Re: Substantial COMPAT_LINUX changes in netbsd-5?

[Antti Kantee <pooka%NetBSD.org@localhost>]

On Wed, Jan 20, 2010 at 10:41:52AM -0500, Christos Zoulas wrote:
> On Jan 20,  4:20pm, he%nordu.net@localhost (Havard Eidnes) wrote:
> -- Subject: Re: Substantial COMPAT_LINUX changes in netbsd-5?
> 
> | Managed to get that.  When the backup process got stuck, I typed
> | "df" out of old habit, and it also got stuck:
> | 
> | mail-server% ps axl | egrep tstile\|PID
> |  UID   PID  PPID  CPU PRI NI   VSZ   RSS WCHAN   STAT TTY       TIME COMMAND
> |    0 24173     1  195 117  0 17860  4876 tstile  D    ?      0:00.03 bpbkar 
> -r 
> |    0 19422 26923    0 117  0  2824   796 tstile  D+   ttyp5  0:00.00 df 
> | mail-server% 
> | 
> | Broke into DDB on the console, and here's the two stack backtraces
> | for these two processes:
> 
> Can you try LK_CANRECURSE in nfs_root()? Not that it is a real fix? Can you
> try dumping who owns the locks for the nfs root vnode?

Shouldn't LOCKDEBUG (or one of smaller hammers) catch locking-against-myself?