Error: command ['sh', '-c', 'dmesg | comm -13 /var/log/dmesg -'] failed with exit code 1: [   98.644606] lp: driver loaded but no devices found
[   98.663750] ppdev: user-space parallel port driver
comm: file 2 is not in sorted order
[  451.752683] sr 1:0:0:0: [sr0] unaligned transfer
[  451.752819] sr 1:0:0:0: [sr0] unaligned transfer
[  452.168570] sr 1:0:0:0: [sr0] unaligned transfer
[  452.168585] sr 1:0:0:0: [sr0] unaligned transfer
[  452.168599] sr 1:0:0:0: [sr0] unaligned transfer
[  452.168612] sr 1:0:0:0: [sr0] unaligned transfer
[  452.168625] sr 1:0:0:0: [sr0] unaligned transfer
[  452.168640] sr 1:0:0:0: [sr0] unaligned transfer
[  452.168653] sr 1:0:0:0: [sr0] unaligned transfer
[  452.224849] sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[  452.224855] sr 1:0:0:0: [sr0] Sense Key : Illegal Request [current] 
[  452.224860] sr 1:0:0:0: [sr0] Add. Sense: Read of scrambled sector without authentication
[  452.224868] end_request: I/O error, dev sr0, sector 2096888
[  452.224873] Buffer I/O error on device sr0, logical block 2096888
[  452.224878] Buffer I/O error on device sr0, logical block 2096889
[  452.224881] Buffer I/O error on device sr0, logical block 2096890
[  452.224884] Buffer I/O error on device sr0, logical block 2096891
[  452.224888] Buffer I/O error on device sr0, logical block 2096892
[  452.224891] Buffer I/O error on device sr0, logical block 2096893
[  452.224895] Buffer I/O error on device sr0, logical block 2096894
[  452.224898] Buffer I/O error on device sr0, logical block 2096895
[  452.285332] sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[  452.285336] sr 1:0:0:0: [sr0] Sense Key : Illegal Request [current] 
[  452.285340] sr 1:0:0:0: [sr0] Add. Sense: Read of scrambled sector without authentication
[  452.285346] end_request: I/O error, dev sr0, sector 2097136
[  452.285349] Buffer I/O error on device sr0, logical block 2097136
[  452.285352] Buffer I/O error on device sr0, logical block 2097137
[  452.286189] sr 1:0:0:0: [sr0] unaligned transfer
[  452.286226] sr 1:0:0:0: [sr0] unaligned transfer