I might have fixed or at least severely improved situation with this bug in part1 of patch in bug 1224063.
6 automation job failures were associated with this bug in the last 7 days. Repository breakdown: * mozilla-central: 4 * mozilla-inbound: 1 * b2g-inbound: 1 Platform breakdown: * mulet-linux64: 5 * b2g-linux64: 1 For more details, see: https://brasstacks.mozilla.com/orangefactor/?display=Bug&bugid=1192843&startday=2015-12-14&endday=2015-12-20&tree=all
Closing all intermittent test failures for Firefox OS (since we're not focusing on it anymore). Please reopen if my search included your bug by mistake.