Gary C 
USB thumb drives don't show up after reboot.
fdisk -l show nothing available yet dmesg shows the disk the sda1 partition
on usb thumb drive.
fdisk -l returns empty list..
If I remove the usb thumb drive after a fresh reboot and plug back in then
I can mount it.
It shows up in dmesg logs and in device map for frisk -l
lsusb -v shows the devices
root@gmc-mini6410-1:~# lsusb -t
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=s3c2410-ohci/2p, 12M
|__ Port 1: Dev 2, If 0, Class=hub, Driver=hub/4p, 12M
|__ Port 1: Dev 3, If 0, Class=stor., Driver=usb-storage, 12M
|__ Port 2: Dev 4, If 0, Class=HID, Driver=usbhid, 1.5M
|__ Port 3: Dev 5, If 0, Class=hub, Driver=hub/4p, 12M
|__ Port 4: Dev 6, If 0, Class=HID, Driver=usbhid, 1.5M
|__ Port 4: Dev 6, If 1, Class=HID, Driver=usbhid, 1.5M
usb 1-1.3.4: adding 1-1.3.4:1.1 (config #1, interface 1)
usbserial_generic 1-1.3.4:1.1: usb_probe_interface
usbserial_generic 1-1.3.4:1.1: usb_probe_interface - got id
sd 0:0:0:0: [sda] 62719988 512-byte logical blocks: (32.1 GB/29.9 GiB)
usbhid 1-1.3.4:1.1: usb_probe_interface
usbhid 1-1.3.4:1.1: usb_probe_interface - got id
s3c2410-ohci s3c2410-ohci: urb ccb8ba80 path 1.1 ep2in 93120000 cc 9 -->
status -121
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 03 00 00 00
sd 0:0:0:0: [sda] Assuming drive cache: write through
input: Dell Dell Wired Multimedia Keyboard as /class/input/input2
s3c2410-ohci s3c2410-ohci: urb ccb8b800 path 1.1 ep2in 92120000 cc 9 -->
status -121
generic-usb 0003:413C:2110.0003: input: USB HID v1.10 Mouse [Dell Dell
Wired Multimedia Keyboard] on usb-s3c24xx-1.3.4/input1
sd 0:0:0:0: [sda] Assuming drive cache: write through
drivers/usb/core/inode.c: creating file '006'
hub 1-1.3:1.0: 302mA power budget left
hub 1-1.3:1.0: state 7 ports 4 chg 0000 evt 0010
sda: sda1 sda2
s3c2410-ohci s3c2410-ohci: urb ccb8b200 path 1.1 ep2in 92120000 cc 9 -->
status -121
sd 0:0:0:0: [sda] Assuming drive cache: write through
sd 0:0:0:0: [sda] Attached SCSI removable disk
s3c_tvscaler_init
eth0: link down
eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
sshd (1526): /proc/1526/oom_adj is deprecated, please use
/proc/1526/oom_score_adj instead.
s3c2410-ohci s3c2410-ohci:
s3c2410_hub_control(cd6f4800,0xa006,0x2900,0x0000,c8947dc8,000d)
s3c2410-ohci s3c2410-ohci:
s3c2410_hub_control(cd6f4800,0xa300,0x0000,0x0001,c8947dc8,0004)
s3c2410-ohci s3c2410-ohci:
s3c2410_hub_control(cd6f4800,0xa300,0x0000,0x0002,c8947dc8,0004)