[pulseaudio-discuss] [bluez + ofono+ pulseaudio] WARN Event TRB for slot 3 ep 5 with no TDs queued?

[mohammed rilwan]

Thank you Tanu Georg~

My bluetooth dongle is an inbuilt one. Not an external usb dongle. Thanks
for the pointer anyway.
A reboot resolves the problem anyway. And it comes at random time :(
Let me dig this more.

On Tue, Nov 29, 2016 at 8:12 PM, Georg Chini <georg at chini.tk> wrote:

> On 29.11.2016 14:27, Tanu Kaskinen wrote:
>
>> On Mon, 2016-11-28 at 19:01 +0530, mohammed rilwan wrote:
>>
>>> Hi,
>>>
>>> I am on ubuntu 16.04.
>>> playing audio over sco link from android device to ubuntu. PC as headset.
>>> Everything works as expected.I can hear the audio through PC speakers.
>>> Unfortunately i get below error sometimes and not able to hear the audio.
>>> Not sure why and when i get this error. couldnot confirm the reproduction
>>> path. Anyone ahs seen this issue and solved this ? Any help much
>>> appreciated.
>>>
>>> version-
>>> coex at coex:~$ /usr/local/bin/pulseaudio --version
>>> pulseaudio 9.0-113-g058f
>>> coex at coex:~$ pacmd --version
>>> pacmd 9.0-113-g058f
>>> Compiled with libpulse 9.0.0
>>> Linked with libpulse 8.0.0
>>>
>>>
>>> error-
>>> <good logs until  ofono creates AG, and succesful conenction>
>>> <started audio play in android device--some sco conenction whitenoise
>>> started, just before the real audio i get this error>
>>> ......
>>> Nov 28 18:51:56 coex kernel: [10831.352267] xhci_hcd 0000:00:14.0: WARN
>>> Event TRB for slot 3 ep 5 with no TDs queued?
>>> Nov 28 18:51:56 coex kernel: [10831.353261] xhci_hcd 0000:00:14.0: WARN
>>> Event TRB for slot 3 ep 5 with no TDs queued?
>>> Nov 28 18:51:56 coex kernel: [10831.354269] xhci_hcd 0000:00:14.0: WARN
>>> Event TRB for slot 3 ep 5 with no TDs queued?
>>> Nov 28 18:51:56 coex kernel: [10831.355270] xhci_hcd 0000:00:14.0: ERROR
>>> Transfer event TRB DMA ptr not part of current TD ep_index 5 comp_code 1
>>> Nov 28 18:51:56 coex kernel: [10831.355273] xhci_hcd 0000:00:14.0:
>>> Looking
>>> for event-dma 000000002acfd0e0 trb-start 000000002acfd060 trb-end
>>> 000000002acfd060 seg-start 000000002acfd000 seg-end 000000002acfdff0
>>> Nov 28 18:51:56 coex kernel: [10831.356269] xhci_hcd 0000:00:14.0: ERROR
>>> Transfer event TRB DMA
>>>
>> I'm not familiar with these kernel errors. The linux-bluetooth mailing
>> list would probably be a better place for this question:
>> http://vger.kernel.org/vger-lists.html#linux-bluetooth
>>
>> This looks even further down the stack - the messages are from the USB
> 3.0 driver. It is probably a 2.0 device so you should better use a 2.0 port
> (and the ehci_hcd driver).
>
> I observed issues with 2.0 devices on 3.0 ports.
>
>
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>



-- 
Mohammed Rilwan M
ModelEngineering College
Thrikkakara.
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