Re: [PATCH 1/2] Revert "Revert "HID: Fix logitech-dj: missing Unifyingdevice issue""

From: Jiri Kosina
Date: Mon Jul 22 2013 - 07:45:08 EST


On Fri, 19 Jul 2013, Peter Hurley wrote:

> > > As far as getting printk output from a custom kernel, I think that may
> > > be beyond the reporter's capability. Perhaps one of the Ubuntu devs
> > > triaging this bug could provide a test kernel for the OP with those
> > > options on.
> > >
> > > Joseph, would you be willing to do that?
> >
> > Sure thing. I'll build a kernel and request that the bug reporter
> > collect usbmon data.
>
> Thanks Joseph for building the test kernel and getting it to the reporter!
>
> Sarah,
>
> I've attached the dmesg capture supplied by the original reporter on
> a 3.10 custom kernel w/ the kbuild options you requested.
>
> It seems as if your initial suspicion is correct:
>
> [ 46.785490] xhci_hcd 0000:00:14.0: Endpoint 0x81 not halted, refusing to
> reset.
> [ 46.785493] xhci_hcd 0000:00:14.0: Endpoint 0x82 not halted, refusing to
> reset.
> [ 46.785496] xhci_hcd 0000:00:14.0: Endpoint 0x83 not halted, refusing to
> reset.
> [ 46.785952] xhci_hcd 0000:00:14.0: Waiting for status stage event
>
> At this point, would you recommend proceeding with the workaround or
> waiting for an xHCI bug fix?

Thanks for your efforts.

Seems like this might be a part of the picture, but not a complete one.
Linus claims to have similar problem, but his receiver is not connected
through xHCI (I got this as an off-list report, so can't really provide a
pointer to ML archives).

Thanks,

--
Jiri Kosina
SUSE Labs
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