Re: Problem with udev & Vodafone UMTS card

[Marc Packenius <marc-dated-1107791918.6bb4b2@zappa.freenet-rz.de>]

Hi Kay,

Kay Sievers <kay.sievers@vrfy.org> writes:

> On Mon, 2005-01-24 at 15:15 +0100, Marc Packenius wrote:
>> after installing udev on a Debian/sid-powered Toshiba Satellite
>> notebook, the Vodafone UMTS card stopped working.
>> 
>> This pc-card includes a USB controller and feeds three serial character
>> devices when installed properly. They're called "/dev/ttyUSB[0-2]".
>> 
>> When using udev, those device nodes are not created properly, instead
>> the dev directory shows files with the filename "/dev/<NULL>[0-2]", e.g. 
>> "/dev/<NULL>0".

>> => /var/log/daemon.log <=
>> Jan 24 14:59:35 mudshark udev[3157]: creating device node '/dev/<NULL>0'
>> Jan 24 14:59:35 mudshark udev[3169]: creating device node '/dev/<NULL>1'
>> Jan 24 14:59:35 mudshark udev[3179]: creating device node '/dev/<NULL>2'

> How does:
>   ls -l /sys/class/tty/ttyUSB*

> look like, or any other suspicious entry in this directory?

mudshark:~# ls -l /sys/class/tty/ttyUSB*
ls: /sys/class/tty/ttyUSB*: Datei oder Verzeichnis nicht gefunden
mudshark:~# ls -l /sys/class/tty/*NULL*
/sys/class/tty/<NULL>0:
insgesamt 0
-r--r--r--  1 root root 4096 2005-01-24 16:51 dev
lrwxrwxrwx  1 root root    0 2005-01-24 16:51 device -> ../../../devices/pci0000:00/0000:00:1e.0/0000:01:0b.0/0000:02:00.0/usb5/5-1/5-1:1.0/ttyUSB0
lrwxrwxrwx  1 root root    0 2005-01-24 16:51 driver -> ../../../bus/usb-serial/drivers/generic

/sys/class/tty/<NULL>1:
insgesamt 0
-r--r--r--  1 root root 4096 2005-01-24 16:51 dev
lrwxrwxrwx  1 root root    0 2005-01-24 16:51 device -> ../../../devices/pci0000:00/0000:00:1e.0/0000:01:0b.0/0000:02:00.0/usb5/5-1/5-1:1.1/ttyUSB1
lrwxrwxrwx  1 root root    0 2005-01-24 16:51 driver -> ../../../bus/usb-serial/drivers/generic

/sys/class/tty/<NULL>2:
insgesamt 0
-r--r--r--  1 root root 4096 2005-01-24 16:51 dev
lrwxrwxrwx  1 root root    0 2005-01-24 16:51 device -> ../../../devices/pci0000:00/0000:00:1e.0/0000:01:0b.0/0000:02:00.0/usb5/5-1/5-1:1.2/ttyUSB2
lrwxrwxrwx  1 root root    0 2005-01-24 16:51 driver -> ../../../bus/usb-serial/drivers/generic
mudshark:~#

> What does:
>   udevinfo -a -p /sys/class/tty/ttyUSB0

> print?

mudshark:~# udevinfo -a -p /sys/class/tty/ttyUSB0
couldn't get the class device
mudshark:~# udevinfo -a -p /sys/class/tty/\<NULL\>0/

udevinfo starts with the device the node belongs to and then walks up the
device chain, to print for every device found, all possibly useful attributes
in the udev key format.
Only attributes within one device section may be used together in one rule,
to match the device for which the node will be created.

device '/sys/class/tty/<NULL>0' has major:minor 0:0
  looking at class device '/sys/class/tty/<NULL>0':
    SYSFS{dev}="0:0"

follow the class device's "device"
  looking at the device chain at '/sys/devices/pci0000:00/0000:00:1e.0/0000:01:0b.0/0000:02:00.0/usb5/5-1/5-1:1.0/ttyUSB0':
    BUS="usb-serial"
    ID="ttyUSB0"
    SYSFS{detach_state}="0"

