From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753693Ab0CWOJA (ORCPT ); Tue, 23 Mar 2010 10:09:00 -0400 Received: from smtprelay01.ispgateway.de ([80.67.31.39]:58980 "EHLO smtprelay01.ispgateway.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753568Ab0CWOI7 (ORCPT ); Tue, 23 Mar 2010 10:08:59 -0400 Message-ID: <4BA8CB73.80400@ladisch.de> Date: Tue, 23 Mar 2010 15:08:51 +0100 From: Clemens Ladisch User-Agent: Thunderbird 2.0.0.24 (Windows/20100228) MIME-Version: 1.0 To: Pavel Machek CC: Bill Davidsen , linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org Subject: Re: 2.6.34-rc1: regression: ^Z no longer stops sound References: <20100314075831.GA13457@elf.ucw.cz> <20100323135942.GB1703@ucw.cz> In-Reply-To: <20100323135942.GB1703@ucw.cz> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Df-Sender: linux-kernel@cl.domainfactory-kunde.de Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Pavel Machek wrote: > On Sun 2010-03-14 17:20:13, Bill Davidsen wrote: >> Pavel Machek wrote: >>> In 2.6.33, hitting ^Z stopped mpg123 in a way you'd expect (both on >>> thinkpad and geode notebook). >>> >>> On 2.6.34-rc1, hit ^Z and sound starts looping. >> >> That's not new, I have seen it back as far as 2.6.27.25 doing a suspend >> in a VM (KVM, no libvirt). But it only happens a few times a year, so I >> never chased it. I hate to report an occasional problem in an obsolete >> kernel, and I can't reproduce it. >> >> Does it happen repeatably with the new kernel? > > It happened reliably so far, yes. This sounds as if the device has been configured to ignore underruns. What are the contents of /proc/asound/card0/pcm0p/sub0/{sw_params,status} when it's looping, and when it's really suspended? Regards, Clemens