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the out put of jouralctl are as this
Nov 18 18:48:58 chinat kernel: NVRM: GPU at 0000:01:00.0 has fallen off the bus.
Nov 18 18:48:59 chinat gnome-session[626]: Gdk-WARNING: The application 'gnome-session' lost its connection to the display :0;
Nov 18 18:48:59 chinat gdm-password][619]: pam_unix(gdm-password:session): session closed for user thinking
Nov 18 18:48:59 chinat gdm-simple-slave[387]: WARNING: Child process 390 was already dead.
Nov 18 18:48:59 chinat gdm-simple-slave[387]: GLib-GObject-CRITICAL: g_object_ref: assertion `object->ref_count > 0' failed
Nov 18 18:48:59 chinat gdm-simple-slave[387]: GLib-GObject-CRITICAL: g_object_unref: assertion `object->ref_count > 0' failed
Nov 18 18:48:59 chinat NetworkManager[371]: <warn> error requesting auth for org.freedesktop.NetworkManager.enable-disable-network: (3) GDBus.Error:org.freedesktop.DBus.Error.N
Nov 18 18:48:59 chinat NetworkManager[371]: <warn> error requesting auth for org.freedesktop.NetworkManager.sleep-wake: (3) GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwne
Nov 18 18:48:59 chinat NetworkManager[371]: <warn> error requesting auth for org.freedesktop.NetworkManager.enable-disable-wifi: (3) GDBus.Error:org.freedesktop.DBus.Error.Name
Nov 18 18:48:59 chinat dbus-daemon[375]: dbus[375]: [system] Rejected send message, 1 matched rules; type="method_call", sender=":1.3" (uid=0 pid=379 comm="/usr/sbin/gdm-binary
Nov 18 18:48:59 chinat dbus[375]: [system] Rejected send message, 1 matched rules; type="method_call", sender=":1.3" (uid=0 pid=379 comm="/usr/sbin/gdm-binary ") interface="org
Nov 18 18:48:59 chinat NetworkManager[371]: <warn> error requesting auth for org.freedesktop.NetworkManager.enable-disable-wwan: (3) GDBus.Error:org.freedesktop.DBus.Error.Name
Nov 18 18:48:59 chinat NetworkManager[371]: <warn> error requesting auth for org.freedesktop.NetworkManager.enable-disable-wimax: (3) GDBus.Error:org.freedesktop.DBus.Error.Nam
Nov 18 18:48:59 chinat NetworkManager[371]: <warn> error requesting auth for org.freedesktop.NetworkManager.network-control: (3) GDBus.Error:org.freedesktop.DBus.Error.NameHasN
Nov 18 18:48:59 chinat NetworkManager[371]: <warn> error requesting auth for org.freedesktop.NetworkManager.wifi.share.protected: (3) GDBus.Error:org.freedesktop.DBus.Error.Nam
Nov 18 18:48:59 chinat NetworkManager[371]: <warn> error requesting auth for org.freedesktop.NetworkManager.wifi.share.open: (3) GDBus.Error:org.freedesktop.DBus.Error.NameHasN
Nov 18 18:48:59 chinat NetworkManager[371]: <warn> error requesting auth for org.freedesktop.NetworkManager.settings.modify.system: (3) GDBus.Error:org.freedesktop.DBus.Error.N
Nov 18 18:48:59 chinat NetworkManager[371]: <warn> error requesting auth for org.freedesktop.NetworkManager.settings.modify.own: (3) GDBus.Error:org.freedesktop.DBus.Error.Name
Nov 18 18:48:59 chinat NetworkManager[371]: <warn> error requesting auth for org.freedesktop.NetworkManager.settings.modify.hostname: (3) GDBus.Error:org.freedesktop.DBus.Error
Nov 18 18:48:59 chinat polkitd[393]: Unregistered Authentication Agent for unix-session:2 (system bus name :1.63, object path /org/freedesktop/PolicyKit1/AuthenticationAgent, l
Nov 18 18:48:59 chinat gdm-simple-slave[23442]: WARNING: Child process 23444 was already dead.
Nov 18 18:48:59 chinat gdm-simple-slave[23442]: GLib-GObject-CRITICAL: g_object_ref: assertion `object->ref_count > 0' failed
Nov 18 18:48:59 chinat gdm-simple-slave[23442]: GLib-GObject-CRITICAL: g_object_unref: assertion `object->ref_count > 0' failed
Nov 18 18:48:59 chinat gdm[379]: gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.197828 seconds
Nov 18 18:48:59 chinat gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.197828 seconds
Nov 18 18:48:59 chinat gdm[379]: gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.202064 seconds
Nov 18 18:48:59 chinat gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.202064 seconds
Nov 18 18:48:59 chinat dbus-daemon[375]: dbus[375]: [system] Rejected send message, 1 matched rules; type="method_call", sender=":1.3" (uid=0 pid=379 comm="/usr/sbin/gdm-binary
Nov 18 18:48:59 chinat dbus[375]: [system] Rejected send message, 1 matched rules; type="method_call", sender=":1.3" (uid=0 pid=379 comm="/usr/sbin/gdm-binary ") interface="org
Nov 18 18:48:59 chinat gdm-simple-slave[23446]: WARNING: Child process 23448 was already dead.
Nov 18 18:48:59 chinat gdm-simple-slave[23446]: GLib-GObject-CRITICAL: g_object_ref: assertion `object->ref_count > 0' failed
Nov 18 18:48:59 chinat gdm-simple-slave[23446]: GLib-GObject-CRITICAL: g_object_unref: assertion `object->ref_count > 0' failed
Nov 18 18:48:59 chinat gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.098475 seconds
Nov 18 18:48:59 chinat gdm[379]: gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.098475 seconds
Nov 18 18:48:59 chinat gdm[379]: gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.100496 seconds
Nov 18 18:48:59 chinat gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.100496 seconds
Nov 18 18:48:59 chinat dbus-daemon[375]: dbus[375]: [system] Rejected send message, 1 matched rules; type="method_call", sender=":1.3" (uid=0 pid=379 comm="/usr/sbin/gdm-binary
Nov 18 18:48:59 chinat dbus[375]: [system] Rejected send message, 1 matched rules; type="method_call", sender=":1.3" (uid=0 pid=379 comm="/usr/sbin/gdm-binary ") interface="org
Nov 18 18:48:59 chinat gdm-simple-slave[23450]: WARNING: Child process 23452 was already dead.
:
Nov 18 18:48:59 chinat NetworkManager[371]: <warn> error requesting auth for org.freedesktop.NetworkManager.settings.modify.system: (3)
Nov 18 18:48:59 chinat NetworkManager[371]: <warn> error requesting auth for org.freedesktop.NetworkManager.settings.modify.own: (3) GD
Nov 18 18:48:59 chinat NetworkManager[371]: <warn> error requesting auth for org.freedesktop.NetworkManager.settings.modify.hostname: (
Nov 18 18:48:59 chinat polkitd[393]: Unregistered Authentication Agent for unix-session:2 (system bus name :1.63, object path /org/free
Nov 18 18:48:59 chinat gdm[379]: gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.202064 seconds
Nov 18 18:48:59 chinat gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.202064 seconds
Nov 18 18:48:59 chinat dbus-daemon[375]: dbus[375]: [system] Rejected send message, 1 matched rules; type="method_call", sender=":1.3"
Nov 18 18:48:59 chinat dbus[375]: [system] Rejected send message, 1 matched rules; type="method_call", sender=":1.3" (uid=0 pid=379 com
Nov 18 18:48:59 chinat gdm-simple-slave[23446]: WARNING: Child process 23448 was already dead.
Nov 18 18:48:59 chinat gdm-simple-slave[23446]: GLib-GObject-CRITICAL: g_object_ref: assertion `object->ref_count > 0' failed
Nov 18 18:48:59 chinat gdm-simple-slave[23446]: GLib-GObject-CRITICAL: g_object_unref: assertion `object->ref_count > 0' failed
Nov 18 18:48:59 chinat gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.098475 seconds
Nov 18 18:48:59 chinat gdm[379]: gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.098475 seconds
Nov 18 18:48:59 chinat gdm[379]: gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.100496 seconds
Nov 18 18:48:59 chinat gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.100496 seconds
Nov 18 18:48:59 chinat dbus-daemon[375]: dbus[375]: [system] Rejected send message, 1 matched rules; type="method_call", sender=":1.3"
Nov 18 18:48:59 chinat dbus[375]: [system] Rejected send message, 1 matched rules; type="method_call", sender=":1.3" (uid=0 pid=379 com
Nov 18 18:48:59 chinat gdm-simple-slave[23450]: WARNING: Child process 23452 was already dead.
