393] (EE) [ 16808.393] (EE) Please consult the The X.Org Foundation support at http://wiki.x.org for help. [ 16808.393] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information. [ 16808.393] (EE) [ 16808.393] (II) AIGLX: Suspending AIGLX clients for VT switch [ 16808.450] (EE) Server terminated with error (1). Closing log file. Hardware is a Lenovo ThinkPad P53 notebook with dual graphics: $ lspci|grep -i vga 00:02.0 VGA compatible controller: Intel Corporation CoffeeLake-H GT2 [UHD Graphics 630] 01:00.0 VGA compatible controller: NVIDIA Corporation TU117GLM [Quadro T1000 Mobile] (rev a1) Kernel is the latest Linux: $ uname -a Linux 5.12.15-arch1-1 #1 SMP PREEMPT Wed, 07 Jul 2021 23:35:29 +0000 x86_64 GNU/Linux And I'm using the NVIDIA driver: $ pacman -Qe|grep nvidia nvidia 465.31-14 nvidia-lts 1:465.31-12 nvidia-prime 1.0-4 nvidia-settings 465.31-1 I also downgraded to the earliest kernel and nvidia versions I had available from late May: [2021-07-12T18:25:56+0200] [ALPM] downgraded linux-lts (5.10.42-1 -> 5.10.39-1) [2021-07-12T18:25:59+0200] [ALPM] downgraded linux-lts-headers (5.10.42-1 -> 5.10.39-1) [2021-07-12T18:26:00+0200] [ALPM] downgraded linux (5.12.9.arch1-1 -> 5.12.6.arch1-1) [2021-07-12T18:26:02+0200] [ALPM] downgraded linux-headers (5.12.9.arch1-1 -> 5.12.6.arch1-1) [2021-07-12T18:26:03+0200] [ALPM] downgraded linux-hardened (5.12.14.hardened1-1 -> 5.11.22.hardened1-1) [2021-07-12T18:26:06+0200] [ALPM] downgraded linux-hardened-headers (5.12.14.hardened1-1 -> 5.11.22.hardened1-1) [2021-07-12T18:26:06+0200] [ALPM] downgraded nvidia-lts (1:465.31-7 -> 1:465.31-3) [2021-07-12T18:26:06+0200] [ALPM] downgraded nvidia (465.31-7 -> 465.31-4) However, the issue still persits. Any ideas on how to further diagnose this issue? I can provide more information, if needed. I'll try switching Also, is anyone having a similar issue? Kind regards, Lukas