merge revision(s) a8c2d5e7bee5fad0965baeb58d312ddc5932ec26: [Backport #20907]
Ensure fiber scheduler re-acquires mutex when interrupted from sleep. (#12158) [Bug #20907]
merge revision(s) a8c2d5e7bee5fad0965baeb58d312ddc5932ec26: [Backport #20907]