Another issue with aarch64 -current

[john%ziaspace.com@localhost]

I'm running GENERIC64 on a Raspberry Pi 4, compiled today from today's 
sources, and I just got while rsyncing:

[   545.983766] panic: kernel diagnostic assertion "p->wire_count == 0" 
failed: file "/usr/current/src/sys/uvm/uvm_pdaemon.c", line 708
[   545.983766] cpu2: Begin traceback...
[   545.983766] trace fp ffffc000ee837c10
[   545.983766] fp ffffc000ee837c40 vpanic() at ffffc0000052db1c netbsd:vpanic+0x14c
[   545.983766] fp ffffc000ee837ca0 kern_assert() at ffffc0000078b448 netbsd:kern_assert+0x58
[   545.983766] fp ffffc000ee837d30 uvm_pageout() at ffffc000004a3ba8 netbsd:uvm_pageout+0x658
[   545.983766] cpu2: End traceback...

[   545.983766] dumping to dev 168,8 offset 305183
[   545.983766] dump umass1: Invalid CSW: tag 659627 should be 659628
[   545.983766] i/o error


[   550.983786] rebooting...


Any ideas?

John