bug#33639: ISO installer image is broken on i686

[pelzflorian (Florian Pelz)]

On Mon, Apr 08, 2019 at 10:50:29AM +0200, Ludovic Courtès wrote:
> Hello,
> 
> "Thomas Schmitt" <address@hidden> skribis:
> 
> > The fact that the VM always sees the expected size but the host sees varying
> > sizes supports the suspicion that at the end of the VM its i/o buffers or
> > virtual disk are not always properly flushed to the i/o system of the host.
> > The varying success smells like a race condition.
> 
> Indeed, that rings a bell: I fixed a similar issue in commit
> 0dc7d298a33f83d5f02a962b5f1bd24ee0e8ef07.
> 
> Florian: could you check whether the patch below solves the problem for
> you?
> 
> Thanks,
> Ludo’.
> 

No, sadly not.  I reconfigured to a commit with the Guix package
changed to use your patch and I again got this:

GPT PMBR size mismatch (3231103 != 3187775) will be corrected by write.
libburn : SORRY : Read start address 807775s larger than number of readable 
blocks 796944