Nov 18 18:48:59 chinat gdm-simple-slave[23450]: GLib-GObject-CRITICAL: g_object_ref: assertion `object->ref_count > 0' failed
Nov 18 18:48:59 chinat gdm-simple-slave[23450]: GLib-GObject-CRITICAL: g_object_unref: assertion `object->ref_count > 0' failed
Nov 18 18:48:59 chinat gdm[379]: gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.098075 seconds
Nov 18 18:48:59 chinat gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.098075 seconds
Nov 18 18:48:59 chinat dbus-daemon[375]: dbus[375]: [system] Rejected send message, 1 matched rules; type="method_call", sender=":1.3"
Nov 18 18:48:59 chinat dbus[375]: [system] Rejected send message, 1 matched rules; type="method_call", sender=":1.3" (uid=0 pid=379 com
Nov 18 18:48:59 chinat gdm-simple-slave[23455]: WARNING: Child process 23457 was already dead.
Nov 18 18:48:59 chinat gdm-simple-slave[23455]: GLib-GObject-CRITICAL: g_object_ref: assertion `object->ref_count > 0' failed
Nov 18 18:48:59 chinat gdm-simple-slave[23455]: GLib-GObject-CRITICAL: g_object_unref: assertion `object->ref_count > 0' failed
Nov 18 18:48:59 chinat gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.101658 seconds
Nov 18 18:48:59 chinat gdm[379]: gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.101658 seconds
Nov 18 18:48:59 chinat gdm[379]: gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.103567 seconds
Nov 18 18:48:59 chinat gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.103567 seconds
Nov 18 18:48:59 chinat dbus-daemon[375]: dbus[375]: [system] Rejected send message, 1 matched rules; type="method_call", sender=":1.3"
Nov 18 18:48:59 chinat dbus[375]: [system] Rejected send message, 1 matched rules; type="method_call", sender=":1.3" (uid=0 pid=379 com
Nov 18 18:48:59 chinat gdm-simple-slave[23459]: WARNING: Child process 23461 was already dead.
Nov 18 18:48:59 chinat gdm-simple-slave[23459]: GLib-GObject-CRITICAL: g_object_ref: assertion `object->ref_count > 0' failed
Nov 18 18:48:59 chinat gdm-simple-slave[23459]: GLib-GObject-CRITICAL: g_object_unref: assertion `object->ref_count > 0' failed
Nov 18 18:48:59 chinat gdm[379]: gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.107912 seconds
Nov 18 18:48:59 chinat gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.107912 seconds
Nov 18 18:48:59 chinat dbus-daemon[375]: dbus[375]: [system] Rejected send message, 1 matched rules; type="method_call", sender=":1.3"
Nov 18 18:48:59 chinat dbus[375]: [system] Rejected send message, 1 matched rules; type="method_call", sender=":1.3" (uid=0 pid=379 com
Nov 18 18:49:00 chinat gdm-simple-slave[23463]: WARNING: Child process 23466 was already dead.
Nov 18 18:49:00 chinat gdm-simple-slave[23463]: GLib-GObject-CRITICAL: g_object_ref: assertion `object->ref_count > 0' failed
Nov 18 18:49:00 chinat gdm-simple-slave[23463]: GLib-GObject-CRITICAL: g_object_unref: assertion `object->ref_count > 0' failed
Nov 18 18:49:00 chinat gdm[379]: gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.108835 seconds
Nov 18 18:49:00 chinat gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.108835 seconds
Nov 18 18:49:00 chinat gdm[379]: gdm-binary[379]: WARNING: GdmLocalDisplayFactory: maximum number of X display failures reached: check
Nov 18 18:49:00 chinat gdm-binary[379]: WARNING: GdmLocalDisplayFactory: maximum number of X display failures reached: check X server l
Nov 18 18:49:00 chinat gdm[379]: gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.111018 seconds
Nov 18 18:49:00 chinat gdm-binary[379]: WARNING: GdmDisplay: display lasted 0.111018 seconds
Nov 18 18:49:46 chinat systemd-logind[373]: Power key pressed.
Nov 18 18:49:46 chinat systemd-logind[373]: Powering Off...
