Hi,
Recently, there is one bug report from Ubuntu community:
USB 2.0 Ports Dont Work on Sony Vaio Laptop
and the problem exists on upstream kernel too.
The built-in two USB 2.0 devices can be recognized correctly,
but external devices can't be recognized when the device is
connected to USB
On Wed, 19 Jun 2013, Ming Lei wrote:
> Hi,
>
> Recently, there is one bug report from Ubuntu community:
>
> USB 2.0 Ports Dont Work on Sony Vaio Laptop
>
> and the problem exists on upstream kernel too.
>
> The built-in two USB 2.0 devices can be recognized correctly,
> but external devic
Hi,
Thanks for your reply.
On Wed, Jun 19, 2013 at 11:17 PM, Alan Stern wrote:
> On Wed, 19 Jun 2013, Ming Lei wrote:
>
>> Hi,
>>
>> Recently, there is one bug report from Ubuntu community:
>>
>> USB 2.0 Ports Dont Work on Sony Vaio Laptop
>>
>> and the problem exists on upstream kernel too
On Wed, 19 Jun 2013, Ming Lei wrote:
> > There's a good chance this problem was caused by a change in the
> > xhci-hcd driver.
>
> I am wondering why xhci-hcd may cause the problem since the affected
> hub is 'Intel Corp. Integrated Rate Matching Hub' which is connected to
> EHCI root hub.
It's
On Wed, Jun 19, 2013 at 11:52:10AM -0400, Alan Stern wrote:
> On Wed, 19 Jun 2013, Ming Lei wrote:
>
> > > There's a good chance this problem was caused by a change in the
> > > xhci-hcd driver.
> >
> > I am wondering why xhci-hcd may cause the problem since the affected
> > hub is 'Intel Corp. I
On Tue, Jun 25, 2013 at 12:06 AM, Sarah Sharp
wrote:
> On Wed, Jun 19, 2013 at 11:52:10AM -0400, Alan Stern wrote:
>> On Wed, 19 Jun 2013, Ming Lei wrote:
>>
>> > > There's a good chance this problem was caused by a change in the
>> > > xhci-hcd driver.
>> >
>> > I am wondering why xhci-hcd may ca
