ubuntu-x-swat team mailing list archive

[Popolon <popolon@xxxxxxxxxxx>]

This is the lspci. I booted with a standard ubuntu X.org config, to
generate this two files and explain more deeply the source of the
problem.

The detail of the device (could be an hardware problem on the device or motherboard) :
(I made a mistake in my previous comment, it was not detected in lsusb) before I unplug/replug it.

Anyway an hotplug detection by X.org of serial tablet (via usb or direct
serial) could be better for the overall hotplug system. I suppose some
other serial devices has the same kind of hotplug problem.

wacdump /dev/ttyUSB0 see immediatly the model of my wacom :
MODEL=Wacom Intuos 9x12                 ROM=1.1-7
CLS=Serial  VNDR=Wacom  DEV=Intuos  SUB=GD-0912-R

Then this can be autodetected.


Bus 002 Device 005: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.10
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0         8
  idVendor           0x067b Prolific Technology, Inc.
  idProduct          0x2303 PL2303 Serial Port
  bcdDevice            2.02
  iManufacturer           0 
  iProduct                0 
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           39
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xa0
      (Bus Powered)
      Remote Wakeup
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           3
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      0 
      bInterfaceProtocol      0 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x000a  1x 10 bytes
        bInterval               1
      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
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
Device Status:     0x0000
  (Bus Powered)


** Attachment added: "lspci.txt"
   http://launchpadlibrarian.net/31460065/lspci.txt

-- 
X.org doesn't hotplug wacom serial tablets
https://bugs.launchpad.net/bugs/424620
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