Re: Summary of GHC 6.6 test suite failures on MSYS/MinGW

On 9/26/06, Simon Marlow <simonmarhaskell@xxxxxxxxx
> wrote:

Brian Smith wrote:
> Now, when I tried to rerun the tests against the latest ghc-6.6, ghc.exe
> is segfaulting on ffi012(ghci), conc049(ghci), and conc023(ghci):
>
> Unhandled exception at 0x0207fc58 in ghc.exe: 0xC0000005: Access violation.

That's a bit worrying...

This is caused by Data Execution Prevention. When I disable DEP for stage2/ghc.exe, these programs do not segfault; instead ff012 and conc023 fail while conc049 passes. When I enable DEP, all three segfault.

http://hackage.haskell.org/trac/ghc/ticket/885 seems to be the relevant issue. I am using a Core Duo processor instead of an Athlon, but the gist is the same.

The reason I did not notice this earlier was because I just turned on DEP for all programs in the days between the first time I ran the test suite against 6.6 and this most recent time.

Regards,
Brian

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