This is still open so I am moving it from user to bugs ... From: myglc2 <myg...@gmail.com> Subject: Re: guixSD - problem with X11 forwarding Newsgroups: gmane.comp.gnu.guix.user To: help-g...@gnu.org Date: Mon, 29 Feb 2016 21:12:51 -0500 (20 weeks, 2 days, 14 hours ago)
l...@gnu.org (Ludovic Courtès) writes: > myglc2 <myg...@gmail.com> skribis: > >> On guixSD, with no packages installed in the login user profile, I get >> 'X11 forwarding request failed on channel 0' > > [...] > >> debug1: channel 0: new [client-session] >> debug1: Entering interactive session. >> debug1: Requesting X11 forwarding with authentication spoofing. >> debug1: Sending environment. >> debug1: Sending env LANG = en_US.UTF-8 >> X11 forwarding request failed on channel 0 > > Right, I see that as well. > > lshd gives some clues in /var/log/messages: > > Feb 23 18:14:09 localhost lshd[430]: lshd: Updating utmp for login failed > (errno = 2): No such file or directory > Feb 23 18:14:09 localhost lshd[430]: lshd: xauth invocation failed: exit > code: 127 > Feb 23 18:14:33 localhost lshd[430]: lshd: Updating utmpx for logout failed > (errno = 2): No such file or directory > Feb 23 18:14:33 localhost lshd[430]: lshd: write_buffer: Attempt to write > data to closed buffer. > Feb 23 18:14:33 localhost lshd[430]: lshd: Disconnect for reason 11: > disconnected by user > > Indeed, server_x11.c in lsh reads: > > #ifndef XAUTH_PROGRAM > # define XAUTH_PROGRAM "/usr/X11R6/bin/xauth" > #endif > > I believe this is fixed by commit da35acf. [...] Not, at lease, in my setup. I am running GuixSD built from git checkout ... b006ba5 [behind 15] pull: Update the version string. On the client, ssh produces ... 'X11 forwarding request failed on channel 0' On the headless server (g1) in /var/log/messages ... Jul 21 12:24:51 localhost lshd[381]: lshd: Failed to cd to `/tmp/.X11-unix' (errno = 2): No such file or directory Jul 21 12:24:51 localhost lshd[381]: lshd: Updating utmp for login failed (errno = 2): No such file or directory With this workaround ... sudo mkdir /tmp/.X11-unix sudo chmod 777 /tmp/.X11-unix ... if I log out and back in X11 forwarding "works" and in /var/log/messages ... Jul 21 12:33:44 localhost lshd[381]: lshd: Updating utmp for login failed (errno = 2): No such file or directory When I logout, in /var/log/messages I see ... Jul 21 12:36:06 localhost lshd[381]: lshd: Updating utmpx for logout failed (errno = 2): No such file or directory Jul 21 12:36:06 localhost lshd[381]: lshd: write_buffer: Attempt to write data to closed buffer. Jul 21 12:36:06 localhost lshd[381]: lshd: Disconnect for reason 11: disconnected by user Of course, the workaround needs to be re-applied each time the server is rebooted. The system and user configs are attached below ;-)
g1.scm
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system.scm
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