  looking at the device chain at '/sys/devices/pci0000:00/0000:00:1e.0/0000:01:0b.0/0000:02:00.0/usb5/5-1/5-1:1.0':
    BUS="usb"
    ID="5-1:1.0"
    SYSFS{bAlternateSetting}=" 0"
    SYSFS{bInterfaceClass}="ff"
    SYSFS{bInterfaceNumber}="00"
    SYSFS{bInterfaceProtocol}="ff"
    SYSFS{bInterfaceSubClass}="ff"
    SYSFS{bNumEndpoints}="03"
    SYSFS{detach_state}="0"
    SYSFS{interface}="Data Interface"

  looking at the device chain at '/sys/devices/pci0000:00/0000:00:1e.0/0000:01:0b.0/0000:02:00.0/usb5/5-1':
    BUS="usb"
    ID="5-1"
    SYSFS{bConfigurationValue}="1"
    SYSFS{bDeviceClass}="00"
    SYSFS{bDeviceProtocol}="00"
    SYSFS{bDeviceSubClass}="00"
    SYSFS{bMaxPower}="100mA"
    SYSFS{bNumConfigurations}="1"
    SYSFS{bNumInterfaces}=" 3"
    SYSFS{bcdDevice}="0000"
    SYSFS{bmAttributes}="e0"
    SYSFS{detach_state}="0"
    SYSFS{devnum}="2"
    SYSFS{idProduct}="5000"
    SYSFS{idVendor}="0af0"
    SYSFS{manufacturer}="Vodafone"
    SYSFS{maxchild}="0"
    SYSFS{product}="Vodafone Mobile Connect Card - 3G"
    SYSFS{serial}="Serial Number"
    SYSFS{speed}="12"
    SYSFS{version}=" 2.00"

  looking at the device chain at '/sys/devices/pci0000:00/0000:00:1e.0/0000:01:0b.0/0000:02:00.0/usb5':
    BUS="usb"
    ID="usb5"
    SYSFS{bConfigurationValue}="1"
    SYSFS{bDeviceClass}="09"
    SYSFS{bDeviceProtocol}="00"
    SYSFS{bDeviceSubClass}="00"
    SYSFS{bMaxPower}="  0mA"
    SYSFS{bNumConfigurations}="1"
    SYSFS{bNumInterfaces}=" 1"
    SYSFS{bcdDevice}="0206"
    SYSFS{bmAttributes}="c0"
    SYSFS{detach_state}="0"
    SYSFS{devnum}="1"
    SYSFS{idProduct}="0000"
    SYSFS{idVendor}="0000"
    SYSFS{manufacturer}="Linux 2.6.10-mudshark ohci_hcd"
    SYSFS{maxchild}="2"
    SYSFS{product}="OPTi Inc. 82C861"
    SYSFS{serial}="0000:02:00.0"
    SYSFS{speed}="12"
    SYSFS{version}=" 1.10"

  looking at the device chain at '/sys/devices/pci0000:00/0000:00:1e.0/0000:01:0b.0/0000:02:00.0':
    BUS="pci"
    ID="0000:02:00.0"
    SYSFS{class}="0x0c0310"
    SYSFS{detach_state}="0"
    SYSFS{device}="0xc861"
    SYSFS{irq}="11"
    SYSFS{local_cpus}="1"
    SYSFS{subsystem_device}="0xc861"
    SYSFS{subsystem_vendor}="0x1045"
    SYSFS{vendor}="0x1045"

  looking at the device chain at '/sys/devices/pci0000:00/0000:00:1e.0/0000:01:0b.0':
    BUS="pci"
    ID="0000:01:0b.0"
    SYSFS{class}="0x060700"
    SYSFS{detach_state}="0"
    SYSFS{device}="0x0617"
    SYSFS{irq}="11"
    SYSFS{local_cpus}="1"
    SYSFS{subsystem_device}="0x0001"
    SYSFS{subsystem_vendor}="0x1179"
    SYSFS{vendor}="0x1179"

  looking at the device chain at '/sys/devices/pci0000:00/0000:00:1e.0':
    BUS="pci"
    ID="0000:00:1e.0"
    SYSFS{class}="0x060400"
    SYSFS{detach_state}="0"
    SYSFS{device}="0x2448"
    SYSFS{irq}="0"
    SYSFS{local_cpus}="1"
    SYSFS{subsystem_device}="0x0000"
    SYSFS{subsystem_vendor}="0x0000"
    SYSFS{vendor}="0x8086"

  looking at the device chain at '/sys/devices/pci0000:00':
    BUS=""
    ID="pci0000:00"
    SYSFS{detach_state}="0"

Does this help?

Thanks for looking into the issue,
-- 
Marc "Backlog" Packenius


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