bug report

[Bulat Ziganshin]

Hello Simon,

Wednesday, January 04, 2006, 11:22:50 AM, you wrote:

Simon, look at 2E9B33CE230409489A7ED37E5E34090F02CF4AB4 at EUR-MSG-20.europe.corp.microsoft.com

part of this SimonM's letter:

If anyone is interested, this turned out to be a bug in the Network.BSD
module, namely that getHostByName isn't thread safe because it is based
on the C library function gethostbyname(), which returns data in a
single static area.


SPJ> Meanwhile, you've definitely hit a bug.  Can you make a reproducible
SPJ> test case so we can look into it?

SPJ> | a.out: internal error: scavenge_stack: weird activation record found
SPJ> on stack: 6
SPJ> |     Please report this as a bug to glasgow-haskell-bugs at haskell.org,
SPJ> |     or http://www.sourceforge.net/projects/ghc/
SPJ> | 
SPJ> | I'm not sure whether or not it makes a difference, but I got the error
SPJ> | message above directly after the following error message:
SPJ> | 
SPJ> | a.out: getHostByName: does not exist (no such host entry)
SPJ> | 
SPJ> | I've been able to determine that this is not a sporadic error. In
SPJ> | fact, this happens every time I get a "getHostByName: does not exist
SPJ> | (no such host entry)" error message. I can make this happen whenever I
SPJ> | want.
SPJ> | 


-- 
Best regards,
 Bulat                            mailto:bulatz at HotPOP.com