From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 72037 invoked by alias); 26 May 2015 15:33:54 -0000 Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Received: (qmail 72005 invoked by uid 89); 26 May 2015 15:33:53 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-5.1 required=5.0 tests=AWL,BAYES_05,FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM autolearn=no version=3.3.2 X-HELO: mail-wg0-f42.google.com Received: from mail-wg0-f42.google.com (HELO mail-wg0-f42.google.com) (74.125.82.42) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES128-GCM-SHA256 encrypted) ESMTPS; Tue, 26 May 2015 15:33:43 +0000 Received: by wgez8 with SMTP id z8so100777173wge.0 for ; Tue, 26 May 2015 08:33:40 -0700 (PDT) X-Received: by 10.180.86.73 with SMTP id n9mr5436715wiz.78.1432654419949; Tue, 26 May 2015 08:33:39 -0700 (PDT) Received: from [192.168.1.27] (79.160.132.106.static.lyse.net. [79.160.132.106]) by mx.google.com with ESMTPSA id q10sm22309972wjo.38.2015.05.26.08.33.38 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 26 May 2015 08:33:39 -0700 (PDT) Message-ID: <55649249.6010602@gmail.com> Date: Tue, 26 May 2015 16:08:00 -0000 From: David Macek User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: cygwin@cygwin.com Subject: Non-Cygwin slaves inside tmux Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha1; boundary="------------ms060007010800080208030009" X-IsSubscribed: yes X-SW-Source: 2015-05/txt/msg00332.txt.bz2 --------------ms060007010800080208030009 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-length: 1708 Hi. My testcase: run mintty-bash, run tmux inside and run netsh inside. Try to = type. Result: horrible lags Expected result: it's possible to type normally I tried multiple Cygwin snapshots from the last 5 months, hoping that it co= uld be a regression (therefore easily fixable), but all of them exhibit the= same issue. A quick Google search didn't show any similar errors, so I'm reporting here= in hope someone will be able to say "yeah, that's easy, let me fix that". = :) Assuming I understand correctly the roles here -- bash does fork+exec(netsh= ) and Cygwin emulates that by creating a bash subprocess which creates a ne= tsh subprocess; the bash process that is spawned to execute the native exec= utable is creating threads