#15010: Application (warp) server crashing periodically with "TSO object entered" -------------------------------------+------------------------------------- Reporter: ramirez7 | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: 8.4.3 Component: Runtime System | Version: 8.0.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: Runtime crash | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by simonmar): The error is an internal error in the runtime system or compiled code, and doesn't tell us very much unfortunately. A wide variety of different kinds of problems can lead to this symptom. I'm not aware of any known bugs in this area. To narrow this down we'll need to be able to reproduce it and debug it. Anything you could do to produce a standalone reproduction for the bug would be really helpful. Failing that if you could provide a binary and a core dump, that might also let us dig around and get more information. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15010#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler

#15010: Application (warp) server crashing periodically with "TSO object entered" -------------------------------------+------------------------------------- Reporter: ramirez7 | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: 8.4.3 Component: Runtime System | Version: 8.0.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: Runtime crash | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by bgamari): Can you offer any information about the nature of your application? Does it use concurrency? STM? Make heavy use of exceptions? Any additional information would be helpful. Of course, a core dump would also be extremely helpful. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15010#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler

#15010: Application (warp) server crashing periodically with "TSO object entered" -------------------------------------+------------------------------------- Reporter: ramirez7 | Owner: (none) Type: bug | Status: infoneeded Priority: normal | Milestone: 8.10.1 Component: Runtime System | Version: 8.0.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: Runtime crash | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by sseverance): I hit something similar last night. Unfortunately I don't have a way to make a repro but will provide what information I do have in case it helps eventually. Our app is a server, although not a web server. We make extensive use of the STM and there may be hundreds of threads running at a time. I would say there are a moderate amount of exceptions, mostly forced on us from their use in other libraries, as we tend not to use them. Happy to provide more specific info if I can. App was started with the following parameters: +RTS -N -qg1 -A5m -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15010#comment:7 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler