> On 5 Mar 2021, at 15:08, [email protected] wrote:
>
>
>
>
>>> On 5 Mar 2021, at 03:23, viverna <[email protected]> wrote:
>>>
>> Yesterday I updated one of my computers with apt-get upgrade. This packages
>> are upgraded:
>>
>> grub-common grub-pc grub-pc-bin grub2-common
>>
>> dpkg install from version 2.02+dfsg1-20+deb10u3 to version
>> 2.02+dfsg1-20+deb10u4
>>
>> 2.02+dfsg1-20+deb10u4 seems came from to:
>> http://deb.devuan.org/merged beowulf-security/main
>>
>> 2.02+dfsg1-20+deb10u3 is in:
>> http://deb.devuan.org/merged beowulf/main
>>
>> Upgrading system does not produce or show any problems and then I halt the
>> system.
>>
>> I use Devuan Beowulf for all my pc. In this computer there is only 1 hd,
>> partition type gpt, 3 partitions:
>>
>> /dev/sda1 EFI System
>> /dev/sda2 Linux filesystem
>> /dev/sda3 Linux swap
>>
>> I switched on the pc later and grub rescue appears. WTF?
>>
>> I solved (temporarily) the problems with:
>>
>> set prefix=(hd0,gpt2)/boot/grub
>> set root=(hd0,gpt2)
>> insmod normal
>> normal
>>
>> and grub menù appears.
>>
>> Login with root, and then update-grub... grub-install... and so on...
>>
>> Restart the system. Grub rescue. Then login with root. New tests. Grub
>> rescue again. [N times?]
>>
>> At the end I downgrade from 2.02+dfsg1-20+deb10u4 to 2.02+dfsg1-20+deb10u3
>> the upgraded package.
>>
>> update-grub and grub-install. Reboot. Grub works!
>>
>> I am currently reluctant to upgrade again.
>>
>> And now the question. Has anyone reported the error in Devuan? Has anyone
>> haved this problem?
>
> Seems to be a bit of news about the latest update.
> https://9to5linux.com/patches-for-multiple-new-grub2-security-flaws-start-rolling-out-to-linux-distros-update-now
>
> The changelog mentions changes to secure boot. Could that be related to the
> issue?
>
> https://metadata.ftp-master.debian.org/changelogs//main/g/grub2/grub2_2.02+dfsg1-20+deb10u4_changelog
And there is also a debian security advisory related to this update.
https://www.debian.org/security/2021/dsa-4867
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