February 2014 - ghc-tickets

Re: [GHC] #7850: Strangely high memory usage on optimized Ackermann function
by GHC 04 Feb '14

04 Feb '14

#7850: Strangely high memory usage on optimized Ackermann function --------------------------------------------+------------------------------ Reporter: dolio | Owner: Type: bug | Status: closed Priority: normal | Milestone: 7.6.3 Component: Compiler | Version: 7.6.2 Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Runtime performance bug | Unknown/Multiple Test Case: T7850 | Difficulty: Unknown Blocking: | Blocked By: | Related Tickets: --------------------------------------------+------------------------------ Comment (by thoughtpolice): Fixed and merged in HEAD. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7850#comment:33> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #7850: Strangely high memory usage on optimized Ackermann function
by GHC 04 Feb '14

04 Feb '14

#7850: Strangely high memory usage on optimized Ackermann function --------------------------------------------+------------------------------ Reporter: dolio | Owner: Type: bug | Status: closed Priority: normal | Milestone: 7.6.3 Component: Compiler | Version: 7.6.2 Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Runtime performance bug | Unknown/Multiple Test Case: T7850 | Difficulty: Unknown Blocking: | Blocked By: | Related Tickets: --------------------------------------------+------------------------------ Changes (by thoughtpolice): * status: merge => closed * resolution: => fixed -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7850#comment:32> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #5909: Segfault with multi-threaded retainer profiling
by GHC 04 Feb '14

04 Feb '14

#5909: Segfault with multi-threaded retainer profiling -----------------------------------+---------------------------------- Reporter: akio | Owner: simonmar Type: bug | Status: closed Priority: high | Milestone: 7.6.2 Component: Runtime System | Version: 7.4.1 Resolution: fixed | Keywords: Operating System: Linux | Architecture: x86_64 (amd64) Type of failure: Runtime crash | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: -----------------------------------+---------------------------------- Changes (by thoughtpolice): * cc: simonmar (added) * status: merge => closed * resolution: => fixed -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5909#comment:11> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #7636: threadStackUnderflow: not enough space for return values
by GHC 04 Feb '14

04 Feb '14

#7636: threadStackUnderflow: not enough space for return values ---------------------------------+---------------------------------- Reporter: mojojojo | Owner: simonmar Type: bug | Status: closed Priority: high | Milestone: 7.6.2 Component: Compiler | Version: 7.6.3 Resolution: fixed | Keywords: Operating System: MacOS X | Architecture: x86_64 (amd64) Type of failure: None/Unknown | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: ---------------------------------+---------------------------------- Changes (by thoughtpolice): * status: merge => closed * resolution: => fixed Comment: Closing. There won't be a 7.6.4 as we're doing 7.8 right now. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7636#comment:17> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #7646: resource busy (file is locked) with multi-threaded file ops
by GHC 04 Feb '14

04 Feb '14

#7646: resource busy (file is locked) with multi-threaded file ops ------------------------------------------------+-------------------------- Reporter: StefanWehr | Owner: Type: bug | simonmar Priority: high | Status: closed Component: libraries/base | Milestone: 7.6.3 Resolution: fixed | Version: 7.6.2 Operating System: Unknown/Multiple | Keywords: Type of failure: Incorrect result at runtime | Architecture: Test Case: | Unknown/Multiple Blocking: | Difficulty: | Unknown | Blocked By: | Related Tickets: ------------------------------------------------+-------------------------- Changes (by thoughtpolice): * status: merge => closed * resolution: => fixed Comment: Fixed in 7.8/HEAD. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7646#comment:7> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #8690: Failed to compile Win32 libraries using 64 bit GHC.
by GHC 04 Feb '14

