stack backtrace

[Kris Kennaway]

On Thu, Jun 02, 2005 at 04:27:30PM -0700, Derek Kuli?ski wrote:
> Hello Kris,
> 
> Thursday, June 2, 2005, 11:06:54 AM, you wrote:
> 
> >> > in 1.141 of ffs_softdep.c you added a call to backtrace() if bp->b_vp
> >> > == NULL..you removed it in current in 1.166, but some people are
> >> > seeing it trigger on 5.x
> >> So it's harmless?
> > I don't know, but I presume the debugging code was added for debugging
> > reasons :-)
> 
> Sorry, I didn't stated precise what I meant.
> Since this code was triggered it means something went wrong, the
> system didn't crash but I'm just wonder if something else could be
> damaged. For me it looks like the problem was somewhere in the disk
> writing code.

It is clearly a condition the original author thought important to
examine when it occurs, since he added the debugging code.  Whether or
not it indicates a problem I do not know.

Kris
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