On Jan 05 19:09:24, otto@drijf.net wrote:
> On Fri, Jan 05, 2018 at 02:08:14PM +0100, Otto Moerbeek wrote:
>
> > On Fri, Jan 05, 2018 at 01:31:08PM +0100, Jan Stary wrote:
> >
> > > Given that my dump(8) problem above also reported negative block
> > > numbers, is there a similar glitch in dump? At some places, blkno
> > > is cast to different int_ types (but he disk code is way over my head).
> >
> > Yest, that is very well possible.
> >
>
> I'll try to reproduce your problem, your original report contains
> almost enough information to get started. But one thing I like to
> know: is your /dev/sd2a filesystem UFS1 or UFS2?
>
> If you are unsure; do a
>
> # dumpfs /dev/rsd2a | head -1
magic 11954 (FFS1) time Fri Jul 14 13:17:25 2017
That's actually one of the places where the casts happen:
if (sblock->fs_magic == FS_UFS1_MAGIC)
blkno = ((int32_t *)idblk)[i];
else
blkno = ((int64_t *)idblk)[i];
Jan
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