From mboxrd@z Thu Jan  1 00:00:00 1970
From: "pelzflorian (Florian Pelz)" <pelzflorian@pelzflorian.de>
Subject: bug#33639: ISO installer image is broken on i686
Date: Wed, 10 Apr 2019 00:13:13 +0200
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To: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@gnu.org>
Cc: bug-xorriso@gnu.org, Thomas Schmitt <scdbackup@gmx.net>, 33639@debbugs.gnu.org

On Mon, Apr 08, 2019 at 10:50:29AM +0200, Ludovic Courtès wrote:
> Hello,
> 
> "Thomas Schmitt" <scdbackup@gmx.net> 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