152928 2016-01-08 14:12:18 -0800 run-webkit-tests wedges forever when stderr has a very long line of output 2016-01-08 14:15:06 -0800 1 1 1 Unclassified WebKit Tools / Tests Safari 9 Unspecified Unspecified NEW P2 Normal --- 1 beidson webkit-unassigned lforschler oldest_to_newest 1154008 0 beidson 2016-01-08 14:12:18 -0800 run-webkit-tests wedges forever when stderr has a very long line of output Steps to reproduce: 1 - Build ToT WebKit 2 - Turn on IndexedDB logging in WebCore: `defaults write -g WebCoreLogging IndexedDB` 3 - `run-webkit-tests -1 imported/w3c/indexeddb/keyorder.htm` run-webkit-tests will hang "forever", not even timing out the test. python is using 100% CPU doing lots of symbol-less busywork. 1154010 1 beidson 2016-01-08 14:15:06 -0800 The line of output is about 239k