SynCE / Discussion / Help: USB disconnects my IPAQ hw6910

Marcel Ruff - 2006-12-29

Hi,

i have a HP IPAQ hw6910 with Windows CE 5.1

I connect it to OpenSuse 10.2 (Linux 2.6.18.2),
the output of /var/log/messages is (this cycles without ending):

usb 2-1: new full speed USB device using uhci_hcd and address 107
usb 2-1: new device found, idVendor=03f0, idProduct=1016
usb 2-1: new device strings: Mfr=1, Product=2, SerialNumber=3
usb 2-1: Product: HP USB Sync
usb 2-1: Manufacturer: HP
usb 2-1: SerialNumber: 00908535-0301-0196-8800-0050bf1977e0
usb 2-1: configuration #1 chosen from 1 choice
ipaq 2-1:1.0: PocketPC PDA converter detected
usb 2-1: PocketPC PDA converter now attached to ttyUSB0
usb 2-1: USB disconnect, address 107
ipaq ttyUSB0: PocketPC PDA converter now disconnected from ttyUSB0
ipaq 2-1:1.0: device disconnected

I have tried:
svn co https://svn.sourceforge.net/svnroot/synce/trunk/usb-rndis-lite

But ./clean.sh reported:
   ...
    make[1]: Leaving directory `/usr/src/linux-2.6.18.2-34-obj/x86_64/default'
    ERROR: Module rndis_host does not exist in /proc/modules
    ERROR: Module cdc_ether does not exist in /proc/modules
    ERROR: Module usbnet does not exist in /proc/modules
   ...
nevetheless i made a make install.

But the USB problem remains.

Can anybody help me?

Thanks
Marcel

If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
- Ron Smits - 2006-12-29
  
  The errors you get concerning the modules are no problem. You must however before you try to connect with the lite driver make sure that the ipaq driver is not loaded. There is a mailinglist that you might consider using, more people read that and more people respond there: synce-windowsmobile5@lists.sourceforge.net
  
  Rgds
  Ron
  
  If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
  - Fred Kastl - 2007-03-26
    
    I have the same Problem that only the old driver is loaded.
    How can i force to load the new driver ?
    
    The new driver is compiled and loaded:
    
    ## lsmod:
    
    rndis_host              8320 0
    cdc_ether               7680 1 rndis_host
    usbnet                 20872 2 rndis_host,cdc_ether
    
    ## lsusb -v :
    
    Bus 005 Device 013: ID 0bb4:0a51 High Tech Computer Corp. SPV C400 / T-Mobile SDA GSM/GPRS Pocket PC
    Device Descriptor:
    bLength                18
    bDescriptorType         1
    bcdUSB               2.00
    bDeviceClass            0 (Defined at Interface level)
    bDeviceSubClass         0
    bDeviceProtocol         0
    bMaxPacketSize0        64
    idVendor           0x0bb4 High Tech Computer Corp.
    idProduct          0x0a51 SPV C400 / T-Mobile SDA GSM/GPRS Pocket PC
    bcdDevice            0.00
    iManufacturer           1 HTC
    iProduct                2 USB Serial for Artemis
    iSerial                 3 5497010d-5910-9103-0800-0050bf3f5173
    bNumConfigurations      1
    Configuration Descriptor:
        bLength                 9
        bDescriptorType         2
        wTotalLength           32
        bNumInterfaces          1
        bConfigurationValue     1
        iConfiguration          0
        bmAttributes         0xc0
          Self Powered
        MaxPower              100mA
        Interface Descriptor:
          bLength                 9
          bDescriptorType         4
          bInterfaceNumber        0
          bAlternateSetting       0
          bNumEndpoints           2
          bInterfaceClass       255 Vendor Specific Class
          bInterfaceSubClass    255 Vendor Specific Subclass
          bInterfaceProtocol    255 Vendor Specific Protocol
          iInterface              0
          Endpoint Descriptor:
            bLength                 7
            bDescriptorType         5
            bEndpointAddress     0x81 EP 1 IN
            bmAttributes            2
              Transfer Type            Bulk
              Synch Type               None
              Usage Type               Data
            wMaxPacketSize     0x0040 1x 64 bytes
            bInterval               0
          Endpoint Descriptor:
            bLength                 7
            bDescriptorType         5
            bEndpointAddress     0x02 EP 2 OUT
            bmAttributes            2
              Transfer Type            Bulk
              Synch Type               None
              Usage Type               Data
            wMaxPacketSize     0x0040 1x 64 bytes
            bInterval               0
    
    ## syslog:
    
    Mar 26 21:30:53 firewall kernel: ehci_hcd 0000:00:1d.7: fatal command 010011 (park)=0 ithresh=1 Periodic period=1024 RUN
    Mar 26 21:30:53 firewall kernel: ehci_hcd 0000:00:1d.7: fatal status 6008 Periodic Recl FLR
    Mar 26 21:30:53 firewall kernel: hub 1-0:1.0: state 7 ports 8 chg 0000 evt ff80
    Mar 26 21:30:53 firewall kernel: ehci_hcd 0000:00:1d.7: GetStatus port 7 status 001803 POWER sig=j CSC CONNECT
    Mar 26 21:30:53 firewall kernel: hub 1-0:1.0: port 7, status 0501, change 0001, 480 Mb/s
    Mar 26 21:30:53 firewall kernel: hub 1-0:1.0: debounce: port 7: total 100ms stable 100ms status 0x501
    Mar 26 21:30:53 firewall kernel: ehci_hcd 0000:00:1d.7: port 7 full speed --> companion
    Mar 26 21:30:53 firewall kernel: ehci_hcd 0000:00:1d.7: GetStatus port 7 status 003801 POWER OWNER sig=j CONNECT
    Mar 26 21:30:53 firewall kernel: ehci_hcd 0000:00:1d.7: fatal command 010011 (park)=0 ithresh=1 Periodic period=1024 RUN
    Mar 26 21:30:53 firewall kernel: ehci_hcd 0000:00:1d.7: fatal status 6008 Periodic Recl FLR
    Mar 26 21:30:53 firewall kernel: hub 5-0:1.0: state 7 ports 2 chg 0000 evt 0002
    Mar 26 21:30:53 firewall kernel: uhci_hcd 0000:00:1d.3: port 1 portsc 0093,00
    Mar 26 21:30:53 firewall kernel: hub 5-0:1.0: port 1, status 0101, change 0001, 12 Mb/s
    Mar 26 21:30:53 firewall kernel: hub 5-0:1.0: debounce: port 1: total 100ms stable 100ms status 0x101
    Mar 26 21:30:53 firewall kernel: usb 5-1: new full speed USB device using uhci_hcd and address 13
    Mar 26 21:30:54 firewall kernel: usb 5-1: default language 0x0409
    Mar 26 21:30:54 firewall kernel: usb 5-1: new device strings: Mfr=1, Product=2, SerialNumber=3
    Mar 26 21:30:54 firewall kernel: usb 5-1: Product: USB Serial for Artemis
    Mar 26 21:30:54 firewall kernel: usb 5-1: Manufacturer: HTC
    Mar 26 21:30:54 firewall kernel: usb 5-1: SerialNumber: 5497010d-5910-9103-0800-0050bf3f5173
    Mar 26 21:30:54 firewall kernel: usb 5-1: uevent
    Mar 26 21:30:54 firewall kernel: usb 5-1: usb_probe_device
    Mar 26 21:30:54 firewall kernel: usb 5-1: configuration #1 chosen from 1 choice
    Mar 26 21:30:54 firewall kernel: usb 5-1: adding 5-1:1.0 (config #1, interface 0)
    Mar 26 21:30:54 firewall kernel: usb 5-1:1.0: uevent
    Mar 26 21:30:54 firewall kernel: usbserial_generic 5-1:1.0: usb_probe_interface
    Mar 26 21:30:54 firewall kernel: usbserial_generic 5-1:1.0: usb_probe_interface - got id
    Mar 26 21:30:54 firewall kernel: ipaq 5-1:1.0: usb_probe_interface
    Mar 26 21:30:54 firewall kernel: ipaq 5-1:1.0: usb_probe_interface - got id
    Mar 26 21:30:54 firewall kernel: ipaq 5-1:1.0: PocketPC PDA converter detected
    Mar 26 21:30:54 firewall kernel: usb 5-1: PocketPC PDA converter now attached to ttyUSB0
    Mar 26 21:30:54 firewall kernel: usbdev5.13_ep81: ep_device_release called for usbdev5.13_ep81
    Mar 26 21:30:54 firewall kernel: usbdev5.13_ep02: ep_device_release called for usbdev5.13_ep02
    Mar 26 21:30:54 firewall kernel: drivers/usb/core/inode.c: creating file '013'
