On Mon 03 Feb 2020 at 14:02:31 (-0500), Gene Heskett wrote: > On Monday 03 February 2020 13:31:16 David Wright wrote: > > On Mon 03 Feb 2020 at 12:40:20 (-0500), Gene Heskett wrote: > > > I want to look at its directory structure because its different, and > > > I'd like to deduce how to generate it in a kernel make for a newer, > > > preempt-rt kernel. > > > > Yes, I can't mount it either, because I'm not running stretch. > > And I am running stretch with a custom realtime kernel for linuxcnc use. > > > > > Thanks for any enlightenment. > > > > I've given my reason; can you give us yours, for our further > > enlightenment? > > > gene@coyote:~/PublicA/pi-buster$ sudo mount -tvfat /dev/sdf1 /media/sdf1 > mount: wrong fs type, bad option, bad superblock on /dev/sdf1, > missing codepage or helper program, or other error > > In some cases useful info is found in syslog - try > dmesg | tail or so. > > And dmesg says: > [2903524.766017] usb 1-12.4.1.3: new high-speed USB device number 20 > using xhci_hcd > [2903525.047017] usb 1-12.4.1.3: New USB device found, idVendor=048d, > idProduct=1336 > [2903525.047027] usb 1-12.4.1.3: New USB device strings: Mfr=1, > Product=2, SerialNumber=3 > [2903525.047033] usb 1-12.4.1.3: Product: Mass Storage Device > [2903525.047037] usb 1-12.4.1.3: Manufacturer: Generic > [2903525.047041] usb 1-12.4.1.3: SerialNumber: 00000000000006 > [2903525.047961] usb-storage 1-12.4.1.3:1.0: USB Mass Storage device > detected > [2903525.052481] scsi host7: usb-storage 1-12.4.1.3:1.0 > [2903526.760829] scsi 7:0:0:0: Direct-Access Generic Storage Device > 0.00 PQ: 0 ANSI: 2 > [2903526.798501] sd 7:0:0:0: Attached scsi generic sg6 type 0 > [2903526.798879] sd 7:0:0:0: [sdf] 121319424 512-byte logical blocks: > (62.1 GB/57.8 GiB) > [2903526.799039] sd 7:0:0:0: [sdf] Write Protect is off > [2903526.799041] sd 7:0:0:0: [sdf] Mode Sense: 03 00 00 00 > [2903526.799210] sd 7:0:0:0: [sdf] No Caching mode page found > [2903526.799211] sd 7:0:0:0: [sdf] Assuming drive cache: write through > [2903526.801588] sdf: sdf1 sdf2 > [2903526.803323] sd 7:0:0:0: [sdf] Attached SCSI removable disk
I see there are two partitions, which is a little unusual for a USB stick. Are you by any chance trying to write a bootable stick? It might help to know how you wrote this stick, assuming you did. Cheers, David.