[   3.5867450] panic: kernel debugging assertion "usb_valid_block_p(f->ufd_block, &usb_blk_fraglist)" failed: file "/home/riastradh/netbsd/current/drm/sys/dev/usb/usb_mem.c", line 305 usb_allocmem: usb frag 0xffffc000aeb26e00: unknown block pointer 0x0
[   3.5867450] cpu5: Begin traceback...
[   3.5867450] trace fp ffffc000aea22ae0
[   3.5867450] fp ffffc000aea22b10 vpanic() at ffffc0000059357c netbsd:vpanic+0x14c
[   3.5867450] fp ffffc000aea22b70 kern_assert() at ffffc000007fc368 netbsd:kern_assert+0x58
[   3.5867450] fp ffffc000aea22c00 usb_allocmem() at ffffc000001733fc netbsd:usb_allocmem+0x2b8
[   3.5867450] fp ffffc000aea22c70 ehci_open() at ffffc000002148b8 netbsd:ehci_open+0x3e4
[   3.5967448] fp ffffc000aea22ce0 usbd_setup_pipe_flags() at ffffc00000171a5c netbsd:usbd_setup_pipe_flags+0xdc
[   3.5967448] fp ffffc000aea22d30 usbd_new_device() at ffffc000001723bc netbsd:usbd_new_device+0x33c
[   3.5967448] fp ffffc000aea22dd0 uhub_explore() at ffffc0000017642c RD4(rkvop1) 288 -> 0x00000002
[   3.5967448] WR4(rkvop1) 284 := 0x00020002
[   3.5967448] netbsd:uhub_explore+0x28c
[   3.5967448] fp ffffc000aea22e70 usb_discover() at ffffc00000169b10 netbsd:usb_discover+0xb0
[   3.5967448] fp ffffc000aea22ea0 usb_event_thread() at ffffc00000169e94 netbsd:usb_event_thread+0x54
address 0x100 is invalid
address 0xf0 is invalid
address 0xe8 is invalid
[   3.5967448] cpu5: End traceback...
Stopped in pid 0.208 (system) at        netbsd:cpu_Debugger+0x4:        ret
d