[DSE-Dev] Bug#979970: libselinux1: dependency to newer libc6 ignored by/missing for aptitude

[Laurent Bigonville]

On Tue, 12 Jan 2021 13:31:19 +0100 Charlemagne Lasse 
<charlemagnelasse at gmail.com> wrote:

Hello

 > Right now, an update from buster to bullseye on amd64 completely
 > bricks the system because libselinux1 is requiring a libc6 which is
 > not yet installed on the system:
 >
 > Preparing to unpack .../0-libselinux1_3.1-2+b2_amd64.deb ...
 > De-configuring libselinux1:i386 (2.8-1+b1) ...
 > Unpacking libselinux1:amd64 (3.1-2+b2) over (2.8-1+b1) ...
 > tar: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.30' not
 > found (required by /lib/x86_64-linux-gnu/libselinux.so.1)
 > dpkg-deb: error: tar subprocess returned error exit status 1
 >
 > It is then not possible anymore to recover the system because dpkg
 > (mv, ...) is no longer working.
 >
 > There is most likely some kind dependency missing to let aptitude
 > known that it must first update libc6 before it can update
 > libselinux1. At least on this system, the installed version of libc6

 > for amd64 and i386 was still 2.28-10 when this happened

Ouch

Do you still have access to that machine?

Would it be possible to attach here the /var/log/apt/eipp.log.xz (or 
some other log files?) created during the failed update?

Kind regards,

Laurent Bigonville