Hi Nik,

On Monday 10 December 2018 19:33:50 Dr. Nikolaus Klepp wrote:
> Am Montag, 10. Dezember 2018 schrieb Baron:
> > Hi Dan, Guys,
> >
> > On Monday 10 December 2018 16:59:25 Dan Youngquist wrote:
> > > On 12/08/2018 12:23 PM, Baron wrote:
> > > > If I have a HDD connected via a USB adaptor, I've found that
> > > > after an initial plugging and use, then safely removing it,
> > > > going back to it, in the same session, it may or may not be
> > > > recognised.
> > >
> > > I've always had a similar problem when using Safely Remove. 
> > > The solution is to use Unmount rather than Safely Remove; then
> > > you can mount & unmount it as many times as you like with no
> > > problems.
> >
> > I will try that option !
> > However I think I've killed my USB - HDD adaptor !  Non of the
> > machines that I have now even recognise that I've plugged the
> > thing in.  That's two desktops and my laptop.  The ports are OK
> > since they all recognise my USB sticks.
> >
> > I'll order a new one and try again.
>
> What does dmesg say when plugging in?


Absolutely nothing, but if I plug in a USB stick I get this,

[ 7258.600228] usb 1-1.1: new high-speed USB device number 3 using 
ehci-pci
[ 7258.694671] usb 1-1.1: New USB device found, idVendor=1aa6, 
idProduct=0201
[ 7258.694676] usb 1-1.1: New USB device strings: Mfr=1, Product=2, 
SerialNumber                        =3
[ 7258.694680] usb 1-1.1: Product: USB 2.0 Flash
[ 7258.694683] usb 1-1.1: Manufacturer: USB
[ 7258.694685] usb 1-1.1: SerialNumber: 05100846020087
[ 7258.745210] usb-storage 1-1.1:1.0: USB Mass Storage device detected
[ 7258.745352] scsi6 : usb-storage 1-1.1:1.0
[ 7258.745408] usbcore: registered new interface driver usb-storage
[ 7259.745916] scsi 6:0:0:0: Direct-Access     USB      USB 2.0 Flash    
1.00 PQ                        : 0 ANSI: 0
[ 7259.746137] sd 6:0:0:0: Attached scsi generic sg2 type 0
[ 7259.746987] sd 6:0:0:0: [sdb] 127104 512-byte logical blocks: (65.0 
MB/62.0 M                        iB)
[ 7259.747756] sd 6:0:0:0: [sdb] Write Protect is off
[ 7259.747759] sd 6:0:0:0: [sdb] Mode Sense: 03 00 00 00
[ 7259.748356] sd 6:0:0:0: [sdb] No Caching mode page found
[ 7259.748357] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[ 7259.754413]  sdb: sdb1
[ 7259.757635] sd 6:0:0:0: [sdb] Attached SCSI removable disk
[ 7260.385411] FAT-fs (sdb1): utf8 is not a recommended IO charset for 
FAT files                        ystems, filesystem will be case 
sensitive!

When I remove it this line gets added.
[ 7902.788999] usb 1-1.1: USB disconnect, device number 3

Does this help ?                               
-- 
Best Regards:
            Baron