x2go-dev June 2015

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25 participants
180 discussions

Bug#896: Session Resume Fails with "Failed to restore all the required visuals."
by Michael DePaulo 26 Jun '15

26 Jun '15

Package: x2goclient Version: 4.0.4.0 Severity: normal Tags: +build-win32 Sometimes when starting an X2Go session on a Windows client, and resuming it on a different machine (which may or may not be Windows), the session fails to resume and you get this error message: X2Go - 50 Failed to restore all the required visuals. Can't resume the NX session on this display. Screenshot: http://imgur.com/zQz69Cz On test configuration #1 at least, I am still able to resume the session on the original client, even after receiving the error on the new client. I have seen this issue occasionally over the last year or 2. I recall experiencing it when try resume a session over RDP. However, I have 2 other test configurations listed below. Note that the error message comes from nx-libs, not x2goclient. x2goclient passes the error message to the user. However, I am filing this bug under x2goclient since it is likely possible to fix it by launching VcXsrv on Windows with different options. In fact, at X2Go Gathering 2015, one of the QVD developers said that they experienced this issue with QVD client for iOS, and fixed it by launching their client-side X server with certain options: https://github.com/theqvd/qvd-client-ios/blob/master/QVDWrapper/wrapper/Ser… Right now I am able to reproduce it with this test configuration (#1): Server OS: Fedora 21 64-bit with latest updates x2goserver: 4.0.1.19-3.fc21 (from Fedora) x2goserver-xsession: 4.0.1.19-3.fc21 (from Fedora) nxagent: 3.5.0.31-0.0x2go1.1.git20150608.671.main.fc21 session-starting client OS: Windows 10 64-bit build 10130 session-starting x2goclient: 4.0.4.0-2015.06.24 session-starting hardware: physical, accessed locally session-resuming client OS: Windows XP 32-bit SP3 with last available updates session-resuming x2goclient: 4.0.4.0-2015.06.24 session-resuming hardware: Virtual. Running on the server's qemu-kvm hypervisor with virt-manager. QXL & SPICE are used (the SPICE server is built into the hypervisor.) Driver is "Red Hat QXL GPU" 7/17/2013 5.1.0.10018. Color is set to 32-bit. Accessed over virt-viewer 2.0 from Windows. Also, at the X2Go Gathering 2015, we were able to reproduce this with the following 2 clients (but with a different server) (test config #2): Server Details: unknown session-starting client OS: Windows 7 64-bit SP1 with latest updated session-starting x2goclient: 4.0.4.0-2015.06.24 session-starting hardware: physical, accessed locally session-resuming client OS: X2Go TCE (version unknown) (based on Debian 7 Wheezy IIRC) session-resuming x2goclient: version unknown session-resuming hardware: physical, accessed locally

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Bug#883: I will try Mike#1's suggestions, and I released the test build
by Michael DePaulo 26 Jun '15

26 Jun '15

Hi Mike#1, I will try your suggestions. Also, everyone, I just released X2Go Client for Windows 4.0.4.0-2015.06.24 instead of 4.0.4.0-2015.06.22 (because I did the build 1.5 days later.) The alternate build with the test fix (reverting the winmultiwindow.patch) is available: http://code.x2go.org/releases/binary-win32/x2goclient/releases/4.0.4.0-2015… -Mike#2

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Japsand Maintenance Aftermath a.k.a. "Lessons Learned"
by Mihai Moldovan 24 Jun '15

24 Jun '15

Hi Due to a hanging rm process, we had to restart the server today. After rebooting the machine, it was decided to also update the system to the latest packages version, but still staying on Debian Wheezy (for now.) The server is using a custom kernel module provided by Realtek for its RTL8168 ethernet NIC. An in-kernel driver is available, but proved to be too unreliable, leading to frequent network outages and even machine crashes whenever the network IO load was higher than a few hundred KB/s. The hosting provider has a wiki entry for this issue at this location: http://wiki.hetzner.de/index.php/Installation_des_r8168-Treibers/en Unfortunately, the current driver version as provided by Realtek, 8.040, seems to be incompatible with the old 3.2.0-4-amd64 (3.2.68-1+deb7u2) kernel provided by Debian. As of writing this, I do not know what happened exactly, but most likely the module caused a kernel panic during bootup. Reverting to an older version, 8.037, fixed this issue and let the server boot up correctly again. For future maintenance work, please use this older version, at least on Debian Wheezy. I put the module source code into /usr/src and created a symlink from /usr/src/r8168-current to /usr/src/r8168-8.037.00. --- Other updated packages include Java (version 7 co-installed, the "alternatives" symlink now point to version 7 instead of 6) and Jenkins, including its plugins. A test build run suggests the Jenkins update was successful. Mihai

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Re: [X2Go-Dev] [X2Go-Project] Japsand Down
by Mihai Moldovan 24 Jun '15

24 Jun '15

On 24.06.2015 09:46 PM, Mihai Moldovan wrote: > Japsand, our server also hosting the X2Go Wiki is currently down for unscheduled > maintenance. The server is back up and running again. Mihai

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Japsand Down
by Mihai Moldovan 24 Jun '15

24 Jun '15

[copy of the eMail that went to X2Go-Project] Hi Japsand, our server also hosting the X2Go Wiki is currently down for unscheduled maintenance. We cannot provide any ETA for when it will be back up. In case you need to access the wiki, please fall back to http://web.archive.org/web/20150624025754/http://wiki.x2go.org/doku.php for now. The mailing lists are still working as expected. Mihai

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Bug#894: pyhoca gui tray icon in Plasma 5
by Orion Poplawski 24 Jun '15

24 Jun '15

Package: pyhoca-gui Version: 0.5.0.4 See https://bugzilla.redhat.com/show_bug.cgi?id=1225142 pyhoca-gui icon does not appear in KDE system tray on Fedora 22. This appears to be due to a shift in system tray implementations. See http://blog.martin-graesslin.com/blog/2014/06/where-are-my-systray-icons/ I'm still not sure if this is a purely distro issue or if pyhoca-gui should be doing something different. -- Orion Poplawski Technical Manager 303-415-9701 x222 NWRA/CoRA Division FAX: 303-415-9702 3380 Mitchell Lane orion(a)cora.nwra.com Boulder, CO 80301 http://www.cora.nwra.com

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Bug#895: Window decorations for shadow session with Windows X2Go Client
by Mike Gabriel 24 Jun '15

24 Jun '15

Package: x2goclient Tags: build-win32 Version: 4.0.4.0 The session window of a desktop sharing session lacks minimize, maximize and close button. Mike -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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x2go client connection failed: can't locate DBI.pm in @INC
by Real, Elizabeth (392K) 23 Jun '15

23 Jun '15

Hello devs, Here’s my setup: x2go client: OS RHEL 7.1 x2go server: OS RHEL6 Results: On the x2go client, I accepted the initial ‘new' server key but the connection failed with this error: Connection failed Can't locate DBI.pm in @INC (@INC contains: /usr/lib64/x2go /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at /usr/lib64/x2go/x2godbwrapper.pm line 25. BEGIN failed--compilation aborted at /usr/lib64/x2go/x2godbwrapper.pm line 25. Compilation failed in require at /usr/bin/x2golistsessions line 30. BEGIN failed--compilation aborted at /usr/bin/x2golistsessions line 30. **NOTE: I configured several repos on the server and installed all of the dependancies, but for some reason the server installation on RHEL 6 or 7 does not work for me. Thank you, Liz

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Bug#893: X2Go issue (in src:nx-libs) has been marked as pending for release
by Mihai Moldovan 23 Jun '15

23 Jun '15

tag #893 pending fixed #893 2:3.5.0.32 thanks Hello, X2Go issue #893 (src:nx-libs) 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: http://code.x2go.org/gitweb?p=nx-libs.git;a=commitdiff;h=64b2001 The issue will most likely be fixed in src:nx-libs (2:3.5.0.32). light+love X2Go Git Admin (on behalf of the sender of this mail) --- commit 64b2001db6469ceb29835049e04f4e7b607d8ee2 Author: Emanuele Giaquinta <emanuele.giaquinta(a)gmail.com> Date: Tue Jun 23 20:06:48 2015 +0200 nx-X11: Fix alpha premultiplication in XRenderParseColor. Fixes: #893. Due to C arithmetic conversion rules we must use an unsigned constant (or a cast) to perform the multiplication using unsigned arithmetic. Fixes ArcticaProject/nx-libs#55. Author: Emanuele Giaquinta <emanuele.giaquinta(a)gmail.com> Reviewed-by: Jeremy Huddleston <jeremyhu(a)apple.com> v2: backport to nx-libs 3.6.x (Mike Gabriel) v3: backport to nx-libs 3.5.0.x (Mihai Moldovan) Adds: - 0040_nx-X11_Fix-alpha-premultiplication-in-XRenderPa.full.patch diff --git a/debian/changelog b/debian/changelog index 16a4d2a..e7e6b77 100644 --- a/debian/changelog +++ b/debian/changelog @@ -237,6 +237,14 @@ nx-libs (2:3.5.0.32-0x2go1) UNRELEASED; urgency=low Adds: - 0660_nxcomp_fix-negotiation-in-stage-10-error.full+lite.patch + [ Emanuele Giaquinta ] + * nx-X11: Fix alpha premultiplication in XRenderParseColor. + Fixes: #893. + v2: backport to nx-libs 3.6.x (Mike Gabriel) + v3: backport to nx-libs 3.5.0.x (Mihai Moldovan) + Adds: + - 0040_nx-X11_Fix-alpha-premultiplication-in-XRenderPa.full.patch + -- X2Go Release Manager <git-admin(a)x2go.org> Tue, 17 Mar 2015 19:19:32 +0100 nx-libs (2:3.5.0.31-0x2go1) unstable; urgency=low

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Bug#893: Xft.rgba: rgb, crash on big fonts (3.5.0.x backport reminder)
by Mike Gabriel 23 Jun '15

23 Jun '15

Package: nxagent Forwarded: https://github.com/ArcticaProject/nx-libs/issues/55 Severity: important This is a reminder bug for backporting fix for issue ArcticaProject/nx-libs#55 to 3.5.0.x of nx-libs once a fix has been found. More bug tracking / info collecting for this issue happens on Github [1]. Mike [1] https://github.com/ArcticaProject/nx-libs/issues/55 -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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x2go-dev June 2015