** Tags added: foundations-todo
** Also affects: apt (Ubuntu Jammy)
Importance: Undecided
Status: New
** Also affects: grub2-signed (Ubuntu Jammy)
Importance: Undecided
Status: New
** Changed in: apt (Ubuntu Jammy)
Status: New => Triaged
** No longer affects: grub2-signed (Ubuntu Jammy)
** Changed in: apt (Ubuntu Jammy)
Assignee: (unassigned) => Julian Andres Klode (juliank)
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https://bugs.launchpad.net/bugs/1990684
Title:
grub-efi-arm64-signed : Depends: grub-efi-arm64 (= 2.06-2ubuntu7) but
2.06-2ubuntu10 is to be installed
Status in apt package in Ubuntu:
In Progress
Status in grub2-signed package in Ubuntu:
Fix Released
Status in apt source package in Jammy:
Triaged
Bug description:
[Impact]
Phased updates with interdependencies can become uninstallable, breaking the
upgrade command (and presumably dist-upgrade), so it cannot upgrade
anything anymore, for example, see the original bug report below.
[Test plan]
We cannot reproduce the exact failure here, but we have included a minimal
test case that triggers the same error in the integration test
test-phased-updates-upgrade.
The test suite is exhaustive and covers more than a human reasonably
can, especially since we also cannot publish broken updates again to
get people to test the fix.
[Where problems could occur]
This is a one word fix in the solver. When deciding whether a depends could
be kept back, we accidentally looked at the package declaring the dependency
instead of the package we depend upon.
Of course this might unearth other fancy solver bugs. There is one
limitation in that this only applies to "Protected" packages (not in the
Protected field sense, but if you "Protect" the change in the solver), which is
*mostly* triggered only if you have held packages or phased updates, so
workarounds should always be easy.
[Original bug report]
# apt clean
# apt update
Hit:1 http://ca-central-1.ec2.ports.ubuntu.com/ubuntu-ports jammy InRelease
Hit:2 http://ca-central-1.ec2.ports.ubuntu.com/ubuntu-ports jammy-updates
InRelease
Hit:3 http://ca-central-1.ec2.ports.ubuntu.com/ubuntu-ports jammy-backports
InRelease
Hit:4 http://ports.ubuntu.com/ubuntu-ports jammy-security InRelease
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
24 packages can be upgraded. Run 'apt list --upgradable' to see them.
# apt upgrade
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
grub-efi-arm64-signed : Depends: grub-efi-arm64 (= 2.06-2ubuntu7) but
2.06-2ubuntu10 is to be installed
E: Broken packages
# apt show -a grub-efi-arm64 2>/dev/null | grep -P "Version:|APT-Sources:"
Version: 2.06-2ubuntu10
APT-Sources: http://ca-central-1.ec2.ports.ubuntu.com/ubuntu-ports
jammy-updates/main arm64 Packages
Version: 2.06-2ubuntu7
APT-Sources: http://ca-central-1.ec2.ports.ubuntu.com/ubuntu-ports jammy/main
arm64 Packages
# curl -s
"http://ports.ubuntu.com/ubuntu-ports/dists/jammy/main/binary-arm64/Packages.gz";
| zgrep -B 13 "Depends: grub-efi-arm64" | grep -P "Package:|Depends:"
Package: grub-efi-arm64-dbg
Depends: grub-efi-arm64-bin (= 2.06-2ubuntu7)
Package: grub-efi-arm64-signed
Depends: grub-efi-arm64 (= 2.06-2ubuntu7)
# curl -s
"http://ports.ubuntu.com/ubuntu-ports/dists/jammy-updates/main/binary-arm64/Packages.gz";
| zgrep -B 13 "Depends: grub-efi-arm64" | grep -P "Package:|Depends:"
Package: grub-efi-arm64-dbg
Depends: grub-efi-arm64-bin (= 2.06-2ubuntu10)
Package: grub-efi-arm64-signed
Depends: grub-efi-arm64 (= 2.06-2ubuntu10)
[[Workaround]]
echo "APT::Get::Never-Include-Phased-Updates: 1;" >
/etc/apt/apt.conf.d/99phased-updates
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: grub-efi-arm64-signed 1.180+2.06-2ubuntu7
ProcVersionSignature: Ubuntu 5.15.0-1020.24-aws 5.15.53
Uname: Linux 5.15.0-1020-aws aarch64
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: arm64
CasperMD5CheckResult: unknown
Date: Fri Sep 23 13:12:07 2022
Ec2AMI: ami-092d30890417a55e5
Ec2AMIManifest: (unknown)
Ec2AvailabilityZone: ca-central-1d
Ec2InstanceType: t4g.medium
Ec2Kernel: unavailable
Ec2Ramdisk: unavailable
ProcEnviron:
SHELL=/bin/bash
LANG=C.UTF-8
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
PATH=(custom, no user)
SourcePackage: grub2-signed
UpgradeStatus: No upgrade log present (probably fresh install)
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