Jarkko Lavinen wrote:
Those reads were stuck since the kernel was in endless retry loop
which was terminated by ddrescue timeout.

There was discuession "ata_eh_link_autopsy: Bug?" in linux-ide about media errors year ago:
  http://comments.gmane.org/gmane.linux.ide/52019

The endless retry on media errors has been fixed in v3.5 kernel.

Thanks for the info. It seems that retrying the same sector several times in a row is mainly a waste of time.


Best regards,
Antonio.

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