From unknown Sun Mar 08 17:11:56 2026 X-Loop: owner@bugs.x2go.org Subject: Bug#1533: Mac client: connection timeout 30 seconds after session start Reply-To: Ricky Charlet , 1533@bugs.x2go.org Resent-From: Ricky Charlet Resent-To: x2go-dev@lists.x2go.org Resent-CC: owner@bugs.x2go.org X-Loop: owner@bugs.x2go.org Resent-Date: Fri, 19 Mar 2021 16:50:02 +0000 Resent-Message-ID: Resent-Sender: owner@bugs.x2go.org X-X2Go-PR-Message: report 1533 X-X2Go-PR-Package: unknown X-X2Go-PR-Keywords: Received: via spool by submit@bugs.x2go.org id=B.161617245328740 (code B); Fri, 19 Mar 2021 16:50:02 +0000 Received: (at submit) by bugs.x2go.org; 19 Mar 2021 16:47:33 +0000 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on ymir.das-netzwerkteam.de X-Spam-Level: X-Spam-Status: No, score=-2.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,HTML_MESSAGE,SPF_HELO_NONE, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.2 Received: from mr85p00im-hyfv06011301.me.com (mr85p00im-hyfv06011301.me.com [17.58.23.184]) by ymir.das-netzwerkteam.de (Postfix) with ESMTPS id 84DE95DAEB for ; Fri, 19 Mar 2021 17:47:08 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=icloud.com; s=1a1hai; t=1616172426; bh=pWjWw3XrDGPKMOOmZznCRaXoRXbGtalhCymdK0Vi50k=; h=From:Content-Type:Mime-Version:Subject:Message-Id:Date:To; b=Vtv7wgqQsaSxqMiiqwg/ZuHRnZylT6EXEbf8CZIWpttzvfVpuQo9CSYvX7WaE66/T +ug2GSzC1AcrGDA/QiTR2OR80EXBUjwfZ9ONKlqkjvqIX2+j+IMMP5kYJLX4vBpZ4G 7tfMGLw6p8EgskwaRiFvnLHP6GfuVabUxzAK8VP8yX8+JmWKkoI9uiHlh7fyDUiKir 5yQALUaaH8aGp9h0rgLtqGB+lv1BtbGLVCSUBITKob2ok0h624Sm4EWMONgapnl1x9 bmBOELHE7CrYWYKP7+uPqCf/7Cc1T0znkz6nSpiMT1Z138Oe1LUQLUW4Zijn+PKOh3 k+GoIs665fOzQ== Received: from [192.168.100.105] (249.sub-174-222-10.myvzw.com [174.222.10.249]) by mr85p00im-hyfv06011301.me.com (Postfix) with ESMTPSA id C628958101C; Fri, 19 Mar 2021 16:47:05 +0000 (UTC) From: Ricky Charlet Content-Type: multipart/alternative; boundary="Apple-Mail=_EC92E239-C52E-423C-A6A7-34F6247FED1D" Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.4\)) Message-Id: <2ECD6FDF-189F-435C-A6DC-8CBB9D8ADAD8@icloud.com> Date: Fri, 19 Mar 2021 09:47:04 -0700 Cc: Ricky Charlet To: submit@bugs.x2go.org X-Mailer: Apple Mail (2.3608.120.23.2.4) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369,18.0.761 definitions=2021-03-19_09:2021-03-19,2021-03-19 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 mlxscore=0 mlxlogscore=925 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-2006250000 definitions=main-2103190117 --Apple-Mail=_EC92E239-C52E-423C-A6A7-34F6247FED1D Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Package: unknown Version: 4.1.2.2 Howdy, When I connect from Mac client to ubuntu server, I get a = =E2=80=9Cconnection timeout=E2=80=9D 30 seconds after =E2=80=9Cconnection = start.=E2=80=9D Other people can connect to my server. Error message is: Loop: WARNING! Overriding auxiliary X11 port with new value '1'. Warning: Overriding auxiliary X11 port with new value '1'. Info: Connecting to remote host 'localhost:36652'. Info: Connected to remote proxy on FD#11. Info: Connection with remote proxy completed. Loop: WARNING! Unrecognized session type 'unix-kde-depth_32'. Assuming = agent session. Warning: Unrecognized session type 'unix-kde-depth_32'. Assuming agent = session. Info: Using ADSL link parameters 1408/24/1/0. Info: Using cache parameters 4/4096KB/8192KB/8192KB. Info: Using pack method '16m-jpeg-9' with session 'unix-kde-depth_32'. Info: Using ZLIB data compression 1/1/32. Info: Using ZLIB stream compression 4/4. Info: No suitable cache file found. Info: Forwarding X11 connections to display = '/private/tmp/com.apple.launchd.E12k8P0IX6/org.xquartz:0'. Info: Forwarding auxiliary X11 connections to display = '/private/tmp/com.apple.launchd.E12k8P0IX6/org.xquartz:0'. Session: Session started at 'Fri Mar 19 09:38:16 2021'. Connection timeout, abortingSession: Terminating session at 'Fri Mar 19 = 09:38:46 2021'. Info: Waiting the cleanup timeout to complete. Session: Session terminated at 'Fri Mar 19 09:38:47 2021'. On the server, in /var/log/messages, I get what appears to be a success = report: Mar 19 09:38:16 hpnsw4371 /usr/bin/x2gostartagent: successfully started = X2Go Agent session with ID charletr-50-1616171893_stDMATE_dp32 I have a tcpdump (is in an ssh tunnel, to a little vague) which shows = client sending dup packet not quite, but almost 30 seconds into session = attempt. 116 33.763841 15.116.49.166 16.99.147.244 SSHv2 108 = Server: [TCP Spurious Retransmission] , Encrypted packet (len=3D64) 117 33.763941 16.99.147.244 15.116.49.166 TCP 56 = [TCP Dup ACK 114#1] 64138 =E2=86=92 22 [ACK] Seq=3D3239 Ack=3D5027 = Win=3D262144 Len=3D0 SLE=3D4963 SRE=3D5027 Client =3D MacOS 10.15.7 (Catalina=E2=80=A6and due to corp policy, I = cannot upgrade); x2go 4.1.2.2 with qt 4.8.7 with xquartz 2.7.11 with = xorg 1.18.4 Server : x2goversion : 1.0.2.4 : 0.0.1.6 : 4.1.0.3 : 4.1.0.3 : 4.1.0.3 : 4.1.0.3 : 4.1.0.3 : 3.5.99.22 : 4.1.0.3 --Apple-Mail=_EC92E239-C52E-423C-A6A7-34F6247FED1D Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8
Package: unknown
Version: = 4.1.2.2


