x2go-user June 2014

x2go-user@lists.x2go.org

17 participants
25 discussions

Re: [X2Go-User] Failing to resume session
by Michael DePaulo 08 Jun '14

08 Jun '14

(Resending this email because I accidentally CC'd lists.berlios.de). Hi Stephane, I need to look into this more. I'll do so over the next few days. On Fri, Jun 6, 2014 at 5:49 AM, Stephane Mutz <stephane.mutz(a)blinksight.com> wrote: > Hi Michael, > > I confirm the effect of the -nowgl option. > > I changed the setting on my windows client and could > not resume the session anymore from it while I can when > I remove the option. > > I created a new session after setting the -nowgl setting and > could resume it from my linux client. 1st, note that "WGL" is VcXsrv's (and Cygwin X11's) equivalent of nx-libs/x2goagent and X.org's "GLX". Both WGL and GLX are opengl support. "-nowgl" disables WGL. 2nd, I am a little confused. Under the github link, the X2Go user stated that disabling WGL fixed the issue. However, you are stating that enabling WGL fixes the issue. Note that I am thinking that whenever you run X2Go Client (or standalone VcXsrv) on a system that doesn't support OpenGL (including a windows desktop over RDP), then WGL is disabled automatically. > Can you explain the effect of the -extension XFIXES, -extension GLX > and -nolisten tcp just so that I know what to set properly? You can read about the 3 options here. This is the x2goserver version 4.0.1.15 version of the file: http://code.x2go.org/gitweb?p=x2goserver.git;a=blob;f=x2goserver/etc/x2goag… Basically the 2 options: -extension XFIXES -extension GLX Disable the X11 protocol extensions "XFIXES" and "GLX". Disabling both extensions maximizes compatibility with applications. If it turns out that enabling 1 or 2 of these X11 extensions (by putting a "+" instead of a "-" at the beginning) fixes compatibility with an application that you use, only then should you enable 1 or 2 of them. The option: -nolisten tcp Is important for security. Unless you have an application that depends on it, or you specifically want to export your X11 display instead of using X11 forwarding over SSH, you definitely SHOULD have that option set. You can read more here: http://superuser.com/questions/560532/what-is-the-nolisten-tcp-parameter-fo… > Do you still want me to file the bug report? > > Regards, Stephane. Yes, please do so. Note that external X server settings you are using. I have observed the issue even when you using the internal X server, so I will add details about that as I investigate. -Mike#2 On Fri, Jun 6, 2014 at 5:49 AM, Stephane Mutz <stephane.mutz(a)blinksight.com> wrote: > Hi Michael, > > I confirm the effect of the -nowgl option. > > I changed the setting on my windows client and could > not resume the session anymore from it while I can when > I remove the option. > > I created a new session after setting the -nowgl setting and > could resume it from my linux client. > > Can you explain the effect of the -extension XFIXES, -extension GLX > and -nolisten tcp just so that I know what to set properly? > > Do you still want me to file the bug report? > > Regards, Stephane. > > > > On 05/06/2014 16:30, Michael DePaulo wrote: > > It might be. It might also be related to VcXsrv's WGL option. > > Unless something comes up, I'll investigate tonight. > > Sent from my Android Smartphone > On Jun 5, 2014 9:47 AM, "Stephane Mutz" <stephane.mutz(a)blinksight.com> > wrote: >> >> Hello Michael, >> >> Could it be related to the settings of: >> -extension XFIXES >> -extension GLX >> >> Those were always obscure for me and I noticed >> a discrepency between my home computer and work computer. >> >> Also I realised I'm missing -nolisten tcp. Should I add it? >> >> I don't think any of these config settings have changed recently though. >> The appearance of the problem seems more related to an update on either >> side >> but I can't be sure. >> >> I'll post the bug report tonight. >> >> Thanks for the pointer to the workaround. I can't test it right now >> but I'll give it a try as soon as I can. >> >> Regards, Stephane. >> >> >> On 05/06/2014 15:22, Michael DePaulo wrote: >>> >>> On Thu, Jun 5, 2014 at 4:07 AM, Stephane Mutz >>> <stephane.mutz(a)blinksight.com> wrote: >>>> >>>> Hello, >>>> >>>> Since a few weeks, I can't resume a session that was created >>>> at work from my home computer. When I connect and select >>>> the session to resume, I get an error popup: >>>> >>>> Failed to restore all the required visuals. >>>> >>>> Can't resume the NX session on this display. >>>> >>>> This setup was working for months so I assume it is due to an >>>> update. >>>> At home, I'm using a Linux Mint with 4.0.2.0 X2GO client. >>>> At work, the client is running on Windows7 (version 4.0.2.0 as well). >>>> >>>> Any clue about what could be causing the problem? >>>> >>>> Regards, Stephane. >>> >>> Hi Stephane, >>> >>> I have seen this error myself. Could you please submit a bug report >>> for package "x2goclient"? >>> http://wiki.x2go.org/doku.php/wiki:bugs >>> >>> I will look into it further. It looks like some people have identified >>> a fix or workaround: >>> https://github.com/stowler/imagingcore/issues/16 >>> >>> Also, FYI, this was discussed previously: >>> https://lists.berlios.de/pipermail/x2go-user/2014-April/002201.html >>> >>> -Mike#2 >> >> > >

