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Groups > linux.debian.bugs.dist > #1261211

Bug#1114894: OS-Prober generates not running entries for Debian 12

From Pascal Hambourg <pascal@plouf.fr.eu.org>
Newsgroups linux.debian.bugs.dist
Subject Bug#1114894: OS-Prober generates not running entries for Debian 12
Date 2025-09-13 16:00 +0200
Message-ID <LuyXf-f18A-1@gated-at.bofh.it> (permalink)
References (1 earlier) <LtNYl-evFq-1@gated-at.bofh.it> <LtMSC-euZ0-15@gated-at.bofh.it> <LuwLL-eZKd-1@gated-at.bofh.it> <LtMSC-euZ0-15@gated-at.bofh.it> <LuwLL-eZKd-1@gated-at.bofh.it>
Organization Plouf !

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On 13/09/2025 at 12:51, Debian wrote:
> Am 13.09.25 um 10:55 schrieb Pascal Hambourg:
>> I do not see any such entry in grub.cfg in your initial report.
> 
> Copied from the initial report:

Again, I do not see any line "linux /vmlinuz root=/dev/sda2" here.

>> Can you attach the full contents of /boot/grub/grub.cfg in Debian 12 
>> root filesytem ? 
> 
> This is a bug for Debian 13 and not for Debian 12.

This could be a bug in parsing menu entries from the foreign grub.cfg.

>>> The error occurs after the upgrade when grub has been installed in 
>>> Debian 13.
>>
>> Which upgrade ?
> 
> It seems to be confusing for you. :-)
(...)
> Debian 12 is installed in /dev/sdb2 and has been copied to /dev/sdb5.

How was I supposed to know about that ?

> It was not easy to boot the copy in /dev/sdb5

If you used os-prober to generate menu entries for the copy, the 
grub.cfg copy originally contained the wrong UUID in the kernel command 
line and os-prober imported them, so the generated menu entries actually 
mounted the original root partition.

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Thread

Bug#1114894: OS-Prober generates not running entries for Debian 12 Debian <debian@decotrain.de> - 2025-09-11 12:40 +0200
  Bug#1114894: OS-Prober generates not running entries for Debian 12 Pascal Hambourg <pascal@plouf.fr.eu.org> - 2025-09-11 13:50 +0200
    Bug#1114894: OS-Prober generates not running entries for Debian 12 Debian <debian@decotrain.de> - 2025-09-12 11:40 +0200
      Bug#1114894: OS-Prober generates not running entries for Debian 12 Pascal Hambourg <pascal@plouf.fr.eu.org> - 2025-09-13 11:00 +0200
    Bug#1114894: OS-Prober generates not running entries for Debian 12 Debian <debian@decotrain.de> - 2025-09-13 13:40 +0200
      Bug#1114894: OS-Prober generates not running entries for Debian 12 Pascal Hambourg <pascal@plouf.fr.eu.org> - 2025-09-13 16:00 +0200
        Bug#1114894: OS-Prober generates not running entries for Debian 12 Debian <debian@decotrain.de> - 2025-09-14 10:10 +0200
          Bug#1114894: OS-Prober generates not running entries for Debian 12 Pascal Hambourg <pascal@plouf.fr.eu.org> - 2025-09-14 20:50 +0200
  Bug#1114894: OS-Prober generates not running entries for Debian 12 Pascal Hambourg <pascal@plouf.fr.eu.org> - 2025-09-17 00:30 +0200
    Bug#1114894: OS-Prober generates not running entries for Debian 12 Debian <debian@decotrain.de> - 2025-09-17 09:50 +0200

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