If it's not in the logfiles you can find this in the sys.log just after attaching device
Nov 25 11:45:25 Kamil kernel: [ 1016.227767] scsi12 : usb-storage 1-6:1.0 Nov 25 11:45:26 Kamil kernel: [ 1017.222694] scsi 12:0:0:0: Direct-Access Generic STORAGE DEVICE 9451 PQ: 0 ANSI: 0 Nov 25 11:45:26 Kamil kernel: [ 1017.223071] sd 12:0:0:0: Attached scsi generic sg3 type 0 Nov 25 11:45:26 Kamil kernel: [ 1017.230237] sd 12:0:0:0: [sdc] Attached SCSI removable disk Nov 25 11:45:26 Kamil gdm-session-worker[4392]: GLib-GObject-CRITICAL: g_value_get_boolean: assertion `G_VALUE_HOLDS_BOOLEAN (value)' failed Nov 25 11:45:27 Kamil gdm-session-worker[4452]: WARNING: Unable to load file '/etc/gdm/custom.conf': No such file or directory Nov 25 11:45:28 Kamil gdm-session-worker[4452]: GLib-GObject-CRITICAL: g_value_get_boolean: assertion `G_VALUE_HOLDS_BOOLEAN (value)' failed Nov 25 11:45:28 Kamil NetworkManager[1161]: <error> [1290681928.692163] [nm-manager.c:1317] user_proxy_init(): could not init user settings proxy: (3) Could not get owner of name 'org.freedesktop.NetworkManagerUserSettings': no such name Nov 25 11:45:28 Kamil NetworkManager[1161]: <error> [1290681928.729905] [nm-manager.c:1317] user_proxy_init(): could not init user settings proxy: (3) Could not get owner of name 'org.freedesktop.NetworkManagerUserSettings': no such name Nov 25 11:45:30 Kamil rtkit-daemon[2023]: Successfully made thread 4549 of process 4549 (n/a) owned by '1000' high priority at nice level -11. Nov 25 11:45:30 Kamil rtkit-daemon[2023]: Supervising 5 threads of 2 processes of 2 users. -- Xorg crash on attaching or detaching any USB device https://bugs.launchpad.net/bugs/681321 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs