Comment 5 for bug 1942839

If there is something wrong, dmesg shows the error (an example as below):

[187848.279545] usb 3-1.2.1: new high-speed USB device number 8 using xhci_hcd
[187848.382985] usb 3-1.2.1: New USB device found, idVendor=0930, idProduct=6545, bcdDevice= 1.10
[187848.383000] usb 3-1.2.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[187848.383007] usb 3-1.2.1: Product: TransMemory
[187848.383012] usb 3-1.2.1: Manufacturer: TOSHIBA
[187848.383016] usb 3-1.2.1: SerialNumber: 000FEA0AB9F5B920A41500D8
[187848.386366] usb-storage 3-1.2.1:1.0: USB Mass Storage device detected
[187848.386936] scsi host5: usb-storage 3-1.2.1:1.0
[187849.441367] scsi 5:0:0:0: Direct-Access TOSHIBA TransMemory PMAP PQ: 0 ANSI: 0 CCS
[187849.442289] sd 5:0:0:0: Attached scsi generic sg2 type 0
[187849.800922] sd 5:0:0:0: [sdc] 15687680 512-byte logical blocks: (8.03 GB/7.48 GiB)
[187849.801283] sd 5:0:0:0: [sdc] Write Protect is off
[187849.801292] sd 5:0:0:0: [sdc] Mode Sense: 23 00 00 00
[187849.801654] sd 5:0:0:0: [sdc] No Caching mode page found
[187849.801664] sd 5:0:0:0: [sdc] Assuming drive cache: write through
[187849.861053] sdc: sdc1
[187849.864038] sd 5:0:0:0: [sdc] Attached SCSI removable disk
[187851.792606] FAT-fs (sdc1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.