Howdy,

= When I connect from Mac client to ubuntu server, I get a = =E2=80=9Cconnection timeout=E2=80=9D 30 seconds after =E2=80=9Cconnection = start.=E2=80=9D  Other people can connect to my server.

Error message = is:
Loop: WARNING! Overriding = auxiliary X11 port with new value '1'.
Warning: = Overriding auxiliary X11 port with new value = '1'.
Info: Connecting to remote host = 'localhost:36652'.
Info: Connected to remote proxy = on FD#11.
Info: Connection with remote proxy = completed.
Loop: WARNING! Unrecognized session type 'unix-kde-depth_32'. = Assuming agent session.
Warning: Unrecognized session = type 'unix-kde-depth_32'. Assuming agent = session.
Info: Using ADSL link parameters = 1408/24/1/0.
Info: Using cache parameters = 4/4096KB/8192KB/8192KB.
Info: Using pack method = '16m-jpeg-9' with session 'unix-kde-depth_32'.
Info: Using = ZLIB data compression 1/1/32.
Info: Using ZLIB stream = compression 4/4.
Info: No suitable cache file = found.
Info: Forwarding X11 connections to display = '/private/tmp/com.apple.launchd.E12k8P0IX6/org.xquartz:0'.
Info: = Forwarding auxiliary X11 connections to display = '/private/tmp/com.apple.launchd.E12k8P0IX6/org.xquartz:0'.
Session: = Session started at 'Fri Mar 19 09:38:16 2021'.
Connection = timeout, abortingSession: Terminating session at 'Fri Mar 19 09:38:46 = 2021'.
Info: Waiting the cleanup timeout to = complete.
Session: Session terminated at 'Fri Mar 19 09:38:47 = 2021'.


On the server, = in /var/log/messages, I get what appears to be a success = report:
Mar 19 09:38:16 hpnsw4371 = /usr/bin/x2gostartagent: successfully started X2Go = Agent session with ID = charletr-50-1616171893_stDMATE_dp32


I have a tcpdump (is in an ssh = tunnel, to a little vague) which shows client sending dup packet not = quite, but almost 30 seconds into session = attempt.
116 33.763841 15.116.49.166 = 16.99.147.244 SSHv2 108 Server: [TCP Spurious Retransmission] , Encrypted packet = (len=3D64)
117 33.763941 16.99.147.244 = 15.116.49.166 TCP 56 [TCP Dup ACK 114#1] 64138 =E2=86=92 22 [ACK] Seq=3D3239 = Ack=3D5027 Win=3D262144 Len=3D0 SLE=3D4963 = SRE=3D5027


Client =3D MacOS 10.15.7 (Catalina=E2=80=A6and due to corp = policy, I cannot upgrade); x2go 4.1.2.2 with qt 4.8.7 with xquartz = 2.7.11 with xorg 1.18.4

Server : x2goversion
: = 1.0.2.4
: = 0.0.1.6
: = 4.1.0.3
: = 4.1.0.3
: = 4.1.0.3
: = 4.1.0.3
: = 4.1.0.3
: = 3.5.99.22
: = 4.1.0.3


= --Apple-Mail=_EC92E239-C52E-423C-A6A7-34F6247FED1D--