login: [ 66.1671762] panic: Mutex error: rw_vector_enter,312: spin lock held
[ 66.1671762] lock address : 0xffff9c800d92a3c0 type : spin
[ 66.1671762] initialized : 0xffffffff81199249
[ 66.1671762] shared holds : 0 exclusive: 1
[ 66.1671762] shares wanted: 0 exclusive: 0
[ 66.1671762] current cpu : 1 last held: 1
[ 66.1671762] current lwp : 0xffff9c8011ae4700 last held: 0xffff9c8011ae4700
[ 66.1671762] last locked* : 0xffffffff811af858 unlocked : 0xffffffff81235379
[ 66.1671762] owner field : 0x0000000000010700 wait/spin: 0/1