I just discovered that the process is completed after some time, getting errors on the last sector. I can remember similar problems using dd one year ago, but don't know what is the cause - maybe block size in read(). The log is self-explanatory. Thank you for your prompt support.
launching command: readcd dev=/dev/hdc f=/home/vincenzo/Desktop/VRMPFPP_EN.iso readcd stderr: Read speed: 9152 kB/s (CD 52x, DVD 6x). readcd stderr: Write speed: 0 kB/s (CD 0x, DVD 0x). readcd stderr: Capacity: 301946 Blocks = 603892 kBytes = 589 MBytes = 618 prMB readcd stderr: Sectorsize: 2048 Bytes readcd stderr: Copy from SCSI (1,0,0) disk to file '/home/vincenzo/Desktop/VRMPFPP_EN.iso' readcd stderr: end: 301946 readcd stderr: addr: 0 cnt: 64 readcd stderr: addr: 64 cnt: 64 [...] readcd stderr: addr: 301888 cnt: 58 readcd stderr: readcd: Success. read_g1: scsi sendcmd: no error readcd stderr: CDB: 28 00 00 04 9B 40 00 00 3A 00 readcd stderr: status: 0x2 (CHECK CONDITION) readcd stderr: Sense Bytes: F0 00 05 00 04 9B 78 0A 00 00 00 00 64 00 00 00 readcd stderr: Sense Key: 0x5 Illegal Request, Segment 0 readcd stderr: Sense Code: 0x64 Qual 0x00 (illegal mode for this track) Fru 0x0 readcd stderr: Sense flags: Blk 301944 (valid) readcd stderr: resid: 118784 readcd stderr: cmd finished after 1.080s timeout 40s readcd stderr: readcd: Success. Cannot read source disk readcd stderr: readcd: Retrying from sector 301888. readcd stderr: .........................................................~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~+~~~-~~~ readcd stderr: readcd: Success. Error on sector 301944 not corrected. Total of 1 errors. readcd stderr: readcd stderr: Time total: 459.927sec readcd stderr: Read 603776.00 kB at 1312.8 kB/sec. readcd stderr: Max corected retry count was 0 (limited to 128). readcd stderr: The following 1 sector(s) could not be read correctly: readcd stderr: 301944 process stdout: HUP process stderr: HUP -- "copy disk" blocks at end https://launchpad.net/bugs/80258 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs