panic: mtx 0xffffffff839ef728: locking against myself
Starting stack trace...
panic(ffffffff833f57e2) at panic+0x1d0 sys/kern/subr_prf.c:229
mtx_enter_try(ffffffff839ef728) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300
mtx_enter(ffffffff839ef728) at mtx_enter+0x62 sys/kern/kern_lock.c:261
uvm_pageclean(fffffd800800bbe0) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline]
uvm_pageclean(fffffd800800bbe0) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980
uvm_pagefree(fffffd800800bbe0) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020
uvn_get(fffffd8059957ad0,1000,ffff80002a3753e8,ffff80002a3753cc,0,2,78bd553a01d9d944,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118
uvm_fault_lower_io(ffff80002a375600,ffff80002a375638,ffff80002a375480,ffff80002a375468) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652
uvm_fault_lower(ffff80002a375600,ffff80002a375638,ffff80002a375580) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419
uvm_fault(fffffd806b9435d8,200000001000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1
upageflttrap(ffff80002a375790,200000001c00) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
usertrap(ffff80002a375790) at usertrap+0x403 sys/arch/amd64/amd64/trap.c:605
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x73f34a9f6bc0, count: 245
End of stack trace.