On 10.05.99, 17:43:18, Bernd Sieker wrote:
> Hi,
> 
> 
> - I get a reproducable panic on both my i386 machines (Cx486Dx2 and
> Celeron-A), when I do the following:
> 
> % mkdir a
> % mkdir b
> % mount_union ./a ./b
> % mount_union ./a ./b
> % mount_union ./a ./b
> 
> The system immediately crashes with:
> 
> panic: lockmgr: locking against myself.
> syncing disks .. done
> rebooting
> 

I found the PR4597, which dates back from November 1997, which describes
a very similar problem, quite likely caused bey the same bug. It is still
open.

Should I send another pr?

I find the union filesystem very useful and use it for CD-ROMs and
(patched) source trees a lot.

> 
> Regards,
> 
> 	Bernd
> 
> -- 
> Bernd Sieker
> 
> Unix, the solution to the W2k problem.