Nach einem Reboot wird USB Stick (2GB) nicht gefunden

Code:
root@xpeedlx:/var/log# lsusbBus 001 Device 001: ID 1d6b:0002
Bus 002 Device 001: ID 1d6b:0001
Ein USB Stick erscheint erst nach ab und anstecken wieder mit "lsusb"

dmesg:
Code:
Initializing cgroup subsys cpuset
Linux version 3.12.1 (oe1@BUILD3) (gcc version 5.3.0 (GCC) ) #1 Mon Sep 26 09:28:50 CEST 2016
Fetching vars from bootloader... found 10 vars.
Options: enet_en=1 enet0_mii=0 enet_no_mdio=0 enet1_en=0 moca=0
         sata=0 docsis=0 pci=0 pcie=0 smp=0 usb=1
Using 512 MB + 0 MB RAM (from CFE)
MEMC0 split: 256 MB -> Linux; 256 MB -> extra bmem
CPU revision is: 00029032 (Broadcom BMIPS3300)
Determined physical RAM map:
 memory: 10000000 @ 00000000 (usable)
bmem: adding 232 MB LINUX region at 7 MB (0x0e814000@0x007ec000)
bmem: adding 16 MB RESERVED region at 240 MB (0x01000000@0x0f000000)
Zone ranges:
  Normal   [mem 0x00000000-0x0fffffff]
Movable zone start for each node
Early memory node ranges
  node   0: [mem 0x00000000-0x0fffffff]
On node 0 totalpages: 65536
free_area_init_node: node 0, pgdat 80792860, node_mem_map 81000000
  Normal zone: 512 pages used for memmap
  Normal zone: 0 pages reserved
  Normal zone: 65536 pages, LIFO batch:15
Primary instruction cache 32kB, VIPT, 4-way, linesize 16 bytes.
Primary data cache 32kB, 2-way, VIPT, cache aliases, linesize 16 bytes
pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
pcpu-alloc: [0] 0
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 65024
Kernel command ****: ubi.mtd=0 root=ubi0:rootfs rootfstype=ubifs rw bmem=256M@512M ubi.mtd=rootfs rootfstype=ubifs root=ubi0:rootfs bmem=256M@512M bmem=16M console=ttyS0,115200n8
PID hash table entries: 1024 (order: 0, 4096 bytes)
Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
Memory: 235356K/262144K available (6227K kernel code, 295K rwdata, 1220K rodata, 244K init, 111K bss, 26788K reserved)
NR_IRQS:160
Measuring MIPS counter frequency...
Detected MIPS clock frequency: 751 MHz (375.757 MHz counter)
Console: colour dummy device 80x25
Calibrating delay loop... 749.56 BogoMIPS (lpj=374784)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 512
devtmpfs: initialized
bmem: adding extra 256 MB RESERVED region at 512 MB (0x10000000@0x20000000)
NET: Registered protocol family 16
USB0: power enable is active low; overcurrent is active low
bio: create slab <bio-0> at 0
SCSI subsystem initialized
libata version 3.00 loaded.
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
Linux video capture interface: v2.00
Advanced Linux Sound Architecture Driver Initialized.
Bluetooth: Core ver 2.16
NET: Registered protocol family 31
Bluetooth: HCI device and connection manager initialized
Bluetooth: HCI socket layer initialized
Bluetooth: L2CAP socket layer initialized
Bluetooth: SCO socket layer initialized
cfg80211: Calling CRDA to update world regulatory domain
Switched to clocksource wktmr
FS-Cache: Loaded
NET: Registered protocol family 2
TCP established hash table entries: 2048 (order: 2, 16384 bytes)
TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
TCP: Hash tables configured (established 2048 bind 2048)
TCP: reno registered
UDP hash table entries: 256 (order: 0, 4096 bytes)
UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
NET: Registered protocol family 1
RPC: Registered named UNIX socket transport module.
