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Date:      Tue, 19 Apr 2022 10:56:25 +0200
From:      Hans Petter Selasky <hps@selasky.org>
To:        Mahesh Vardhamanaiah <maheshmv@juniper.net>, "freebsd-usb@freebsd.org" <freebsd-usb@freebsd.org>
Cc:        Steve Kiernan <stevek@juniper.net>, Justin Hibbits <jhibbits@juniper.net>, Kumara N Babu <bkumara@juniper.net>, Kamal Prasad <krprasad@juniper.net>, Kristof Provost <kp@FreeBSD.org>, "Bjoern A. Zeeb" <bz@FreeBSD.org>
Subject:   Re: xhci data toggle out of sync
Message-ID:  <e00f5e9f-c34c-3500-e62a-6b7f80765fc5@selasky.org>
In-Reply-To: <PH0PR05MB77828A618B7BAD70DB98C534D5F29@PH0PR05MB7782.namprd05.prod.outlook.com>
References:  <PH0PR05MB778212B54B636F87C246F62AD5F39@PH0PR05MB7782.namprd05.prod.outlook.com> <61bc4594-f2d3-17c4-42b5-0297ffd78fa3@selasky.org> <PH0PR05MB7782707B34F020611B7FA6C3D5F39@PH0PR05MB7782.namprd05.prod.outlook.com> <8f51424d-7d1a-9f0a-a0ba-27b02cab0942@selasky.org> <PH0PR05MB7782C512E3F29F34A546300BD5F29@PH0PR05MB7782.namprd05.prod.outlook.com> <459317b1-a87d-5f1d-3a52-83ceee48056d@selasky.org> <PH0PR05MB77828A618B7BAD70DB98C534D5F29@PH0PR05MB7782.namprd05.prod.outlook.com>

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Hi Mahesh,

On 4/19/22 10:40, Mahesh Vardhamanaiah wrote:
> xhci0: MMV Could not stop endpoint 3
> xhci0: MMV Could not reset endpoint 3

Is there a chance you can find out why the XHCI controller is not 
accepting these commands?

I mean, if the endpoint cannot be reset, also when there is no previous 
failure, there clearly is a design issue in the fabric :-(

--HPS



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