acquiring duplicate lock when mounting nullfs

[Bjoern A. Zeeb]

On Fri, 29 Dec 2006, Ulrich Spoerlein wrote:

Hi,

> this is on a RELENG_6 while mounting /usr/src and /usr/obj via nullfs
> and doing 'make installkernel installworld'
>
> It is similar to LOR #083, but not quite the same
>
> acquiring duplicate lock of same type: "vnode interlock"
> 1st vnode interlock @ /usr/src/sys/kern/vfs_vnops.c:806
> 2nd vnode interlock @ /usr/src/sys/kern/vfs_subr.c:2036

added to the LOR page with LOD ID 197:
http://sources.zabbadoz.net/freebsd/lor.html#197

-- 
Bjoern A. Zeeb				bzeeb at Zabbadoz dot NeT