Linux Input/HID development
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From: Oliver Neukum <oneukum@suse.com>
To: Alan Stern <stern@rowland.harvard.edu>,
	Liam Mitchell <mitchell.liam@gmail.com>
Cc: Jiri Kosina <jikos@kernel.org>,
	Benjamin Tissoires <bentiss@kernel.org>,
	linux-usb@vger.kernel.org, linux-input@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: usbhid: Intermittent EPROTO errors trigger USB reset and interrupt user input
Date: Mon, 2 Feb 2026 16:48:49 +0100	[thread overview]
Message-ID: <1c317994-2932-4e2e-8e80-1c90606e63c9@suse.com> (raw)
In-Reply-To: <1ebf9d19-7293-4902-857b-164fd4d21f25@rowland.harvard.edu>



On 01.02.26 21:40, Alan Stern wrote:
> On Sun, Feb 01, 2026 at 06:57:06PM +0100, Liam Mitchell wrote:
>> Hi,
>>
>> I'm trying to understand and fix intermittent keyboard/trackpad issues
>> on my 2013 MacBook Pro running Linux v6.18.4:
>> - missed/repeated/sticky keys while typing (this thread)

Alan,

this raises a question. What happens to KEY_UP events generated in
between the last EPROTO and the reset? It seems to me like we need
to assume that a reset implies that all keys have been released.

	Regards
		Oliver


  parent reply	other threads:[~2026-02-02 15:48 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-01 17:57 usbhid: Intermittent EPROTO errors trigger USB reset and interrupt user input Liam Mitchell
2026-02-01 20:40 ` Alan Stern
2026-02-01 21:51   ` Liam Mitchell
2026-02-02 15:48   ` Oliver Neukum [this message]
2026-02-02 16:09     ` Alan Stern

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