Public bug reported:
Ubuntu version: 26.04.1 LTS
Package version: abigail-tools 2.9-3
ABI file starts with:
<abi-corpus version='2.2' path='btmp1/libz-ng.so.2.1.2'
architecture='elf-unknown-arch-value-243' soname='libz-ng.so.2'>
"243" maps to EM_RISCV
Second ABI file starts with:
<abi-corpus version='2.4' path='btmp2/libz-ng.so.2.3.90'
architecture='elf-riscv' soname='libz-ng.so.2'>
These are same architecture, but first one is created with earlier minor
version, so newer version (2.4) should be able to parse the ABI file.
What happened:
ELF architecture changed
Functions changes summary: 0 Removed, 0 Changed (64 filtered out), 0 Added (2
filtered out) functions
Variables changes summary: 0 Removed, 0 Changed (1 filtered out), 0 Added
variable
architecture changed from 'elf-unknown-arch-value-243' to 'elf-riscv'
What is supposed to happen:
No error, as the architectures are the same
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: abigail-tools 2.9-3
ProcVersionSignature: Microsoft 4.4.0-26100.9278-Microsoft 4.4.35
Uname: Linux 4.4.0-26100-Microsoft x86_64
ApportVersion: 2.34.1-0ubuntu0.1
Architecture: amd64
CasperMD5CheckResult: unknown
Date: Sat Oct 24 03:15:26 2026
ProcEnviron:
LANG=C.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
SourcePackage: libabigail
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: libabigail (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute
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https://bugs.launchpad.net/bugs/2172091
Title:
abidiff reports architecture mismatch when comparing two minor
versions of ABI file format
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