    Mar 26 21:30:54 firewall kernel: hub 5-0:1.0: state 7 ports 2 chg 0000 evt 0002
    Mar 26 21:30:54 firewall default.hotplug[18694]: arguments (usb) env (SUBSYSTEM=usb OLDPWD=/ DEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1 ACTION=add PWD=/etc/hotplug UDEV_LOG=3 UDEVD_EVENT=1 SHLVL=1 DEVICE=/proc/bus/usb/005/013 PRODUCT=bb4/a51/0 TYPE=0/0/0 PHYSDEVBUS=usb SEQNUM=2255 _=/bin/env)
    Mar 26 21:30:54 firewall default.hotplug[18694]: invoke /etc/hotplug/usb.agent ()
    Mar 26 21:30:54 firewall usb.agent[18694]: Setup ipaq for USB HTC USB Serial for Artemis
    Mar 26 21:30:54 firewall default.hotplug[18731]: arguments (usb_endpoint) env (SUBSYSTEM=usb_endpoint OLDPWD=/ DEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1/usbdev5.13_ep00 MINOR=8204 ACTION=add PWD=/etc/hotplug UDEV_LOG=3 MAJOR=442 UDEVD_EVENT=1 DEVNAME=/dev/usbdev5.13_ep00 SHLVL=1 SEQNUM=2256 _=/bin/env)
    Mar 26 21:30:54 firewall default.hotplug[18731]: no runnable /etc/hotplug/usb_endpoint.agent is installed
    Mar 26 21:30:54 firewall default.hotplug[18747]: arguments (usb) env (SUBSYSTEM=usb OLDPWD=/ DEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0 ACTION=add MODALIAS=usb:v0BB4p0A51d0000dc00dsc00dp00icFFiscFFipFF PWD=/etc/hotplug UDEV_LOG=3 UDEVD_EVENT=1 SHLVL=1 DEVICE=/proc/bus/usb/005/013 INTERFACE=255/255/255 PRODUCT=bb4/a51/0 TYPE=0/0/0 PHYSDEVBUS=usb SEQNUM=2257 _=/bin/env)
    Mar 26 21:30:54 firewall default.hotplug[18747]: invoke /etc/hotplug/usb.agent ()
    Mar 26 21:30:55 firewall usb.agent[18747]: Setup ipaq for USB product bb4/a51/0
    Mar 26 21:30:55 firewall default.hotplug[18783]: arguments (usb_endpoint) env (SUBSYSTEM=usb_endpoint OLDPWD=/ DEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/usbdev5.13_ep81 MINOR=8204 ACTION=add PWD=/etc/hotplug UDEV_LOG=3 MAJOR=442 UDEVD_EVENT=1 DEVNAME=/dev/usbdev5.13_ep81 SHLVL=1 SEQNUM=2258 _=/bin/env)
    Mar 26 21:30:55 firewall default.hotplug[18783]: no runnable /etc/hotplug/usb_endpoint.agent is installed
    Mar 26 21:30:55 firewall default.hotplug[18800]: arguments (usb_endpoint) env (SUBSYSTEM=usb_endpoint OLDPWD=/ DEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/usbdev5.13_ep02 MINOR=8204 ACTION=add PWD=/etc/hotplug UDEV_LOG=3 MAJOR=442 UDEVD_EVENT=1 DEVNAME=/dev/usbdev5.13_ep02 SHLVL=1 SEQNUM=2259 _=/bin/env)
    Mar 26 21:30:55 firewall default.hotplug[18800]: no runnable /etc/hotplug/usb_endpoint.agent is installed
    Mar 26 21:30:55 firewall default.hotplug[18823]: arguments (usb_endpoint) env (SUBSYSTEM=usb_endpoint OLDPWD=/ DEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/usbdev5.13_ep81 MINOR=8204 ACTION=remove PWD=/etc/hotplug UDEV_LOG=3 MAJOR=442 UDEVD_EVENT=1 DEVNAME=/dev/usbdev5.13_ep81 SHLVL=1 SEQNUM=2262 _=/bin/env)
    Mar 26 21:30:55 firewall default.hotplug[18823]: no runnable /etc/hotplug/usb_endpoint.agent is installed
    Mar 26 21:30:55 firewall default.hotplug[18841]: arguments (usb_endpoint) env (SUBSYSTEM=usb_endpoint OLDPWD=/ DEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/usbdev5.13_ep02 MINOR=8204 ACTION=remove PWD=/etc/hotplug UDEV_LOG=3 MAJOR=442 UDEVD_EVENT=1 DEVNAME=/dev/usbdev5.13_ep02 SHLVL=1 SEQNUM=2263 _=/bin/env)
