Re: assertion failure on file descrip changes

[Andrew Doran <ad%netbsd.org@localhost>]

On Sun, Mar 23, 2008 at 10:47:38AM +1100, Geoff Wing wrote:

> Picked up this failure last night:
> 
> panic: kernel diagnostic assertion "(ff->ff_refcnt & FR_MASK) > 0" failed: 
> file "../../../../kern/kern_descrip.c", line 402
> 
> 4.99.56 kernel with
>       kern_descrip.c,v 1.173 2008/03/21 21:53:35 ad

It's a file descriptor handling botch. Can you get a backtrace if this
happens again? The function calling fd_putfile() is the important one.

Thanks,
Andrew