> cd /media/cdrom0 > md5sum -c md5sum.txt tab at ubuntutab:/media/cdrom0 $ md5sum -c md5sum.txt error processing ./pool/main/l/linux-source-2.6.10/acpi-modules-2.6.10-4-386-di_2.6.10-25.2_i386.udeb: failed in buffer_read(fd): mdfile: Input/output error ---