Just experienced this tmpfs panic on r268160:

Freed UMA keg (TMPFS node) was not empty (16 items).  Lost 1 pages of memory.

Fatal trap 12: page fault while in kernel mode
cpuid = 12; apic id = 0c
fault virtual address   = 0x378
fault code              = supervisor read data, page not present
instruction pointer     = 0x20:0xffffffff809638d1
stack pointer           = 0x28:0xfffffe07243800a0
frame pointer           = 0x28:0xfffffe0724380120
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 65339 (pkg-static)
[ thread pid 65339 tid 101641 ]
Stopped at      __mtx_lock_sleep+0xb1:  movl    0x378(%rax),%ecx
db> bt
Tracing pid 65339 tid 101641 td 0xfffff80286b2e490
__mtx_lock_sleep() at __mtx_lock_sleep+0xb1/frame 0xfffffe0724380120
free_unr() at free_unr+0x9d/frame 0xfffffe0724380160
tmpfs_free_node() at tmpfs_free_node+0xf2/frame 0xfffffe07243801a0
tmpfs_reclaim() at tmpfs_reclaim+0xdc/frame 0xfffffe07243801d0
VOP_RECLAIM_APV() at VOP_RECLAIM_APV+0xa7/frame 0xfffffe0724380200
vgonel() at vgonel+0x24c/frame 0xfffffe0724380280
vrecycle() at vrecycle+0x84/frame 0xfffffe07243802c0
tmpfs_inactive() at tmpfs_inactive+0x18/frame 0xfffffe07243802d0
VOP_INACTIVE_APV() at VOP_INACTIVE_APV+0xa7/frame 0xfffffe0724380300
vinactive() at vinactive+0x181/frame 0xfffffe0724380360
vputx() at vputx+0x30d/frame 0xfffffe07243803d0
vn_close() at vn_close+0x13e/frame 0xfffffe0724380450
vn_closefile() at vn_closefile+0x48/frame 0xfffffe07243804d0
_fdrop() at _fdrop+0x29/frame 0xfffffe07243804f0
closef() at closef+0x2ae/frame 0xfffffe0724380580
fdescfree() at fdescfree+0x64c/frame 0xfffffe0724380630
exit1() at exit1+0x682/frame 0xfffffe07243806c0
sigexit() at sigexit+0x929/frame 0xfffffe0724380980
postsig() at postsig+0x3c4/frame 0xfffffe0724380a70
ast() at ast+0x487/frame 0xfffffe0724380ab0
doreti_ast() at doreti_ast+0x1f/frame 0x7fffffffc6e0

Any further debugging I can do?


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