I created a ticket: https://ghc.haskell.org/trac/ghc/ticket/12946
On 7 December 2016 at 16:37, <domi...@steinitz.org> wrote: > Hi Simon, > > Thanks for getting back. > > 1. Without -prof and -fexternal-interpreter, the program runs fine. > > 2. With just -prof, the program runs fine. > > 3. With just -fexternal-interpreter, I get the error below. > > Dominic. > > On 7 Dec 2016, at 13:52, Simon Marlow <marlo...@gmail.com> wrote: > > Hi Dominic - this looks like a problem with loading hmatrix into GHCi. > Does it load without -prof and -fexternal-interpreter? How about with just > -fexternal-interpreter? > > Cheers > SImon > > On 5 December 2016 at 12:20, Dominic Steinitz <domi...@steinitz.org> > wrote: > >> I am trying to debug a package in which there is a divide by 0 error and >> attempting to use Simon Marlow’s stack traces: >> https://simonmar.github.io/posts/2016-02-12-Stack-traces-in-GHCi.html. >> However ghci is complaining about missing symbols. What do I need to add >> to the command line to coax ghci into giving me a stack trace? >> >> > ~/Dropbox/Private/Stochastic/demo $ ghci -fexternal-interpreter -prof >> fe-handling-example.o -i../../monad-bayes/src >> -package-db=.cabal-sandbox/x86_64-osx-ghc-8.0.1-packages.conf.d >> > GHCi, version 8.0.1: http://www.haskell.org/ghc/ :? for help >> > Prelude> :l app/Main.hs >> > [ 1 of 16] Compiling Control.Monad.Bayes.LogDomain ( >> ../../monad-bayes/src/Control/Monad/Bayes/LogDomain.hs, interpreted ) >> > [ 2 of 16] Compiling Control.Monad.Bayes.Primitive ( >> ../../monad-bayes/src/Control/Monad/Bayes/Primitive.hs, interpreted ) >> > [ 3 of 16] Compiling Control.Monad.Bayes.Class ( >> ../../monad-bayes/src/Control/Monad/Bayes/Class.hs, interpreted ) >> > [ 4 of 16] Compiling Control.Monad.Bayes.Sampler ( >> ../../monad-bayes/src/Control/Monad/Bayes/Sampler.hs, interpreted ) >> > [ 5 of 16] Compiling Control.Monad.Bayes.Sequential ( >> ../../monad-bayes/src/Control/Monad/Bayes/Sequential.hs, interpreted ) >> > [ 6 of 16] Compiling Control.Monad.Bayes.Prior ( >> ../../monad-bayes/src/Control/Monad/Bayes/Prior.hs, interpreted ) >> > [ 7 of 16] Compiling Control.Monad.Bayes.Rejection ( >> ../../monad-bayes/src/Control/Monad/Bayes/Rejection.hs, interpreted ) >> > [ 8 of 16] Compiling Control.Monad.Bayes.Weighted ( >> ../../monad-bayes/src/Control/Monad/Bayes/Weighted.hs, interpreted ) >> > [ 9 of 16] Compiling Control.Monad.Bayes.Population ( >> ../../monad-bayes/src/Control/Monad/Bayes/Population.hs, interpreted ) >> > [10 of 16] Compiling Control.Monad.Bayes.Deterministic ( >> ../../monad-bayes/src/Control/Monad/Bayes/Deterministic.hs, interpreted ) >> > [11 of 16] Compiling Control.Monad.Bayes.Conditional ( >> ../../monad-bayes/src/Control/Monad/Bayes/Conditional.hs, interpreted ) >> > [12 of 16] Compiling Control.Monad.Bayes.Dist ( >> ../../monad-bayes/src/Control/Monad/Bayes/Dist.hs, interpreted ) >> > [13 of 16] Compiling Control.Monad.Bayes.Coprimitive ( >> ../../monad-bayes/src/Control/Monad/Bayes/Coprimitive.hs, interpreted ) >> > [14 of 16] Compiling Control.Monad.Bayes.Trace ( >> ../../monad-bayes/src/Control/Monad/Bayes/Trace.hs, interpreted ) >> > [15 of 16] Compiling Control.Monad.Bayes.Inference ( >> ../../monad-bayes/src/Control/Monad/Bayes/Inference.hs, interpreted ) >> > [16 of 16] Compiling Main ( app/Main.hs, interpreted ) >> > >> > app/Main.hs:92:7: warning: [-Wunused-matches] >> > Defined but not used: ‘a’ >> > >> > app/Main.hs:92:9: warning: [-Wunused-matches] >> > Defined but not used: ‘prevP’ >> > >> > app/Main.hs:92:15: warning: [-Wunused-matches] >> > Defined but not used: ‘prevZ’ >> > >> > app/Main.hs:106:5: warning: [-Wunused-do-bind] >> > A do-notation statement discarded a result of type ‘GHC.Prim.Any’ >> > Suppress this warning by saying >> > ‘_ <- ($) >> > error (++) "You are here " (++) show state (++) " " show >> p_obs’ >> > Ok, modules loaded: Main, Control.Monad.Bayes.LogDomain, >> Control.Monad.Bayes.Primitive, Control.Monad.Bayes.Class, >> Control.Monad.Bayes.Population, Control.Monad.Bayes.Conditional, >> Control.Monad.Bayes.Inference, Control.Monad.Bayes.Sampler, >> Control.Monad.Bayes.Rejection, Control.Monad.Bayes.Weighted, >> Control.Monad.Bayes.Sequential, Control.Monad.Bayes.Trace, >> Control.Monad.Bayes.Dist, Control.Monad.Bayes.Prior, >> Control.Monad.Bayes.Deterministic, Control.Monad.Bayes.Coprimitive. >> > *Main> main >> > ghc-iserv-prof: >> > lookupSymbol failed in relocateSection (relocate external) >> > /Users/dom/Dropbox/Private/Stochastic/demo/.cabal-sandbox/ >> lib/x86_64-osx-ghc-8.0.1/hmatrix-0.18.0.0-7aYEqJARQEvKY >> NyM4UGAPZ/libHShmatrix-0.18.0.0-7aYEqJARQEvKYNyM4UGAPZ_p.a: unknown >> symbol `___ieee_divdc3' >> > ghc-iserv-prof: Could not on-demand load symbol '_vectorScan' >> > >> > ghc-iserv-prof: >> > lookupSymbol failed in relocateSection (relocate external) >> > /Users/dom/Dropbox/Private/Stochastic/demo/.cabal-sandbox/ >> lib/x86_64-osx-ghc-8.0.1/hmatrix-0.18.0.0-7aYEqJARQEvKY >> NyM4UGAPZ/libHShmatrix-0.18.0.0-7aYEqJARQEvKYNyM4UGAPZ_p.a: unknown >> symbol `_vectorScan' >> > ghc-iserv-prof: Could not on-demand load symbol >> '_hmatrixzm0zi18zi0zi0zm7aYEqJARQEvKYNyM4UGAPZZ_InternalziVe >> ctorizzed_constantAux_closure' >> > >> > ghc-iserv-prof: >> > lookupSymbol failed in relocateSection (relocate external) >> > /Users/dom/Dropbox/Private/Stochastic/demo/.cabal-sandbox/ >> lib/x86_64-osx-ghc-8.0.1/hmatrix-0.18.0.0-7aYEqJARQEvKY >> NyM4UGAPZ/libHShmatrix-0.18.0.0-7aYEqJARQEvKYNyM4UGAPZ_p.a: unknown >> symbol `_hmatrixzm0zi18zi0zi0zm7aYEqJARQEvKYNyM4UGAPZZ_InternalziVe >> ctorizzed_constantAux_closure' >> > ghc-iserv-prof: Could not on-demand load symbol >> '_hmatrixzm0zi18zi0zi0zm7aYEqJARQEvKYNyM4UGAPZZ_InternalziMa >> trix_Matrix_con_info' >> > >> > ghc-iserv-prof: >> > lookupSymbol failed in relocateSection (relocate external) >> > /Users/dom/Dropbox/Private/Stochastic/demo/.cabal-sandbox/ >> lib/x86_64-osx-ghc-8.0.1/hmatrix-0.18.0.0-7aYEqJARQEvKY >> NyM4UGAPZ/libHShmatrix-0.18.0.0-7aYEqJARQEvKYNyM4UGAPZ_p.a: unknown >> symbol `_hmatrixzm0zi18zi0zi0zm7aYEqJARQEvKYNyM4UGAPZZ_InternalziMa >> trix_Matrix_con_info' >> > ghc-iserv-prof: Could not on-demand load symbol >> '_hmatrixzm0zi18zi0zi0zm7aYEqJARQEvKYNyM4UGAPZZ_InternalziEl >> ement_zgzl_info' >> > >> > ghc-iserv-prof: >> > lookupSymbol failed in relocateSection (relocate external) >> > /Users/dom/Dropbox/Private/Stochastic/demo/.cabal-sandbox/ >> lib/x86_64-osx-ghc-8.0.1/hmatrix-0.18.0.0-7aYEqJARQEvKY >> NyM4UGAPZ/libHShmatrix-0.18.0.0-7aYEqJARQEvKYNyM4UGAPZ_p.a: unknown >> symbol `_hmatrixzm0zi18zi0zi0zm7aYEqJARQEvKYNyM4UGAPZZ_InternalziEl >> ement_zgzl_info' >> > ghc-iserv-prof: Could not on-demand load symbol >> '_hmatrixzm0zi18zi0zi0zm7aYEqJARQEvKYNyM4UGAPZZ_InternalziUt >> il_zdfIndexableVectorDouble_closure' >> > >> > >> > ByteCodeLink.lookupCE >> > During interactive linking, GHCi couldn't find the following symbol: >> > hmatrixzm0zi18zi0zi0zm7aYEqJARQEvKYNyM4UGAPZZ_InternalziUtil >> _zdfIndexableVectorDouble_closure >> > This may be due to you not asking GHCi to load extra object files, >> > archives or DLLs needed by your current session. Restart GHCi, >> specifying >> > the missing library using the -L/path/to/object/dir and -lmissinglibname >> > flags, or simply by naming the relevant files on the GHCi command line. >> > Alternatively, this link failure might indicate a bug in GHCi. >> > If you suspect the latter, please send a bug report to: >> > glasgow-haskell-b...@haskell.org >> >> >> >> Dominic Steinitz >> domi...@steinitz.org >> http://idontgetoutmuch.wordpress.com >> >> _______________________________________________ >> Glasgow-haskell-users mailing list >> Glasgow-haskell-users@haskell.org >> http://mail.haskell.org/cgi-bin/mailman/listinfo/glasgow-haskell-users >> > > > Dominic Steinitz > domi...@steinitz.org > http://idontgetoutmuch.wordpress.com > >
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