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To avoid breakage from Ubuntu package upgrades, we split the test image into two, one that sets up the packages only, and that won't change when we need to update our scripts, and another that derives from it, that adds all our scripts and other setup. Additionally, we work around the recent timeout issues due to the upgrade of packages. The timeout itself is due to gst-launch waiting indefinitely when it crashes, rather than exiting with an error code. Bug 1679491 addresses this issue, but the core problem is that gst-launch crashes, which seems to be that some change in libc (presumably "Fix pthread_rwlock_try*lock stalls") turns `gst_object_unref: assertion '((GObject *) object)->ref_count > 0' failed` fatal warnings (which were already happening) into actual crashes (presumably because a race condition is lost on a use-after-free). This workaround, however, will stop working as soon as the updated libc package migrates from bionic-updates into bionic proper, presumaby on the next 18.04 dot-release. Hopefully, we won't be rebuilding the base image for a while, avoiding further problems. Eventually, we'll want to upload the base image to docker hub so that it's set in stone, and change the FROM in the base image to use that instead. Differential Revision: https://phabricator.services.mozilla.com/D98045 |
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| ci | ||
| docker | ||
| docs | ||
| scripts | ||
| taskgraph | ||
| test | ||
| .yamllint | ||
| mach_commands.py | ||
| moz.build | ||