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Re: New 64 bit Cygwin DLL (was Re: [Cygwin64] dash segfault)


On Mar 15 16:51, Corinna Vinschen wrote:
> I just uploaded a new 64 bit Cygwin package 1.7.18-7.
> 
> I'm carefully hopeful that this finally fixes the random crashes we all
> encountered in various scenarios.  Today it occured to me that all "my"
> crashes happen in forked processes.  I discussed this with Kai and while
> looking into this issue, Kai pointed out that the pseudo relocator might
> be called too late in a forked child.  That seemed to be exactly our
> issue, since the too-late call would end up relocating already relocated
> data, so data and bss segment might contain random pointers in a forked
> child.
> 
> After moving the call to an earlier point, the crashes were gone.  While
> on the way, I also added a few other changes, mostly centered around
> reliability issues, as well as stack alignment issues in the
> auto-generated assembler code.
> 
> So I'd like to urge you to update to the latest 1.7.18-7 package and try
> your various scenarios again over the weekend.

Or not.  Please wait a while.  I'll upload a -8 package soon.  I found
an issue with perl right after uploading and I have a strange problem 
with bash right now.  Talk about reliability changes... sigh.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat


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