Bug#992304: linux-image-5.10.0-8-amd64: Unable to boot from Dell R340 RAID Controller H330 (MegaRAID SAS-3 3008) after upgrade from Buster

[Salvatore Bonaccorso <carnil@debian.org>]

Control: tags -1 + moreinfo
Control: severity -1 important

Hi Nikolay,

On Tue, Aug 17, 2021 at 01:55:43AM +0300, Nikolay Zaynelov wrote:
> Package: src:linux
> Version: 5.10.46-4
> Severity: critical
> Justification: breaks the whole system
> X-Debbugs-Cc: mravunko@yahoo.com
> 
> Dear Maintainer,
>    * What led up to the situation? 
> I upgraded Dell R430 server from Buster to Bullseye. It has standard RAID1 configuration with two SAS disks.
>    * What exactly did you do (or not do) that was effective (or ineffective)? 
> I updated the server and after the upgrade process finished the server did not boot properly in kernel 5.10. 
> I found that there is an error regarding missing hard disk drive. I supposed that the problem maybe the kernel 
> driver for megaraid_sas.ko. I booted the installation media via the iDRAC interface and started system rescue. 
> The Debian 11.0 (netinstall) media did not find the hard disk and could not mount the root partition. So I 
> booted Debian 10.7 (netinstall) in rescue mode and I was able to see the disks and to choose the right root 
> partition.
>    * What was the outcome of this action?
> I found that the problem is in the new kernel 5.10 so I modified the /etc/default/grub file in order to boot the 
> old kernel by default.

Upstream report

https://bugzilla.kernel.org/show_bug.cgi?id=214311

suggests that this is dependent on if you are booting with legancy
BIOS or UEFI.

Can you confirm that?

Regards,
Salvatore