U-u is fixed in version 1.2. ** Also affects: python-apt (Ubuntu) Importance: Undecided Status: New
** Description changed: [Impact] - * Unattended-upgrades fails to autoremove packages after installing + * Unattended-upgrades fails to autoremove packages after installing updates or fails to install updates due to a parallel process acquiring apt or dpkg lock while u-u is running. [Test Case] - * Set up a system with packages (> 30) to be upgraded. In case of + * Set up a system with packages (> 30) to be upgraded. In case of Bionic -security has a low number of updates, thus set up the system to install -updates to have more packages for u-u to upgrade: - echo 'Unattended-Upgrade::Allowed-Origins:: + echo 'Unattended-Upgrade::Allowed-Origins:: "${distro_id}:${distro_codename}-updates";' > /etc/apt/apt.conf.d/51-updates - * Set up two shells to run commands in parallel - * In shell "A" run sudo apt update && sudo unattended-upgrade --dry-run --verbose --debug - * After u-u started run the following command in shell "B": - while sleep 1; do python3 -c 'import apt; import apt_pkg; print(apt_pkg.pkgsystem_lock())' ; done - * Observe the following exception repeated while running u-u and True being printed after u-u is finished: + * Set up two shells to run commands in parallel + * In shell "A" run sudo apt update && sudo unattended-upgrade --dry-run --verbose --debug + * After u-u started run the following command in shell "B": + while sleep 1; do python3 -c 'import apt; import apt_pkg; print(apt_pkg.pkgsystem_lock())' ; done + * Observe the following exception repeated while running u-u and True being printed after u-u is finished: ... Traceback (most recent call last): - File "<string>", line 1, in <module> + 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> + 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 Traceback (most recent call last): - File "<string>", line 1, in <module> + 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 ... [Regression Potential WIP] - * Unattended-upgrade may crash + * Unattended-upgrade may crash + + [Other Info] + + It looks like python-apt also releases the lock sometimes unexpectedly + thus the both packages need to be fixed to avoid loosing the lock. [Original Bug Text] The Ubuntu Error Tracker has been receiving reports about a problem regarding unattended-upgrades. This problem was most recently seen with version 0.90, the problem page at https://errors.ubuntu.com/problem/19f99745d7dce5aea118eb31bfffcbdcdf238c4f contains more details. ** Also affects: python-apt (Ubuntu Xenial) Importance: Undecided Status: New ** Also affects: unattended-upgrades (Ubuntu Xenial) Importance: Undecided Status: New ** Changed in: unattended-upgrades (Ubuntu) Status: Confirmed => Fix Released ** Also affects: python-apt (Ubuntu Bionic) Importance: Undecided Status: New ** Also affects: unattended-upgrades (Ubuntu Bionic) Importance: Undecided Status: New -- You received this bug notification because you are a member of नेपाली भाषा समायोजकहरुको समूह, which is subscribed to Xenial. Matching subscriptions: Ubuntu 16.04 Bugs 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 Status in python-apt package in Ubuntu: New Status in unattended-upgrades package in Ubuntu: Fix Released Status in python-apt source package in Xenial: New Status in unattended-upgrades source package in Xenial: New Status in python-apt source package in Bionic: New Status in unattended-upgrades source package in Bionic: New Bug description: [Impact] * Unattended-upgrades fails to autoremove packages after installing updates or fails to install updates due to a parallel process acquiring apt or dpkg lock while u-u is running. [Test Case] * Set up a system with packages (> 30) to be upgraded. In case of Bionic -security has a low number of updates, thus set up the system to install -updates to have more packages for u-u to upgrade: echo 'Unattended-Upgrade::Allowed-Origins:: "${distro_id}:${distro_codename}-updates";' > /etc/apt/apt.conf.d/51-updates * Set up two shells to run commands in parallel * In shell "A" run sudo apt update && sudo unattended-upgrade --dry-run --verbose --debug * After u-u started run the following command in shell "B": while sleep 1; do python3 -c 'import apt; import apt_pkg; print(apt_pkg.pkgsystem_lock())' ; done * Observe the following exception repeated while running u-u and True being printed after u-u is finished: ... 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 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 ... [Regression Potential WIP] * Unattended-upgrade may crash [Other Info] It looks like python-apt also releases the lock sometimes unexpectedly thus the both packages need to be fixed to avoid loosing the lock. [Original Bug Text] The Ubuntu Error Tracker has been receiving reports about a problem regarding unattended-upgrades. This problem was most recently seen with version 0.90, the problem page at https://errors.ubuntu.com/problem/19f99745d7dce5aea118eb31bfffcbdcdf238c4f contains more details. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python-apt/+bug/1602536/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~group.of.nepali.translators Post to : group.of.nepali.translators@lists.launchpad.net Unsubscribe : https://launchpad.net/~group.of.nepali.translators More help : https://help.launchpad.net/ListHelp