[elbe-devel] [BUG] elbe-updated: Failure during Package-installation leads to endless loop

[Türk, Jan]

Hi,

if an Package fails during the installation within elbe-updated it leads to an endless installation loop inside the rootfilesystem.
For testing purposes we've created a package which fails during postinst step, which might happen in the field under certain conditions. 
Afterwards elbe-updated got stuck in an endless loop of applying the update.

Dec 06 11:54:05 somehost elbe[249]: Setting up fail-pkg (1.0-1) ...
Dec 06 11:54:05 somehost elbe[597]: (3/3) 79.5455% rsyslog - Installed rsyslog (armhf) 81.8182%
Dec 06 11:54:05 somehost elbe[597]: (3/3) 81.8182% fail-pkg - Configuring fail-pkg (armhf) 81.8182%
Dec 06 11:54:05 somehost elbe[597]: (3/3) 81.8182% fail-pkg - Configuring fail-pkg (armhf) 84.0909%
Dec 06 11:54:05 somehost elbe[249]: Dump package fail `configure'
Dec 06 11:54:05 somehost elbe[249]: dpkg: error processing package fail-pkg (--configure):
Dec 06 11:54:05 somehost elbe[249]:  subprocess installed post-installation script returned error exit status 1
Dec 06 11:54:05 somehost elbe[249]: Setting up vim-tiny (2:8.0.0197-4+deb9u1) ...
Dec 06 11:54:05 somehost elbe[597]: (3/3) 84.0909% vim-tiny - Configuring vim-tiny (armhf) 84.0909%
Dec 06 11:54:05 somehost elbe[597]: (3/3) 84.0909% vim-tiny - Configuring vim-tiny (armhf) 86.3636%
Dec 06 11:54:06 somehost elbe[597]: (3/3) 86.3636% vim-tiny - Installed vim-tiny (armhf) 88.6364%
Dec 06 11:54:06 somehost elbe[249]: Errors were encountered while processing:
Dec 06 11:54:06 somehost elbe[249]:  fail-pkg
Dec 06 11:54:08 somehost elbe[597]: (3/3) Get:73 file:/var/cache/elbe/repos/base stretch/main armhf cron armhf 3.0pl1-128+b1 [92.4 kB]
Dec 06 11:54:08 somehost elbe[597]: (3/3) Get:74 file:/var/cache/elbe/repos/base stretch/main armhf dmidecode armhf 3.0-4 [56.1 kB]
Dec 06 11:54:08 somehost elbe[597]: (3/3) Get:75 file:/var/cache/elbe/repos/base stretch/main armhf logrotate armhf 3.11.0-0.1 [56.1 kB]
Dec 06 11:54:08 somehost elbe[597]: (3/3) Get:76 file:/var/cache/elbe/repos/base stretch/main armhf nano armhf 2.7.4-1 [475 kB]
Dec 06 11:54:08 somehost elbe[597]: (3/3) Get:77 file:/var/cache/elbe/repos/base stretch/main armhf rsyslog armhf 8.24.0-1 [522 kB]
Dec 06 11:54:08 somehost elbe[597]: (3/3) Get:78 file:/var/cache/elbe/repos/base stretch/main armhf vim-common all 2:8.0.0197-4+deb9u1 [159 kB]
Dec 06 11:54:08 somehost elbe[597]: (3/3) Get:79 file:/var/cache/elbe/repos/base stretch/main armhf vim-tiny armhf 2:8.0.0197-4+deb9u1 [389 kB]
Dec 06 11:54:08 somehost elbe[597]: (3/3) Get:80 file:/var/cache/elbe/repos/somehost-bsp_1.2.2_ssh_updated_fail/repo stretch/main armhf fail-pkg all 1.0-1 [1282 B]
Dec 06 11:54:08 somehost elbe[249]: custom fork found
Dec 06 11:54:08 somehost elbe[249]: got pid: 4994
Dec 06 11:54:08 somehost elbe[249]: got pid: 0
Dec 06 11:54:08 somehost elbe[249]: got fd: 16
Dec 06 11:54:12 somehost elbe[249]: debconf: unable to initialize frontend: Dialog
Dec 06 11:54:12 somehost elbe[249]: debconf: (TERM is not set, so the dialog frontend is not usable.)
Dec 06 11:54:12 somehost elbe[249]: debconf: falling back to frontend: Readline
Dec 06 11:54:12 somehost elbe[249]: debconf: unable to initialize frontend: Readline
Dec 06 11:54:12 somehost elbe[249]: debconf: (Can't locate Term/ReadLine.pm in @INC (you may need to install the Term::ReadLine module) (@INC contains: /etc/perl /usr/local/lib/arm-linux-gnueabihf/perl/5.24.1 /usr/local/share/perl/5.24.1 /usr/lib/arm-linux-gnueabihf/perl5/5.24 /usr/share/perl5 /usr/lib/arm-linux-gnueabihf/perl/5.24 /usr/share/perl/5.24 /usr/local/lib/site_perl /usr/lib/arm-linux-gnueabihf/perl-base .) at /usr/share/perl5/Debconf/FrontEnd/Readline.pm line 7, <> line 8.)
Dec 06 11:54:12 somehost elbe[249]: debconf: falling back to frontend: Teletype
Dec 06 11:54:12 somehost elbe[249]: dpkg-preconfigure: unable to re-open stdin:
Dec 06 11:54:15 somehost ntpd[370]: error resolving pool 3.debian.pool.ntp.org: Temporary failure in name resolution (-3)
Dec 06 11:54:16 somehost elbe[249]: debconf: unable to initialize frontend: Dialog
Dec 06 11:54:16 somehost elbe[249]: debconf: (TERM is not set, so the dialog frontend is not usable.)
Dec 06 11:54:16 somehost elbe[249]: debconf: falling back to frontend: Readline
Dec 06 11:54:16 somehost elbe[249]: debconf: unable to initialize frontend: Readline
Dec 06 11:54:16 somehost elbe[249]: debconf: (Can't locate Term/ReadLine.pm in @INC (

Best Regards 

Jan Türk
Software Engineer 

Phone +49 721 62725-0
Fax +49 721 62725-19
E-mail jan.tuerk at emtrion.de