Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756493AbbHZNXf (ORCPT ); Wed, 26 Aug 2015 09:23:35 -0400 Received: from mx2.suse.de ([195.135.220.15]:49972 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752552AbbHZNXe (ORCPT ); Wed, 26 Aug 2015 09:23:34 -0400 Date: Wed, 26 Aug 2015 15:23:33 +0200 Message-ID: From: Takashi Iwai To: Alexander Kuleshov Cc: Jaroslav Kysela , alsa-devel@alsa-project.org, LKML Subject: Re: ALSA/usb-audio: snd_usb_autoresume possible recursive locking detected In-Reply-To: <20150826131643.GA1607@localhost> References: <20150825133256.GA1804@localhost> <20150825171523.GA1413@localhost> <20150826074002.GA1600@localhost> <20150826131643.GA1607@localhost> 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/24.5 (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 Content-Length: 845 Lines: 28 On Wed, 26 Aug 2015 15:16:43 +0200, Alexander Kuleshov wrote: > > On 08-26-15, Takashi Iwai wrote: > > > > Ah, sorry, this was the missing refcount increment at resume. > > Below is the revised patch. In the final form, it'll be split to a > > few parts, but now it's all folded for ease of testing. > > > > Hello Takashi, > > sorry for delay, just made a test with the last patch and finally > dmesg is clear. Great, thanks for many tests! I tried the autopm on my machine, but strangely I couldn't reproduce this lockdep warning. Could you give your kconfig? I'd like to check. Takashi -- 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/