panic: xpq_flush_cache, err -22

[Emmanuel Dreyfus <manu%netbsd.org@localhost>]

Hi

I am raising a test VM from the deads, and I now encounter this when 
mounting a puffs filesystem (100% reproductible on -current)

Does it speaks to anyone?

panic: xpq_flush_cache, err -22
fatal breakpoint trap in supervisor mode
trap type 1 code 0 eip c0133154 cs 9 eflags 200282 cr2 d80ea000 ilevel 6 esp 
d77f3c7c curlwp 0xc118e000 pid 0 lid 7 lowest kstack 0xd77f1000
Stopped in pid 0.7 (system) at  netbsd:breakpoint+0x4:  popl    %ebp
breakpoint(c04d1bc1,c050f3a0,c04e2f8e,d77f3ca8,c11a7a0c,c04ec0f0,d77f3c8c,c037c070,c11a7a00,c038bf61)
 at netbsd:breakpoint+0x4
vpanic(c04e2f8e,d77f3ca8,d77f3cdc,d77f3cb8,7ff0,0,d77f3cdc,c044d8d6,c04e2f8e,ffffffea)
 at netbsd:vpanic+0x218
panic(c04e2f8e,ffffffea,0,c0450325,c04fdb40,c,d77f3cdc,fffffffe,8,c038befe) at 
netbsd:panic+0x18
xpq_flush_cache(0,0,c118e000,c118e540,c118e000,d77f3d28,c02474cf,0,0,6) at 
netbsd:xpq_flush_cache+0x66
xc_thread(c118e000,750000,c0650200,0,c0100079,0,0,0,0,0) at netbsd:xc_thread+0x7

-- 
Emmanuel Dreyfus
manu%netbsd.org@localhost