Mailinglist Archive: opensuse-kernel (68 mails)

[Bruno Friedmann <bruno@xxxxxxxxxxx>]

On 07/23/2010 02:43 PM, Greg KH wrote:
> On Fri, Jul 23, 2010 at 02:30:56PM +0200, Bruno Friedmann wrote:
> > On 07/23/2010 02:25 PM, Greg KH wrote:
> > > On Fri, Jul 23, 2010 at 02:11:38PM +0200, Bruno Friedmann wrote:
> > > > Hi all, I'm now using a new device usb3 ready.
> > > >
> > > > But hot-pluging it drive you nowhere
> > > > dmesg full of
> > > > xhci_hcd 0000:04:00.0: WARN: Stalled endpoint
> > >
> > > Does the device still work properly, even with that message?
> > >
> > > thanks,
> > >
> > > greg k-h
> >
> > Not everything on the device stall and it's just loose.
>
> What do you mean by that?
>
> > First plug I was thinking it's works so I fired fdisk and build a partition.
> > Using w to write on it, are now running, even if I disconnect the device 
> > after having constant
> >
> > [706143.616465] xhci_hcd 0000:04:00.0: WARN: Stalled endpoint
> > [706143.624523] xhci_hcd 0000:04:00.0: WARN: Stalled endpoint
> > [706143.632588] xhci_hcd 0000:04:00.0: WARN: Stalled endpoint
> > [706143.640660] xhci_hcd 0000:04:00.0: WARN: Stalled endpoint
> > [706143.649079] xhci_hcd 0000:04:00.0: WARN: Stalled endpoint
>
> So it works properly?
>
> Is this a USB 3.0 storage device only?  If so, we don't have a Linux
> driver for it (no operating system does), so it might not work to its
> full capabilities yet.
>
> USB 3 is still under heavy development.  The basics are there, but the
> full speed improvement is still being worked on (see the changes in the
> linux-next tree for examples of major speedups and lots of bug fixes.)
>
> If you drop back to USB 2.0 controller speeds, does the device run
> properly?
>
> thanks,
>
> greg k-h

Hi Greg.

Ok we have done so more test on a same motherboard, with 11.3

USB-3 is working directly ( WARN: stalled endpoint is always here ) but 
hardrive are correctly detected and mounted
Made with a 160GB + 1TB .

With the 2TB tried before, there a trouble when try directly (hot-plugging in 
the adapter)
Have error I/O code -71

After powering off the usb docking, disk 2TB inside it, power on, it works as 
expected.


We retry formatting & transfering for this disk (2TB) and everything seems to 
work.
So as it's too much hard to reproduce, I don't create a bug report.
I will wait a second failure, with clear errors that can be reproduce, I come 
back to you.


-- 

Bruno Friedmann  bruno@xxxxxxxxxxx

Ioda-Net Sàrl www.ioda-net.ch

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