Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757988AbaD3Gm2 (ORCPT ); Wed, 30 Apr 2014 02:42:28 -0400 Received: from cantor2.suse.de ([195.135.220.15]:37868 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754021AbaD3GmZ (ORCPT ); Wed, 30 Apr 2014 02:42:25 -0400 Date: Wed, 30 Apr 2014 08:42:24 +0200 Message-ID: From: Takashi Iwai To: Bryan Quigley Cc: linux-kernel@vger.kernel.org Subject: Re: PROBLEM: Pulseaudio hung at schedule in 3.15-rc1 In-Reply-To: References: User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/24.3 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org At Tue, 29 Apr 2014 14:04:15 -0400, Bryan Quigley wrote: > > I pastebined the full boots syslog here: http://pastebin.ubuntu.com/7360925/ > > The only kernel error I get is that pulseaudio hangs.. Nothing more > specific as to why. > I can also get a hang if I just run: sudo lsusb -v. It displays > Bus 002 Device 002: ID 046d:0825 Logitech, Inc. Webcam C270 > [blinking cursor] Thanks. Could you try the patch below? Takashi --- diff --git a/sound/usb/card.c b/sound/usb/card.c index 893d5a1afc3c..28f13def4838 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -651,7 +651,7 @@ int snd_usb_autoresume(struct snd_usb_audio *chip) int err = -ENODEV; down_read(&chip->shutdown_rwsem); - if (chip->probing) + if (chip->probing || chip->num_suspended_intf) err = 0; else if (!chip->shutdown) err = usb_autopm_get_interface(chip->pm_intf); @@ -663,7 +663,7 @@ int snd_usb_autoresume(struct snd_usb_audio *chip) void snd_usb_autosuspend(struct snd_usb_audio *chip) { down_read(&chip->shutdown_rwsem); - if (!chip->shutdown && !chip->probing) + if (!chip->shutdown && !chip->probing && !chip->num_suspended_intf) usb_autopm_put_interface(chip->pm_intf); up_read(&chip->shutdown_rwsem); } @@ -695,8 +695,10 @@ static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message) chip->autosuspended = 1; } - list_for_each_entry(mixer, &chip->mixer_list, list) - snd_usb_mixer_suspend(mixer); + if (chip->num_suspended_intf == 1) { + list_for_each_entry(mixer, &chip->mixer_list, list) + snd_usb_mixer_suspend(mixer); + } return 0; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/