Oh, I just needed "exec 2> .local/share/xorg/xorg.err.log" in the already present /usr/bin/Xorg wrapper. OK. So now I get:
synrg@lear:~$ cat .local/share/xorg/xorg.err.log /usr/lib/xorg/Xorg.wrap: Only console users are allowed to run the X server I think you're on the right track with my Xwrapper.config and polkit. I added that config a long time ago. I'll check and see if that option is even valid anymore, and if it is, then look at polkit configuration. Ben On Mon, Jan 2, 2017 at 4:02 PM, Ben Armstrong <synerg...@gmail.com> wrote: > > > On Sun, Jan 1, 2017 at 1:05 PM, Dominik George <n...@naturalnet.de> wrote: > >> > I had originally similar thoughts, but after many unsuccessful attempts >> > to get the actual Xorg failure logged somewhere, I eventually gave up >> > (e.g. param lines in sesman.ini to pass -logfile and its argument). If >> > you could help me find a solution to that, I could try to get it to >> > give me an error message ... >> >> What happens if you add -logfile xorg.log to params (and restart >> sesman)? >> > > sesman.ini excerpt: > > [Xorg] > param=Xorg > param=-config > param=xrdp/xorg.conf > param=-noreset > param=-nolisten > param=tcp > param=-logfile > param=.local/share/xorg/Xorg.xrdp.log > > after sesman is restarted and I attempted to connect (and failed): > > synrg@lear:~$ ls -l .local/share/xorg/Xorg.xrdp.log > ls: cannot access '.local/share/xorg/Xorg.xrdp.log': No such file or > directory > > Here's the error output from journalctl: > > Jan 02 15:56:47 lear xrdp-sesman[15215]: (15215)(-148404480)[INFO ] Xorg > :10 -auth .Xauthority -config xrdp/xorg.conf -noreset -nolisten tcp > -logfile .local/share/xorg/Xorg.xrdp.log > Jan 02 15:56:57 lear xrdp-sesman[15213]: (15213)(-148404480)[ERROR] X > server for display 10 startup timeout > Jan 02 15:56:57 lear xrdp-sesman[15213]: (15213)(-148404480)[INFO ] > starting xrdp-sessvc - xpid=15215 - wmpid=15214 > Jan 02 15:56:57 lear xrdp-sesman[15214]: (15214)(-148404480)[ERROR] X > server for display 10 startup timeout > Jan 02 15:56:57 lear xrdp-sesman[15214]: pam_unix(gdm:session): session > opened for user synrg by (uid=0) > Jan 02 15:56:57 lear xrdp-sesman[15211]: (15211)(-148404480)[INFO ] ++ > terminated session: username synrg, display :10.0, session_pid 15213, ip > 0.0.0.0:49136 - socket: 12 > > > The very same [Xorg] session as above successfully creates > .local/share/xorg/Xorg.xrdp.log when run with the older xrdp I cited > before. > > > >> It should then create the log file either in ~/.local/shared/xorg.log or >> ~/xorg.log or /var/log/xorg.log. >> >> If it doesn't, I'm somewhat surprised… >> > > > So am I. Frustrating. It must find something about the parameters passed > objectionable and therefore fails to even start the Xorg instance, let > alone log its output. I'd love to see stderr from the command, but I don't > know how to do that. I think I'd have to replace param=Xorg with a wrapper > script that did the logging ... Maybe I'll try this next. > > > >> >> Some random questions: >> >> * Is your Xorg binary suid root? >> > > No: > > synrg@lear:~$ ls -la /usr/bin/Xorg > -rwxr-xr-x 1 root root 274 Dec 16 14:39 /usr/bin/Xorg > > > > >> * Do you have policykit? >> > > Yes: > > synrg@lear:~$ ps auxw |grep -i polkit > root 592 0.0 0.1 39488 4840 ? Ssl 2016 0:03 > /usr/lib/policykit-1/polkitd --no-debug > > > >> * What's in /etc/X11/Xwrapper.config ? >> > > synrg@lear:~$ sudo cat /etc/X11/Xwrapper.config > # Xwrapper.config (Debian X Window System server wrapper configuration > file) > # > # This file was generated by the post-installation script of the x11-common > # package using values from the debconf database. > # > # See the Xwrapper.config(5) manual page for more information. > # > # This file is automatically updated on upgrades of the x11-common package > # *only* if it has not been modified since the last upgrade of that > package. > # > # If you have edited this file but would like it to be automatically > updated > # again, run the following command as root: > # dpkg-reconfigure x11-common > allowed_users=anybody > > Ben > >