and named pipes like crazy. Every few seconds a = new pipe and thread pop up. All the old threads seem to be stuck in: #0 0x00007ffad7f3120a in ntdll!ZwWaitForSingleObject () from /cygdrive/c/W= indows/SYSTEM32/ntdll.dll #1 0x00007ffad53b1118 in WaitForSingleObjectEx () from /cygdrive/c/Windows= /system32/KERNELBASE.dll #2 0x0000000180134cfb in muto::acquire (this=3D0x639363438, ms=3Dms@entry= =3D4294967295) at /usr/src/debug/cygwin-2.0.2-1/winsup/cygwin/sync.cc:87 #3 0x00000001800f9ed9 in lock_process (exiting=3Dfalse, this=3D) at /usr/s= rc/debug/cygwin-2.0.2-1/winsup/cygwin/sync.h:53 #4 commune_process (arg=3D0x6e7cb90) at /usr/src/debug/cygwin-2.0.2-1/wins= up/cygwin/pinfo.cc:542 ... several other frames which are related to Cygwin threads, I assume ... strace shows tmux getting these: seterrno_from_win_error: /usr/src/ports/cygwin/cygwin-2.0.2-1.x86_64/src/ne= wlib-cygwin/winsup/cygwin/pinfo.cc:737 windows error 995 --=20 David Macek --------------ms060007010800080208030009 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature Content-length: 5743 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEH AQAAoIIMbzCCBjMwggUboAMCAQICAwxvejANBgkqhkiG9w0BAQsFADCBjDEL MAkGA1UEBhMCSUwxFjAUBgNVBAoTDVN0YXJ0Q29tIEx0ZC4xKzApBgNVBAsT IlNlY3VyZSBEaWdpdGFsIENlcnRpZmljYXRlIFNpZ25pbmcxODA2BgNVBAMT L1N0YXJ0Q29tIENsYXNzIDEgUHJpbWFyeSBJbnRlcm1lZGlhdGUgQ2xpZW50 IENBMB4XDTE0MTIzMTA0MDkwNFoXDTE2MDEwMTE1NDg1M1owSjEgMB4GA1UE AwwXZGF2aWQubWFjZWsuMEBnbWFpbC5jb20xJjAkBgkqhkiG9w0BCQEWF2Rh dmlkLm1hY2VrLjBAZ21haWwuY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8A MIIBCgKCAQEApuk8134+nkISIg7X7ABwKnVLgZsYi5kdXeeWpUrF1YLdLsZL pPjcUA3sk1QRpMMRVbWnCvAjwWI86js8V3sv8xDfD9DPf+f22NDQ9nC8gzsG VJkCr42+vdlwAAuG+hZ81fuRuswdsgMJWvz7uwUwMw2/UDoezIS7Sf9d5BsX h2VyPj1khIuMrvX2q5oVVQ/MV5QfqFtT7zCBPfuqhAROAO/nhNsxqTxjEppK 8Sh1FuIT71hANWHYTyvAwbN3MMzJeSmDAcAvlyNUfjqrLwCPObqinZFlqyR7 a4NG3HbVo3IwnrLScYZs7xE/6h77sFWXSJV9dq7gSVjOwHec+OgijQIDAQAB o4IC3TCCAtkwCQYDVR0TBAIwADALBgNVHQ8EBAMCBLAwHQYDVR0lBBYwFAYI KwYBBQUHAwIGCCsGAQUFBwMEMB0GA1UdDgQWBBQEvwqPgbHT3Rg7Y+obpVas +Y+6+jAfBgNVHSMEGDAWgBRTcu2SnODaywFcfH6WNU7y1LhRgjAiBgNVHREE GzAZgRdkYXZpZC5tYWNlay4wQGdtYWlsLmNvbTCCAUwGA1UdIASCAUMwggE/ MIIBOwYLKwYBBAGBtTcBAgMwggEqMC4GCCsGAQUFBwIBFiJodHRwOi8vd3d3 LnN0YXJ0c3NsLmNvbS9wb2xpY3kucGRmMIH3BggrBgEFBQcCAjCB6jAnFiBT dGFydENvbSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTADAgEBGoG+VGhpcyBj ZXJ0aWZpY2F0ZSB3YXMgaXNzdWVkIGFjY29yZGluZyB0byB0aGUgQ2xhc3Mg MSBWYWxpZGF0aW9uIHJlcXVpcmVtZW50cyBvZiB0aGUgU3RhcnRDb20gQ0Eg cG9saWN5LCByZWxpYW5jZSBvbmx5IGZvciB0aGUgaW50ZW5kZWQgcHVycG9z ZSBpbiBjb21wbGlhbmNlIG9mIHRoZSByZWx5aW5nIHBhcnR5IG9ibGlnYXRp b25zLjA2BgNVHR8ELzAtMCugKaAnhiVodHRwOi8vY3JsLnN0YXJ0c3NsLmNv bS9jcnR1MS1jcmwuY3JsMIGOBggrBgEFBQcBAQSBgTB/MDkGCCsGAQUFBzAB hi1odHRwOi8vb2NzcC5zdGFydHNzbC5jb20vc3ViL2NsYXNzMS9jbGllbnQv Y2EwQgYIKwYBBQUHMAKGNmh0dHA6Ly9haWEuc3RhcnRzc2wuY29tL2NlcnRz L3N1Yi5jbGFzczEuY2xpZW50LmNhLmNydDAjBgNVHRIEHDAahhhodHRwOi8v d3d3LnN0YXJ0c3NsLmNvbS8wDQYJKoZIhvcNAQELBQADggEBAC+mXthvKJv0 g9fDxLL4OGsVK/sMtsquNast5RYmngwxRzxag9bihcuvlxbl3Y4ZMhLcdViH ku0P/7aLxF6zzXWoIDWmfmiMfS0Sakkd72odZetyDtn+qxOyMfK2zNagdh8b 3i8h1hLFUbGX/ELWmF2k8FfewSchVtosEicopuFIeQaEehYnuUbZLqq815gr wGNMFUBQ9GkrWwrN+7Mx2CkqSv5A4Br+uY/UBNeWGbE9NhrUM0LFiXQkKiAm LzLNc8475trVyShSVv+JwFPDS2XWtEQea5Yd1NTkp8CLrZnWiicH+911e23Y 6BH4LYf9zUSvvFEqOTcBWyEtw9a293IwggY0MIIEHKADAgECAgEeMA0GCSqG SIb3DQEBBQUAMH0xCzAJBgNVBAYTAklMMRYwFAYDVQQKEw1TdGFydENvbSBM dGQuMSswKQYDVQQLEyJTZWN1cmUgRGlnaXRhbCBDZXJ0aWZpY2F0ZSBTaWdu aW5nMSkwJwYDVQQDEyBTdGFydENvbSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0 eTAeFw0wNzEwMjQyMTAxNTVaFw0xNzEwMjQyMTAxNTVaMIGMMQswCQYDVQQG EwJJTDEWMBQGA1UEChMNU3RhcnRDb20gTHRkLjErMCkGA1UECxMiU2VjdXJl IERpZ2l0YWwgQ2VydGlmaWNhdGUgU2lnbmluZzE4MDYGA1UEAxMvU3RhcnRD b20gQ2xhc3MgMSBQcmltYXJ5IEludGVybWVkaWF0ZSBDbGllbnQgQ0EwggEi MA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDHCYPMzi3YGrEppC4Tq5a+ ijKDjKaIQZZVR63UbxIP6uq/I0fhCu+cQhoUfE6ERKKnu8zPf1Jwuk0tsvVC k6U9b+0UjM0dLep3ZdE1gblK/1FwYT5Pipsu2yOMluLqwvsuz9/9f1+1PKHG /FaR/wpbfuIqu54qzHDYeqiUfsYzoVflR80DAC7hmJ+SmZnNTWyUGHJbBpA8 Q89lGxahNvuryGaC/o2/ceD2uYDX9U8Eg5DpIpGQdcbQeGarV04WgAUjjXX5 r/2dabmtxWMZwhZna//jdiSyrrSMTGKkDiXm6/3/4ebfeZuCYKzN2P8O2F/X e2AC/Y7zeEsnR7FOp+uXAgMBAAGjggGtMIIBqTAPBgNVHRMBAf8EBTADAQH/ MA4GA1UdDwEB/wQEAwIBBjAdBgNVHQ4EFgQUU3Ltkpzg2ssBXHx+ljVO8tS4 UYIwHwYDVR0jBBgwFoAUTgvvGqRAW6UXaYcwyjRoQ9BBrvIwZgYIKwYBBQUH AQEEWjBYMCcGCCsGAQUFBzABhhtodHRwOi8vb2NzcC5zdGFydHNzbC5jb20v Y2EwLQYIKwYBBQUHMAKGIWh0dHA6Ly93d3cuc3RhcnRzc2wuY29tL3Nmc2Nh LmNydDBbBgNVHR8EVDBSMCegJaAjhiFodHRwOi8vd3d3LnN0YXJ0c3NsLmNv bS9zZnNjYS5jcmwwJ6AloCOGIWh0dHA6Ly9jcmwuc3RhcnRzc2wuY29tL3Nm