[Panic] 6b3 + mdconfig -t malloc + unionfs + screeen

Kris Kennaway kris at obsecurity.org
Thu Sep 8 15:17:29 PDT 2005

On Fri, Sep 09, 2005 at 01:05:48AM +0300, McLone wrote:
> On 9/5/05, Kris Kennaway <kris at obsecurity.org> wrote:
> > Double-check that you rebuilt it after updating your kernel.
> Sure. In case of unionfs, i double-rebuilded ALL the tools involved.
> > > panic: can't fifo/vnode bypass -1
> > Read the unionfs manpage.
> This is very sad. Even oldish Plan 9 always had union mounts.
> Where is the problem? VFS? Locking? Lack of interest?

The first 2, among other problems.  Search the mailing list archives
for extensive discussion of why the problems are difficult to fix.

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