Show pagesourceBack to top Share via Share via... Twitter LinkedIn Telegram Yammer RedditRecent ChangesSend via e-MailPrintPermalink × Table of Contents journal SysRq solutions to common problems CD burning doesn't work with BD burners encryption-related tasks take a long time Plank panel doesn't show active applications changing permissions not allowed for user root D-Bus broker doesn't start properly GDBus.Error:org.freedesktop.portal.Error.Failed AT-SPI related errors Drivers / Hardware AMD RX Vega 56/64 doesn't boot on Arch Linux Troubleshooting Linux Problems journal The journal is where systems with the systemd init system store their logfiles. journalctl can show most of the errors occuring in the system. SysRq see also: Linux Kernel documentation on SysRq # enable all SysRq features echo 1 | sudo tee /proc/sys/kernel/sysrq > /dev/null 2 0x2 enable control of console logging level 4 0x4 enable control of keyboard (SAK, unraw) 8 0x8 enable debugging dumps of processes etc. 16 0x10 enable sync command 32 0x20 enable remount read-only 64 0x40 enable signalling of processes (term, kill, oom-kill) 128 0x80 allow reboot/poweroff 256 0x100 allow nicing of all RT tasks solutions to common problems CD burning doesn't work with BD burners Try disabling Stream Recording, it's enabled by default in xfburn for all Blu-Ray writers and will kill your CDs. Only enable it with BDs. encryption-related tasks take a long time Install haveged for more entropy generation. Plank panel doesn't show active applications If you start the panel in the terminal the following error message can occur: g_dbus_proxy_set_default_timeout: assertion 'G_IS_DBUS_PROXY (proxy)' failed Solve it by starting plank via dbus-launch plank. changing permissions not allowed for user root Immutable bit might be set. chattr -i D-Bus broker doesn't start properly Possible error messages: systemd[11487]: dbus-broker.service: Start request repeated too quickly. systemd[11487]: dbus-broker.service: Failed with result 'protocol'. systemd[11487]: Failed to start D-Bus User Message Bus. gnome-keyring-daemon[11514]: couldn't connect to dbus session bus: Could not connect: Connection refused dbus-broker-launch[1170]: Activation request for 'org.a11y.atspi.Registry' failed. gkr-pam: unable to locate daemon control file dbus-broker-launch[1290]: Activation request for 'org.a11y.atspi.Registry' failed. dbus-broker-launch[1582]: Activation request for 'org.a11y.atspi.Registry' failed. Solve with enabling D-Bus for the user: systemctl --user enable dbus-daemon.service GDBus.Error:org.freedesktop.portal.Error.Failed Errors may include: xdg-desktop-portal[2779]: Failed to create secret proxy xdg-desktop-portal[2779]: Failed to get application states: GDBus.Error:org.freedesktop.portal.Error.Failed: Could not get window list Solution: Remove xdg-desktop-portal(-gtk) packages. AT-SPI related errors bamfdaemon[5470]: AT-SPI: Could not obtain desktop path or name dbus-broker-launch[5425]: Activation request for 'org.a11y.atspi.Registry' failed. bamfdaemon[5470]: atk-bridge: GetRegisteredEvents returned message with unknown signature bamfdaemon[5470]: atk-bridge: get_device_events_reply: unknown signature dbus-broker-launch[5425]: Activation request for 'org.a11y.atspi.Registry' failed. Solution: rm /etc/xdg/autostart/at-spi-dbus-bus.desktop Drivers / Hardware AMD RX Vega 56/64 doesn't boot on Arch Linux downgrade linux-firmware to version 20181218.0f22c85-1 Last modified: 2020-04-11 14:28