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What were you trying to do that didn't work? Trying to update packages having security issues, the update fails because of multiarch not selecting the proper package in the transaction: # yum update --security [...] Error: Problem: ncurses-libs-6.1-9.20180224.el8_8.1.i686 from @System does not belong to a distupgrade repository - cannot install both ncurses-libs-6.1-10.20180224.el8.x86_64 from os and ncurses-libs-6.1-9.20180224.el8_8.1.x86_64 from @System - cannot install both ncurses-libs-6.1-10.20180224.el8.x86_64 from os and ncurses-libs-6.1-9.20180224.el8_8.1.x86_64 from os - cannot install both ncurses-libs-6.1-9.20180224.el8_8.1.x86_64 from os8eus and ncurses-libs-6.1-10.20180224.el8.x86_64 from os - cannot install the best update candidate for package ncurses-libs-6.1-9.20180224.el8_8.1.i686 - cannot install the best update candidate for package ncurses-libs-6.1-9.20180224.el8_8.1.x86_64 yum check-update --security shows only ncurses-libs.x86_64 needs an update: # yum check-update --security [...] ncurses-libs.x86_64 6.1-10.20180224.el8 os The solution to workaround this is to do a non-security update of the failing package: # yum update ncurses-libs [...] Then eventually the --security command will work: # yum check-update --security [...] glibc-gconv-extra.i686 2.28-236.el8.7 os glibc-gconv-extra.x86_64 2.28-236.el8.7 os nss_db.i686 2.28-236.el8.7 os nss_db.x86_64 2.28-236.el8.7 os All this looks very confusing to customers hitting the issue. Please provide the package NVR for which bug is seen: libsolv-0.7.20-6.el8.x86_64 How reproducible: Always Steps to reproduce Update the system to latest packages (8.9) Install an older ncurses-libs for i686 arch # yum install ncurses-c++-libs-6.1-9.20180224.el8_8.1.i686 Install nss_db and downgrade glibc and libgcc # yum -y install nss_db # yum -y downgrade glibc-2.28-225.el8_8.6 libgcc-8.5.0-18.el8 Try applying security updates # yum update --security Expected results Works Actual results Fails: Error: Problem 1: glibc-gconv-extra-2.28-225.el8_8.6.i686 from @System does not belong to a distupgrade repository - cannot install both glibc-gconv-extra-2.28-236.el8.7.x86_64 from os and glibc-gconv-extra-2.28-225.el8_8.6.x86_64 from @System - cannot install both glibc-gconv-extra-2.28-236.el8.7.x86_64 from os and glibc-gconv-extra-2.28-225.el8_8.6.x86_64 from os - cannot install both glibc-gconv-extra-2.28-225.el8_8.6.x86_64 from os8eus and glibc-gconv-extra-2.28-236.el8.7.x86_64 from os - cannot install the best update candidate for package glibc-gconv-extra-2.28-225.el8_8.6.i686 - cannot install the best update candidate for package glibc-gconv-extra-2.28-225.el8_8.6.x86_64 Problem 2: nss_db-2.28-225.el8_8.6.i686 from @System does not belong to a distupgrade repository - cannot install both nss_db-2.28-236.el8.7.x86_64 from os and nss_db-2.28-225.el8_8.6.x86_64 from @System - cannot install both nss_db-2.28-236.el8.7.x86_64 from os and nss_db-2.28-225.el8_8.6.x86_64 from os - cannot install both nss_db-2.28-225.el8_8.6.x86_64 from os8eus and nss_db-2.28-236.el8.7.x86_64 from os - cannot install the best update candidate for package nss_db-2.28-225.el8_8.6.x86_64 - cannot install the best update candidate for package nss_db-2.28-225.el8_8.6.i686
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