[TriLUG] Live image does something strange to USBs

[Nathan Yinger via TriLUG]

That did the trick, thanks!

On Mon, May 8, 2017 at 9:32 AM, Brian Henning via TriLUG <trilug at trilug.org>
wrote:

> It sounds like maybe the partition table on the flash drive is messed up
> somehow.  Have you tried writing zeros to the first 64 sectors and running
> gparted again?
>
> $ dd if=/dev/zero of=/dev/sdX bs=512 count=64
>
> (where sdX is the device node for the flash drive)
>
> A stab in the dark...
> -Brian
>
> -----Original Message-----
> From: TriLUG [mailto:trilug-bounces+bhenning=pineresearch.com at trilug.org]
> On Behalf Of Nathan Yinger via TriLUG
> Sent: Monday, May 08, 2017 7:57 AM
> To: Triangle Linux Users Group General Discussion <trilug at trilug.org>
> Subject: [TriLUG] Live image does something strange to USBs
>
> So this is the second time I've had this problem. It goes like this:
>
> 1 - I make a bootable flash drive.
> 2 - The flash drive works fine for installing an OS.
> 3 - I try to repartition it for use as a regular flash drive again
> 4 - Gparted shows an error when it opens: "The driver descriptor says the
> physical block size is 2048 bytes, but Linux says it is 512 bytes."
> 5 - After ignoring the error, the flash drive appears is Gparted's list of
> devices, but the capacity shown is 4x what it should be.
> 6 - If I try to change the partitions, I get more popups with the same
> error message, and the partitions don't change.
>
> What causes this? How do I get my flash drive back to normal?
>
> This time I used Fedora's Media Writer to create the live USB. Last time I
> might have used that, or unetbootin, I forget.
>
> Thanks,
> ~Nathan
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