anyone recognize this panic?

Garrett Cooper youshi10 at
Sat Feb 25 22:08:49 PST 2006

Kris Kennaway wrote:

>On Sat, Feb 25, 2006 at 10:33:06PM -0500, Robert Huff wrote:
>>	I just had my -CURRENT* machine crash under moderate load.  No
>>dump is available because the machine locked hard, but I did copy
>>this off the screen:
>>re0: diagnostic failed to receive packet in loopback mode
>>re0: attach aborted due to hardware diagnostic failure
>>panic: mtx_lock() of spin mutex (null) @ /usr/src/sys/netinet/in_pcb,c:862
>>	"re0" is a Linksys EG-1032, less than two months old.  It was
>>connected, but had zero traffic at the time of the crash.
>>	Before I take this to current@ - has anyone seen anything like
>>this before?  A quick check of the archives and the web in general
>>didn't show anything.
>You need to at least get a traceback from the panic, and preferably a
Probably should pass this onto some devs. It seems like a null value was 
passed for locking a mutex in the OS, which is important. Having a 
traceback would be good though... but at least mentioning that the issue 
laid with the re (?) kernel driver would be a start.

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