https://bugzilla.kernel.org/show_bug.cgi?id=199653
Bug ID: 199653
Summary: [AMDGPU][DC] BUG: unable to handle kernel NULL pointer
dereference (trace decoded)
Product: Drivers
Version: 2.5
Kernel Version: drm-next-4.18-wip (agd5f, AMDGPU)
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: Video(DRI - non Intel)
Assignee: [email protected]
Reporter: [email protected]
Regression: No
Created attachment 275827
--> https://bugzilla.kernel.org/attachment.cgi?id=275827&action=edit
Call trace of crash decoded with decode_stacktrace.sh
kernel: BUG: unable to handle kernel NULL pointer dereference at
00000000000002e4
This happens multiple times a day on my machine. It leads to a complete system
freeze. Yesterday I was lucky and got a stack trace.
It mostly happens browsing the web with Firefox (WebRender enabled, XWayland,
Gnome-Shell) when the cursor moves or rotates. But it can happen anywhere and
anytime.
The used kernel is from branch drm-next-4.18-wip@92fb374 of Alex Deucher, AMD
(agd5f). See: git://people.freedesktop.org/~agd5f/linux.
My machine:
* Hardware name: Acer Swift SF315-41/Becks_RR, BIOS V1.04 01/09/2018
* Ryzen Mobile 2500U
* Firmware: VCN: 1.73 (latest available version)
* My kernel is tainted because the i2c designware driver emits a warning
during
boot. This should be unrelated to AMDGPU
(see attachment i2c_designware_trace.txt).
Please ask if anything else is needed.
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