#3918: Got internal error: stg_ap_v_ret when call forkProcess
------------------------------------+---------------------------------------
    Reporter:  guest                |        Owner:               
        Type:  bug                  |       Status:  new          
    Priority:  normal               |    Milestone:  6.12.3       
   Component:  Runtime System       |      Version:  6.12.1       
    Keywords:  stg_ap_v_ret gtk2hs  |   Difficulty:               
          Os:  Linux                |     Testcase:               
Architecture:  x86_64 (amd64)       |      Failure:  Runtime crash
------------------------------------+---------------------------------------
Changes (by simonmar):

  * failure:  None/Unknown => Runtime crash
  * component:  Compiler => Runtime System
  * milestone:  => 6.12.3


Old description:

> For recur this bug, you need install gtk2hs, dbus-core, dbus-client
> first.
>
> Then use below command to compile:
> ghc --make -threaded Main.hs
>
> Then run ./Main in terminal, and press key "c" in program, then it will
> create new tab in program.
>
> For recur this bug, you need press "c" sometimes (4 or 5 at least), then
> you will got below error:
>
> ***************
> Debug-> in socket process (before `forkProcess`):
>
> Main: internal error: stg_ap_v_ret
>     (GHC version 6.12.1 for x86_64_unknown_linux)
>     Please report this as a GHC bug:
> http://www.haskell.org/ghc/reportabug
>
> I have test, this bug just happen when i call function `forkProcess`.
>
> You can get source code from attach.
>
>    -- Andy

New description:

 For recur this bug, you need install gtk2hs, dbus-core, dbus-client first.

 Then use below command to compile:
 {{{
 ghc --make -threaded Main.hs
 }}}
 Then run `./Main` in terminal, and press key "c" in program, then it will
 create new tab in program.

 For recur this bug, you need press "c" sometimes (4 or 5 at least), then
 you will got below error:

 {{{
 ***************
 Debug-> in socket process (before `forkProcess`):

 Main: internal error: stg_ap_v_ret
     (GHC version 6.12.1 for x86_64_unknown_linux)
     Please report this as a GHC bug:
 http://www.haskell.org/ghc/reportabug
 }}}

 I have test, this bug just happen when i call function `forkProcess`.

 You can get source code from attach.

    -- Andy

--

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3918#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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