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
NFS: Registering the id_resolver key type
Key type id_resolver registered
Key type id_legacy registered
Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
fuse init (API version 7.22)
msgmni has been set to 459
io scheduler noop registered
io scheduler cfq registered (default)
Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
serial8250.0: ttyS0 at MMIO 0x10406800 (irq = 62, base_baud = 5062500) is a 16550A
console [ttyS0] enabled
serial8250.0: ttyS1 at MMIO 0x10406840 (irq = 63, base_baud = 5062500) is a 16550A
serial8250.0: ttyS2 at MMIO 0x10406880 (irq = 64, base_baud = 5062500) is a 16550A
loop: module loaded
brcmstb_nand: NAND controller driver is loaded
__clk_enable: network [1]
__clk_enable: enet [1]
bcm7552_pm_genet_enable 00
Config internal EPHY through MDIO
__clk_disable: enet [0]
bcm7552_pm_genet_disable 00
__clk_disable: network [0]
usbcore: registered new interface driver zd1201
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
__clk_enable: usb [1]
bcm7552_pm_usb_enable 00
ehci-brcm ehci-brcm.0: Broadcom STB EHCI
ehci-brcm ehci-brcm.0: new USB bus registered, assigned bus number 1
ehci-brcm ehci-brcm.0: irq 66, io mem 0x10480300
ehci-brcm ehci-brcm.0: USB 0.0 started, EHCI 1.00
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
ohci-brcm ohci-brcm.0: Broadcom STB OHCI
ohci-brcm ohci-brcm.0: new USB bus registered, assigned bus number 2
ohci-brcm ohci-brcm.0: irq 67, io mem 0x10480400
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 2 ports detected
usbcore: registered new interface driver usb-storage
mousedev: PS/2 mouse device common for all mice
i2c /dev entries driver
usbcore: registered new interface driver btusb
hidraw: raw HID events driver (C) Jiri Kosina
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
TCP: cubic registered
NET: Registered protocol family 17
Bluetooth: HIDP (Human Interface Emulation) ver 1.2
Bluetooth: HIDP socket layer initialized
Key type dns_resolver registered
EBI CS2: setting up NAND flash (primary)
NAND device: Manufacturer ID: 0xec, Chip ID: 0xdc (Samsung NAND 512MiB 3,3V 8-bit), 512MiB, page size: 2048, OOB size: 64
brcmnand brcmnand.0: 512MiB total, 128KiB blocks, 2KiB pages, 16B OOB, 8-bit, BCH-1


Bad block table found at page 262080, version 0x01
Bad block table found at page 262016, version 0x01
Creating 3 MTD partitions on "brcmnand.0":
0x000000000000-0x00001f900000 : "rootfs"
0x000000000000-0x000020000000 : "entire_device"
0x00001f900000-0x00001ff00000 : "kernel"
EBI CS0: setting up SPI flash
spi_brcmstb spi_brcmstb.0: master is unqueued, this is deprecated
spi_brcmstb spi_brcmstb.0: 1-lane output, 3-byte address
m25p80 spi0.0: found s25sl032p, expected m25p80
m25p80 spi0.0: s25sl032p (4096 Kbytes)
Creating 6 MTD partitions on "spi0.0":
0x000000000000-0x000000080000 : "cfe"
0x000000080000-0x000000280000 : "splash"
0x000000280000-0x000000300000 : "macadr"
0x000000300000-0x000000380000 : "nvram"
0x000000380000-0x0000003c0000 : "bootconfig"
0x0000003c0000-0x000000400000 : "facconfig"
PM: CP0 COUNT/COMPARE frequency depends on divisor
UBI: attaching mtd0 to ubi0
UBI: scanning is finished
UBI: attached mtd0 (name "rootfs", size 505 MiB) to ubi0
UBI: PEB size: 131072 bytes (128 KiB), LEB size: 126976 bytes
UBI: min./max. I/O unit sizes: 2048/2048, sub-page size 2048
UBI: VID header offset: 2048 (aligned 2048), data offset: 4096
UBI: good PEBs: 4040, bad PEBs: 0, corrupted PEBs: 0
UBI: user volume: 1, internal volumes: 1, max. volumes count: 128
UBI: max/mean erase counter: 7/4, WL threshold: 4096, image sequence number: 1653119683
UBI: available PEBs: 0, total reserved PEBs: 4040, PEBs reserved for bad PEB handling: 80
UBI: background thread "ubi_bgt0d" started, PID 46
UBI error: ubi_attach_mtd_dev: mtd0 is already attached to ubi0
UBI error: ubi_init: cannot attach mtd0
ALSA device list:
  No soundcards found.
