mi basterebbe sapere solo su che device la mette
questa è una parte di dmesg
ehci_hcd 0000:00:1d.7: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI Controller
ehci_hcd 0000:00:1d.7: reset hcs_params 0x103206 dbg=1 cc=3 pcc=2 ordered !ppc ports=6
ehci_hcd 0000:00:1d.7: reset hcc_params 6871 thresh 7 uframes 1024 64 bit addr
ehci_hcd 0000:00:1d.7: debug port 1
ehci_hcd 0000:00:1d.7: capability 0001 at 68
ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 1
ehci_hcd 0000:00:1d.7: irq 23, io mem 0xee800000
ehci_hcd 0000:00:1d.7: reset command 080002 (park)=0 ithresh=8 period=1024 Reset HALT
PCI: cache line size of 128 is not supported by device 0000:00:1d.7
ehci_hcd 0000:00:1d.7: init command 010001 (park)=0 ithresh=1 period=1024 RUN
ehci_hcd 0000:00:1d.7: USB 2.0 initialized, EHCI 1.00, driver 10 Dec 2004
ehci_hcd 0000:00:1d.7: supports USB remote wakeup
usb usb1: default language 0x0409
usb usb1: new device strings: Mfr=3, Product=2, SerialNumber=1
usb usb1: Product: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI Controller
usb usb1: Manufacturer: Linux 2.6.12-rc6 ehci_hcd
usb usb1: SerialNumber: 0000:00:1d.7
usb usb1: hotplug
usb usb1: adding 1-0:1.0 (config #1, interface 0)
usb 1-0:1.0: hotplug
hub 1-0:1.0: usb_probe_interface
hub 1-0:1.0: usb_probe_interface - got id
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 6 ports detected
hub 1-0:1.0: standalone hub
hub 1-0:1.0: no power switching (usb 1.0)
hub 1-0:1.0: individual port over-current protection
hub 1-0:1.0: Single TT
hub 1-0:1.0: TT requires at most 8 FS bit times
hub 1-0:1.0: power on to power good time: 20ms
hub 1-0:1.0: local power source is good
hub 1-0:1.0: state 5 ports 6 chg 0000 evt 0000
ehci_hcd 0000:00:1d.7: GetStatus port 4 status 001803 POWER sig=j CSC CONNECT
hub 1-0:1.0: port 4, status 0501, change 0001, 480 Mb/s
hub 1-0:1.0: debounce: port 4: total 100ms stable 100ms status 0x501
ehci_hcd 0000:00:1d.7: port 4 full speed --> companion
ehci_hcd 0000:00:1d.7: GetStatus port 4 status 003801 POWER OWNER sig=j CONNECT
hub 1-0:1.0: port_wait_reset: err = -107
USB Universal Host Controller Interface driver v2.2
ACPI: PCI Interrupt 0000:00:1d.0[A] -> GSI 16 (level, low) -> IRQ 16
PCI: Setting latency timer of device 0000:00:1d.0 to 64
uhci_hcd 0000:00:1d.0: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1
uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 2
uhci_hcd 0000:00:1d.0: irq 16, io base 0x0000b800
uhci_hcd 0000:00:1d.0: detected 2 ports
usb usb2: default language 0x0409
usb usb2: new device strings: Mfr=3, Product=2, SerialNumber=1
usb usb2: Product: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1
usb usb2: Manufacturer: Linux 2.6.12-rc6 uhci_hcd
usb usb2: SerialNumber: 0000:00:1d.0
usb usb2: hotplug
usb usb2: adding 2-0:1.0 (config #1, interface 0)
usb 2-0:1.0: hotplug
hub 2-0:1.0: usb_probe_interface
hub 2-0:1.0: usb_probe_interface - got id
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 2 ports detected
hub 2-0:1.0: standalone hub
hub 2-0:1.0: no power switching (usb 1.0)
hub 2-0:1.0: individual port over-current protection
hub 2-0:1.0: power on to power good time: 2ms
hub 2-0:1.0: local power source is good
hub 2-0:1.0: state 5 ports 2 chg 0000 evt 0000
ACPI: PCI Interrupt 0000:00:1d.1[B] -> GSI 19 (level, low) -> IRQ 19
PCI: Setting latency timer of device 0000:00:1d.1 to 64
