https://bugs.kde.org/show_bug.cgi?id=521727
Bug ID: 521727
Summary: kwin 6.7.0 regression: NVIDIA Xid 31 MMU fault freeze
on hybrid AMD+NVIDIA laptops on Wayland
Classification: Plasma
Product: kwin
Version First 6.7.0
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: platform-drm
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
DESCRIPTION
On boot up with an external monitor connected, the external monitor freezes
just after login. A couple of seconds later the laptop panel also freezes, and
there is no response from keyboard.
The only way out here is to hold down the power button until the laptop
switches off.
My current workaround is to switch to AsusMuxDgpu mode.
STEPS TO REPRODUCE
1. Power on laptop.
2. Log in
OBSERVED RESULT
Hard system crash.
EXPECTED RESULT
Normal system login.
SOFTWARE/OS VERSIONS
/\ evert@Evert
/ \ -----------
/ \ OS: Arch Linux x86_64
/ \ Host: ROG Strix G733PYV_G733PYV (1.0)
/ ,, \ Kernel: Linux 7.0.12-1-cachyos
/ | | \ Uptime: 28 mins
/_-'' ''-_\ Packages: 7 (flatpak), 2174 (pacman)
Shell: bash 5.3.9
Display (BenQ EX3210U): 3840x2160 @ 1.25x in 32", 120 Hz
[External] *
Display (NE173QHM-NZ2): 2560x1440 @ 1.33x in 17", 240 Hz
[Built-in]
DE: KDE Plasma 6.7.0
WM: KWin (Wayland)
WM Theme: Breeze
Theme: Breeze (Light) [Qt], Breeze [GTK2/3/4]
Icons: breeze [Qt], breeze [GTK2/3/4]
Font: Noto Sans (10pt) [Qt], Noto Sans (10pt) [GTK2/3/4]
Cursor: breeze (48px)
Terminal: konsole 26.4.2
Terminal Font: Hack (12pt)
CPU: AMD Ryzen 9 7945HX3D (32) @ 5.46 GHz
GPU 1: AMD Radeon 610M [Integrated]
GPU 2: NVIDIA GeForce RTX 4090 Laptop GPU [Discrete]
Memory: 7.33 GiB / 62.00 GiB (12%)
Swap: 0 B / 50.00 GiB (0%)
Disk (/): 112.30 GiB / 200.00 GiB (56%) - btrfs
Disk (/home): 2.63 TiB / 3.40 TiB (77%) - btrfs
Disk (/home/evert/Videos): 2.80 TiB / 3.39 TiB (83%) - btrfs
Local IP (wlp4s0): 192.168.88.132/24
Battery (GA50358): 77% [AC Connected]
Locale: en_GB.UTF-8
ADDITIONAL INFORMATION
Journal excerpt (boot -3):
```
NVRM: Xid (PCI:0000:01:00): 31, pid=1785, name=kwin_wayland, channel
0x00000004
MMU Fault: ENGINE GRAPHICS GPC3 GPCCLIENT_PROP_0 faulted @ 0x0_06860000
Fault is of type FAULT_PTE ACCESS_TYPE_VIRT_READ
```
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