On Wed 10.12 13:55, Simon Marlow wrote: Hi!
> >>>I checked out and translated the head version of ghc today from darcs. > >>>It compiled fine. When I now try to start the ghci I get the following: > >>> > >>>---- snip ---- > >>>GHCi, version 6.11.20081126: http://www.haskell.org/ghc/ :? for help > >>>ghc: internal error: loadObj: failed to mmap() memory below 2Gb; asked > >>>for 626688 bytes at 0x40000000, got 0x801635000. Try specifying an > >>>address with +RTS -xm<addr> -RTS > >>> (GHC version 6.11.20081126 for x86_64_unknown_freebsd) > >>> Please report this as a GHC bug: > >>> http://www.haskell.org/ghc/reportabug > >>> Abort (core dumped) > >>>---- snip ---- > >>> > >>>If it helps somehow, you can find the core dump here: > >>>http://www.alios.org/~alios/ghc.core.bz2 > >>That's odd, because 6.8.3 is using 0x40000000 on FreeBSD and is working > >>fine (or is it?). > > > >yes, it worked, but I haven't installed anymore - so I'am not sure, where > >it > >does maps its stuff into memory. > > The memory map shows that there's nothing mapped in at the place we're > asking for memory, but still FreeBSD decides to give us memory somewhere > else. I checked back in 6.8.3 and it looks like we were using MAP_FIXED - > now MAP_FIXED is dangerous, because it will overwrite existing mappings > (like the binary itself!), which is why we're not doing that now. > > I've committed a patch that uses MAP_FIXED on FreeBSD if other attempts to > get memory below 2Gb fail. I'd be grateful if you could test it out, the > patch is this one, pushed to HEAD today: > > Wed Dec 10 11:57:51 GMT 2008 Simon Marlow <[email protected]> > * On FreeBSD, try MAP_FIXED if ordinary mmap() fails to give us suitable > memory > This appears to be necessary on FreeBSD. It might be necessary on > other OSs too, but I'm being cautious because using MAP_FIXED can lead > to crashes by overwriting existing mappings, and we have no (easy) way > to prevent that. I've updated my source tree today. But now I've problem while compiling the ghc Here is the the build output: [...] /usr/home/alios/src/haskell/ghc/ghc/ghc/stage1-inplace/ghc -DGHCI_TABLES_NEXT_TO_CODE -DSTAGE=2 -package-name ghc-6.11.20081211 -hide-all-packages -no-user-package-conf -i -idist-stage2/build -inativeGen -ibasicTypes -icmm -icodeGen -icoreSyn -icprAnalysis -ideSugar -ighci -ihsSyn -iiface -imain -iparser -iprelude -iprofiling -irename -isimplCore -isimplStg -ispecialise -istgSyn -istranal -itypecheck -itypes -iutils -ivectorise -idist-stage2/build/autogen -Idist-stage2/build/autogen -Idist-stage2/build -I../libffi/build/include -Istage2plus -I../libraries/base/cbits -I../libraries/base/include -I. -Iparser -Iutils -optP-DGHCI -optP-include -optPdist-stage2/build/autogen/cabal_macros.h -odir dist-stage2/build -hidir dist-stage2/build -stubdir dist-stage2/build -package Cabal-1.5.5 -package array-0.2.0.0 -package base-4.0.0.0 -package bytestring-0.9.1.4 -package containers-0.2.0.0 -package directory-1.0.0.2 -package filepath-1.1.0.1 -package haskell98-1.0.1.0 -package hpc-0.5.0.2 -package old-time-1.0.0.1 -package process-1.0.1.1 -package template-haskell-2.3.0.0 -package unix-2.3.1.0 -O -Wall -fno-warn-name-shadowing -fno-warn-orphans -XCPP -XMagicHash -XUnboxedTuples -XPatternGuards -XForeignFunctionInterface -XEmptyDataDecls -XTypeSynonymInstances -XMultiParamTypeClasses -XFlexibleInstances -XRank2Types -XScopedTypeVariables -XDeriveDataTypeable -prof -hisuf p_hi -hcsuf p_hc -osuf p_o -idist-stage2/build -H32m -O -Rghc-timing -O2 -c nativeGen/MachRegs.lhs -o dist-stage2/build/MachRegs.p_o -ohi dist-stage2/build/MachRegs.p_hi ghc: panic! (the 'impossible' happened) (GHC version 6.11.20081211 for x86_64-unknown-freebsd): CoreToStg.myCollectArgs (__scc {trivColorable ghc-6.11.20081211:MachRegs !} ghc-6.11.20081211:MachRegs.isSqueesed{v r2FI} [gid] 0 0) eta_s2Ni{v} [lid] Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug <<ghc: 303363536 bytes, 26 GCs, 4992000/12390400 avg/max bytes residency (4 samples), 40M in use, 0.00 INIT (0.00 elapsed), 0.57 MUT (0.84 elapsed), 0.25 GC (0.29 elapsed) :ghc>> gmake[4]: *** [dist-stage2/build/MachRegs.p_o] Error 1 gmake[3]: *** [all] Error 1 gmake[3]: Leaving directory `/usr/home/alios/src/haskell/ghc/ghc/compiler' gmake[2]: *** [build.stage.2] Error 2 gmake[2]: Leaving directory `/usr/home/alios/src/haskell/ghc/ghc/compiler' gmake[1]: *** [stage2] Error 2 gmake[1]: Leaving directory `/usr/home/alios/src/haskell/ghc/ghc' gmake: *** [bootstrap2] Error 2 Regards Markus -- Markus Barenhoff - Langemarckstr. 18 - D-48147 Münster - Germany - Europe - Earth Tel. +49-251-3956651 - Mob. +49-173-7215776 - e-mail: [email protected] jabber: [email protected] - icq: 27998346
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