Public bug reported:
[Impact]
* u-boot-sifive package currently does not upgrade bootloader on
loader1/loader2 partitions.
* there have now been bugs identified, meaning that upgrading u-boot is
required to upgrade from v5.8 kernel to v5.11 (i.e. either in-focal, or from
focal to hirsute).
* Add maintainer script that identifies if the machine one is running
on is unleashed or unamtched, and appropriately upgrades the bootloader
on loader1/loader2 partitions.
[Test Plan]
* Boot older unleashed or unmatched image
* Upgrade u-boot-sifive to latest package
* Reboot, and observe on the serial console that u-boot version number
is incremented to the latest one.
* Repeat the test twice, once with unleashed board, once with unmatched
board
* Upgrade the package under qemu VM and observe no side-effects / no
attempts to upgrade anything.
[Where problems could occur]
* It is not possible to atomically upgrade loader1 and loader2 simultaniously.
* A backup of loader1 and loader2 partitions is not stored anywhere.
* Thus in case of errors rollback of older u-boot is not performed.
* However if dd of one or the other partition fails, it is unlikely that one
can restore the backup.
** Affects: u-boot (Ubuntu)
Importance: Undecided
Status: New
** Affects: u-boot (Ubuntu Focal)
Importance: Undecided
Status: New
** Affects: u-boot (Ubuntu Hirsute)
Importance: Undecided
Status: New
** Affects: u-boot (Ubuntu Impish)
Importance: Undecided
Status: New
** Also affects: u-boot (Ubuntu Impish)
Importance: Undecided
Status: New
** Also affects: u-boot (Ubuntu Hirsute)
Importance: Undecided
Status: New
** Also affects: u-boot (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: u-boot (Ubuntu Focal)
Milestone: None => ubuntu-20.04.3
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https://bugs.launchpad.net/bugs/1936370
Title:
u-boot-sifive does not upgrade u-boot on disk
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