#10629: threadWaitRead throws BlockedIndefinitelyOnMVar -------------------------------------+------------------------------------- Reporter: | Owner: simonmar facundo.dominguez | Status: new Type: bug | Milestone: Priority: normal | Version: 7.10.1 Component: Runtime System | Keywords: Resolution: | concurrency sockets Operating System: Linux | Architecture: Type of failure: Incorrect result | Unknown/Multiple at runtime | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Revisions: -------------------------------------+------------------------------------- Comment (by slyfox): stderr is preferred as it shows MVar addresses and thread states on each GC cycle (I wonder if it's a logging bug or feature): {{{ all threads: threads on capability 0: other threads: thread 4 @ 0x7f526d10b388 is blocked on an MVar @ 0x7f526d10aa50 (TSO_DIRTY) thread 3 @ 0x7f526d105d20 ["TimerManager"] is blocked on an external call (TSO_DIRTY) thread 2 @ 0x7f526d1058f0 ["IOManager on cap 0"] is blocked on an external call (TSO_DIRTY) }}} I hope to see file descriptor ID/MVar history for thread killed by BlockedIndefinitelyOnMVar. Human readable thread names are set with '''labelThread'''. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10629#comment:7 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler