alpha/105134: 'panic: lockmgr: thread ... not exclusive lock owner' on SMP Alpha EV6 machine

[John Baldwin]

On Sunday 12 November 2006 14:10, Kevin Thompson wrote:
> The following reply was made to PR alpha/105134; it has been noted by GNATS.
> 
> From: "Kevin Thompson" <kevin at antiduh.com>
> To: bug-followup at freebsd.org, antiduh at csh.rit.edu
> Cc:  
> Subject: Re: alpha/105134: 'panic: lockmgr: thread ... not exclusive lock 
owner' on SMP Alpha EV6 machine
> Date: Sun, 12 Nov 2006 14:04:16 -0500
> 
>  Downgraded to FreeBSD 5.5 and the machine has been stable for a couple  
>  days now. I guess something bad happened between 5 and 6, I'm guessing  
>  giant.

6.x has lots of changes to add locking to VFS.  Have you tried running 
with 'debug.mpsafevfs=0' set via the loader with 6.x?

-- 
John Baldwin