Tested with 0.90ubuntu0.10 (not fixed) and 1.1ubuntu1.18.04.7~16.04.1
(fixed):
With the not fixed version the lock is lost by u-u, while u-u kept running:
...
SystemError: E:Could not get lock /var/lib/dpkg/lock-frontend - open (11:
Resource temporarily unavailable), E:Unable to acquire the dpkg frontend lock
(/var/lib/dpkg/lock-frontend), is another process using it?
Traceback (most recent call last):
File "<string>", line 1, in <module>
SystemError: E:Could not get lock /var/lib/dpkg/lock-frontend - open (11:
Resource temporarily unavailable), E:Unable to acquire the dpkg frontend lock
(/var/lib/dpkg/lock-frontend), is another process using it?
Traceback (most recent call last):
File "<string>", line 1, in <module>
SystemError: E:Could not get lock /var/lib/dpkg/lock-frontend - open (11:
Resource temporarily unavailable), E:Unable to acquire the dpkg frontend lock
(/var/lib/dpkg/lock-frontend), is another process using it?
True
True
True
True
True
True
True
True
True
True
...
With the fixed version but keeping unfixed python-apt the lock is still lost by
u-u, but u-u crashes. This is expected and is safer than the unfixed behaviour:
...
conffile line: /etc/rsyslog.d/21-cloudinit.conf d4cf2e5d3cb9914cf7e6cdc08d298339
current md5: d4cf2e5d3cb9914cf7e6cdc08d298339
blacklist: []
whitelist: []
Option --dry-run given, *not* performing real actions
Packages that will be upgraded: cloud-init curl kmod libc-bin libc6
libcurl3-gnutls libkmod2 locales multiarch-support python-apt-common
python3-apt snapd ubuntu-core-launcher
Writing dpkg log to /var/log/unattended-upgrades/unattended-upgrades-dpkg.log
applying set ['python-apt-common']
/usr/bin/dpkg --status-fd 9 --unpack --auto-deconfigure
/var/cache/apt/archives/python-apt-common_1.1.0~beta1ubuntu0.16.04.3_all.deb
/usr/bin/dpkg --status-fd 11 --configure python-apt-common:all
/usr/bin/dpkg --status-fd 13 --configure --pending
Exception happened during upgrade.
Traceback (most recent call last):
File "/usr/bin/unattended-upgrade", line 374, in __exit__
apt_pkg.pkgsystem_lock_inner()
AttributeError: module 'apt_pkg' has no attribute 'pkgsystem_lock_inner'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/bin/unattended-upgrade", line 558, in cache_commit
res = cache.commit(install_progress=iprogress)
File "/usr/bin/unattended-upgrade", line 376, in __exit__
apt_pkg.pkgsystem_lock()
SystemError: E:Could not get lock /var/lib/dpkg/lock-frontend - open (11:
Resource temporarily unavailable), E:Unable to acquire the dpkg frontend lock
(/var/lib/dpkg/lock-frontend), is another process using it?
Exception happened during upgrade.
NoneType
Installing the upgrades failed!
error message: E:Could not get lock /var/lib/dpkg/lock-frontend - open (11:
Resource temporarily unavailable), E:Unable to acquire the dpkg frontend lock
(/var/lib/dpkg/lock-frontend), is another process using it?
dpkg returned a error! See
/var/log/unattended-upgrades/unattended-upgrades-dpkg.log for details
InstCount=0 DelCount=0 BrokenCount=0
root@x-uu:~#
With both u-u and python-apt fixed u-u keeps the lock for the whole run:
...
SystemError: E:Could not get lock /var/lib/dpkg/lock-frontend - open (11:
Resource temporarily unavailable), E:Unable to acquire the dpkg frontend lock
(/var/lib/dpkg/lock-frontend), is another process using it?
Traceback (most recent call last):
File "<string>", line 1, in <module>
SystemError: E:Could not get lock /var/lib/dpkg/lock-frontend - open (11:
Resource temporarily unavailable), E:Unable to acquire the dpkg frontend lock
(/var/lib/dpkg/lock-frontend), is another process using it?
Traceback (most recent call last):
File "<string>", line 1, in <module>
SystemError: E:Could not get lock /var/lib/dpkg/lock-frontend - open (11:
Resource temporarily unavailable), E:Unable to acquire the dpkg frontend lock
(/var/lib/dpkg/lock-frontend), is another process using it?
Traceback (most recent call last):
File "<string>", line 1, in <module>
SystemError: E:Could not get lock /var/lib/dpkg/lock-frontend - open (11:
Resource temporarily unavailable), E:Unable to acquire the dpkg frontend lock
(/var/lib/dpkg/lock-frontend), is another process using it?
True
True
...
...
Writing dpkg log to /var/log/unattended-upgrades/unattended-upgrades-dpkg.log
applying set ['python-apt-common']
/usr/bin/dpkg --status-fd 9 --unpack --auto-deconfigure
/var/cache/apt/archives/python-apt-common_1.1.0~beta1ubuntu0.16.04.3_all.deb
/usr/bin/dpkg --status-fd 11 --configure python-apt-common:all
/usr/bin/dpkg --status-fd 13 --configure --pending
left to upgrade {'libc-bin', 'libcurl3-gnutls', 'libkmod2', 'curl', 'libc6',
'ubuntu-core-launcher', 'multiarch-support', 'snapd', 'locales', 'kmod',
'cloud-init'}
applying set ['libc-bin']
/usr/bin/dpkg --status-fd 9 --unpack --auto-deconfigure
/var/cache/apt/archives/libc-bin_2.23-0ubuntu11_amd64.deb
/usr/bin/dpkg --status-fd 11 --configure libc-bin:amd64
/usr/bin/dpkg --status-fd 13 --configure --pending
left to upgrade {'libcurl3-gnutls', 'libkmod2', 'curl', 'libc6',
'ubuntu-core-launcher', 'multiarch-support', 'kmod', 'locales', 'snapd',
'cloud-init'}
applying set ['libc6']
Preconfiguring packages ...
/usr/bin/dpkg --status-fd 9 --unpack --auto-deconfigure
/var/cache/apt/archives/libc6_2.23-0ubuntu11_amd64.deb
/usr/bin/dpkg --status-fd 11 --configure libc6:amd64
/usr/bin/dpkg --status-fd 13 --configure --pending
left to upgrade {'libcurl3-gnutls', 'libkmod2', 'curl', 'ubuntu-core-launcher',
'multiarch-support', 'snapd', 'locales', 'kmod', 'cloud-init'}
applying set ['multiarch-support']
/usr/bin/dpkg --status-fd 9 --unpack --auto-deconfigure
/var/cache/apt/archives/multiarch-support_2.23-0ubuntu11_amd64.deb
/usr/bin/dpkg --status-fd 11 --configure multiarch-support:amd64
/usr/bin/dpkg --status-fd 13 --configure --pending
left to upgrade {'libcurl3-gnutls', 'libkmod2', 'curl', 'ubuntu-core-launcher',
'kmod', 'locales', 'snapd', 'cloud-init'}
applying set ['locales']
Preconfiguring packages ...
/usr/bin/dpkg --status-fd 9 --unpack --auto-deconfigure
/var/cache/apt/archives/locales_2.23-0ubuntu11_all.deb
/usr/bin/dpkg --status-fd 11 --configure locales:all
/usr/bin/dpkg --status-fd 13 --configure --pending
left to upgrade {'libcurl3-gnutls', 'libkmod2', 'curl', 'ubuntu-core-launcher',
'snapd', 'kmod', 'cloud-init'}
applying set ['cloud-init']
Preconfiguring packages ...
/usr/bin/dpkg --status-fd 9 --unpack --auto-deconfigure
/var/cache/apt/archives/cloud-init_18.5-21-g8ee294d5-0ubuntu1~16.04.1_all.deb
/usr/bin/dpkg --status-fd 11 --configure cloud-init:all
/usr/bin/dpkg --status-fd 13 --configure --pending
left to upgrade {'libcurl3-gnutls', 'libkmod2', 'curl', 'ubuntu-core-launcher',
'snapd', 'kmod'}
applying set ['snapd', 'ubuntu-core-launcher']
/usr/bin/dpkg --status-fd 9 --unpack --auto-deconfigure
/var/cache/apt/archives/ubuntu-core-launcher_2.37.1_amd64.deb
/var/cache/apt/archives/snapd_2.37.1_amd64.deb
/usr/bin/dpkg --status-fd 11 --configure snapd:amd64 ubuntu-core-launcher:amd64
/usr/bin/dpkg --status-fd 13 --configure --pending
left to upgrade {'libkmod2', 'curl', 'kmod', 'libcurl3-gnutls'}
applying set ['libkmod2', 'kmod']
/usr/bin/dpkg --status-fd 9 --unpack --auto-deconfigure
/var/cache/apt/archives/kmod_22-1ubuntu5.2_amd64.deb
/var/cache/apt/archives/libkmod2_22-1ubuntu5.2_amd64.deb
/usr/bin/dpkg --status-fd 11 --configure libkmod2:amd64 kmod:amd64
/usr/bin/dpkg --status-fd 13 --configure --pending
left to upgrade {'curl', 'libcurl3-gnutls'}
applying set ['curl', 'libcurl3-gnutls']
/usr/bin/dpkg --status-fd 9 --unpack --auto-deconfigure
/var/cache/apt/archives/curl_7.47.0-1ubuntu2.12_amd64.deb
/var/cache/apt/archives/libcurl3-gnutls_7.47.0-1ubuntu2.12_amd64.deb
/usr/bin/dpkg --status-fd 11 --configure libcurl3-gnutls:amd64 curl:amd64
/usr/bin/dpkg --status-fd 13 --configure --pending
left to upgrade set()
All upgrades installed
InstCount=0 DelCount=0 BrokenCount=0
root@x-uu:~#
** Tags removed: verification-needed verification-needed-xenial
** Tags added: verification-done verification-done-xenial
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https://bugs.launchpad.net/bugs/1260041
Title:
Unattended-Upgrades crashes with a dpkg error
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