[linux-dvb] USB issues

philipp Wehrheim flipstar at gmx.net
Thu Nov 29 01:18:17 CET 2007


Hey Yousef,

Yousef Lamlum wrote:
> Hi,
> 
> Perhaps this is the wrong place to ask but I've been having a USB
> related issue with my Artec T14BR (Ultima Electronics). It's a USB 2.0
> device and it's plugged in to a PCI USB 2.0 card (with NEC chipset).
> The problem is this: When booting from cold (powered off), the Ubuntu
> boots fine but does not recognise the T14BR. dmesg tells me "usb 3-3:
> device descriptor read/64, error -62".  Subsequent reboots do not make
> the device work either.
> 
> However, if I physically unplug and replug in the device it is picked
> up, the driver loads and it works instantly, and remains working with
> each reboot until the computer is powered down.
> 
> I've researched the problem, and tried a variety of suggestions (tried
> other USB ports on the card, passing boot options to the kernel, trying
> different cables) all with no difference.
> 
> Given that a fair few of you use USB 2.0 devices, has anyone come across
> this problem before, and if so, does anyone have a solution?

This is because the firmware is not part of the initrd/initramfs
used by ubuntu.
You'll have to create on with the needed files.

--
flip



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