May 18 13:14:06 gi-ubuntu kernel: [10078.684358] end_request: I/O error, dev sr0, sector 9180404
May 18 13:14:06 gi-ubuntu kernel: [10078.684405] UDF-fs: error (device sr0): udf_read_tagged: read failed, block=1883165, location=1883165
May 18 13:14:07 gi-ubuntu kernel: [10079.426989] UDF-fs: warning (device sr0): udf_load_vrs: No anchor found
May 18 13:14:07 gi-ubuntu kernel: [10079.426994] UDF-fs: warning (device sr0): udf_fill_super: No partition found (1)
May 18 13:14:52 gi-ubuntu gnome-session[1774]: WARNING: Unable to restart system: Authorization is required
May 18 13:14:52 gi-ubuntu kernel: [10124.477152] [fglrx] IRQ 45 Disabled
May 18 13:14:52 gi-ubuntu kernel: [10124.562192] HDMI hot plug event: Codec=0 Pin=3 Presence_Detect=1 ELD_Valid=1
May 18 13:14:52 gi-ubuntu kernel: [10124.562211] HDMI status: Codec=0 Pin=3 Presence_Detect=1 ELD_Valid=1
May 18 13:14:52 gi-ubuntu acpid: client 1111[0:0] has disconnected
May 18 13:14:52 gi-ubuntu acpid: client connected from 12624[0:0]
May 18 13:14:52 gi-ubuntu acpid: 1 client rule loaded
May 18 13:14:52 gi-ubuntu kernel: [10124.701251] HDMI hot plug event: Codec=0 Pin=3 Presence_Detect=0 ELD_Valid=0
May 18 13:14:52 gi-ubuntu kernel: [10124.701269] HDMI status: Codec=0 Pin=3 Presence_Detect=0 ELD_Valid=0
May 18 13:14:53 gi-ubuntu kernel: [10124.859831] HDMI status: Codec=0 Pin=3 Presence_Detect=0 ELD_Valid=0
May 18 13:14:53 gi-ubuntu kernel: [10124.902841] fglrx_pci 0000:01:00.0: irq 45 for MSI/MSI-X
May 18 13:14:53 gi-ubuntu kernel: [10124.904532] [fglrx] Firegl kernel thread PID: 12626
May 18 13:14:53 gi-ubuntu kernel: [10124.904795] [fglrx] Firegl kernel thread PID: 12627
May 18 13:14:53 gi-ubuntu kernel: [10124.904968] [fglrx] Firegl kernel thread PID: 12628