[linux-dvb] Another Nova-T 500 Dual DVB-T Oops

Patrick Boettcher patrick.boettcher at desy.de
Thu Jan 25 15:44:06 CET 2007


Hmm?!

What exactly was it that improved the behaviour in 2.6.20-rc4 ?

What is the exact reason for the disconnect (USB-debugging need to be 
enabled maybe)? Is it the device which disconnects itself or is it the bus 
which disconnects the device due to an error?


Patrick.

On Thu, 25 Jan 2007, Alexis Muller wrote:

> On Thu, 2007-01-25 at 13:29 +0100, Patrick Boettcher wrote:
> 
> > Can someone check if the lsusb -v output is showing something like:
> > 
> >     bmAttributes         0xe0
> >       Self Powered
> >       Remote Wakeup
> 
> Hi,
> 
> No I have an other output :
> bmAttributes         0xa0
>       (Bus Powered)
>       Remote Wakeup
> 
> The full output for this device :
> 
> Bus 002 Device 002: ID 2040:9950 Hauppauge 
> Device Descriptor:
>   bLength                18
>   bDescriptorType         1
>   bcdUSB               2.00
>   bDeviceClass            0 (Defined at Interface level)
>   bDeviceSubClass         0 
>   bDeviceProtocol         0 
>   bMaxPacketSize0        64
>   idVendor           0x2040 Hauppauge
>   idProduct          0x9950 
>   bcdDevice            1.00
>   iManufacturer           1 Hauppauge
>   iProduct                2 WinTV Nova-DT
>   iSerial                 3 4027349092
>   bNumConfigurations      1
>   Configuration Descriptor:
>     bLength                 9
>     bDescriptorType         2
>     wTotalLength           46
>     bNumInterfaces          1
>     bConfigurationValue     1
>     iConfiguration          0 
>     bmAttributes         0xa0
>       (Bus Powered)
>       Remote Wakeup
>     MaxPower              500mA
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        0
>       bAlternateSetting       0
>       bNumEndpoints           4
>       bInterfaceClass       255 Vendor Specific Class
>       bInterfaceSubClass      0 
>       bInterfaceProtocol      0 
>       iInterface              0 
>       Endpoint Descriptor:
>         bLength                 7
>         bDescriptorType         5
>         bEndpointAddress     0x01  EP 1 OUT
>         bmAttributes            2
>           Transfer Type            Bulk
>           Synch Type               None
>           Usage Type               Data
>         wMaxPacketSize     0x0200  1x 512 bytes
>         bInterval               1
>       Endpoint Descriptor:
>         bLength                 7
>         bDescriptorType         5
>         bEndpointAddress     0x81  EP 1 IN
>         bmAttributes            2
>           Transfer Type            Bulk
>           Synch Type               None
>           Usage Type               Data
>         wMaxPacketSize     0x0200  1x 512 bytes
>         bInterval               1
>       Endpoint Descriptor:
>         bLength                 7
>         bDescriptorType         5
>         bEndpointAddress     0x82  EP 2 IN
>         bmAttributes            2
>           Transfer Type            Bulk
>           Synch Type               None
>           Usage Type               Data
>         wMaxPacketSize     0x0200  1x 512 bytes
>         bInterval               1
>       Endpoint Descriptor:
>         bLength                 7
>         bDescriptorType         5
>         bEndpointAddress     0x83  EP 3 IN
>         bmAttributes            2
>           Transfer Type            Bulk
>           Synch Type               None
>           Usage Type               Data
>         wMaxPacketSize     0x0200  1x 512 bytes
>         bInterval               1
> Device Qualifier (for other device speed):
>   bLength                10
>   bDescriptorType         6
>   bcdUSB               2.00
>   bDeviceClass            0 (Defined at Interface level)
>   bDeviceSubClass         0 
>   bDeviceProtocol         0 
>   bMaxPacketSize0        64
>   bNumConfigurations      1
> Device Status:     0x0000
>   (Bus Powered)
> 
> 



More information about the linux-dvb mailing list