[Bug 176104] [iwn] iwn0: iwn_intr: fatal firmware error

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=176104

amvandemore at gmail.com changed:

           What    |Removed                     |Added
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                 CC|                            |amvandemore at gmail.com

--- Comment #11 from amvandemore at gmail.com ---
Same issue here:

FreeBSD m6600.galacticdominator.com 10.2-PRERELEASE FreeBSD 10.2-PRERELEASE #5
r286157: Sat Aug  1 10:22:41 CDT 2015    
adam at m6600.galacticdominator.com:/usr/obj/usr/src/sys/M6600  amd64

It has been occuring much more frequently after I upgraded to r286157.  Downing
interfaces, powering off wireless, waiting 30 secs, upping interfaces seems a
reliable way to recover.


Aug 10 19:04:33 m6600 kernel: iwn0: iwn_intr: fatal firmware error
Aug 10 19:04:33 m6600 kernel: firmware error log:
Aug 10 19:04:33 m6600 kernel: error type      = "NMI_INTERRUPT_WDG"
(0x00000004)
Aug 10 19:04:33 m6600 kernel: program counter = 0x000006B4
Aug 10 19:04:33 m6600 kernel: source line     = 0x00007B20
Aug 10 19:04:33 m6600 kernel: error data      = 0x0000000202230000
Aug 10 19:04:33 m6600 kernel: branch link     = 0x0000067A0000071A
Aug 10 19:04:33 m6600 kernel: interrupt link  = 0x0000153200006874
Aug 10 19:04:33 m6600 kernel: time            = 1209333766
Aug 10 19:04:33 m6600 kernel: driver status:
Aug 10 19:04:33 m6600 kernel: tx ring  0: qid=0  cur=36  queued=0  
Aug 10 19:04:33 m6600 kernel: tx ring  1: qid=1  cur=0   queued=0  
Aug 10 19:04:33 m6600 kernel: tx ring  2: qid=2  cur=107 queued=0  
Aug 10 19:04:33 m6600 kernel: tx ring  3: qid=3  cur=59  queued=0  
Aug 10 19:04:33 m6600 kernel: tx ring  4: qid=4  cur=134 queued=0  
Aug 10 19:04:33 m6600 kernel: tx ring  5: qid=5  cur=0   queued=0  
Aug 10 19:04:33 m6600 kernel: tx ring  6: qid=6  cur=0   queued=0  
Aug 10 19:04:33 m6600 kernel: tx ring  7: qid=7  cur=0   queued=0  
Aug 10 19:04:33 m6600 kernel: tx ring  8: qid=8  cur=0   queued=0  
Aug 10 19:04:33 m6600 kernel: tx ring  9: qid=9  cur=0   queued=0  
Aug 10 19:04:33 m6600 kernel: tx ring 10: qid=10 cur=0   queued=0  
Aug 10 19:04:33 m6600 kernel: tx ring 11: qid=11 cur=0   queued=0  
Aug 10 19:04:33 m6600 kernel: tx ring 12: qid=12 cur=101 queued=1  
Aug 10 19:04:33 m6600 kernel: tx ring 13: qid=13 cur=0   queued=0  
Aug 10 19:04:33 m6600 kernel: tx ring 14: qid=14 cur=0   queued=0  
Aug 10 19:04:33 m6600 kernel: tx ring 15: qid=15 cur=0   queued=0  
Aug 10 19:04:33 m6600 kernel: tx ring 16: qid=16 cur=0   queued=0  
Aug 10 19:04:33 m6600 kernel: tx ring 17: qid=17 cur=0   queued=0  
Aug 10 19:04:33 m6600 kernel: tx ring 18: qid=18 cur=0   queued=0  
Aug 10 19:04:33 m6600 kernel: tx ring 19: qid=19 cur=0   queued=0  
Aug 10 19:04:33 m6600 kernel: rx ring: cur=8

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