Describes the cause and action for error messages.
Error Message(English)：
error pack-objects died of signal 9
git push to github fails with "error: pack-objects died of signal ...
https://stackoverflow.com/questions/45397553/git-push-to-github-fails-with-error-pack-objects-died-o・・・
git clone fails, git gc
https://stackoverflow.com/questions/14235323/git-clone-fails-git-gc
Github Status : Error in Pushing...!! Aborting?
https://stackoverflow.com/questions/31719512/github-status-error-in-pushing-aborting
Gitlab Backup Error: pack-objects died of signal 9
https://stackoverflow.com/questions/42846656/gitlab-backup-error-pack-objects-died-of-signal-9
Gitで重いリポジトリをcloneするとき - Qiita
https://qiita.com/butchi_y/items/cc0fe50acc47c1e3ab32
Solved: error: pack-objects died of signal 9 - Atlassian Community
https://community.atlassian.com/t5/Sourcetree-questions/error-pack-objects-died-of-signal-9/qaq-p/21・・・
結城浩 on Twitter: "error: pack-objects died of signal 9 error: git upload ...
https://twitter.com/hyuki/status/41733017047285760
Debugging git issue ・ hbons/SparkleShare Wiki ・ GitHub
https://github.com/hbons/SparkleShare/wiki/Debugging-git-issue
Failed to clone drupal/core ・ Issue #431 ・ drupal-composer ... - GitHub
https://github.com/drupal-composer/drupal-project/issues/431