PREEMPTION still unusable with 6.0-RC1

[Mike Tancsa]

At 06:46 AM 22/10/2005, Stefan Ehmann wrote:

>Anyway, I might have found the LOR that causes the problem [1]. show
>allocks output can be seen in [2]
>
>It's similar to http://sources.zabbadoz.net/freebsd/lor/016.html (as it
>also happens in check_uidgid(). There's a nice explaination by rwatson
>in the linked thread.

There is another LOR in ip_divert at the same line

http://sources.zabbadoz.net/freebsd/lor/163.html

it is also easy to reproduce and leads to deadlock.  I had to move to 
pf to work around it.


         ---Mike