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Date:	Thu, 09 Aug 2012 23:38:47 -0400
From:	"Larry Hall (Cygwin)" <reply-to-list-only-lh AT cygwin DOT com>
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Subject:	Re: Random segmentation faults since upgrade to Cygwin 1.7.16
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On 8/9/2012 9:33 PM, Buist, Eric wrote:
> Hi,
>
> I am running Cygwin 1.7 under Windows 7 64 bits for some time without
> problems, except it is sometimes slow when performing tab completion.
>
> But after I upgraded to Cygwin 1.7.16, no more Cygwin tool is working
> correctly. Even simple commands such as ls, uname, dirname, or bash -version
> return nothing or crash with segmentation fault. I tried using the setup to
> downgrade to Cygwin 1.7.15 without success. I tried reinstalling Cygwin
> completely and got the 1.7.16 again, without any change. I then tried
> downgrading to Cygwin 1.7.9 from an old tar.bz2 file I had. I got a bit more
> success, but dirname was returning nothing at all. I tried running as an
> Administrator, tried Windows XP compatibility mode: no change. I tried a
> 1.7.17 snapshot Cygwin DLL: no change. Any search on Google or mailing list
> archives give completely off-topic segmentation faults about programs
> compiled with GCC, but I am not compiling anything, just running precompiled
> tools. Even if I reinstall Cygwin, I will get the new 1.7.16 DLL and that
> will crash again. It seems I will really have to try this in a Windows XP
> virtual machine, but that is a lot of work for something that was working
> correctly before. I don't have any old downloaded Cygwin files I could use
> to reinstall a complete old stack so I am quite stuck.

If a complete reinstall of all packages didn't resolve the problem, I'd
suspect one of the following FAQs are coming into play:

<http://cygwin.com/faq-nochunks.html#faq.using.multiple-copies>
<http://cygwin.com/faq-nochunks.html#faq.using.bloda>
<http://cygwin.com/faq-nochunks.html#faq.using.fixing-fork-failures>

It's also possible that you just installed with some Cygwin process
(perhaps a service) still running.  Try a reboot.

If none of the above helps, please see the problem reporting guidelines
found at the link below.

> Problem reports:       http://cygwin.com/problems.html

This will help you formulate a complete problem report with any
follow-up posting.


-- 
Larry

_____________________________________________________________________

A: Yes.
 > Q: Are you sure?
 >> A: Because it reverses the logical flow of conversation.
 >>> Q: Why is top posting annoying in email?

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