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Bug#985801: linux: Missing Breaks relation to fwupdate

Source: linux
Version: 5.10.24-1
Severity: important
X-Debbugs-Cc: debian-efi@lists.debian.org

fwupdate in buster uses a Debian-specific install script that checks
that /sys/firmware/efi/vars exists and does not install files in the
ESP otherwise.

This kernel interface has been deprecated for some time in favour of
/sys/firmware/efi/efivars, and is no longer enabled in the bullseye
kernel.  This is a serious problem for buster-backports!

For bullseye, I think we should add a versioned Breaks relation that
forces an upgrade of fwupdate, i.e. "Breaks: fwupdate (<< 12-7)".  For
buster-backports, it is probably better to enable CONFIG_EFI_VARS
instead, as there is no backport of fwupdate.


-- System Information:
Debian Release: bullseye/sid
  APT prefers unstable-debug
  APT policy: (500, 'unstable-debug'), (500, 'stable-updates'), (500, 'unstable'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.10.0-2-amd64 (SMP w/2 CPU threads)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

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