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

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On 07/22/2013 07:44 AM, Jiri Kosina wrote:
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).

Ah, ok. I wasn't aware of that. I'll assume then that the necessary
people have the complete picture.

Regards,
Peter Hurley


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