On 12/11/2015 03:09 PM, Luís de Sousa wrote: > On 10 December 2015 at 20:54, H McCurdy <hmccurdy@xxxxxxxxx> wrote: >> >> The question is what happens if you try to write many zeros to the device. >> Does it work or does it throw an error? >> >> dd if=/dev/zero of=/dev/sdb1 bs=4096 count=2500 conv=sync >> > > Hello again, > > The dd command goes on ok, but still the cryptsetup initialisation > fails - and with the same error (see below). > > I start suspecting this is an issue with the hardware itself. Are > there other tests I could conduct? > > Thank you, > > Luís > > > $ sudo dd if=/dev/zero of=/dev/sdb1 bs=4096 count=2500 conv=sync > 2500+0 records in > 2500+0 records out > 10240000 bytes (10 MB) copied, 0.579948 s, 17.7 MB/s Could you please try to add to dd command: oflag=direct and try it again? Milan _______________________________________________ dm-crypt mailing list dm-crypt@xxxxxxxx http://www.saout.de/mailman/listinfo/dm-crypt