    Mar 26 21:30:55 firewall default.hotplug[18841]: no runnable /etc/hotplug/usb_endpoint.agent is installed
    Mar 26 21:30:55 firewall default.hotplug[18817]: arguments (usb-serial) env (SUBSYSTEM=usb-serial OLDPWD=/ DEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/ttyUSB0 ACTION=add PWD=/etc/hotplug UDEV_LOG=3 UDEVD_EVENT=1 SHLVL=1 PHYSDEVBUS=usb-serial SEQNUM=2260 _=/bin/env)
    Mar 26 21:30:55 firewall default.hotplug[18817]: no runnable /etc/hotplug/usb-serial.agent is installed
    Mar 26 21:30:55 firewall default.hotplug[18864]: arguments (tty) env (PHYSDEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/ttyUSB0 SUBSYSTEM=tty OLDPWD=/ DEVPATH=/class/tty/ttyUSB0 MINOR=0 ACTION=add PWD=/etc/hotplug UDEV_LOG=3 MAJOR=188 DEVLINKS=/dev/tts/USB0 UDEVD_EVENT=1 DEVNAME=/dev/ttyUSB0 SHLVL=1 PHYSDEVDRIVER=ipaq PHYSDEVBUS=usb-serial SEQNUM=2261 _=/bin/env)
    Mar 26 21:30:55 firewall default.hotplug[18864]: invoke /etc/hotplug/tty.agent ()
    Mar 26 21:30:55 firewall hotplug(ipaq): PHYSDEVDRIVER=ipaq; ACTION=add
    Mar 26 21:30:55 firewall hotplug(ipaq): EXPORT=export ACTION="add" export DEVLINKS="/dev/tts/USB0" export DEVNAME="/dev/ttyUSB0" export DEVPATH="/class/tty/ttyUSB0" export MAJOR="188" export MINOR="0" export OLDPWD export PHYSDEVBUS="usb-serial" export PHYSDEVDRIVER="ipaq" export PHYSDEVPATH="/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/ttyUSB0" export PWD="/etc/hotplug" export SEQNUM="2261" export SHLVL="1" export SUBSYSTEM="tty" export UDEVD_EVENT="1" export UDEV_LOG="3"
    Mar 26 21:30:55 firewall default.hotplug[18884]: arguments (usb_device) env (PHYSDEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1 SUBSYSTEM=usb_device OLDPWD=/ DEVPATH=/class/usb_device/usbdev5.13 MINOR=524 ACTION=add PWD=/etc/hotplug UDEV_LOG=3 MAJOR=189 UDEVD_EVENT=1 DEVNAME=/dev/bus/usb/005/013 SHLVL=1 PHYSDEVDRIVER=usb PHYSDEVBUS=usb SEQNUM=2264 _=/bin/env)
    Mar 26 21:30:55 firewall hotplug(ipaq): Starte in 5 Secunden: synce-serial-start
    Mar 26 21:30:55 firewall sudo:     root : TTY=unknown ; PWD=/etc/hotplug ; USER=fred ; COMMAND=/usr/bin/dccm -p 9999 -d3
    Mar 26 21:30:55 firewall default.hotplug[18884]: no runnable /etc/hotplug/usb_device.agent is installed
    Mar 26 21:30:55 firewall dccm[18891]: Forking into background
    Mar 26 21:30:55 firewall dccm[18898]: It seems like dccm is already running with PID 19890. If this is wrong, please remove the file /home/fred/.synce/dccm.pid and run dccm again.
    Mar 26 21:30:57 firewall hotplug(ipaq): Starte: synce-serial-start
    Mar 26 21:30:59 firewall default.hotplug[18938]: arguments (net) env (SUBSYSTEM=net OLDPWD=/ DEVPATH=/class/net/ppp1 ACTION=add PWD=/etc/hotplug UDEV_LOG=3 UDEVD_EVENT=1 SHLVL=1 INTERFACE=ppp1 SEQNUM=2265 _=/bin/env)
    Mar 26 21:30:59 firewall default.hotplug[18938]: invoke /etc/hotplug/net.agent ()
    Mar 26 21:30:59 firewall net.agent[18938]: assuming ppp1 is already up
    
