Subject: Re: FFS panic "locking against myself"
To: Brian C. Grayson <>
From: Manuel Bouyer <>
List: current-users
Date: 12/16/1998 10:51:02
On Dec 16, Brian C. Grayson wrote
>   Is there still a known locking against self bug in the FFS
> code?  None of the open PRs appeared relevant/similar to my
> panic.
>   My machine with kernels from two days ago repeatedly
> panics at the same point while running sup, and has done so
> since August, and with at least a half-dozen kernels since
> then.  (I have to compile the kernels on a remote machine, then
> scp them over the modem to the machine that can't sup.)

Did you try a fsck on our partitions ?
Could you give more details about your disks (esp. disklabels) ?

>   Also, I created a debugging kernel, but when I enter
> gdb on the core dump using netbsd.gdb, the `where' command
> doesn't work -- it only says 0x0 (??).  Is there some tricky
> thing I'm missing?

Maybe 'proc _curproc' ?

Manuel Bouyer, LIP6, Universite Paris VI.