Re: kern/53884: fs/vfs/t_rmdirrace:lfs_race test case fails randomly on real hardware

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

The following reply was made to PR kern/53884; it has been noted by GNATS.

From: David Holland <dholland-bugs%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/53884: fs/vfs/t_rmdirrace:lfs_race test case fails randomly
 on real hardware
Date: Fri, 18 Jan 2019 10:23:36 +0000

 On Wed, Jan 16, 2019 at 11:40:00AM +0000, Andreas Gustafsson wrote:
  >   panic: kernel diagnostic assertion "fs->lfs_cleaner_thread == curlwp" failed
 
 The only way this should be possible is to have two cleaners running
 at once, which... I wouldn't put past the rump test framework, I
 guess, but it doesn't seem that likely and also shouldn't vary under
 the number of cpus on the system. Or so one would think.
 
 Is it possible to check for extra lfs_cleanerd processes the next time
 this happens?
 
 -- 
 David A. Holland
 dholland%netbsd.org@localhost