[Bug 208691] "panic: ffs_valloc: dup alloc" as soon as UFS root partition is mounted

[Ronald Klop]

On Sun, 08 May 2016 17:18:34 +0200, <bugzilla-noreply at freebsd.org> wrote:

> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=208691
>
> --- Comment #5 from Martin Guy <martinwguy at gmail.com> ---
> An alternative to prevent the observed behaviour, of rebooting  
> continually,
> would be to always fully fsck the filesystem when it is dirty, rather  
> than the
> current fsck -p behaviour of replaying the journal and applying simpler  
> checks.
>
> I'm not sure a new "filesystem panic flag" would help, as there's not a  
> lot of
> difference between the state the FS can be left in after to a kernel  
> panic and
> when it stops due to a power failure.
>

Maybe it is interesting if you know the panic originated in an  
inconsistent filesystem.

Ronald.