Re: kern/48411: repeatable SMP crashes in amd64-current

[David Holland <dholland-bugs%netbsd.org@localhost>]

The following reply was made to PR kern/48411; it has been noted by GNATS.

From: David Holland <dholland-bugs%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/48411: repeatable SMP crashes in amd64-current
Date: Thu, 28 Nov 2013 17:51:03 +0000

 On Thu, Nov 28, 2013 at 05:05:01PM +0000, J. Hannken-Illjes wrote:
  >>> Entering layer_node_find() with a locked vnode has to go -- unfortunately
  >>> this means VOP_LOOKUP() has to return an unlocked vnode.
  >> 
  >> That isn't unfortunate; it just takes some work to get organized.
  >  
  >  So to make the list complete: lookup, create, mknod, mkdir, symlink and
  >  bmap return locked vnodes and would need changing.
 
 Except for bmap the rest of those should not cause any (extra)
 problems. bmap I'm not sure about; it's a mess pertaining to device
 vnodes.
 
 -- 
 David A. Holland
 dholland%netbsd.org@localhost