c2NhLmNybDCBgAYDVR0gBHkwdzB1BgsrBgEEAYG1NwECATBmMC4GCCsGAQUF BwIBFiJodHRwOi8vd3d3LnN0YXJ0c3NsLmNvbS9wb2xpY3kucGRmMDQGCCsG AQUFBwIBFihodHRwOi8vd3d3LnN0YXJ0c3NsLmNvbS9pbnRlcm1lZGlhdGUu cGRmMA0GCSqGSIb3DQEBBQUAA4ICAQAKgwh9eKssBly4Y4xerhy5I3dNoXHY fYa8PlVLL/qtXnkFgdtY1o95CfegFJTwqBBmf8pyTUnFsukDFUI22zF5bVHz uJ+GxhnSqN2sD1qetbYwBYK2iyYA5Pg7Er1A+hKMIzEzcduRkIMmCeUTyMyi kfbUFvIBivtvkR8ZFAk22BZy+pJfAoedO61HTz4qSfQoCRcLN5A0t4DkuVhT MXIzuQ8CnykhExD6x4e6ebIbrjZLb7L+ocR0y4YjCl/Pd4MXU91y0vTipgr/ O75CDUHDRHCCKBVmz/Rzkc/b970MEeHt5LC3NiWTgBSvrLEuVzBKM586YoRD 9Dy3OHQgWI270g+5MYA8GfgI/EPT5G7xPbCDz+zjdH89PeR3U4So4lSXur6H 6vp+m9TQXPF3a0LwZrp8MQ+Z77U1uL7TelWO5lApsbAonrqASfTpaprFVkL4 nyGH+NHST2ZJPWIBk81i6Vw0ny0qZW2Niy/QvVNKbb43A43ny076khXO7cNb BIRdJ/6qQNq9Bqb5C0Q5nEsFcj75oxQRqlKf6TcvGbjxkJh8BYtv9ePsXklA xtm8J7GCUBthHSQgepbkOexhJ0wP8imUkyiPHQ0GvEnd83129fZjoEhdGwXV 27ioRKbj/cIq7JRXun0NbeY+UdMYu9jGfIpDLtUUGSgsg2zMGs5R4jGCA90w ggPZAgEBMIGUMIGMMQswCQYDVQQGEwJJTDEWMBQGA1UEChMNU3RhcnRDb20g THRkLjErMCkGA1UECxMiU2VjdXJlIERpZ2l0YWwgQ2VydGlmaWNhdGUgU2ln bmluZzE4MDYGA1UEAxMvU3RhcnRDb20gQ2xhc3MgMSBQcmltYXJ5IEludGVy bWVkaWF0ZSBDbGllbnQgQ0ECAwxvejAJBgUrDgMCGgUAoIICHTAYBgkqhkiG 9w0BCQMxCwYJKoZIhvcNAQcBMBwGCSqGSIb3DQEJBTEPFw0xNTA1MjYxNTMz MjlaMCMGCSqGSIb3DQEJBDEWBBSzXaqfxwRaK6PcWwVtJW9MaTHrazBsBgkq hkiG9w0BCQ8xXzBdMAsGCWCGSAFlAwQBKjALBglghkgBZQMEAQIwCgYIKoZI hvcNAwcwDgYIKoZIhvcNAwICAgCAMA0GCCqGSIb3DQMCAgFAMAcGBSsOAwIH MA0GCCqGSIb3DQMCAgEoMIGlBgkrBgEEAYI3EAQxgZcwgZQwgYwxCzAJBgNV BAYTAklMMRYwFAYDVQQKEw1TdGFydENvbSBMdGQuMSswKQYDVQQLEyJTZWN1 cmUgRGlnaXRhbCBDZXJ0aWZpY2F0ZSBTaWduaW5nMTgwNgYDVQQDEy9TdGFy dENvbSBDbGFzcyAxIFByaW1hcnkgSW50ZXJtZWRpYXRlIENsaWVudCBDQQID DG96MIGnBgsqhkiG9w0BCRACCzGBl6CBlDCBjDELMAkGA1UEBhMCSUwxFjAU BgNVBAoTDVN0YXJ0Q29tIEx0ZC4xKzApBgNVBAsTIlNlY3VyZSBEaWdpdGFs IENlcnRpZmljYXRlIFNpZ25pbmcxODA2BgNVBAMTL1N0YXJ0Q29tIENsYXNz IDEgUHJpbWFyeSBJbnRlcm1lZGlhdGUgQ2xpZW50IENBAgMMb3owDQYJKoZI hvcNAQEBBQAEggEAgVUhxMD/73hOe+fpj5dIWdEf+YY0nxE8ZaJP1YNcSAW9 7tt1PnR9m0RtQ+/WOF3Nrc4gLJYziInfwbKVsFcnr/fRJqMOfIhgyag+pTYL NBtW2Jt+Koxd0Y2yBs/q+6LZIrf97xOcBL0bwPyanLi09YmEXlnyQ8wri4Rn K1ljdiN0yCEXKsRZSMIKPmMBPn0OmOJIULz45RjIGO5SJTbOip5sPbM1tQX6 PiH1WYgTFGJz4YdfDcPJOPelGqnSgHjYKI/vqlDhEmxZQdgK/hwRzwGYdtwY PJuQi0JgihDdMgG+aQvnYOyIbB0lqwHZxZy28Lvx+L16yBI6X52SmxTEfwAA AAAAAA== --------------ms060007010800080208030009--