DF-4925: calling production amdgpu_fbdev_fini() (amdgpu_device_fini teardown, amdgpu_device.c:2744) on the dangling pointer...
panic: memory chunk 0xfffff800899945c0 is already free!
cpuid = 0
Trace beginning at frame 0xfffff801186176b8
chunk_mark_free() at chunk_mark_free+0xae 0xffffffff80655dbe 
chunk_mark_free() at chunk_mark_free+0xae 0xffffffff80655dbe 
_kfree() at _kfree+0x262 0xffffffff806580e2 
amdgpu_fbdev_fini() at amdgpu_fbdev_fini+0x78 0xffffffff831f91b8 
sysctl_run() at sysctl_run+0x1c4 0xffffffff873bc344 
sysctl_root.isra.5() at sysctl_root.isra.5+0x166 0xffffffff80683d06 
Debugger("panic")

CPU0 stopping CPUs: 0x0000003e
 stopped
Stopped at      Debugger+0x7c:  movb    $0,0xbdaf09(%rip)
db>