Re: on amd64 r246552: iwn0: <Intel Wireless WiFi Link 4965>: fatal firmware error

Yesterday I had something similar - it was cause by a radio switch flip:

iwn0: RF switch: radio disabled
ubt0: ubt_bulk_read_callback:867: bulk-in transfer failed: USB_ERR_STALLED
ubt0: ubt_intr_read_callback:767: interrupt transfer failed: USB_ERR_STALLED
ugen1.4: <Dell Computer Corp> at usbus1 (disconnected)
ubt0: at uhub3, port 7, addr 4 (disconnected)
iwn0: iwn_intr: fatal firmware error
firmware error log:
  error type      = "SYSASSERT" (0x00000005)
  program counter = 0x0001EFD8
  source line     = 0x0000012E
  error data      = 0x0000000000000000
  branch link     = 0x0001EEE40001EEE4
  interrupt link  = 0x0000153200000000
  time            = 767402829
driver status:
  tx ring  0: qid=0  cur=194 queued=0
  tx ring  1: qid=1  cur=0   queued=0
  tx ring  2: qid=2  cur=0   queued=0
  tx ring  3: qid=3  cur=18  queued=0
  tx ring  4: qid=4  cur=58  queued=0
  tx ring  5: qid=5  cur=0   queued=0
  tx ring  6: qid=6  cur=0   queued=0
  tx ring  7: qid=7  cur=0   queued=0
  tx ring  8: qid=8  cur=0   queued=0
  tx ring  9: qid=9  cur=0   queued=0
  tx ring 10: qid=10 cur=0   queued=0
  tx ring 11: qid=11 cur=0   queued=0
  tx ring 12: qid=12 cur=0   queued=0
  tx ring 13: qid=13 cur=0   queued=0
  tx ring 14: qid=14 cur=0   queued=0
  tx ring 15: qid=15 cur=0   queued=0
  tx ring 16: qid=16 cur=0   queued=0
  tx ring 17: qid=17 cur=0   queued=0
  tx ring 18: qid=18 cur=0   queued=0
  tx ring 19: qid=19 cur=0   queued=0
  rx ring: cur=1

FreeBSD mercury 9.1-RELEASE FreeBSD 9.1-RELEASE #0: Fri Feb  8
23:26:37 CET 2013
root_at_mercury:/usr/obj/usr/src/sys/CeDeROM-MERCURY  amd64

% pciconf -lv
iwn0_at_pci0:2:0:0:	class=0x028000 card=0x13218086 chip=0x422c8086
rev=0x35 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Centrino Advanced-N 6200'
    class      = network


Best regards,
Tomek

-- 
CeDeROM, SQ7MHZ, http://www.tomek.cedro.info