04 Feb '14

#8690: Failed to compile Win32 libraries using 64 bit GHC. -----------------------------------+--------------------------------------- Reporter: | Owner: andrewrademacher | Status: new Type: bug | Milestone: Priority: normal | Version: 7.6.3 Component: Compiler | Operating System: Windows Keywords: | Type of failure: Compile-time crash Architecture: x86_64 (amd64) | Test Case: Difficulty: Unknown | Blocking: Blocked By: | Related Tickets: | -----------------------------------+--------------------------------------- Loading package Win32-2.3.0.0 ... linking ... ghc.exe: internal error: R_X86_64_PC32: High bits are set in 7ffb728ca4d4 for DefDlgProcW (GHC version 7.6.3 for x86_64_unknown_mingw32) -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8690> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #367: Infinite loops can hang Concurrent Haskell
by GHC 03 Feb '14

03 Feb '14

#367: Infinite loops can hang Concurrent Haskell -------------------------------------+------------------------------------- Reporter: simonpj | Owner: ezyang Type: bug | Status: new Priority: lowest | Milestone: _|_ Component: Compiler | Version: 6.4.1 Resolution: None | Keywords: scheduler Operating System: Unknown/Multiple | allocation Type of failure: Incorrect result | Architecture: Unknown/Multiple at runtime | Difficulty: Unknown Test Case: | Blocked By: concurrent/should_run/T367, | Related Tickets: concurrent/should_run/T367_letnoescape| Blocking: | -------------------------------------+------------------------------------- Changes (by jstolarek): * testcase: => concurrent/should_run/T367, concurrent/should_run/T367_letnoescape -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/367#comment:38> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #8729: Compile crashed with panic! (the 'impossible' happened)
by GHC 02 Feb '14

02 Feb '14

#8729: Compile crashed with panic! (the 'impossible' happened) -------------------------------------+------------------------------------- Reporter: zabirauf | Owner: Type: bug | Status: new Priority: high | Milestone: Component: Compiler | Version: 7.4.1 Keywords: panic! impossible | Operating System: Linux compiler crash | Type of failure: Compile-time Architecture: x86_64 (amd64) | crash Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | -------------------------------------+------------------------------------- The following code results in a compiler crash with error ghc: panic! (the 'impossible' happened) (GHC version 7.4.1 for x86_64-unknown-linux): nameModule show{tv a9N} Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug The code can be found at [http://pastie.org/8692515] -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8729> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #7134: ghc-7.6.0.20120810-x86_64-windows.exe -> internal error R_X86_64_PC32
by GHC 01 Feb '14

01 Feb '14

#7134: ghc-7.6.0.20120810-x86_64-windows.exe -> internal error R_X86_64_PC32 -------------------------------+---------------------------------- Reporter: cetinsert | Owner: thoughtpolice Type: bug | Status: patch Priority: highest | Milestone: 7.8.1 Component: GHCi | Version: 7.6.1-rc1 Resolution: | Keywords: R_X86_64_PC32 Operating System: Windows | Architecture: x86_64 (amd64) Type of failure: GHCi crash | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: -------------------------------+---------------------------------- Comment (by awson): Finally ironed out the egregious bug which causes numerical segfaults here and there. The culprit is 4179-4185 lines part (redundant {{{ghciInsertSymbolTable}}}). Other changes are tiny fixes (not particularly important). This also fixes #8717. I've closed it as "invalid" then. Please apply to 7.8 and HEAD. Thanks. -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7134#comment:57> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #4426: Simplify the rules for implicit quantification
by GHC 01 Feb '14

01 Feb '14

#4426: Simplify the rules for implicit quantification -------------------------------------+------------------------------------ Reporter: simonpj | Owner: Type: feature request | Status: patch Priority: low | Milestone: 7.10.1 Component: Compiler | Version: 6.12.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Unknown/Multiple Type of failure: None/Unknown | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: #7880 -------------------------------------+------------------------------------ Comment (by hvr): Replying to [comment:11 monoidal]: > I've updated the patches again - three above files are ready for GHC 7.10. The patch for hackage:haskeline would have to go via https://github.com/judah/haskeline though... -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4426#comment:12> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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