Verified with 1.1ubuntu1.18.04.1: Log from shell "A": rbalint@xenial-test:~$ lxc exec bb-uu-fixed -- bash root@bb-uu-fixed:~# unattended-upgrade --dry-run --verbose Initial blacklisted packages: Initial whitelisted packages: Starting unattended upgrades script Allowed origins are: o=Ubuntu,a=bionic, o=Ubuntu,a=bionic-security, o=UbuntuESM,a=bionic Option --dry-run given, *not* performing real actions Packages that will be upgraded: libgcrypt20 libssl1.0.0 libssl1.1 openssl Writing dpkg log to /var/log/unattended-upgrades/unattended-upgrades-dpkg.log /usr/bin/dpkg --status-fd 9 --no-triggers --unpack --auto-deconfigure /var/cache/apt/archives/libgcrypt20_1.8.1-4ubuntu1.1_amd64.deb /usr/bin/dpkg --status-fd 9 --no-triggers --configure libgcrypt20:amd64 /usr/bin/dpkg --status-fd 9 --configure --pending Preconfiguring packages ... /usr/bin/dpkg --status-fd 9 --no-triggers --unpack --auto-deconfigure /var/cache/apt/archives/libssl1.0.0_1.0.2n-1ubuntu5.1_amd64.deb /usr/bin/dpkg --status-fd 9 --configure --pending Preconfiguring packages ... /usr/bin/dpkg --status-fd 9 --no-triggers --unpack --auto-deconfigure /var/cache/apt/archives/libssl1.1_1.1.0g-2ubuntu4.1_amd64.deb /usr/bin/dpkg --status-fd 9 --configure --pending /usr/bin/dpkg --status-fd 9 --no-triggers --unpack --auto-deconfigure /var/cache/apt/archives/openssl_1.1.0g-2ubuntu4.1_amd64.deb /usr/bin/dpkg --status-fd 9 --configure --pending All upgrades installed
Attaching log for shell "B", since it is quite long. In the attached log it can be observed that the lock is still lost by u-u for small windows (due to python-apt losing it), but u-u then reacquires it, which is what the fix for u-u should do. Unfixed unattended-upgrades 1.1ubuntu1, shell "B": root@bb-uu:~# while sleep 0.3; do python3 -c 'import apt; import apt_pkg; print(apt_pkg.pkgsystem_lock())' ; done True True True True True True True True True True True True True True True Traceback (most recent call last): File "<string>", line 1, in <module> apt_pkg.Error: E:Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable), E:Unable to lock the administration directory (/var/lib/dpkg/), is another process using it? Traceback (most recent call last): File "<string>", line 1, in <module> apt_pkg.Error: E:Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable), E:Unable to lock the administration directory (/var/lib/dpkg/), is another process using it? Traceback (most recent call last): File "<string>", line 1, in <module> apt_pkg.Error: E:Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable), E:Unable to lock the administration directory (/var/lib/dpkg/), is another process using it? Traceback (most recent call last): File "<string>", line 1, in <module> apt_pkg.Error: E:Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable), E:Unable to lock the administration directory (/var/lib/dpkg/), is another process using it? Traceback (most recent call last): File "<string>", line 1, in <module> apt_pkg.Error: E:Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable), E:Unable to lock the administration directory (/var/lib/dpkg/), is another process using it? True True True True True True True True True True True True True True True True True True True True True ^C root@bb-uu:~# exit In the unfixed version u-u just loses the lock. ** Attachment added: "u-u-1.1ubuntu1.18.04.1-shell-B.log" https://bugs.launchpad.net/ubuntu/+source/unattended-upgrades/+bug/1602536/+attachment/5162110/+files/u-u-1.1ubuntu1.18.04.1-shell-B.log ** Tags removed: verification-needed verification-needed-bionic ** Tags added: verification-done verification-done-bionic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1602536 Title: /usr/bin/unattended-upgrade:apt.cache.LockFailedException:/usr/bin /unattended- upgrade@1468:main:do_auto_remove:cache_commit:commit:_fetch_archives To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python-apt/+bug/1602536/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
