The failure occurred when cloning mediawiki/extensions/Babel from Gerrit:
ERROR:zuul.Repo:Unable to initialize repo for https://gerrit.wikimedia.org/r/mediawiki/extensions/Babel
git.exc.GitCommandError: Cmd('git') failed due to: exit code(128)
cmdline: git clone -v -- https://gerrit.wikimedia.org/r/mediawiki/extensions/Babel /workspace/src/extensions/Babel stderr: 'Cloning into '/workspace/src/extensions/Babel'...
POST git-upload-pack (142 bytes)
POST git-upload-pack (gzip 5645 to 2779 bytes)
error: RPC failed; curl 16 Error in the HTTP2 framing layer
fatal: error reading section header 'shallow-info'
'
- Job: quibble-with-gated-extensions-vendor-mysql-php83 build #16071 https://integration.wikimedia.org/ci/job/quibble-with-gated-extensions-vendor-mysql-php83/16071/console
- Agent: integration-agent-docker-1054
- Date: 2026-02-26 11:08 UTC
This appears to be an infrastructure issue between the CI agents and Gerrit, possibly related to HTTP/2 negotiation or a connectivity problem specific to repos cloned without a local cache (Babel is cloned directly from upstream rather than from the git cache).