panic: _pmap_enter: cannot allocate L3 table (aarch64)

[Tobias Nygren <tnn%NetBSD.org@localhost>]

Hi,

This has started happening quite often for me, but I don't see any
recent MD change that could be related. Maybe recent UVM changes?

panic: _pmap_enter: cannot allocate L3 table
cpu12: Begin traceback...
vpanic() at ffffffc0004ebe94 netbsd:vpanic+0x210
panic() at ffffffc0004ebc80 netbsd:panic+0x44
_pmap_enter() at ffffffc00008bc74 netbsd:_pmap_enter+0xe44
pmap_kenter_pa() at ffffffc00008ae14 netbsd:pmap_kenter_pa+0x4c
uvm_pagermapin() at ffffffc000469bdc netbsd:uvm_pagermapin+0x1d8
uvm_swap_io() at ffffffc000472200 netbsd:uvm_swap_io+0x98
swapcluster_flush() at ffffffc00046b5dc netbsd:swapcluster_flush+0x74
uvm_pageout() at ffffffc00046acb0 netbsd:uvm_pageout+0x638

-Tobias