UFS2 Snapshots in 6.1-Beta4 - Confirmed Problems

[Kris Kennaway]

On Thu, Mar 23, 2006 at 10:42:30AM -0800, Kent Stewart wrote:
> On Thursday 23 March 2006 10:34, Kris Kennaway wrote:
> > On Tue, Mar 21, 2006 at 01:36:44AM -0800, John Kozubik wrote:
> > > First, I have confirmed that a filesystem with multiple snapshots
> > > that undergoes multiple, rapid deletions of files, will cause the
> > > system to hang.  I have witnessed this before, but had not
> > > confirmed it or documented it in a PR.  Now that I have confirmed
> > > this behavior, I have documented it in: kern/94769
> >
> > I ran a (completion of) your script in a loop for about 24 hours and
> > it didn't deadlock.  This may be because there was a second set of
> > fixes that was merged in to 6.x a day or two ago.  Are you able to
> > confirm whether they indeed fixed this problem?
> >
> > > Second, kern/92292 is still a problem.  I have reproduced this
> > > error in 6.1-BETA4 (and have seen it happening since 5.1).  The
> > > (small) difference is that the cp process seems to stick in the
> > > flswai state instead of biowr.
> >
> > I'll test this one next.
> 
> There is also a problem if you try to boot the latest 6.1-beta kernel 
> from XP using an old boot1. It just hangs and you don't even see the 
> "-" symbol on the console. You can boot from XP after you start using 
> the new boot1.

Sounds entirely unrelated to snapshots, so go find your own thread :-)

Kris
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