I can't make any sense of it. It's doing this with 2 different SDcards, I think - this is the brand new replacement for one which I believe(d) to be knackered.
Instead of mounting the SDcard, it's mounting the loopback device. A card, as /dev/sdb, was previously zeroed over and repartitioned a couple of days ago. I bet if I reboot the system it'll be recognised. How do I get it to be recognised now? Thanks in advance for your thoughts, Stroller. $ sudo grep kernel /var/log/messages Aug 29 13:49:46 alrai kernel: usb 1-1: new high-speed USB device number 5 usingehci-pci Aug 29 13:49:46 alrai kernel: usb 1-1: New USB device found, idVendor=0bda, idProduct=0136 Aug 29 13:49:46 alrai kernel: usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 Aug 29 13:49:46 alrai kernel: usb 1-1: Product: USB2.0-CRW Aug 29 13:49:46 alrai kernel: usb 1-1: Manufacturer: Generic Aug 29 13:49:46 alrai kernel: usb 1-1: SerialNumber: 20060413092100000 Aug 29 13:49:46 alrai kernel: usb-storage 1-1:1.0: USB Mass Storage device detected Aug 29 13:49:46 alrai kernel: scsi host6: usb-storage 1-1:1.0 Aug 29 13:49:47 alrai kernel: scsi 6:0:0:0: Direct-Access Generic- Card Reader 1.00 PQ: 0 ANSI: 0 CCS Aug 29 13:49:47 alrai kernel: sd 6:0:0:0: Attached scsi generic sg1 type 0 Aug 29 13:49:48 alrai kernel: sd 6:0:0:0: [sdb] 62521344 512-byte logical blocks: (32.0 GB/29.8 GiB) Aug 29 13:49:48 alrai kernel: sd 6:0:0:0: [sdb] Write Protect is off Aug 29 13:49:48 alrai kernel: sd 6:0:0:0: [sdb] Mode Sense: 03 00 00 00 Aug 29 13:49:48 alrai kernel: sd 6:0:0:0: [sdb] No Caching mode page found Aug 29 13:49:48 alrai kernel: sd 6:0:0:0: [sdb] Assuming drive cache: write through Aug 29 13:49:48 alrai kernel: sdb: sdb1 Aug 29 13:49:48 alrai kernel: sd 6:0:0:0: [sdb] Attached SCSI removable disk Aug 29 14:47:12 alrai kernel: sdb: sdb1 $ $ sudo parted /dev/sdb p Model: Generic- Card Reader (scsi) Disk /dev/sdb: 32.0GB Sector size (logical/physical): 512B/512B Partition Table: msdos Disk Flags: Number Start End Size Type File system Flags 1 4194kB 32.0GB 32.0GB primary fat32 lba $ sudo mount -v /dev/sdb1 /mnt/tmp mount: /dev/loop0 mounted on /mnt/tmp. $ du -sh /mnt/tmp 10M /mnt/tmp $ lsmod | grep fat vfat 20480 1 fat 65536 1 vfat $