Firmware error with iwn on 9-stable.

Frank Mayhar <[email protected]>
Newsgroups gmane.os.freebsd.devel.mobile
Organization Exit Consulting
Message-ID <[email protected]>
I'm trying to set up a new laptop, which has an Intel Centrino
Ultimate-N 6300 wireless card.  I was under the impression that the
9-stable iwn driver fully supported this card but I've run into a
problem.  Specifically, I'm seeing this firmware crash:

        iwn0: iwn_intr: fatal firmware error
        firmware error log:
          error type      = "SYSASSERT" (0x00000005)
          program counter = 0x00003C2C
          source line     = 0x00000580
          error data      = 0x0000000100000000
          branch link     = 0x00003C2800003C28
          interrupt link  = 0x0000153200000000
          time            = 4029106370
        driver status:
          tx ring  0: qid=0  cur=0   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=3   queued=0  
          tx ring  4: qid=4  cur=107 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=7

I also happen to have a verbose-boot dmesg, if it would be useful, at
        https://docs.google.com/open?id=0B1d6rhpx_wBIeFJmNVJqVVQ1Xzg

Any hints would be appreciated.  Thanks!
-- 
Frank Mayhar
[email protected]
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