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Bug#1541: x2go graphics issue on MacOS Big Sur
by Kailin Zhuang 12 Aug '22

12 Aug '22

Package: x2goclient Version: 4.1.2.1 I'm using X2Go to run scientific software on our campus compute cluster (since 2019). I recently installed X2Go on a new MacBook Pro 2020 with the M1 chip running Big Sur. Immediately after launching X2Go, the following message repeats about 10 times per minute until I close X2Go: com.apple.xpc.launchd[1] (com.apple.mdworker.shared.XXX): Service exited due to SIGKILL | sent by mds[499]\ When I start Matlab (a scientific application I use for research), the x2go window turns black and becomes unusable. I'm enclosing a screenshot. The same Matlab software works as expected (no display problems) when I run it remotely via ssh (with X11 forwarding enabled) instead of X2Go.

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Infinite loop in X2GoRevFwTunnel handler on socket error
by Tomáš Cerha 22 Jun '22

22 Jun '22

Dear list members, We develop a custom client for our application using python-x2go and we make use of X2GoRevFwTunnel to expose some client side functionality to the server side app. We observed regular X2Go session freezing after about 3 hours running on Windows (several versions, reliably reproducible on Windows 10) with the following output: WARN: Reverse tunnel <paramiko.Channel 16 (open) window=2036405 -> <paramiko.Transport at 0x4e4f270L (cipher aes128-ctr, 128 bits) (active; 2 open channel(s))>> encoutered socket error: [Errno 10054] An existing connection was forcibly closed by the remote host This message comes from x2go_rev_forward_channel_handler() and if the error persists, the code loops endlessly. This freezes the whole session (IMHO due to cooperative multitasking not having a chance to switch). The attached patch solves the problem by breaking after catching the socket error 1024 times. This leads to the tunnel being closed, which allows the application to reopen it automatically and recover gracefully from the situation. This seems suffitiently conservative, seems to make sense generally and definitely helps in our case. Of course, there may be other ways to deal with the problem, so the patch is just a suggestion. We currently work around the problem by monkey patching the function x2go_rev_forward_channel_handler(), but of course, we would love to see the problem solved upstream. Thank you for considering the patch and for your great work on the X2Go project. Best regards Tomáš Cerha

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Running X2Go on Mac OS
by Tomáš Cerha 22 Jun '22

22 Jun '22

Dear list members, I recently managed to make our python-x2go based app run on Mac OS with some tiny changes to python-x2go, so I wanted to share these changes with others and suggest merging them upstream. The first problem was in defaults.py, which includes some specific settings for different OSes based on platform.system(). The problem is, that the section for Mac OS wrongly assumes that platform.system() returns ‘Mac’, while it actually returns ‘Darwin’. AFAIK, it has always been so. For more insight see for example https://bugs.python.org/issue7850. The attached file 0001-Fix-Mac-OS-recognition.patch fixes that. The second problem was that we need to install the NX proxy binary to a different path than "/usr/bin/nxproxy”. For that purpose I made use of the environment variable NXPROXY_BINARY which is already used on Windows. This is implemented by the second patch file 0002-Respect-NXPROXY_BINARY-also-on-non-Windows-systems.patch. For consistency, it might also make sense to use this variable only if it contains a valid path, as it is done on Windows, but I didn’t do that in the patch. Thank you for considering merging these patches upstream and thank you for the great work on X2Go. Best regards Tomas Cerha

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Bug#1583: X2Go issue (in src:x2goserver) has been marked as pending for release
by Mike Gabriel 16 May '22

16 May '22

tag #1583 pending fixed #1583 4.1.0.4 thanks Hi! X2Go issue #1583 (src:x2goserver) reported by you has been fixed in X2Go Git. You can see the changelog below, and you can check the diff of the fix at: https://code.x2go.org/gitweb?p=x2goserver.git;a=commitdiff;h=1f9a68b4d1d13f… The issue will most likely be fixed in src:x2goserver (4.1.0.4). light+love X2Go Git Admin (on behalf of the sender of this mail) --- commit 1f9a68b4d1d13f80073d888586b48999316d5907 Author: Hanno Foest <hurga-x2go(a)tigress.com> Date: Mon May 16 21:29:38 2022 +0200 x2goserver-xsession: Port OPTIONS variable and has_option() function from recent version of /etc/X11/Xsession to X2Go's Xsession file. (Fixes: #1583). More porting is actually needed. diff --git a/debian/changelog b/debian/changelog index 4d737e11..c0514892 100644 --- a/debian/changelog +++ b/debian/changelog @@ -5,6 +5,12 @@ x2goserver (4.1.0.4-0x2go1.2) UNRELEASED; urgency=medium - x2gocleansessions: Separate non-forking behavior from --debug into --nofork. + [ Hanno Foest ] + * New upstream version (4.1.0.4): + - x2goserver-xsession: Port OPTIONS variable and has_option() function + from recent version of /etc/X11/Xsession to X2Go's Xsession file. (Fixes: + #1583). More porting is actually needed. + [ Mike Gabriel ] * New upstream version (4.1.0.4): - Fix version number in VERSION.x2goserver-desktopsharing.

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Processed: reassign 1376 to x2goserver
by X2Go Bug Tracking System 12 Mar '22

12 Mar '22

Processing commands for control(a)bugs.x2go.org: > reassign 1376 x2goserver Bug #1376 [x2goserver-4.1.0.4-0.0x2go1.0.git20190114.1758.heuler.fc29.x86_64] Arithmetic exception error reading variable: Division by zero git20190114.1758 Warning: Unknown package 'x2goserver-4.1.0.4-0.0x2go1.0.git20190114.1758.heuler.fc29.x86_64' Bug reassigned from package 'x2goserver-4.1.0.4-0.0x2go1.0.git20190114.1758.heuler.fc29.x86_64' to 'x2goserver'. Ignoring request to alter found versions of bug #1376 to the same values previously set Ignoring request to alter fixed versions of bug #1376 to the same values previously set > thanks Stopping processing here. Please contact me if you need assistance. -- 1376: https://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=1376 X2Go Bug Tracking System Contact owner(a)bugs.x2go.org with problems

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Processed: reassign 1570 to x2goserver
by X2Go Bug Tracking System 12 Mar '22

12 Mar '22

Processing commands for control(a)bugs.x2go.org: > reassign 1570 x2goserver Bug #1570 [x2goserver-4.1.0.3-10.fc34.x86_64] Moving any programs on screen causes ghosting/overlapping effect v4.1.0.3-10 in Fedora Warning: Unknown package 'x2goserver-4.1.0.3-10.fc34.x86_64' Bug reassigned from package 'x2goserver-4.1.0.3-10.fc34.x86_64' to 'x2goserver'. No longer marked as found in versions 4.1.0.3-10. Ignoring request to alter fixed versions of bug #1570 to the same values previously set > thanks Stopping processing here. Please contact me if you need assistance. -- 1570: https://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=1570 X2Go Bug Tracking System Contact owner(a)bugs.x2go.org with problems

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Processed: reassign 1400 to x2goserver
by X2Go Bug Tracking System 12 Mar '22

12 Mar '22

Processing commands for control(a)bugs.x2go.org: > reassign 1400 x2goserver Bug #1400 [x2goserver.x86_64] Unable to install x2go server on RedHat 7.4 Warning: Unknown package 'x2goserver.x86_64' Bug reassigned from package 'x2goserver.x86_64' to 'x2goserver'. No longer marked as found in versions 4.1.0.3-0.0x2go1.1.git20181129.1708.main.el7. Ignoring request to alter fixed versions of bug #1400 to the same values previously set > thanks Stopping processing here. Please contact me if you need assistance. -- 1400: https://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=1400 X2Go Bug Tracking System Contact owner(a)bugs.x2go.org with problems

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Processed: reassign 1576 to x2goclient
by X2Go Bug Tracking System 12 Mar '22

12 Mar '22

Processing commands for control(a)bugs.x2go.org: > reassign 1576 x2goclient Bug #1576 [client] Fwd: Authentication dialog box messages, sometimes redundant, and cryptic for end-users Warning: Unknown package 'client' Bug reassigned from package 'client' to 'x2goclient'. No longer marked as found in versions 4.1.2.2. Ignoring request to alter fixed versions of bug #1576 to the same values previously set > thanks Stopping processing here. Please contact me if you need assistance. -- 1576: https://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=1576 X2Go Bug Tracking System Contact owner(a)bugs.x2go.org with problems

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Processed: reassign 1560 to x2goclient
by X2Go Bug Tracking System 12 Mar '22

12 Mar '22

Processing commands for control(a)bugs.x2go.org: > reassign 1560 x2goclient Bug #1560 [x2go client] 转发: Bug of SSH host key Warning: Unknown package 'x2go' Warning: Unknown package 'client' Bug reassigned from package 'x2go client' to 'x2goclient'. Ignoring request to alter found versions of bug #1560 to the same values previously set Ignoring request to alter fixed versions of bug #1560 to the same values previously set > thanks Stopping processing here. Please contact me if you need assistance. -- 1560: https://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=1560 X2Go Bug Tracking System Contact owner(a)bugs.x2go.org with problems

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Processed: reassign 1336 to x2goclient
by X2Go Bug Tracking System 12 Mar '22

12 Mar '22

Processing commands for control(a)bugs.x2go.org: > reassign 1336 x2goclient Bug #1336 [x2go client] Spaces in user folder name cause X2Go sessions to finish immediately Warning: Unknown package 'x2go' Warning: Unknown package 'client' Bug reassigned from package 'x2go client' to 'x2goclient'. No longer marked as found in versions 4.1.2.0-2018.06.22. Ignoring request to alter fixed versions of bug #1336 to the same values previously set > thanks Stopping processing here. Please contact me if you need assistance. -- 1336: https://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=1336 X2Go Bug Tracking System Contact owner(a)bugs.x2go.org with problems

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