On 2021-03-20 10:25, Aurelien Jarno wrote: > On 2021-03-04 19:26, Thomas Hahn wrote: > > Package: libc6 > > Version: 2.28-10 > > Severity: normal > > X-Debbugs-Cc: thah...@t-online.de > > > > Dear Maintainer, > > > > installed buster, then apt upgrade was also fine, > > but the following dist-upgrade put the system in a broken state. > > > > Preparing to unpack .../62-locales_2.31-9_all.deb ... > > Unpacking locales (2.31-9) over (2.28-10) ... > > Preparing to unpack .../63-openssh-server_1%3a8.4p1-4_amd64.deb ... > > Unpacking openssh-server (1:8.4p1-4) over (1:7.9p1-10+deb10u2) ... > > Preparing to unpack .../64-libc6_2.31-9_amd64.deb ... > > whiptail: /lib/x86_64-linux-gnu/libm.so.6: version `GLIBC_2.29' not found > > (required by /lib/x86_64-linux-gnu/libslang.so.2) > > debconf: whiptail output the above errors, giving up! > > debconf has a nice fallback mechanism that switches back to a "lower" > frontend in case the selected one is unavailable. However this mechanism > only checks for the availability of the binary, not its usability. > Running $frontend --version for example would test that it is actually > executable. While it is definitely not a fix for the reported issue > above, it would definitely improve the user experience. > > By the way, I have noticed that their is support for the Xdialog > frontend, but it seems that in practice no package is providing this > binary.
Please note that this is already implemented in cdebconf. If whiptail installed but not usable, it fallbacks to readline. Aurelien -- Aurelien Jarno GPG: 4096R/1DDD8C9B aurel...@aurel32.net http://www.aurel32.net