panic: mtx 0xffffffff83a100b8: locking against myself Starting stack trace... panic(ffffffff833def63) at panic+0x1d0 sys/kern/subr_prf.c:229 mtx_enter_try(ffffffff83a100b8) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff83a100b8) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8007fcfdb8) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8007fcfdb8) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8007fcfdb8) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805ee13750,0,ffff80002a314308,ffff80002a3142ec,0,2,e03c8da5bd1a2c2f,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80002a314520,ffff80002a314558,ffff80002a3143a0,ffff80002a314388) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1651 uvm_fault_lower(ffff80002a314520,ffff80002a314558,ffff80002a3144a0) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1418 uvm_fault(fffffd80676d65d0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80002a3146b0,200000000000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a3146b0) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x725ab0c24970, count: 245 End of stack trace.