When we ported this patch to our branch, we fixed this hang as well:
https://code.launchpad.net/~percona-dev/percona-server/fb_changes_auto_lru_dump/+merge/46012
When we ported this patch to our branch, we fixed this hang as well:
https://code.launchpad.net/~percona-dev/percona-server/fb_changes_auto_lru_dump/+merge/46012