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I just tested the latest daily build of 1) ubuntu focal (/cdrom/.disk/info Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20210115)) 2) xubuntu focal (/cdrom/.disk/info Xubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20210114)) The bcmwl-kernel-source fails to build due to the dependency issue of: linux-libc-dev_5.4.0-62.70_amd64.deb (required) linux-libc-dev_5.4.0-61.69_amd64.deb (version on /cdrom/pool/main/l/linux) manually installing (previously downloaded) linux-libc-dev_5.4.0-62.70_amd64.deb and then running apt install bcmwl-kernel-source successfully builds the wl. The pool on the cdrom contains an outdated version of linux-libc-dev, apt-ftparchive issue? thank you very much for addressing this issue, kind regards Otto Question: PS: I am working on a enhanced version of Xubuntu focal (daily images) and sometimes the daily images are missing for few days,... is there a way to ensure their presence? please :-) thx terminal output for completeness: root@ubuntu:/home/ubuntu# apt install bcmwl-kernel-source Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: binutils binutils-common binutils-x86-64-linux-gnu build-essential dkms dpkg-dev fakeroot g++ g++-9 gcc gcc-9 libalgorithm-diff-perl libalgorithm-diff-xs-perl libalgorithm-merge-perl libasan5 libatomic1 libbinutils libc-dev-bin libc6-dev libcrypt-dev libctf-nobfd0 libctf0 libfakeroot libgcc-9-dev libitm1 liblsan0 libquadmath0 libstdc++-9-dev libtsan0 libubsan1 linux-libc-dev make manpages-dev Suggested packages: binutils-doc menu debian-keyring g++-multilib g++-9-multilib gcc-9-doc gcc-multilib autoconf automake libtool flex bison gcc-doc gcc-9-multilib gcc-9-locales glibc-doc libstdc++-9-doc make-doc The following NEW packages will be installed: bcmwl-kernel-source binutils binutils-common binutils-x86-64-linux-gnu build-essential dkms dpkg-dev fakeroot g++ g++-9 gcc gcc-9 libalgorithm-diff-perl libalgorithm-diff-xs-perl libalgorithm-merge-perl libasan5 libatomic1 libbinutils libc-dev-bin libc6-dev libcrypt-dev libctf-nobfd0 libctf0 libfakeroot libgcc-9-dev libitm1 liblsan0 libquadmath0 libstdc++-9-dev libtsan0 libubsan1 linux-libc-dev make manpages-dev 0 upgraded, 34 newly installed, 0 to remove and 0 not upgraded. Need to get 1,116 kB/33.0 MB of archives. After this operation, 151 MB of additional disk space will be used. Do you want to continue? [Y/n] y Err:1 http://archive.ubuntu.com/ubuntu focal-proposed/main amd64 linux-libc-dev amd64 5.4.0-63.71 Temporary failure resolving 'archive.ubuntu.com' E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/l/linux/linux-libc-dev_5.4.0-63.71_amd64.deb Temporary failure resolving 'archive.ubuntu.com' E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? root@ubuntu:/home/ubuntu# ** Affects: ubiquity (Ubuntu) Importance: Undecided Status: Incomplete -- bcmwl-kernel-source fails to build due to the dependency issue of linux-libc-dev_5.4.0-62.70 vs linux-libc-dev_5.4.0-61.69_amd64.deb https://bugs.launchpad.net/bugs/1911897 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs