[arch-haskell] haskell-src-exts: Illegal instruction (core dumped)

[Nicola Squartini]

Version 1.15.0 of HSE was not compiled with llvm, was it? At least from
what I see from the git history.


On Sat, Apr 26, 2014 at 10:39 AM, Nicola Squartini <tensor5 at gmail.com>wrote:

> I opened a ticket a few days ago already
> https://ghc.haskell.org/trac/ghc/ticket/8991 but no answer. I guess it's
> difficult to reproduce.
>
> In fact if I recompile HSE  using your same PKGBUILD, it works fine!
> I'm using llvm-3.4-1 and glibc-2.19-3. I wonder what could be different
> between your build environment and mine.
> Very strange!
>
>
> On Sat, Apr 26, 2014 at 9:19 AM, Magnus Therning <magnus at therning.org>wrote:
>
>> On Fri, Apr 25, 2014 at 04:10:37PM +0200, Nicola Squartini wrote:
>> > Hi,
>> >
>> > I already mentioned this problem earlier on this mailing list, but now I
>> > have some extra information.
>> >
>> > It's the following (on GHCi):
>> >
>> > Prelude> :m Language.Haskell.Exts
>> > Prelude Language.Haskell.Exts> parseFileContents "main = putStrLn
>> \"Hello
>> > World\""
>> > Loading package array-0.5.0.0 ... linking ... done.
>> > Loading package filepath-1.3.0.2 ... linking ... done.
>> > Loading package deepseq-1.3.0.2 ... linking ... done.
>> > Loading package old-locale-1.0.0.6 ... linking ... done.
>> > Loading package time-1.4.2 ... linking ... done.
>> > Loading package bytestring-0.10.4.0 ... linking ... done.
>> > Loading package unix-2.7.0.1 ... linking ... done.
>> > Loading package directory-1.2.1.0 ... linking ... done.
>> > Loading package old-time-1.1.0.2 ... linking ... done.
>> > Loading package text-1.1.0.1 ... linking ... done.
>> > Loading package polyparse-1.9 ... linking ... done.
>> > Loading package cpphs-1.18.4 ... linking ... done.
>> > Loading package pretty-1.1.1.1 ... linking ... done.
>> > Loading package haskell-src-exts-1.15.0.1 ... linking ... done.
>> > Illegal instruction (core dumped)
>> >
>> >
>> > This affects everything that depends on haskell-src-exts, like hlint and
>> > stylish-haskell.
>> > The bug shows up only on my two AMD Athlon II X2 computers, but not on
>> my
>> > other Intel Sandybridge.
>> >
>> > I think it is related to -fllvm flag because I didn't have this bug with
>> > the 1.15.0 version, which didn't have the flag.
>> >
>> > Can someone with similar AMD architecture try to replicate it, please?
>>
>> Ouch!  The reason for using LLVM is this:
>> http://ghc.haskell.org/trac/ghc/ticket/8768
>>
>> So you probably should raise this as a ticket against GHC.
>>
>> I hope the last comment on that ticket is correct and that it's fixed
>> in 7.8.3.
>>
>> /M
>>
>> --
>> Magnus Therning                      OpenPGP: 0xAB4DFBA4
>> email: magnus at therning.org   jabber: magnus at therning.org
>> twitter: magthe               http://therning.org/magnus
>>
>> In a hierarchy, every employee tends to rise to his level of incompetence.
>>      -- The Peter Principle
>>
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>>
>
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