From: Udo van den Heuvel <udovdh@xs4all.nl>
To: Mathias Nyman <mathias.nyman@linux.intel.com>,
USB list <linux-usb@vger.kernel.org>
Subject: Re: 5.11.17: xhci_hcd 0000:0a:00.3: WARN Event TRB for slot 3 ep 12 with no TDs queued?
Date: Tue, 25 May 2021 07:35:52 +0200 [thread overview]
Message-ID: <758067a5-66e2-c979-ebf0-95c738283355@xs4all.nl> (raw)
In-Reply-To: <6a4c37df-8403-4026-6ff2-189ce1e87264@linux.intel.com>
On 03-05-2021 10:57, Mathias Nyman wrote:
>> When 5.11.17 gives me a load of:
>>
>> xhci_hcd 0000:0a:00.3: WARN Event TRB for slot 3 ep 12 with no TDs queued
>>
>> What happened?
>
> Either your host is sending spurious events, or more likely this TD (transfer descriptor)
> was already handled and given back by driver due some event mid TD.
> Host still has this TD cached and generates events for last entry of TD after xhci driver gave it back.
It happened again without me really using USB. (i.e.: no plugging in/out
of USB items)
Does that tell you anything?
The PC has USB keyboard/mouse, but also a connection to the USB hub in
the monitor.
>> What can I do (to help) fix it?
>
> First try 5.12 (just came out) It has some xhci driver changes in this area.
5.12.6 here...
I'll look into generating a trace.
Udo
prev parent reply other threads:[~2021-05-25 5:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-02 15:22 5.11.17: xhci_hcd 0000:0a:00.3: WARN Event TRB for slot 3 ep 12 with no TDs queued? Udo van den Heuvel
2021-05-03 8:57 ` Mathias Nyman
2021-05-25 5:35 ` Udo van den Heuvel [this message]
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