Re: kern/50608 (udf fails the fs/vfs/t_vnops::create_many test)

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

The following reply was made to PR kern/50608; it has been noted by GNATS.

From: David Holland <dholland-bugs%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/50608 (udf fails the fs/vfs/t_vnops::create_many test)
Date: Mon, 4 Jan 2016 09:37:17 +0000

 On Mon, Jan 04, 2016 at 09:00:01AM +0000, Reinoud Zandijk wrote:
  > I've tried to replicate it in a NetBSD-current kernel on a vnd
  > disc with sets of various sizes but I couldn't replicate it. Still
  > investigating it, might be some emulation choices like dircache
  > sizes that is preventing it to cache a 2500+(?) entry dircache
  > where in a normal kernel this is considered trivial in size.
 
 In order for the namecache to produce a wrong negative result it is
 theoretically necessary to prime it with wrong information; just being
 full isn't enough.
 
 I wonder though if this is the same problem people have been seeing
 intermittently with tmpfs. If so, chasing after it in this form is
 definitely worthwhile.
 
 -- 
 David A. Holland
 dholland%netbsd.org@localhost