GHC 6.4.3 is stalled

Bulat Ziganshin bulat.ziganshin at
Sat Jul 29 08:59:23 EDT 2006

Hello Simon,

Friday, July 28, 2006, 5:30:47 PM, you wrote:

>> on 6.4.1 threaded RTS was used only in specially build libs. in
>> debugging versions of libs and GHCi single-threaded RTS was used.
>> developers of threaded programs was complaining about this situation
>> because it makes their debugging much harder. so, in 6.4.2 ghci (and
>> ghc) and debugging libraries was changed to use threaded RTS
>> obvious workaround is to continue to build GHC and debugging libs with
>> non-threaded RTS on the platforms where multi-threaded RTS is not
>> reliable yet

> Not sure what you mean by "debugging libs" here.

i'm not sure myself :)  may be it was profiling versions of libraries?
btw, afair, Joel Reymont was bitten by this problem in 6.4.1

Best regards,
 Bulat                            mailto:Bulat.Ziganshin at

More information about the Glasgow-haskell-users mailing list