On Mon, Apr 22, 2024 at 03:00:40PM +0100, Patrick Welche wrote:
> On Mon, Apr 22, 2024 at 01:11:56PM -0000, Michael van Elst wrote:
> > pr...@welche.eu (Patrick Welche) writes:
> >
> > >In fact, the difference is between "-t" and "-rt":
> >
> > >I deem "-t" output to be correct (and matches what I had in /etc/diskpart)
> >
> >
> > The in-kernel disklabel gets the RAW_PART from by the disk geometry
> > and if RAW_PART == 3, it gets d_partitions[2] from the MBR partition
> > table.
> >
> > That explains why 'disklabel -t' looks correct, it shows the in-kernel
> > disklabel.
> >
> > It doesn't explain why the on-disk label has the entries swapped.
> > When you edit the disklabel, the kernel writes to the disk. When
> > that corrects the error, the bug is in the disklabel program,
> > otherwise it's in the kernel.
>
> Given that the content of /etc/disktab agrees with the correct version,
> I am pretty sure that 3 years ago I did a "disklabel -r -w sd0 perc"
>
> I suppose I could do it again and see if -rt becomes correct... oder?
After all that: there was a typo in the disktab:
:pc#4294703103:od#264192:\
:pd#4294967295:od#0:\
"od" in both lines... After fixing that, -t and -rt agree!
Sorry for the noise - it was surprising though...
Cheers,
Patrick
