>Number:         21063
>Category:       kern
>Synopsis:       Writing to LFS union over FFS can give problems
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Apr 07 20:08:00 PDT 2003
>Closed-Date:
>Last-Modified:
>Originator:     Geoff C. Wing
>Release:        NetBSD 1.6Q (2003/04/07)
>Organization:
Geoff Wing : <gcw@pobox.com>
Rxvt Stuff : <gcw@rxvt.org>
Zsh Stuff  : <gcw@zsh.org>
>Environment:
System: NetBSD sparkles.primenet.com.au 1.6Q NetBSD 1.6Q (SPARKLES) #0: Mon Apr 7 12:51:45 EST 2003 gcw@sparkles.primenet.com.au:/usr/netbsd/src/sys/arch/i386/compile/SPARKLES i386
Architecture: i386
Machine: i386
>Description:
	In the last four or five days, with a LFS union mounted over a FFS,
	worked OK for a "make build" but using something like vim gives
	lots of errors messages on file save:
	(The following set of 3 lines occured at least 11449 times
	in 37 seconds)

Apr  5 17:03:53 sparkles /netbsd: lfs_fsync: reflushing ino 33370
Apr  5 17:03:53 sparkles /netbsd: vflags 4000 iflags 0 npages 6
Apr  5 17:03:53 sparkles /netbsd: 
...

	Just then had (which only had 9933 sets in my syslog:)
Apr  8 12:59:47 sparkles /netbsd: lfs_fsync: reflushing ino 5819
Apr  8 12:59:47 sparkles /netbsd: vflags 4000 iflags 0 npages 10
Apr  8 12:59:47 sparkles /netbsd: 
...


>How-To-Repeat:
	See above
>Fix:
	?
>Release-Note:
>Audit-Trail:
>Unformatted: