Simon, for what it's worth, I sporadically (< once per month) see this test timing out on Phabricator. Latest occurence: https://phabricator.haskell.org/harbormaster/build/5904/?l=0 Thomas On Fri, Jun 26, 2015 at 10:32 AM, simonmar (Simon Marlow) < noreply@phabricator.haskell.org> wrote:

simonmar committed rGHCbe0ce8718ea4: Fix for crash in setnumcapabilities001 (authored by simonmar).

Fix for crash in setnumcapabilities001

getNewNursery() was unconditionally incrementing next_nursery, which is normally fine but it broke an assumption in storageAddCapabilities(). This manifested as an occasional crash in the setnumcapabilities001 test.