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Date: Tue, 07 Jul 2015 15:37:25 -0400
From: Ken Brown <kbrown@cornell.edu>
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To: cygwin@cygwin.com
Subject: Re: [ANNOUNCEMENT] TEST RELEASE: Cygwin 2.1.0-0.4
References: <announce.20150705213417.GH2918@calimero.vinschen.de> <5599E4C5.1010109@cornell.edu> <20150706100158.GJ2918@calimero.vinschen.de> <559A7F74.1000402@cornell.edu> <20150706144555.GR2918@calimero.vinschen.de> <559AA4C8.30309@cornell.edu> <20150706163424.GV2918@calimero.vinschen.de> <20150707154916.GB2918@calimero.vinschen.de> <559C14D2.1000303@cornell.edu> <20150707184952.GA27472@calimero.vinschen.de>
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On 7/7/2015 2:49 PM, Corinna Vinschen wrote:
> I spoke too soon.  This *is* a result of the alternate stack handling.
> When the exception occurs while running on the alternate stack, the OS
> exception handler checks if the stack pointer is valid, and since it's
> not in the stackarea as stored in the TEB, it treats the stack as
> corrupted.  That's why it stops calling the SEHs.
>
> In the meantime I found a workaround for this problem with only a very
> marginal performance hit.  I applied it to the repo and I'm just in the
> process of creatsing new snapshots.  If the snapshots work for you I
> create another test release.

They work for me.  I guess I can go ahead and file that emacs bug 
report.  Thanks.

Ken


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