Opened 5 years ago

Closed 4 years ago

#10151 closed bug (invalid)

Compilation failed on mac, ghc: panic! (the 'impossible' happened)

Reported by: jaseemabid Owned by:
Priority: normal Milestone:
Component: GHCi Version: 7.8.3
Keywords: Cc: hvr
Operating System: MacOS X Architecture: Unknown/Multiple
Type of failure: GHCi crash Test Case:
Blocked By: Blocking:
Related Tickets: Differential Rev(s):
Wiki Page:


I was experimenting in ghci and this happened.

ghc: panic! (the 'impossible' happened)
  (GHC version 7.8.3 for x86_64-apple-darwin):
	Loading temp shared object failed: dlopen(/var/folders/mj/k7lrnmkn13v753mbj7q6fmy00000gn/T/ghc32761_0/ghc32761_77.dylib, 9): Symbol not found: __hpc_tickboxes_lisperzm0zi1zi0zi0_LisperziCore_hpc
  Referenced from: /var/folders/mj/k7lrnmkn13v753mbj7q6fmy00000gn/T/ghc32761_0/ghc32761_77.dylib
  Expected in: flat namespace
 in /var/folders/mj/k7lrnmkn13v753mbj7q6fmy00000gn/T/ghc32761_0/ghc32761_77.dylib

Complete source code of the project that caused this: ghc version: 7.8.3

Change History (4)

comment:1 Changed 5 years ago by trommler

Cc: hvr added
Component: CompilerGHCi
Status: newinfoneeded
Type of failure: None/UnknownGHCi crash

This looks like #10058 which is fixed in HEAD. Can you try your code with HEAD?

comment:2 Changed 4 years ago by jaseemabid

I hit a similar error and it might be related.

Source: (Its a different project, but similar build and libraries) Version: ac4100f4f9ed09fcba4c482f3c245fc5837324b1

$ cabal test

Preprocessing library functorrent- In-place registering functorrent- Preprocessing test suite 'lisper-test' for functorrent- Linking dist/build/lisper-test/lisper-test ... Undefined symbols for architecture x86_64:

"_functorrentzm0zi1zi0zi0_FuncTorrentziUtils_zdwsplitN_closure", referenced from:

_S7Tj_srt in libHSfunctorrent- _SeM6_srt in libHSfunctorrent-

"_functorrentzm0zi1zi0zi0_FuncTorrentziUtils_zdwsplitN_info", referenced from:

_c8uZ_info in libHSfunctorrent- _c8yP_info in libHSfunctorrent- _functorrentzm0zi1zi0zi0_FuncTorrentziTracker_zdwurlEncodeHash_info in libHSfunctorrent- _cfnK_info in libHSfunctorrent-

ld: symbol(s) not found for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invocation)

Public build:

comment:3 Changed 4 years ago by jaseemabid

The same can be compiled with Emacs' haskell-mode and the it runs fine. Its an issue only when invoked through cabal test

Last edited 4 years ago by jaseemabid (previous) (diff)

comment:4 Changed 4 years ago by mpickering

Resolution: invalid
Status: infoneededclosed

He was missing a module in his cabal file.

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