    If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
- David Eriksson - 2006-12-29
  
  Can you provide the /proc/bus/usb/devices entry for your device? It looks like it is configured to use the old serial protocol and not the new one available in Windows Mobile 5.
  
  If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
  - Marcel Ruff - 2006-12-29
    
    Hi
    
    thanks for your responses.
    
    The location here was /sys/bus/usb/drivers:
    
    ------------------------
    lrwxrwxrwx 1 root root 0 Dec 30 00:15 1-0:1.0 -> ../../../devices/pci0000:00/0000:00:1d.0/usb1/1-0:1.0/
    lrwxrwxrwx 1 root root 0 Dec 30 00:15 1-1 -> ../../../devices/pci0000:00/0000:00:1d.0/usb1/1-1/
    lrwxrwxrwx 1 root root 0 Dec 30 00:15 1-1:1.0 -> ../../../devices/pci0000:00/0000:00:1d.0/usb1/1-1/1-1:1.0/
    lrwxrwxrwx 1 root root 0 Dec 30 00:15 2-0:1.0 -> ../../../devices/pci0000:00/0000:00:1d.2/usb2/2-0:1.0/
    lrwxrwxrwx 1 root root 0 Dec 30 00:15 2-1 -> ../../../devices/pci0000:00/0000:00:1d.2/usb2/2-1/
    lrwxrwxrwx 1 root root 0 Dec 30 00:15 2-1:1.0 -> ../../../devices/pci0000:00/0000:00:1d.2/usb2/2-1/2-1:1.0/
    lrwxrwxrwx 1 root root 0 Dec 30 00:15 usb1 -> ../../../devices/pci0000:00/0000:00:1d.0/usb1/
    lrwxrwxrwx 1 root root 0 Dec 30 00:15 usb2 -> ../../../devices/pci0000:00/0000:00:1d.2/usb2/
    ------------------------
    
    and now i'm a bit lost what to look for, e.g. this?
    
