[Bug 1917903] Re: Kernel flavors specified that aren't in Ubuntu
Dave Jones
1917903 at bugs.launchpad.net
Thu Sep 22 09:56:31 UTC 2022
This was fixed by @vorlon in 3.106ubuntu4 which unconditionally remaps
the "armmp" flavor in all.db to "generic":
https://launchpad.net/ubuntu/+source/flash-kernel/3.106ubuntu4
** Changed in: flash-kernel (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1917903
Title:
Kernel flavors specified that aren't in Ubuntu
Status in flash-kernel package in Ubuntu:
Fix Released
Bug description:
Each entry in the flash-kernel database specifies which kernel flavors
are applicable for each machine type. Upstream (Debian) has separate
flavors for it's 32-bit ('armmp' and 'armmp-lpae') and 64-bit
('arm64') ARM kernels, while Ubuntu uses the 'generic' (and 'generic-
lpae') kernel flavors. This causes a failure during dpkg install, as
flash-kernel is unable to find the correct kernel and errors out.
There's also kernel flavors mentioned in the flash-kernel database
that don't have an equivalent in Ubuntu (ex: mx5, exynos5, keystone).
As far as a concrete bug:
flash-kernel on Ubuntu fails to install cleanly on BeagleBone Black with the 'generic' kernel flavor installed. A workaround is to add an override in /etc/flash-kernel/db that specifies the 'generic' kernel flavor as allowed:
Machine: TI AM335x BeagleBone
Machine: TI AM335x BeagleBone Black
Kernel-Flavors: generic
DTB-Id: am335x-boneblack.dtb
Boot-Script-Path: /boot/boot.scr
U-Boot-Script-Name: bootscr.beaglebone
Required-Packages: u-boot-tools
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