tryReadMVar locks up the process with +RTS -N2 or greater
The new tryReadMVar is missing an unlockClosure call, which causes the whole process to hang when used with +RTS -N2 or greater. I'll push the fix shortly. We should treat this as a blocker for 7.8.3.
Trac metadata
| Trac field | Value |
|---|---|
| Version | 7.8.2 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | highest |
| Resolution | Unresolved |
| Component | Runtime System |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | ezyang, simonmar |
| Operating system | |
| Architecture |