kern/58032: machine with amdgpu panics on starting X

[reinoud%13thmonkey.org@localhost]

>Number:         58032
>Category:       kern
>Synopsis:       machine with amdgpu panics on starting X
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Mar 12 17:15:00 +0000 2024
>Originator:     Reinoud Zandijk
>Release:        NetBSD 10.99.10 / NetBSD_RC*
>Organization:
	
>Environment:
	
	
System: NetBSD gorilla.13thmonkey.org 10.99.10 NetBSD 10.99.10 (GENERIC) #6: Tue Mar 12 17:57:31 CET 2024 root%gorilla.13thmonkey.org@localhost:/usr/sources/cvs.netbsd.org/src-sfs/obj/sys/arch/amd64/compile/GENERIC amd64
Architecture: x86_64
Machine: amd64
>Description:
On starting X the kernel panics with the following trace:
vpanic() at netbsd:vpanic+0x183
panic() at netbsd:panic+0x3c
linux_ww_mutex_unlock() at netbsd:linux_ww_mutex_unlock+0x9e
ttm_bo_release() at netbsd:ttm_bo_release+0xf3
amdgpu_bo_unref() at amdgpu:amdgpu_bo_unref+0x1d
amdgpu_vm_free_table() at amdgpu:amdgpu_vm_free_table+0x53
amdgpu_vm_free_pts() at amdgpu:amdgpu_vm_free_pts+0x6a
amdgpu_vm_fini() at amdgpu:amdgpu_vm_fini+0x28c
amdgpu_driver_postclose_kms() at amdgpu:amdgpu_driver_postclose_kms+0x133
drm_file_free() at netbsd:drm_file_free+0x1fb
drm_close() at netbsd:drm_close+0x60
closef() at netbsd:closef+0x58
fd_close() at netbsd:fd_close+0x140
sys_close() at netbsd:sys_close+0x22
syscall() at netbsd:syscall+0x1fc
[  89.1831539] --- syscall (number 6) ---
netbsd:syscall+0x1fc[  89.1831539] :


	
>How-To-Repeat:
Install precompiled kernel and start X
	
>Fix:

Compile a kernel with accompanied modules with options DIAGNOSTIC to be able
to start X and for good measures disable composer to get a working system.

	

>Unformatted: