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Xserver 權限被拒絕 tty7

tag-icon • tag-icon permissions xorg 16.04
Xserver 權限被拒絕 tty7

我有一個帶有 kodi 的 linux 盒子和以下 systemd 腳本來在啟動時啟動 kodi：

[Unit]
Description = kodi-standalone using xinit
After = systemd-user-sessions.service network.target sound.target network-online.target

[Service]
User = kodi
Group = kodi
Type = simple
PAMName=login
ExecStart = /usr/bin/xinit /usr/bin/dbus-launch --exit-with-session /usr/bin/openbox-session -- :0 -nolisten tcp vt7
Restart = on-abort

[Install]
WantedBy = multi-user.target

這在 Ubuntu 15.10 下工作正常，但升級後就不再工作了。服務無法啟動

Apr 24 17:30:19 rasnas sudo[3644]: kodi : TTY=pts/0 ; PWD=/home/kodi ; USER=root ; COMMAND=/usr/sbin/service kodi start Apr 24 17:30:19 rasnas sudo[3644]: pam_unix(sudo:session): session opened for user root by kodi(uid=0) Apr 24 17:30:19 rasnas systemd[1]: Starting Detect the available GPUs and deal with any system changes... Apr 24 17:30:19 rasnas gpu-manager[3671]: /etc/modprobe.d is not a file Apr 24 17:30:19 rasnas gpu-manager[3671]: /etc/modprobe.d is not a file Apr 24 17:30:19 rasnas gpu-manager[3671]: /etc/modprobe.d is not a file Apr 24 17:30:19 rasnas gpu-manager[3671]: /etc/modprobe.d is not a file Apr 24 17:30:19 rasnas gpu-manager[3671]: /etc/modprobe.d is not a file Apr 24 17:30:19 rasnas gpu-manager[3671]: update-alternatives: error: no alternatives for x86_64-linux-gnu_gfxcore_conf Apr 24 17:30:19 rasnas systemd[1]: Started Detect the available GPUs and deal with any system changes. Apr 24 17:30:19 rasnas systemd[1]: Started kodi-standalone using xinit. Apr 24 17:30:19 rasnas sudo[3644]: pam_unix(sudo:session): session closed for user root Apr 24 17:30:19 rasnas systemd[3692]: pam_unix(login:session): session opened for user kodi by (uid=0) Apr 24 17:30:19 rasnas systemd[1]: Started Session 11 of user kodi. Apr 24 17:30:19 rasnas systemd[3692]: pam_ck_connector(login:session): cannot determine display-device Apr 24 17:30:19 rasnas xinit[3692]: X.Org X Server 1.18.3 Apr 24 17:30:19 rasnas xinit[3692]: Release Date: 2016-04-04 Apr 24 17:30:19 rasnas xinit[3692]: X Protocol Version 11, Revision 0 Apr 24 17:30:19 rasnas xinit[3692]: Build Operating System: Linux 3.13.0-85-generic x86_64 Ubuntu Apr 24 17:30:19 rasnas xinit[3692]: Current Operating System: Linux rasnas 4.4.0-21-generic #37-Ubuntu SMP Mon Apr 18 18:33:37 UTC 2016 x86_64 Apr 24 17:30:19 rasnas xinit[3692]: Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.4.0-21-generic root=UUID=1bca803d-6ad4-4e76-bc0d-10d37e041d51 ro quiet splash vt.handoff=7 Apr 24 17:30:19 rasnas xinit[3692]: Build Date: 07 April 2016 09:18:50AM Apr 24 17:30:19 rasnas xinit[3692]: xorg-server 2:1.18.3-1ubuntu2 (For technical support please see http://www.ubuntu.com/support) Apr 24 17:30:19 rasnas xinit[3692]: Current version of pixman: 0.33.6 Apr 24 17:30:19 rasnas xinit[3692]: Before reporting problems, check http://wiki.x.org Apr 24 17:30:19 rasnas xinit[3692]: to make sure that you have the latest version. Apr 24 17:30:19 rasnas xinit[3692]: Markers: (--) probed, (**) from config file, (==) default setting, Apr 24 17:30:19 rasnas xinit[3692]: (++) from command line, (!!) notice, (II) informational, Apr 24 17:30:19 rasnas xinit[3692]: (WW) warning, (EE) error, (NI) not implemented, (??) unknown. Apr 24 17:30:19 rasnas xinit[3692]: (==) Log file: "/home/kodi/.local/share/xorg/Xorg.0.log", Time: Sun Apr 24 17:30:19 2016 Apr 24 17:30:19 rasnas xinit[3692]: (==) Using system config directory "/usr/share/X11/xorg.conf.d" Apr 24 17:30:19 rasnas xinit[3692]: (EE) Apr 24 17:30:19 rasnas xinit[3692]: Fatal server error: Apr 24 17:30:19 rasnas xinit[3692]: (EE) xf86OpenConsole: Cannot open virtual console 7 (Permission denied) Apr 24 17:30:19 rasnas xinit[3692]: (EE) Apr 24 17:30:19 rasnas xinit[3692]: (EE) Apr 24 17:30:19 rasnas xinit[3692]: Please consult the The X.Org Foundation support Apr 24 17:30:19 rasnas xinit[3692]: at http://wiki.x.org Apr 24 17:30:19 rasnas xinit[3692]: for help. Apr 24 17:30:19 rasnas xinit[3692]: (EE) Please also check the log file at "/home/kodi/.local/share/xorg/Xorg.0.log" for additional information. Apr 24 17:30:19 rasnas xinit[3692]: (EE) Apr 24 17:30:19 rasnas xinit[3692]: (EE) Server terminated with error (1). Closing log file. Apr 24 17:30:23 rasnas hyperiond[853]: V4L2 Grabber: Signal lost Apr 24 17:30:34 rasnas xinit[3692]: /usr/bin/xinit: giving up Apr 24 17:30:34 rasnas xinit[3692]: /usr/bin/xinit: unable to connect to X server: Connection refused Apr 24 17:30:34 rasnas xinit[3692]: /usr/bin/xinit: server error Apr 24 17:30:34 rasnas systemd[3697]: pam_unix(login:session): session closed for user kodi

那我該如何解決這個問題呢？請注意，使用 15.10 一切正常！

謝謝！

答案1

我今天遇到了這個錯誤。經過一番調查，提供了解決方案透過 Kodi 操作方法。第 5 章說：

從 Ubuntu 16.04 (Xenial Xerus) 開始，您需要安裝並重新配置該軟體包xserver-xorg-legacy。

它在我的裝備上運作良好。

答案2

好吧，這不是最好的解決方案，但/dev/tty7在啟動 kodi 之前將 systemd 啟動作業更改為 chmod 似乎可以「修復」它。如果有人有更好、更 ubuntu 的方法，請賜教：D

[單元]
描述 = 使用 xinit 的 kodi-standalone
之後 = systemd-user-sessions.service network.target sound.target network-online.target

[服務]
用戶 = 科迪
組=科迪
類型 = 簡單
PAM名稱=登入
ExecStartPre=/bin/chmod 777 /dev/tty7
權限僅開始=true
ExecStart = /usr/bin/xinit /usr/bin/dbus-launch --exit-with-session /usr/bin/openbox-session -- :0 -nolisten tcp vt7
重新啟動=中止

[安裝]
WantedBy = 多用戶.目標

答案3

如果您無論如何都在使用 systemd，另一個可能讓它發揮作用的想法是讓 systemd 充當 X 和 root 權限之間的代理。

這需要安裝libpam-systemd才能systemd-logind在控制台上正常工作（參見關於 Xorg 伺服器不再需要 root 的 Debian 9 發行說明），並從使用普通切換xinit到使用startx包裝器（參見Debian 錯誤 #801401）。

我不知道這個 Kodi 用例的具體情況，但在研究一般問題時偶然發現了這個問題，所以我想我最好寫下這篇文章來幫助其他人把這些點聯繫起來。

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