From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756593AbYKCPf0 (ORCPT ); Mon, 3 Nov 2008 10:35:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755735AbYKCPfI (ORCPT ); Mon, 3 Nov 2008 10:35:08 -0500 Received: from main.gmane.org ([80.91.229.2]:53988 "EHLO ciao.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754154AbYKCPfG (ORCPT ); Mon, 3 Nov 2008 10:35:06 -0500 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Andi Kleen Subject: Re: System hang from holding left shift key Date: 03 Nov 2008 16:30:21 +0100 Message-ID: References: <490EAB65.1000908@lwfinger.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: one.firstfloor.org User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Larry Finger writes: > While absentmindedly holding down the left shift key as I was thinking about my > next input, I froze the keyboard. After 3 seconds, the system sounded a high > beep, and then a low beep after another 3 seconds. At that point, no key entry > had any effect. From the beeps, one might conclude that the input buffer is > full, but a CTRL/U did not clear it. Fortunately, a short press on the power > button shut down the machine cleanly. > > I don't know if this is a regression. I found it in v2.6.28-rc2, but the oldest > kernel that I could test (v2.6.24) already has the problem. I vaguely remember hitting something like that long ago (much earlier 2.6). But i wasn't able to stabilize it so I never reported it or tried to track it down. But it's probably not a new problem. -Andi -- ak@linux.intel.com