Ubuntu
linux package

  1. Bug #1172908
  2. Comment #48

Comment 48 for bug 1172908

Revision history for this message
Ming Lei (tom-leiming) wrote : Re: [Bug 1172908] Re: USB 2.0 Ports Dont Work on Sony Vaio Laptop

On Thu, Jun 20, 2013 at 4:10 AM, ATIpro <email address hidden> wrote:
>> I have no idea on the bug, and reported it on linux-usb list already.
>
> This issue exist in Debian 6 with kernel 2.6.32. I haven't tested older kernels, but I can do that if it helps.
> Bios (UEFI) of this laptop is very limited in terms of configuration, there is no usb configuration at all. This problem exists both in legacy and native uefi modes.
> During bios initialization this port works. So I can plug there flash drive with live linux distribution and successfully see GRUB/Syslinux/etc from it. But during running initramfs LED on flash drive stops glowing and after timeout I see Busybox line with error about missing root partition.

Yes, upstream guy thought it might be caused by BIOS, see

     http://marc.info/?t=137160415400003&r=1&w=2

Could you try to upgrade to a newer BIOS version?

Or have you done the tests below?

- plug one 2.0 devices to 2.0 port, then power on machine to see
if they can be found in 2.0 bus

If not, I suggest you to give it a try.

Thanks,
--
Ming Lei