    ------------------------
    noty:/sys/bus/usb/devices # l 2-1:1.0/
    total 0
    drwxr-xr-x 6 root root    0 Dec 30 00:20 ./
    drwxr-xr-x 5 root root    0 Dec 30 00:20 ../
    -r--r--r-- 1 root root 4096 Dec 30 00:20 bAlternateSetting
    -r--r--r-- 1 root root 4096 Dec 30 00:20 bInterfaceClass
    -r--r--r-- 1 root root 4096 Dec 30 00:20 bInterfaceNumber
    -r--r--r-- 1 root root 4096 Dec 30 00:20 bInterfaceProtocol
    -r--r--r-- 1 root root 4096 Dec 30 00:20 bInterfaceSubClass
    -r--r--r-- 1 root root 4096 Dec 30 00:20 bNumEndpoints
    lrwxrwxrwx 1 root root    0 Dec 30 00:20 bus -> ../../../../../../bus/usb/
    lrwxrwxrwx 1 root root    0 Dec 30 00:20 driver -> ../../../../../../bus/usb/drivers/ipaq/
    lrwxrwxrwx 1 root root    0 Dec 30 00:20 ep_02 -> ../../../../../../devices/pci0000:00/0000:00:1d.2/usb2/2-1/2-1:1.0/usbdev2.78_ep02/
    lrwxrwxrwx 1 root root    0 Dec 30 00:20 ep_81 -> ../../../../../../devices/pci0000:00/0000:00:1d.2/usb2/2-1/2-1:1.0/usbdev2.78_ep81/
    -r--r--r-- 1 root root 4096 Dec 30 00:20 modalias
    drwxr-xr-x 2 root root    0 Dec 30 00:20 power/
    lrwxrwxrwx 1 root root    0 Dec 30 00:20 subsystem -> ../../../../../../bus/usb/
    drwxr-xr-x 4 root root    0 Dec 30 00:20 ttyUSB0/
    --w------- 1 root root 4096 Dec 30 00:20 uevent
    lrwxrwxrwx 1 root root    0 Dec 30 00:20 usb_endpoint:usbdev2.78_ep02 -> ../../../../../../devices/pci0000:00/0000:00:1d.2/usb2/2-1/2-1:1.0/usbdev2.78_ep02/
    lrwxrwxrwx 1 root root    0 Dec 30 00:20 usb_endpoint:usbdev2.78_ep81 -> ../../../../../../devices/pci0000:00/0000:00:1d.2/usb2/2-1/2-1:1.0/usbdev2.78_ep81/
    drwxr-xr-x 3 root root    0 Dec 30 00:20 usbdev2.78_ep02/
    drwxr-xr-x 3 root root    0 Dec 30 00:20 usbdev2.78_ep81/
    ------------------------
    
    Another problem hit me:
    
    After upgrading from OpenSUSE 10.1 to 10.2 all rapi, synce and kcemirror
    packages disappeared!
    Now i can't even connect to my Psion (WinCE 4.1) anymore - oi oi oi,
    what happened with those tools?
    
    thanks
    Marcel
    
    If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
    - David Eriksson - 2006-12-30
      
      I really meant /proc/bus/usb/devices :-)
      
      Could you provide output from lsusb -v instead then?
      
      \David
      
      http://www.2good.nu -- http://www.ppconsulting.se
      
      If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
      - Marcel Ruff - 2006-12-31
        
        Now it suddenly connects without cycling,
        i have no clue why it suddenly seems to work.
        
