Bug#984533: libc6: upgrade from 2.28-10 to 2.31-9 breaks system
On 2021-03-07 22:56, Sven Joachim wrote:
> On 2021-03-05 14:41 +0100, Aurelien Jarno wrote:
>
> > control: notfound -1 libc6/2.28-10
> > control: found -1 libc6/2.31-9
> > control: severity -1 grave
> >
> > On 2021-03-04 19:26, Thomas Hahn wrote:
> >> Package: libc6
> >> Version: 2.28-10
> >> Severity: normal
> >> X-Debbugs-Cc: thahn01@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)
> >
> > This seems to show that libslang2 has been wrongly unpacked before
> > libc6. Do you happen to have the beginning of the log? You can find it
> > in /var/log/apt/term.log.*
> >
> >> debconf: whiptail output the above errors, giving up!
> >> Checking for services that may need to be restarted...dpkg: error
> >> processing archive
> >> /tmp/apt-dpkg-install-I51xYx/64-libc6_2.31-9_amd64.deb (--unpack):
> >> new libc6:amd64 package pre-installation script subprocess returned error exit status 255
> >> Selecting previously unselected package libcrypt1:amd64.
> >> dpkg: considering deconfiguration of libc6:amd64, which would be broken by installation of libcrypt1:amd64 ...
> >> dpkg: yes, will deconfigure libc6:amd64 (broken by libcrypt1:amd64)
> >> Preparing to unpack .../65-libcrypt1_1%3a4.4.17-1_amd64.deb ...
> >> De-configuring libc6:amd64 (2.28-10) ...
> >> Unpacking libcrypt1:amd64 (1:4.4.17-1) ...
> >> Errors were encountered while processing:
> >> /tmp/apt-dpkg-install-I51xYx/64-libc6_2.31-9_amd64.deb
> >> Error: Timeout was reached
> >> E: Sub-process /usr/bin/dpkg returned an error code (1)
> >
> > To unbreak your system the best would be to unpack libc6 manually using
> > the following command:
> > dpkg -x /var/cache/apt/libc6_2.31-9_amd64.deb /
>
> No, never do that! This command actually runs "dpkg-deb -x" which,
> unlike "dpkg -i", will silently overwrite symlinks to directories on the
> filesystem with directories contained in the package. This is very bad
> if /lib is a symlink to /usr/lib (the "usrmerge" layout).
Oh I wasn't aware of that, I have fixed broken systems that way, I
wasn't aware that it doesn't work for usrmerge systems. Yet another
design issue of usrmerge...
I guess running the usrmerge script again should fix the system.
--
Aurelien Jarno GPG: 4096R/1DDD8C9B
aurelien@aurel32.net http://www.aurel32.net
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