https://bugzilla.kernel.org/show_bug.cgi?id=214427

Bug ID: 214427 Summary: Amdgpu hangs kernel on boot trying init debugfs Product: Drivers Version: 2.5 Kernel Version: 5.14.4 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Video(DRI - non Intel) Assignee: drivers_video-dri@kernel-bugs.osdl.org Reporter: inferrna@gmail.com Regression: No

Created attachment 298831 --> https://bugzilla.kernel.org/attachment.cgi?id=298831&action=edit Screenshot

Early on kernel 5.10 and before it was just [drm] Initialized amdgpu 3.40.0 20150101 for 0000:05:00.0 on minor 0 [drm:amdgpu_debugfs_init] *ERROR* Failed to init debugfs [drm:amdgpu_pci_probe] *ERROR* Creating debugfs files failed (-1).

but now it became panic. Kernel patched with https://github.com/dolohow/uksm/blob/master/v5.x/uksm-5.14.patch - I'm using it since version 4 without problems.

Panic starts with

RIP: 0010:debugfs_create_file_size+0x2e/0x40

..and see more on the picture