        After upgrading from OpenSUSE 10.1 to 10.2 all rapi, synce and kcemirror
        packages disappeared!
        Now i can't even connect to my Psion (WinCE 4.1) anymore - oi oi oi,
        what happened with those tools?
        Can you give me a hint what to do next, which tools to use, to get rapi access
        to the IPAQ and to get the display to my X11 desktop?
        
        thanks
        Marcel
        
        /var/log/messages
        
        Dec 31 12:09:12 noty kernel: usb 2-1: configuration #1 chosen from 1 choice
        Dec 31 12:09:12 noty kernel: usbcore: registered new driver usbserial
        Dec 31 12:09:12 noty kernel: drivers/usb/serial/usb-serial.c: USB Serial support registered for generic
        Dec 31 12:09:12 noty kernel: usbcore: registered new driver usbserial_generic
        Dec 31 12:09:12 noty kernel: drivers/usb/serial/usb-serial.c: USB Serial Driver core
        Dec 31 12:09:12 noty kernel: drivers/usb/serial/usb-serial.c: USB Serial support registered for PocketPC PDA
        Dec 31 12:09:12 noty kernel: drivers/usb/serial/ipaq.c: USB PocketPC PDA driver v0.5
        Dec 31 12:09:12 noty kernel: ipaq 2-1:1.0: PocketPC PDA converter detected
        Dec 31 12:09:12 noty kernel: usb 2-1: PocketPC PDA converter now attached to ttyUSB0
        Dec 31 12:09:12 noty kernel: usbcore: registered new driver ipaq
        
        lsusb -v
        
        Bus 002 Device 002: ID 03f0:1016 Hewlett-Packard Jornada 548 / iPAQ HW6515 Pocket PC
        Device Descriptor:
        bLength                18
        bDescriptorType         1
        bcdUSB               2.00
        bDeviceClass            0 (Defined at Interface level)
        bDeviceSubClass         0
        bDeviceProtocol         0
        bMaxPacketSize0        16
        idVendor           0x03f0 Hewlett-Packard
        idProduct          0x1016 Jornada 548 / iPAQ HW6515 Pocket PC
        bcdDevice            0.00
        iManufacturer           1 HP
        iProduct                2 HP USB Sync
        iSerial                 3 dfe7ffff-ffff-f1fe-f800-0050bf1977e0
        bNumConfigurations      1
        Configuration Descriptor:
            bLength                 9
            bDescriptorType         2
            wTotalLength           32
            bNumInterfaces          1
            bConfigurationValue     1
            iConfiguration          0
            bmAttributes         0xc0
              Self Powered
            MaxPower                2mA
            Interface Descriptor:
              bLength                 9
              bDescriptorType         4
              bInterfaceNumber        0
              bAlternateSetting       0
              bNumEndpoints           2
              bInterfaceClass       255 Vendor Specific Class
              bInterfaceSubClass    255 Vendor Specific Subclass
              bInterfaceProtocol    255 Vendor Specific Protocol
              iInterface              0
              Endpoint Descriptor:
                bLength                 7
                bDescriptorType         5
                bEndpointAddress     0x81 EP 1 IN
                bmAttributes            2
                  Transfer Type            Bulk
                  Synch Type               None
                  Usage Type               Data
                wMaxPacketSize     0x0040 1x 64 bytes
                bInterval               0
              Endpoint Descriptor:
                bLength                 7
                bDescriptorType         5
                bEndpointAddress     0x02 EP 2 OUT
                bmAttributes            2
                  Transfer Type            Bulk
                  Synch Type               None
                  Usage Type               Data
                wMaxPacketSize     0x0040 1x 64 bytes
                bInterval               0
        Device Status:     0x0001
        Self Powered
        
        If you would like to refer to this comment somewhere else in this project, copy and paste the following link:

USB disconnects my IPAQ hw6910

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USB disconnects my IPAQ hw6910 document.SUBSCRIPTION_OPTIONS = { "thing": "topic", "subscribed": false, "url": "subscribe", "icon": { "css": "fa fa-envelope-o" } };

Another problem hit me:

/var/log/messages

lsusb -v

USB disconnects my IPAQ hw6910