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Bug#989962: debian-bullseye-DI-rc2-amd64-DVD-1.iso image on flash media flash fails to boot on a system that does not support secure boot



[ please keep the bug report in CC, I'm not the only person who might be
  reading this! ]

On Sun, Jun 27, 2021 at 12:14:20PM -0700, David George Henderson III wrote:
>Steve,
>
>I goofed on the model number, its a T1600, not a T1200. I've created a text
>file from /proc/cpuinfo; see attachment.

ACK, thanks.

>The T1600 has a 11.rc1 system that installs OK but does not directly boot off
>the disk drive;
>
>    what does work is EFI booting  an existing Debian 10.9 system and placing
>the 11.rc1 grub stanza inside the 10.9 /etc/grub.d/40_custom file ;  see
>Bug#989962
>
>I have performed an 11.rc2 install via bios mode booting 11.rc2 media and
>performing an install without any use of EFI
>
>All my laptops boot in secure boot mode; this is greatly appreciated.
>
>I perform test installs to this T1600 system to emulate the laptop
>configuration.
>
>    What matters the most to me is the compiler/library configuration.
>
>    At the moment I'm using gnu gcc/g++ because the llvm and clang compilers
>on Debian 10 failed to execute some intricate c++ code.
>
>    In the big picture, it does not matter very much if the T1600 boots bios
>mode or UEFI mode.

Fair enough!

-- 
Steve McIntyre, Cambridge, UK.                                steve@einval.com
"You can't barbecue lettuce!" -- Ellie Crane


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