GNU bug report logs - #33639
ISO installer image is broken on i686

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From: Ludovic Courtès <ludo <at> gnu.org>
To: "pelzflorian \(Florian Pelz\)" <pelzflorian <at> pelzflorian.de>
Cc: bug-xorriso <at> gnu.org, Thomas Schmitt <scdbackup <at> gmx.net>, 33639 <at> debbugs.gnu.org
Subject: bug#33639: ISO installer image is broken on i686
Date: Tue, 16 Apr 2019 23:01:45 +0200

Hi Florian,

"pelzflorian (Florian Pelz)" <pelzflorian <at> pelzflorian.de> skribis:

> On Sat, Apr 13, 2019 at 03:46:09PM +0200, pelzflorian (Florian Pelz) wrote:
>> Yes, it seems fixed, I can confirm.
>
> Well this is strange.  I got fine ISO images each time (fine with no
> complaints from xorriso or fdisk and bootable in QEMU without errors),
> but after dd’ing them to different USB flash drives each time I get
> kernel output when inserting the flash drive:
>
> [   10.025223] GPT:Primary header thinks Alt. header is not at the end of the disk.
> [   10.026735] GPT:3220583 != 7831551
> [   10.028235] GPT:Alternate GPT header not at the end of the disk.
> [   10.029764] GPT:3220583 != 7831551
> [   10.031290] GPT: Use GNU Parted to correct GPT errors.

Could it be simply due to the incorrect location of the GPT backup as
Thomas explained?

> Having such a USB flash drive inside my computer makes UEFI get stuck
> on some computers but not on others.

So you cannot boot from these USB drives at all?

Thanks,
Ludo’.

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