Hi, Austin, thank you for explanation.
Fortunately or unfortunately, I can build GHC head today without any reverting. I will reset the GHC tree to yesterday and try again. --Kazu > Hello Kazu, thank you for the help! > > Here is the easiest way to get the output. First, run 'make' once by > itself and make sure the build fails pretty quickly as a result of > your error (always good to double check.) > > Next, when you do that, you will see the command that caused that > error. It's the one you posted in the original email, in fact - the > command invoking "ghc-stage1". You can copy and paste that command > right back into the terminal and run it in order to reproduce the > failure. Make sure you're at the root of the GHC source tree as well: > > $ cd ~/path/to/ghc-HEAD > $ "inplace/bin/ghc-stage1" -hisuf hi -osuf ... -dyno > compiler/stage2/build/Coverage.dyn_o > > This should fail with the exact same error. > > Finally, all you need to do is this: > > 1. Add -ddump-cmm to the command line. Anywhere will work. > 2. Pipe the output somewhere. Alternatively, you can copy/paste it out > of your terminal buffer. > > So: > > $ "inplace/bin/ghc-stage1" -ddump-cmm -hisuf hi -osuf ... -dyno > compiler/stage2/build/Coverage.dyn_o 2>&1 > log.txt > > Double check the log.txt file - it should contain a lot of C-- output > (thousands of lines, probably.) That's what Jan needs. > > On Sun, Sep 8, 2013 at 4:24 PM, Kazu Yamamoto <k...@iij.ad.jp> wrote: >> Hi, >> >>> Good, we have a culprit then. Kazu, would you be willing to do a >>> couple of things to provide me with more information? I'd need the >>> Cmm dump that causes the panic. Also, tomorrow I'll add more >>> information to this panic so that we get back name of offending code >>> block - this should make debugging easier for me. >> >> OK. I understand more information is necessary for you. I can >> help. Please tell me exact operation sequences. >> >> --Kazu >> >> _______________________________________________ >> ghc-devs mailing list >> ghc-devs@haskell.org >> http://www.haskell.org/mailman/listinfo/ghc-devs > > > > -- > Regards, > Austin - PGP: 4096R/0x91384671 _______________________________________________ ghc-devs mailing list ghc-devs@haskell.org http://www.haskell.org/mailman/listinfo/ghc-devs
