crash on writing usbstick

[Ian Lepore]

On Sun, 2015-03-01 at 20:32 -0500, Brett Wynkoop wrote:
> On Sun, 1 Mar 2015 16:55:59 -0700
> Warner Losh <imp at bsdimp.com> wrote:
> 
> > Your filesystem looks messed up. Panics are likely to haunt you.
> > You’ll need to newfs it and reload the data.
> > 
> > Also, it would be great if you could type ‘tr’ to the db> prompt to
> > get a call stack traceback. That would be quite helpful.
> > 
> > Warner
> 
> It seems counter to the design of the ffs, especially with softupdates
> enabled that one should have to newfs.  fsck claimed to have fixed the
> filesystem, but to be complete I have just done a newfs on the
> partation again and will attempt the copy yet again.
> 
> root at beaglebone:~ # newfs -J -U /dev/gpt/bbexport

IMO, there's your problem right there.  People have been reporting for
years that softupdates + journaling = corruption.  The freebsd project's
collective response to all those reports has been a rather silent yawn.
The only sane response, IMO, is to not use journaling.

-- Ian