uhci_hcd 0000:00:1d.1: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2
uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 3
uhci_hcd 0000:00:1d.1: irq 19, io base 0x0000b400
uhci_hcd 0000:00:1d.1: detected 2 ports
usb usb3: default language 0x0409
usb usb3: new device strings: Mfr=3, Product=2, SerialNumber=1
usb usb3: Product: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2
usb usb3: Manufacturer: Linux 2.6.12-rc6 uhci_hcd
usb usb3: SerialNumber: 0000:00:1d.1
usb usb3: hotplug
usb usb3: adding 3-0:1.0 (config #1, interface 0)
usb 3-0:1.0: hotplug
hub 3-0:1.0: usb_probe_interface
hub 3-0:1.0: usb_probe_interface - got id
hub 3-0:1.0: USB hub found
hub 3-0:1.0: 2 ports detected
hub 3-0:1.0: standalone hub
hub 3-0:1.0: no power switching (usb 1.0)
hub 3-0:1.0: individual port over-current protection
hub 3-0:1.0: power on to power good time: 2ms
hub 3-0:1.0: local power source is good
hub 3-0:1.0: state 5 ports 2 chg 0000 evt 0000
uhci_hcd 0000:00:1d.1: port 2 portsc 0093,00
hub 3-0:1.0: port 2, status 0101, change 0001, 12 Mb/s
ACPI: PCI Interrupt 0000:00:1d.2[C] -> GSI 18 (level, low) -> IRQ 18
PCI: Setting latency timer of device 0000:00:1d.2 to 64
uhci_hcd 0000:00:1d.2: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3
uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 4
uhci_hcd 0000:00:1d.2: irq 18, io base 0x0000b000
uhci_hcd 0000:00:1d.2: detected 2 ports
usb usb4: default language 0x0409
usb usb4: new device strings: Mfr=3, Product=2, SerialNumber=1
usb usb4: Product: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3
usb usb4: Manufacturer: Linux 2.6.12-rc6 uhci_hcd
usb usb4: SerialNumber: 0000:00:1d.2
usb usb4: hotplug
usb usb4: adding 4-0:1.0 (config #1, interface 0)
usb 4-0:1.0: hotplug
hub 4-0:1.0: usb_probe_interface
hub 4-0:1.0: usb_probe_interface - got id
hub 4-0:1.0: USB hub found
hub 4-0:1.0: 2 ports detected
hub 4-0:1.0: standalone hub
hub 4-0:1.0: no power switching (usb 1.0)
hub 4-0:1.0: individual port over-current protection
hub 4-0:1.0: power on to power good time: 2ms
hub 4-0:1.0: local power source is good
hub 3-0:1.0: debounce: port 2: total 100ms stable 100ms status 0x101
usb 3-2: new full speed USB device using uhci_hcd and address 2
usb 3-2: ep0 maxpacket = 8
usb 3-2: default language 0x0409
usb 3-2: new device strings: Mfr=1, Product=2, SerialNumber=3
usb 3-2: Product: deskjet 3500
usb 3-2: Manufacturer: hp
usb 3-2: SerialNumber: TH347141W77O
usb 3-2: hotplug
usb 3-2: adding 3-2:1.0 (config #1, interface 0)
usb 3-2:1.0: hotplug
usbserial_generic 3-2:1.0: usb_probe_interface
usbserial_generic 3-2:1.0: usb_probe_interface - got id
hub 4-0:1.0: state 5 ports 2 chg 0000 evt 0000
hub 3-0:1.0: state 5 ports 2 chg 0000 evt 0004
usblp 3-2:1.0: usb_probe_interface
usblp 3-2:1.0: usb_probe_interface - got id
drivers/usb/class/usblp.c: usblp0: USB Bidirectional printer dev 2 if 0 alt 0 proto 2 vid 0x03F0 pid 0x7304
drivers/usb/core/file.c: looking for a minor, starting at 0
usbcore: registered new driver usblp
drivers/usb/class/usblp.c: v0.13: USB Printer Device Class driver
uhci_hcd 0000:00:1d.0: suspend_hc
uhci_hcd 0000:00:1d.2: suspend_hc
input: PC Speaker
eth0: link up, 100Mbps, full-duplex, lpa 0x41E1
CSLIP: code copyright 1989 Regents of the University of California
PPP generic driver version 2.4.2
apm: BIOS version 1.2 Flags 0x03 (Driver version 1.16ac)
apm: overridden by ACPI.
hub 1-0:1.0: state 5 ports 6 chg 0000 evt 0020
ehci_hcd 0000:00:1d.7: GetStatus port 5 status 001803 POWER sig=j CSC CONNECT
hub 1-0:1.0: port 5, status 0501, change 0001, 480 Mb/s
hub 1-0:1.0: debounce: port 5: total 100ms stable 100ms status 0x501
ehci_hcd 0000:00:1d.7: port 5 full speed --> companion
ehci_hcd 0000:00:1d.7: GetStatus port 5 status 003801 POWER OWNER sig=j CONNECT
hub 1-0:1.0: port_wait_reset: err = -107
uhci_hcd 0000:00:1d.2: wakeup_hc
hub 4-0:1.0: state 5 ports 2 chg 0000 evt 0002
uhci_hcd 0000:00:1d.2: port 1 portsc 0083,00
hub 4-0:1.0: port 1, status 0101, change 0001, 12 Mb/s
hub 4-0:1.0: debounce: port 1: total 100ms stable 100ms status 0x101
usb 4-1: new full speed USB device using uhci_hcd and address 2
usb 4-1: khubd timed out on ep0in len=0/64
usb 4-1: ep0 maxpacket = 16
usb 4-1: default language 0x0409
usb 4-1: new device strings: Mfr=1, Product=2, SerialNumber=0
usb 4-1: Product: hp photosmart 320
usb 4-1: Manufacturer: Hewlett-Packard
usb 4-1: hotplug
usb 4-1: adding 4-1:1.0 (config #1, interface 0)
usb 4-1:1.0: hotplug
usbserial_generic 4-1:1.0: usb_probe_interface
usbserial_generic 4-1:1.0: usb_probe_interface - got id
hub 4-0:1.0: state 5 ports 2 chg 0000 evt 0002
uhci_hcd 0000:00:1d.2: port 1 portsc 008a,00
hub 4-0:1.0: port 1, status 0100, change 0003, 12 Mb/s
usb 4-1: USB disconnect, address 2
usb 4-1: usb_disable_device nuking all URBs
usb 4-1: unregistering interface 4-1:1.0
usb 4-1:1.0: hotplug
usb 4-1: unregistering device
usb 4-1: hotplug
hub 4-0:1.0: debounce: port 1: total 100ms stable 100ms status 0x100
hub 1-0:1.0: state 5 ports 6 chg 0000 evt 0020
ehci_hcd 0000:00:1d.7: GetStatus port 5 status 001002 POWER sig=se0 CSC
hub 1-0:1.0: port 5, status 0100, change 0001, 12 Mb/s
hub 1-0:1.0: debounce: port 5: total 100ms stable 100ms status 0x100
uhci_hcd 0000:00:1d.2: suspend_hc
hub 3-0:1.0: state 5 ports 2 chg 0000 evt 0004
uhci_hcd 0000:00:1d.1: port 2 portsc 008a,00
hub 3-0:1.0: port 2, status 0100, change 0003, 12 Mb/s
usb 3-2: USB disconnect, address 2
usb 3-2: usb_disable_device nuking all URBs
usb 3-2: unregistering interface 3-2:1.0
drivers/usb/core/file.c: removing 0 minor
drivers/usb/class/usblp.c: usblp0: removed
usb 3-2:1.0: hotplug
usb 3-2: unregistering device
usb 3-2: hotplug
hub 3-0:1.0: debounce: port 2: total 100ms stable 100ms status 0x100
hub 1-0:1.0: state 5 ports 6 chg 0000 evt 0010
