Philippe, What's the output with '--allowerasing' switch? We are experiencing a similar issue, dnf update: ... Problem 53: problem with installed package perl-Encode-devel-4:2.97-3.el8.x86_64 - package perl-Encode-devel-4:2.97-3.el8.x86_64 requires perl-Encode(x86-64) = 4:2.97-3.el8, but none of the providers can be installed - package perl-Encode-4:2.97-3.el8.x86_64 requires libperl.so.5.26()(64bit), but none of the providers can be installed - cannot install both perl-libs-4:5.24.4-398.module_el8.0.0+50+c3b345cd.x86_64 and perl-libs-4:5.26.3-416.el8.x86_64 - cannot install both perl-libs-4:5.26.3-416.el8.x86_64 and perl-libs-4:5.24.4-398.module_el8.0.0+50+c3b345cd.x86_64 - package perl-Text-Tabs+Wrap-2013.0523-395.module_el8.0.0+50+c3b345cd.noarch requires perl(:MODULE_COMPAT_5.24.4), but none of the providers can be installed - cannot install the best update candidate for package perl-Text-Tabs+Wrap-2013.0523-395.el8.noarch - package perl-libs-4:5.24.4-404.module_el8.1.0+229+cd132df8.x86_64 is excluded Problem 54: problem with installed package perl-IO-Compress-2.081-1.el8.noarch - package perl-IO-Compress-2.081-1.el8.noarch requires perl(Compress::Raw::Zlib) >= 2.081, but none of the providers can be installed - package perl-Compress-Raw-Zlib-2.081-1.el8.x86_64 requires libperl.so.5.26()(64bit), but none of the providers can be installed - cannot install both perl-libs-4:5.24.4-398.module_el8.0.0+50+c3b345cd.x86_64 and perl-libs-4:5.26.3-416.el8.x86_64 - cannot install both perl-libs-4:5.26.3-416.el8.x86_64 and perl-libs-4:5.24.4-398.module_el8.0.0+50+c3b345cd.x86_64 - package perl-Thread-Queue-3.13-1.module_el8.0.0+50+c3b345cd.noarch requires perl(:MODULE_COMPAT_5.24.4), but none of the providers can be installed - cannot install the best update candidate for package perl-Thread-Queue-3.13-1.el8.noarch - package perl-libs-4:5.24.4-404.module_el8.1.0+229+cd132df8.x86_64 is excluded Problem 55: problem with installed package perl-Git-2.18.1-3.el8.noarch - package perl-Git-2.18.2-1.el8_1.noarch requires git = 2.18.2-1.el8_1, but none of the providers can be installed - package git-2.18.2-1.el8_1.x86_64 requires perl(Term::ReadKey), but none of the providers can be installed - package perl-TermReadKey-2.37-7.el8.x86_64 requires libperl.so.5.26()(64bit), but none of the providers can be installed - package perl-Git-2.18.1-3.el8.noarch requires git = 2.18.1-3.el8, but none of the providers can be installed - package perl-Git-2.18.1-4.el8.noarch requires git = 2.18.1-4.el8, but none of the providers can be installed - cannot install both perl-libs-4:5.24.4-398.module_el8.0.0+50+c3b345cd.x86_64 and perl-libs-4:5.26.3-416.el8.x86_64 - cannot install both perl-libs-4:5.26.3-416.el8.x86_64 and perl-libs-4:5.24.4-398.module_el8.0.0+50+c3b345cd.x86_64 - package git-2.18.1-3.el8.x86_64 requires git-core-doc = 2.18.1-3.el8, but none of the providers can be installed - package git-2.18.1-4.el8.x86_64 requires git-core-doc = 2.18.1-4.el8, but none of the providers can be installed - package perl-Time-Local-1:1.280-1.module_el8.0.0+50+c3b345cd.noarch requires perl(:MODULE_COMPAT_5.24.4), but none of the providers can be installed - cannot install both git-core-doc-2.18.2-1.el8_1.noarch and git-core-doc-2.18.1-3.el8.noarch - cannot install both git-core-doc-2.18.1-4.el8.noarch and git-core-doc-2.18.2-1.el8_1.noarch - cannot install the best update candidate for package perl-Time-Local-1:1.280-1.el8.noarch - cannot install the best update candidate for package git-core-doc-2.18.1-3.el8.noarch - package perl-libs-4:5.24.4-404.module_el8.1.0+229+cd132df8.x86_64 is excluded Problem 56: problem with installed package logwatch-7.4.3-9.el8.noarch - package logwatch-7.4.3-9.el8.noarch requires perl(Sys::CPU), but none of the providers can be installed - perl-Sys-CPU-0.61-14.el8.i686 has inferior architecture - package perl-Sys-CPU-0.61-14.el8.x86_64 requires libperl.so.5.26()(64bit), but none of the providers can be installed - cannot install both perl-libs-4:5.24.4-398.module_el8.0.0+50+c3b345cd.x86_64 and perl-libs-4:5.26.3-416.el8.x86_64 - cannot install both perl-libs-4:5.26.3-416.el8.x86_64 and perl-libs-4:5.24.4-398.module_el8.0.0+50+c3b345cd.x86_64 - package perl-Unicode-Normalize-1.25-1000.module_el8.0.0+50+c3b345cd.x86_64 requires perl(:MODULE_COMPAT_5.24.4), but none of the providers can be installed - package perl-Unicode-Normalize-1.25-1000.module_el8.0.0+50+c3b345cd.x86_64 requires libperl.so.5.24()(64bit), but none of the providers can be installed - cannot install the best update candidate for package perl-Unicode-Normalize-1.25-396.el8.x86_64 - package perl-libs-4:5.24.4-404.module_el8.1.0+229+cd132df8.x86_64 is excluded Help dnf update --allowerasing, but all the perl packages will be removed. Regards, DH čt 16. 1. 2020 v 5:33 odesílatel Philippe Piot <piot@xxxxxxxxxxxxxx> napsal: > Just as a followup even g++ is broken: > > [piot@paris ~]$ g++ > bash: g++: command not found... > Install package 'gcc-c++' to provide command 'g++'? [N/y] y > * Waiting in queue... > The following packages have to be downgraded: > cpp-8.2.1-3.5.el8.x86_64 The C Preprocessor > glibc-2.28-42.el8.1.i686 The GNU libc libraries > glibc-2.28-42.el8.1.x86_64 The GNU libc libraries > glibc-all-langpacks-2.28-42.el8.1.x86_64 All language packs for glibc. > glibc-common-2.28-42.el8.1.x86_64 Common binaries and locale data for > glibc > glibc-langpack-en-2.28-42.el8.1.x86_64 Locale data for en > libgomp-8.2.1-3.5.el8.x86_64 GCC OpenMP v4.5 shared support library > libstdc++-8.2.1-3.5.el8.x86_64 GNU Standard C++ Library > libstdc++-devel-8.2.1-3.5.el8.x86_64 Header files and libraries for C++ > development > The following packages have to be installed: > annobin-8.64-1.el8.x86_64 Binary annotation plugin for GCC > gcc-8.2.1-3.5.el8.x86_64 Various compilers (C, C++, Objective-C, ...) > gcc-c++-8.2.1-3.5.el8.x86_64 C++ support for GCC > glibc-devel-2.28-42.el8.1.x86_64 Object files for development using > standard C libraries. > glibc-headers-2.28-42.el8.1.x86_64 Header files for development using > standard C libraries. > kernel-headers-4.18.0-80.11.2.el8_0.x86_64 Header files for the Linux > kernel for use by glibc > libxcrypt-devel-4.1.1-4.el8.x86_64 Development files for libxcryp > > On Wed, Jan 15, 2020 at 10:26 PM Philippe Piot <philippe.piot@xxxxxxxxx> > wrote: > > > All, > > While updating my package using dnf update all I allow dnf to clean > some > > package with unresolved dependencies. > > I would like to reinstall some of them but got an error message "but > > none of the providers can be installed" during the install process as dnf > > is trying to install the dependencies. > > . > > This happens for some critical package like boost-openmpi-devel (see > > below for error). In fact the following package were removed and cannot > be > > installed: > > annobin-8.64-1.el8.x86_64 > > glibc-headers-2.28-42.el8.1.x86_64 > > libdrm-devel-2.4.96-2.el8.x86_64 > > boost-devel-1.66.0-6.el8.x86_64 > > boost-openmpi-devel-1.66.0-6.el8.x86_64 > > boost-static-1.66.0-6.el8.x86_64 > > gcc-8.2.1-3.5.el8.x86_64 > > gcc-c++-8.2.1-3.5.el8.x86_64 > > gcc-gdb-plugin-8.2.1-3.5.el8.x86_64 > > gcc-gfortran-8.2.1-3.5.el8.x86_64 > > glibc-devel-2.28-42.el8.1.x86_64 > > hdf5-devel-1.10.5-4.el8.x86_64 > > hdf5-openmpi-devel-1.10.5-4.el8.x86_64 > > hdf5-openmpi-static-1.10.5-4.el8.x86_64 > > hdf5-static-1.10.5-4.el8.x86_64 > > libquadmath-devel-8.2.1-3.5.el8.x86_64 > > libtool-2.4.6-25.el8.x86_64 > > libxcrypt-devel-4.1.1-4.el8.x86_64 > > mesa-libEGL-devel-18.3.1-5.el8_0.x86_64 > > mesa-libGL-devel-18.3.1-5.el8_0.x86_64 > > openmpi-devel-3.1.2-5.el8.x86_64 > > poppler-qt5-devel-0.66.0-11.el8_0.12.x86_64 > > qscintilla-qt5-devel-2.11.2-6.el8.x86_64 > > qt5-doctools-5.11.1-5.el8.x86_64 > > qt5-qtbase-devel-5.11.1-5.el8.x86_64 > > qt5-qtscript-devel-5.11.1-2.el8.x86_64 > > qt5-qttools-devel-5.11.1-5.el8.x86_64 > > qt5-qttools-static-5.11.1-5.el8.x86_64 > > qt5-rpm-macros-5.11.1-2.el8.noarch > > systemtap-4.0-7.el8.x86_64 > > systemtap-devel-4.0-7.el8.x86_64 > > > > Thank you for any suggestions. -- Philippe. > > > > > > ERROR MESSAGE WHEN TRYING TO INSTALL ONE OF THESE PACKAGES: > > ------------------------------------------ > > [piot@paris ~]$ sudo dnf install boost-openmpi-devel > > [sudo] password for piot: > > Last metadata expiration check: 0:13:02 ago on Wed 15 Jan 2020 10:05:29 > PM > > CST. > > Error: > > Problem: package libquadmath-devel-8.3.1-4.5.el8.x86_64 requires gcc = > > 8.3.1-4.5.el8, but none of the providers can be installed > > - package gcc-8.3.1-4.5.el8.x86_64 requires glibc-devel >= 2.2.90-12, > > but none of the providers can be installed > > - package boost-devel-1.66.0-6.el8.x86_64 requires > > libquadmath-devel(x86-64), but none of the providers can be installed > > - package glibc-devel-2.28-72.el8.i686 requires glibc-headers, but none > > of the providers can be installed > > - package glibc-devel-2.28-72.el8.i686 requires glibc-headers = > > 2.28-72.el8, but none of the providers can be installed > > - package glibc-devel-2.28-72.el8.x86_64 requires glibc-headers, but > > none of the providers can be installed > > - package glibc-devel-2.28-72.el8.x86_64 requires glibc-headers = > > 2.28-72.el8, but none of the providers can be installed > > - package boost-openmpi-devel-1.66.0-6.el8.x86_64 requires > > boost-devel(x86-64) = 1.66.0-6.el8, but none of the providers can be > > installed > > - package glibc-headers-2.28-72.el8.i686 requires kernel-headers, but > > none of the providers can be installed > > - package glibc-headers-2.28-72.el8.i686 requires kernel-headers >= > > 2.2.1, but none of the providers can be installed > > - package glibc-headers-2.28-72.el8.x86_64 requires kernel-headers, but > > none of the providers can be installed > > - package glibc-headers-2.28-72.el8.x86_64 requires kernel-headers >= > > 2.2.1, but none of the providers can be installed > > - cannot install the best candidate for the job > > - package kernel-headers-4.18.0-147.0.3.el8_1.x86_64 is excluded > > - package kernel-headers-4.18.0-147.3.1.el8_1.x86_64 is excluded > > - package kernel-headers-4.18.0-147.el8.x86_64 is excluded > > > > Philippe Piot, > https://www.niu.edu/advanced-accelerator-randd/ > <https://www.niu.edu/advanced-accelerator-randd/index.shtml> > Northern Illinois University, Dept of Physics and > Northern Illinois Center for Accelerator & Detector Development > DeKalb, IL 60115, USA > Tel: 815 753 6473, Web: http://www.physics.niu.edu/physics/ > > Argonne National Laboratory, Advanced Photon Source > Accelerator System Division > Lemont, IL 60439, USA > Tel: 630 252 2415, Web: > https://www.aps.anl.gov/Accelerator-Systems-Division > _______________________________________________ > CentOS mailing list > CentOS@xxxxxxxxxx > https://lists.centos.org/mailman/listinfo/centos > _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx https://lists.centos.org/mailman/listinfo/centos