UBIFS: background thread "ubifs_bgt0_0" started, PID 47
UBIFS: mounted UBI device 0, volume 0, name "rootfs"
UBIFS: LEB size: 126976 bytes (124 KiB), min./max. I/O unit sizes: 2048 bytes/2048 bytes
UBIFS: FS size: 500920320 bytes (477 MiB, 3945 LEBs), journal size 9023488 bytes (8 MiB, 72 LEBs)
UBIFS: reserved for root: 0 bytes (0 KiB)
UBIFS: media format: w4/r0 (latest is w4/r0), UUID F4FD6414-A52C-4BE1-8781-D8E23087A856, small LPT model
VFS: Mounted root (ubifs filesystem) on device 0:10.
devtmpfs: mounted
Freeing unused kernel memory: 244K (80793000 - 807d0000)
Algorithmics/MIPS FPU Emulator v1.5
dvb: module_layout: kernel tainted.
Disabling lock debugging due to kernel taint
[platform_i2c_mutex_init] ...
{120}machine = 230
fb0: bcmfb frame buffer device
{120}[mcu_i2c_check_blade1128a] blade1128
input: dreambox front panel as /devices/virtual/input/input0
input: dreambox advanced remote control (native) as /devices/virtual/input/input1
DVB: registering new adapter (dvb)
{120}[fe_attach] (slot = 0) i2cIndex = -1 out of range
dvb dvb.0: DVB: registering adapter 0 frontend 0 (DVB-S2 INTERNAL)...
{120}[SemcoAPI_TDA18250A_Init] (1) tmbslTDA18250A_HwInit err: 1
{120}[DNOQ44QAH109A_Open] (1) SemcoAPI_TDA18250A_Init fail.
SGI XFS with security attributes, realtime, large block/inode numbers, no debug enabled
BKNI_P_GetTrackAllocEntry_resize: resizing from 4096->8192
BKNI_Malloc(linuxkernel) top users:
    blocks,   bytes, filename:****
       872,   59296, refsw_release_97358_20120313/nexus/base/src/nexus_base_scheduler.c:625
       432,   17280, ../magnum/basemodules/mem/bmem_system.c:286
       364,   17472, magnum/portinginterface/vdc/7358/bvdc_bufferheap_priv.c:737
       316,   82088, ../BSEAV/lib/utils/balloc.c:35
       294,   35280, magnum/commonutils/mrc/7358/bmrc_monitor.c:940
__clk_enable: network [1]
__clk_enable: enet [1]
bcm7552_pm_genet_enable 00
eth0 Link DOWN.
eth0 Link UP.
Auto config phy
eth0: Link is up, 100 Mbps Full Duplex
NET: Registered protocol family 10
dvb dvb.0: DVB: registering adapter 0 frontend 0 ()...
vtunerc0: VTUNER_SET_NAME 'SAT>IP DVB-S2 VTUNER'
vtunerc0: VTUNER_SET_TYPE 'DVB-S2' => 'SAT>IP DVB-S2 VTUNER'
vtunerc0: unknown IOCTL 0x6
vtunerc0: unknown IOCTL 0x7
dvb dvb.0: dvb_frontend_ioctl_legacy: doesn't know how to handle a DVBv3 call to delivery system 0
dvb dvb.0: dvb_frontend_ioctl_legacy: doesn't know how to handle a DVBv3 call to delivery system 0
{508}[video_videomodepreferred_read] mode(0) not found!!!
{508}[video_videomodepreferred_read] mode(0) not found!!!