panic: mtx 0xffffffff83906e58: locking against myself
Starting stack trace...
panic(ffffffff833f4c15) at panic+0x1d0 sys/kern/subr_prf.c:229
mtx_enter_try(ffffffff83906e58) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300
mtx_enter(ffffffff83906e58) at mtx_enter+0x62 sys/kern/kern_lock.c:261
uvm_pageclean(fffffd8008d11760) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline]
uvm_pageclean(fffffd8008d11760) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980
uvm_pagefree(fffffd8008d11760) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020
uvn_get(fffffd805c3e1bc8,0,ffff80002a368f98,ffff80002a368f7c,0,2,707eb94e029cd639,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118
uvm_fault_lower_io(ffff80002a3691b0,ffff80002a3691e8,ffff80002a369030,ffff80002a369018) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652
uvm_fault_lower(ffff80002a3691b0,ffff80002a3691e8,ffff80002a369130) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419
uvm_fault(fffffd806ef015c0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1
upageflttrap(ffff80002a369340,200000000000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
usertrap(ffff80002a369340) at usertrap+0x403 sys/arch/amd64/amd64/trap.c:605
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7b0d57189bc0, count: 245
End of stack trace.