Re: DD bs=4M option on USB mem-stick creates false format
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On Tue, Mar 28, 2017 at 06:53:08AM -0500, Richard Owlett wrote:
> On 03/28/2017 05:10 AM, Thomas Schmitt wrote:
> >[snip]
> >
> >It would be interesting to see how various partition editors react on
> >this state of the USB stick. Can they reduce the size of partition 3 ?
> >Can they remove partition 3 and add on new one ?
> >
>
> That looked interesting. As I had a flash drive with Jessie's
> netinst on it, I did a test run. It was not successful. The md5 of
> the code was correct.
>
> I am running Debian 8.6.0 with MATE desktop.
> Clicking on the drive's icon and selecting properties reports:
> Name: Debian 8.7.1 M-A 1
> Type: folder (inode/directory)
> Contents: 2,613 items, totalling 614.6 MB
> Location: on the desktop
> Volume: Debian 8.7.1 M-A 1
> Filesystem type: isofs
>
> A copy-n-paste from my terminal is:
> richard@march-9-Jessie:~$ su
> Password:
> root@march-9-Jessie:/home/richard# /sbin/fdisk -l /dev/sdb
>
> Disk /dev/sdb: 7.2 GiB, 7746879488 bytes, 15130624 sectors
> Units: sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disklabel type: dos
> Disk identifier: 0x0400c414
>
> Device Boot Start End Sectors Size Id Type
> /dev/sdb1 * 0 1140735 1140736 557M 0 Empty
> /dev/sdb2 4156 5531 1376 688K ef EFI (FAT-12/16/32)
>
> root@march-9-Jessie:/home/richard# chmod o+rw /dev/sdb
> root@march-9-Jessie:/home/richard# exit
> richard@march-9-Jessie:~$ chmod u+x /home/richard/Downloads/make_isombr_part
> richard@march-9-Jessie:~$ /home/richard/Downloads/make_isombr_part
> /dev/sdb auto 83
> bash: /home/richard/Downloads/make_isombr_part: cannot execute
> binary file: Exec format error
> richard@march-9-Jessie:~$
I'd guess there's a difference between Thomas's processor architecture
and yours. For a first stab, try those:
file /home/richard/Downloads/make_isombr_part
file /bin/ls
(Yes, I know Richard's box can be multiarch, but that'd be the next
stab :)
> Operator error or other?
It's always the operator ;-) ;-)
Regards
- -- tomás
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