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X2go on docker :)
by paim pozhil 03 Jun '14

03 Jun '14

Hi All Based on the LXC- x2go implementation ideas from : http://bmullan.wordpress.com/2013/11/20/configure-x2go-remote-desktop-capab… Ive created this docker setup . It runs a xubuntu system with x2go , We could even streamline this even further with just Xfce or lubuntu however I wanted to post to this mailing list what I have for now. https://github.com/paimpozhil/DockerX2go Please test/ feel free to re-use or fork :) -- Paim Pozhil

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Centos Image for Docker - x2go project
by paim pozhil 03 Jun '14

03 Jun '14

Hi All I've built a centos image today and it works very nicely. feedbacks welcome https://github.com/paimpozhil/DockerX2go/tree/master/centos -- Paim Pozhil

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ubuntu 14.04 desktop black screen on connect
by Cristina Tanzi Tolenti 03 Jun '14

03 Jun '14

Hi, I install x2goserver on my new desktop Ubuntu 14.04 (gnome-shell) and I would like to connect it with another Ubuntu or Windows over my lan. I choose gnome as session and when I try to connect I obtain a black screen. Help me please!! :-) Thanks Cristina

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Problems "Installation of the X2Go TCE based on Debian"
by Víctor Jiménez 02 Jun '14

02 Jun '14

Hello, I would need your help I followed the wiki “Installation of the X2Go TCE based on Debian“,and I have not got that the thinclient starts the OS I’ve had two cases: Not installed “Provide firmware for certain hardware”: - ThinClient Start Boot MenuàSelect X2Go TCEàToolbar status loaded full, but nothing appears, only this message: *[ 2.129610] sd 2:0:0:0: [sda] Assuming drive cache: write through* *[ 2.129951] sd 2:0:0:0: [sda] Assuming drive cache: write through* *[ 2.130546] sd 2:0:0:0: [sda] Assuming drive cache: write through* Installed “Provide firmware for certain hardware”: When I add the repository *deb http://ftp.debian.org/debian <http://ftp.debian.org/debian> <distro-codename> main contrib non-free* and install: * apt-get install firmware-linux-nonfree firmware-bnx2 firmware-bnx2x firmware-myricom firmware-netxen firmware-qlogic firmware-ralink firmware-realtek intel-microcode amd64-microcode. * Display this error: *Processing triggers for man-db ...* *locale: Cannot set LC_CTYPE to default locale: No such file or directory* *locale: Cannot set LC_MESSAGES to default locale: No such file or directory* *locale: Cannot set LC_ALL to default locale: No such file or directory* *Setting up firmware-bnx2 (0.36+wheezy.1) ...* *update-initramfs: deferring update (trigger activated)* *Setting up firmware-bnx2x (0.36+wheezy.1) ...* *update-initramfs: deferring update (trigger activated)* *Setting up firmware-linux-nonfree (0.36+wheezy.1) ...* *update-initramfs: deferring update (trigger activated)* *Setting up firmware-myricom (0.36+wheezy.1) ...* *update-initramfs: deferring update (trigger activated)* *Setting up firmware-netxen (0.36+wheezy.1) ...* *update-initramfs: deferring update (trigger activated)* *Setting up firmware-qlogic (0.36+wheezy.1) ...* *update-initramfs: deferring update (trigger activated)* *Setting up firmware-ralink (0.36+wheezy.1) ...* *Setting up firmware-realtek (0.36+wheezy.1) ...* *update-initramfs: deferring update (trigger activated)* *Setting up iucode-tool (0.8.3-1) ...* *Setting up amd64-microcode (1.20120910-2) ...* *Updating microcode on all online processors...* *update-initramfs: deferring update (trigger activated)* *Setting up intel-microcode (1.20140122.1) ...* *Updating microcode on all online processors...* *update-initramfs: deferring update (trigger activated)* *Processing triggers for initramfs-tools ...* *update-initramfs: Generating /boot/initrd.img-3.2.0-4-486* *cryptsetup: WARNING: could not determine root device from /etc/fstab* *libkmod: ERROR ../libkmod/libkmod.c:554 kmod_search_moddep: could not open moddep file '/lib/modules/3.13.0-24-generic/modules.dep.bin'* *intel-microcode: cpuid MSR kernel support missing* *intel-microcode: disabling IUCODE_TOOL_SCANCPUS option* I ignore the error and continue the instructions. When I turn on the thinclient Start Boot MenuàSelect X2Go TCEàToolbar status loaded full, and display this error: *[ 1.714560] sd 2:0:0:0: [sda] Assuming drive cache: write through* *[ 1.715139] sd 2:0:0:0: [sda] Assuming drive cache: write through* *[ 1.716151] sd 2:0:0:0: [sda] Assuming drive cache: write through* *[ 1.762616] platform microcode: firmware: agent aborted loading intel-ucode/06-2d-02 (not dound?)* What am I doing wrong? Can you help me? Thanks

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x2go-user June 2014