Nov 18 18:49:46 chinat systemd-logind[373]: System is powering down.
i think the key error is
Nov 18 18:48:58 chinat kernel: NVRM: GPU at 0000:01:00.0 has fallen off the bus.
i must saw this error before. and just before the desktop died, i was just listening music with miro and suffering the internet with chromium.
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1. What comes before that message?
2. Is it a laptop? If so, do you have laptop-mode-tools installed?
3. Kernel version? Is you software up-to-date?
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1. What comes before that message?
2. Is it a laptop? If so, do you have laptop-mode-tools installed?
3. Kernel version? Is you software up-to-date?
the messages before thi error are as below.
Nov 18 18:31:38 chinat dbus-daemon[375]: dbus[375]: [system] Activating via systemd: service name='org.freedesktop.hostname1' unit='dbu
Nov 18 18:31:38 chinat dbus[375]: [system] Activating via systemd: service name='org.freedesktop.hostname1' unit='dbus-org.freedesktop.
Nov 18 18:31:38 chinat systemd[1]: Starting Hostname Service...
Nov 18 18:31:38 chinat dbus-daemon[375]: dbus[375]: [system] Successfully activated service 'org.freedesktop.hostname1'
Nov 18 18:31:38 chinat dbus[375]: [system] Successfully activated service 'org.freedesktop.hostname1'
Nov 18 18:31:38 chinat systemd[1]: Started Hostname Service.
Nov 18 18:33:18 chinat systemd[1]: Starting Cleanup of Temporary Directories...
Nov 18 18:33:18 chinat systemd-tmpfiles[6619]: stat(/run/user/1000/gvfs) failed: Permission denied
Nov 18 18:33:19 chinat systemd[1]: Started Cleanup of Temporary Directories.
Nov 18 18:34:21 chinat sudo[7688]: thinking : TTY=pts/0 ; PWD=/usr/share/applications ; USER=root ; COMMAND=/usr/bin/pacman -Rsc epipha
Nov 18 18:34:21 chinat sudo[7688]: pam_unix(sudo:session): session opened for user root by thinking(uid=0)
Nov 18 18:34:39 chinat sudo[7688]: pam_unix(sudo:session): session closed for user root
Nov 18 18:34:44 chinat sudo[8129]: thinking : TTY=pts/0 ; PWD=/usr/share/applications ; USER=root ; COMMAND=/usr/bin/pacman -Syu
Nov 18 18:34:44 chinat sudo[8129]: pam_unix(sudo:session): session opened for user root by thinking(uid=0)
Nov 18 18:35:15 chinat systemd[1]: Mounting Arbitrary Executable File Formats File System...
Nov 18 18:35:15 chinat systemd[1]: Mounted Arbitrary Executable File Formats File System.
Nov 18 18:35:18 chinat sudo[8129]: pam_unix(sudo:session): session closed for user root
Nov 18 18:37:53 chinat dbus-daemon[375]: dbus[375]: [system] Activating via systemd: service name='org.freedesktop.hostname1' unit='dbu
Nov 18 18:37:53 chinat dbus[375]: [system] Activating via systemd: service name='org.freedesktop.hostname1' unit='dbus-org.freedesktop.
Nov 18 18:37:53 chinat systemd[1]: Starting Hostname Service...
Nov 18 18:37:53 chinat dbus-daemon[375]: dbus[375]: [system] Successfully activated service 'org.freedesktop.hostname1'
Nov 18 18:37:53 chinat dbus[375]: [system] Successfully activated service 'org.freedesktop.hostname1'
Nov 18 18:37:53 chinat systemd[1]: Started Hostname Service.
Nov 18 18:48:58 chinat kernel: NVRM: GPU at 0000:01:00.0 has fallen off the bus.
Nov 18 18:48:59 chinat gnome-session[626]: Gdk-WARNING: The application 'gnome-session' lost its connection to the display :0;
yes, it's laptop, and i didn't install laptop-mode-tools. is it necessary? what's it's job?
my kernel verison is Linux chinat 3.6.6-1-ARCH #1 SMP PREEMPT Mon Nov 5 13:14:42 CET 2012 i686 GNU/Linux, and i think all softwares are up to date.
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Disregard my question on laptop-mode-tools, the issue I found with it only applied when no driver was loaded on kernel 3.6 (a stable fix is available for that).
Have you seen it happening before? What if you use nouveau?
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