X-Recipient: archive-cygwin AT delorie DOT com DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:subject:to:references:from:message-id:date :mime-version:in-reply-to:content-type; q=dns; s=default; b=M3qL zYfSvGEaR9+Wa96owDoYZ3slNc3tOnQgU45QGZasXiD5TQV621gi1D3YFxWqj53y zFrFRuyNWrkuQL6SBLKM566FQUpJUygZz//emFsbnvx0hun1360dPH5gDh2HKjc0 47YORzMiYFBJMknoNz/VAR/1J6QrkPOe+zv1rRE= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:subject:to:references:from:message-id:date :mime-version:in-reply-to:content-type; s=default; bh=c5Af0ZCk5g mjjrQvk1QjscPM3Xk=; b=DK+dxy+OWQE9qplsZBkmNgIU9ZJ415Gk4SIYVcN+t3 LAA2ExuhXi5Wpf2E4R2xVHZasN5Q7Yr5QVmB8B1bUVa0hrp05vifauCz1NMcEKw8 z0lTxGdyzCuHZMlTGA8ytjRy7jIYu1D8wZtPiSyNA2zNp8sBY1ceC4j7FOa4cOGk 4= Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.2 required=5.0 tests=AWL,BAYES_00,FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=ham version=3.3.2 X-HELO: mail-wm0-f45.google.com X-Received: by 10.28.21.196 with SMTP id 187mr38489291wmv.82.1448991638666; Tue, 01 Dec 2015 09:40:38 -0800 (PST) Subject: Re: fork issue when lauching cygwin64 process from 32bit native app on Windows 10 TH2 To: cygwin AT cygwin DOT com References: <565D762E DOT 4090109 AT gmail DOT com> <20151201112037 DOT GU2755 AT calimero DOT vinschen DOT de> <565D8D88 DOT 4080601 AT gmail DOT com> <20151201140105 DOT GW2755 AT calimero DOT vinschen DOT de> From: David Macek Message-ID: <565DDB8E.1090609@gmail.com> Date: Tue, 1 Dec 2015 18:40:30 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <20151201140105.GW2755@calimero.vinschen.de> Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms000301090001060000090907" X-IsSubscribed: yes --------------ms000301090001060000090907 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 1. 12. 2015 15:01, Corinna Vinschen wrote: > On Dec 1 21:07, nu774 wrote: >>> There must be a bug in the new CMD somewhere. But, anyway, I'll look >>> into it when I finally managed to update my W10 test machine. >> >> No, cmd.exe is just an example. Any 32bit process can be an trigger. >> I guess something has changed in TH2 kernel regarding process memory >> management or something that interferes cygwin's fork(). >=20 > If that only happens w/ 64 bit Cygwin started from a 32 bit parent, then > there's some foul-up in the WOW64 layer in terms of starting 64 bit > processes, perhaps. Sigh, it's a rather unexpected change after it > worked fine for so long :( Yup. I can confirm. --=20 David Macek --------------ms000301090001060000090907 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG 9w0BBwEAAKCCDG8wggYzMIIFG6ADAgECAgMMb3owDQYJKoZIhvcNAQELBQAw gYwxCzAJBgNVBAYTAklMMRYwFAYDVQQKEw1TdGFydENvbSBMdGQuMSswKQYD VQQLEyJTZWN1cmUgRGlnaXRhbCBDZXJ0aWZpY2F0ZSBTaWduaW5nMTgwNgYD VQQDEy9TdGFydENvbSBDbGFzcyAxIFByaW1hcnkgSW50ZXJtZWRpYXRlIENs aWVudCBDQTAeFw0xNDEyMzEwNDA5MDRaFw0xNjAxMDExNTQ4NTNaMEoxIDAe BgNVBAMMF2RhdmlkLm1hY2VrLjBAZ21haWwuY29tMSYwJAYJKoZIhvcNAQkB FhdkYXZpZC5tYWNlay4wQGdtYWlsLmNvbTCCASIwDQYJKoZIhvcNAQEBBQAD ggEPADCCAQoCggEBAKbpPNd+Pp5CEiIO1+wAcCp1S4GbGIuZHV3nlqVKxdWC 3S7GS6T43FAN7JNUEaTDEVW1pwrwI8FiPOo7PFd7L/MQ3w/Qz3/n9tjQ0PZw vIM7BlSZAq+Nvr3ZcAALhvoWfNX7kbrMHbIDCVr8+7sFMDMNv1A6HsyEu0n/ 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