Apr 26 21:29:55 ragnarok kernel: [ 4296.185369] __ratelimit: 21 callbacks suppressed
Apr 26 21:29:55 ragnarok kernel: [ 4296.185373] rhythmbox-metad[3509]: segfault at 100000000 ip 00007f7e6172ef9e sp 00007f7e614166a8 error 4 in libjpeg.so.62.0.0[7f7e61718000+23000]
Apr 26 22:08:12 ragnarok kernel: [ 6592.777691] cdrom: This disc doesn't have any tracks I recognize!
Apr 26 22:08:12 ragnarok kernel: [ 6592.820827] sr 4:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Apr 26 22:08:12 ragnarok kernel: [ 6592.820832] sr 4:0:0:0: [sr0] Sense Key : Illegal Request [current] 
Apr 26 22:08:12 ragnarok kernel: [ 6592.820836] sr 4:0:0:0: [sr0] Add. Sense: Logical block address out of range
Apr 26 22:08:12 ragnarok kernel: [ 6592.820841] end_request: I/O error, dev sr0, sector 0
Apr 26 22:08:12 ragnarok kernel: [ 6592.820844] Buffer I/O error on device sr0, logical block 0
Apr 26 22:08:12 ragnarok kernel: [ 6592.823062] sr 4:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Apr 26 22:08:12 ragnarok kernel: [ 6592.823066] sr 4:0:0:0: [sr0] Sense Key : Illegal Request [current] 
Apr 26 22:08:12 ragnarok kernel: [ 6592.823070] sr 4:0:0:0: [sr0] Add. Sense: Logical block address out of range
Apr 26 22:08:12 ragnarok kernel: [ 6592.823074] end_request: I/O error, dev sr0, sector 0
Apr 26 22:08:12 ragnarok kernel: [ 6592.823077] Buffer I/O error on device sr0, logical block 0
Apr 26 22:08:50 ragnarok kernel: [ 6630.819049] warning: `growisofs' uses 32-bit capabilities (legacy support in use)