Puedo leer mi pendrive por el puerto USB 3.0 pero no por USB 2.0

Imagen de dantexier
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Tengo una laptop is VAIO Sony Series T Ultrabook con touchscreen e instale Ubuntu 12.04.2. En ella puedo leer mi pendrive por el puerto USB 3.0 pero no por los puertos USB 2.0 que tengo.

A continuación unos datos que pueden servir de orientación. Gracias.

dmesg | tail -20

[ 3.514170] input: HDA Intel PCH Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11
[ 3.514235] input: HDA Intel PCH Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input12
[ 3.942361] cfg80211: Found new beacon on frequency: 2472 MHz (Ch 13) on phy0
[ 5.018566] wlan0: authenticate with 00:23:69:2e:b3:ff
[ 5.023118] wlan0: send auth to 00:23:69:2e:b3:ff (try 1/3)
[ 5.026671] wlan0: authenticated
[ 5.033395] wlan0: associate with 00:23:69:2e:b3:ff (try 1/3)
[ 5.036104] wlan0: RX AssocResp from 00:23:69:2e:b3:ff (capab=0x411 status=0 aid=2)
[ 5.036176] wlan0: associated
[ 5.036963] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 6.300949] CPU1: Package power limit notification (total events = 1)
[ 6.300953] CPU3: Package power limit notification (total events = 1)
[ 6.300954] CPU2: Package power limit notification (total events = 1)
[ 6.300955] CPU0: Package power limit notification (total events = 1)
[ 6.312949] CPU1: Package power limit normal
[ 6.312950] CPU0: Package power limit normal
[ 6.312952] CPU2: Package power limit normal
[ 6.312953] CPU3: Package power limit normal
[ 307.467934] audit_printk_skb: 39 callbacks suppressed
[ 307.467944] type=1400 audit(1369932859.268:2

lsusb
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 04f3:002d Elan Microelectronics Corp.
Bus 001 Device 006: ID 0489:e036 Foxconn / Hon Hai
Bus 001 Device 005: ID 05ca:18c4 Ricoh Co., Ltd

fdisk -l
WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.
Disk /dev/sda: 180.0 GB, 180045766656 bytes
255 heads, 63 sectors/track, 21889 cylinders, total 351651888 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Device Boot Start End Blocks Id System
/dev/sda1 1 351651887 175825943+ ee GPT
WARNING: GPT (GUID Partition Table) detected on '/dev/sdb'! The util fdisk doesn't support GPT. Use GNU Parted.
Disk /dev/sdb: 24.0 GB, 24015495168 bytes
255 heads, 63 sectors/track, 2919 cylinders, total 46905264 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xd82510d6
Device Boot Start End Blocks Id System
/dev/sdb1 1 46905263 23452631+ ee GPT

uname -a
Linux TexierLinux 3.5.0-31-generic #52~precise1-Ubuntu SMP Fri May 17 15:27:06 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

Imagen de dantexier
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Tengo una laptop is VAIO Sony Series T Ultrabook con touchscreen e instale Ubuntu 12.04.2. En ella puedo leer mi pendrive por el puerto USB 3.0 pero no por los puertos USB 2.0 que tengo. En el post anterior puse algunos datos que pueden servir de orientación. Gracias.

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Imagen de Jose Luis 1320
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Si lees en la pagina de inicio, en todos lados, el foro esta en Español.

¿Eres hispanohablante? ¿Do you speak Spanish?

If not, please go to ubuntuforums.com, there is a forum in which most users speak English, but here in Ubuntu-es we speak Spanish mostly, and It is very difficult to find help here if you're not a Spanish speaker.

In general it is not accepted to post in English here, so you're in the wrong place. It will be much easier for you to get help in another place, where your native language is spoken.

Good luck!

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"Yo sólo se que no se nada"
-Sócrates, filósofo griego.
-Normas del foro

Imagen de dantexier
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Claro, me equivoque y pense que no podia editar. Gracias Jose Luis

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Imagen de ubu777
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