anyone recognize this panic?

[Kris Kennaway]

On Sat, Feb 25, 2006 at 11:26:00PM -0800, Garrett Cooper wrote:
> Kris Kennaway wrote:
> 
> >On Sat, Feb 25, 2006 at 10:22:59PM -0800, Garrett Cooper wrote:
> >
> > 
> >
> >>>>>>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
> >>>>>crashdump.
> >>>>>
> >>>>>Kris
> >>>>>
> >>>>>
> >>>>>   
> >>>>>
> >>>>>         
> >>>>>
> >>>>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.
> >>>> 
> >>>>
> >>>>       
> >>>>
> >>>Unfortunately without a traceback the panic string is useless since it
> >>>gives you no clue about how the system got into that state.  This kind
> >>>of panic is often a secondary effect of some other problem.
> >>>
> >>>Kris
> >>>
> >>>
> >>>     
> >>>
> >>True, but at least you'd be able to find a way to the affected code... 
> >>After that it's just tests and debugging =\...
> >>   
> >>
> >
> >I don't understand what you're suggesting; how do you find the
> >affected code without a traceback?
> >
> >Kris
> >
> I'm thinking of the "old fashioned way" of doing things... reading tons 
> of code. Lol.

OK, let us know if you find anything :^)

Kris
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