ehci_hcd 0000:00:1d.7: GetStatus port 4 status 001002 POWER sig=se0 CSC
hub 1-0:1.0: port 4, status 0100, change 0001, 12 Mb/s
ehci_hcd 0000:00:1d.7: GetStatus port 4 status 001803 POWER sig=j CSC CONNECT
hub 1-0:1.0: debounce: port 4: total 125ms stable 100ms status 0x501
ehci_hcd 0000:00:1d.7: port 4 full speed --> companion
ehci_hcd 0000:00:1d.7: GetStatus port 4 status 003801 POWER OWNER sig=j CONNECT
hub 1-0:1.0: port_wait_reset: err = -107
hub 3-0:1.0: state 5 ports 2 chg 0000 evt 0004
uhci_hcd 0000:00:1d.1: port 2 portsc 0093,00
hub 3-0:1.0: port 2, status 0101, change 0001, 12 Mb/s
hub 3-0:1.0: debounce: port 2: total 100ms stable 100ms status 0x101
usb 3-2: new full speed USB device using uhci_hcd and address 3
usb 3-2: ep0 maxpacket = 8
usb 3-2: default language 0x0409
usb 3-2: new device strings: Mfr=1, Product=2, SerialNumber=3
usb 3-2: Product: deskjet 3500
usb 3-2: Manufacturer: hp
usb 3-2: SerialNumber: TH347141W77O
usb 3-2: hotplug
usb 3-2: adding 3-2:1.0 (config #1, interface 0)
usb 3-2:1.0: hotplug
usbserial_generic 3-2:1.0: usb_probe_interface
usbserial_generic 3-2:1.0: usb_probe_interface - got id
usblp 3-2:1.0: usb_probe_interface
usblp 3-2:1.0: usb_probe_interface - got id
drivers/usb/class/usblp.c: usblp0: USB Bidirectional printer dev 3 if 0 alt 0 proto 2 vid 0x03F0 pid 0x7304
drivers/usb/core/file.c: looking for a minor, starting at 0
hub 1-0:1.0: state 5 ports 6 chg 0000 evt 0020
ehci_hcd 0000:00:1d.7: GetStatus port 5 status 001803 POWER sig=j CSC CONNECT
hub 1-0:1.0: port 5, status 0501, change 0001, 480 Mb/s
hub 1-0:1.0: debounce: port 5: total 100ms stable 100ms status 0x501
ehci_hcd 0000:00:1d.7: port 5 full speed --> companion
ehci_hcd 0000:00:1d.7: GetStatus port 5 status 003801 POWER OWNER sig=j CONNECT
hub 1-0:1.0: port_wait_reset: err = -107
uhci_hcd 0000:00:1d.2: wakeup_hc
hub 4-0:1.0: state 5 ports 2 chg 0000 evt 0002
uhci_hcd 0000:00:1d.2: port 1 portsc 0083,00
hub 4-0:1.0: port 1, status 0101, change 0001, 12 Mb/s
hub 4-0:1.0: debounce: port 1: total 100ms stable 100ms status 0x101
usb 4-1: new full speed USB device using uhci_hcd and address 3
usb 4-1: khubd timed out on ep0in len=0/64
usb 4-1: ep0 maxpacket = 16
usb 4-1: default language 0x0409
usb 4-1: new device strings: Mfr=1, Product=2, SerialNumber=0
usb 4-1: Product: hp photosmart 320
usb 4-1: Manufacturer: Hewlett-Packard
usb 4-1: hotplug
usb 4-1: adding 4-1:1.0 (config #1, interface 0)
usb 4-1:1.0: hotplug