From mboxrd@z Thu Jan 1 00:00:00 1970 From: Valdis.Kletnieks@vt.edu Subject: Re: [alsa-devel] linux-next - strange audio bug Date: Thu, 02 Apr 2015 22:21:40 -0400 Message-ID: <4518.1428027700@turing-police.cc.vt.edu> References: <57781.1428021275@turing-police.cc.vt.edu> <551DE25C.6020201@canonical.com> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1428027700_2100P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Your message of "Fri, 03 Apr 2015 08:44:12 +0800." <551DE25C.6020201@canonical.com> Sender: linux-kernel-owner@vger.kernel.org To: Hui Wang Cc: Jaroslav Kysela , Takashi Iwai , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org List-Id: alsa-devel@alsa-project.org --==_Exmh_1428027700_2100P Content-Type: text/plain; charset=us-ascii On Fri, 03 Apr 2015 08:44:12 +0800, Hui Wang said: > It sounds like the suspend or resume of power management introduces this > problem. Probably you could reproduce this problem very soon just > repeatedly suspend and resume the system. I don't do suspend on this laptop, I poweroff and reboot when I get wherever I'm going. However... device-level power management? Hmm.. I *do* remember that each time I found it dead, I was coming back to my laptop from doing something else, so the sound would have been idle.... commit c4c2533f802d6877803c4d778def43d8a122f27b Author: Takashi Iwai Date: Tue Mar 3 17:22:12 2015 +0100 ALSA: hda - Fix possible runtime PM refcount unbalance That landed in next-20150324 - which is broken for me. Looks worth trying a revert before I bisect, thanks for the hint, will report back (probably tomorrow) on what happens... --==_Exmh_1428027700_2100P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Exmh version 2.5 07/13/2001 iQIVAwUBVR35NAdmEQWDXROgAQISqA//esdta7q7PcQZ6HF7Za/8VjiBpBY5pgNy f4/qwZtX9zcCgiYthlA1x1XaXnbv88FvXX71lyzjGs8Db9umb4plWGpMm0jIYf5H 25IussuZiY2XlaRlKK61hz8FHq1dpEDb1TQqDTNwDrXBT3zIh1HznI/eHd8kGK8p U1jjCNpUNYrP29E8749D3VPaHwqkQK9IGwh0HKWzhJImjwHV8LOHteFmqdfF68fB Eg4bhr5XkoIw2qSseKdFmKoUDxJjnq9pKWmq+YF2H52YgvSLj8WSk4n+8sMfRgFx FPR4ugfJTrk6bpC8YeGFLDHveanyM0/eY+2J5tDGyU4e4H6OLoAfJWX+aNXvp+pK p3IWTOYCzVq2/Rp4mmUz6dBo0gu7I/fL5EclpNZpDjxk8oYDZ7nMSk1bEp+lvByB cgJ4jIUEdKh4LAib/Urve1bAMbkI6R97pvoynxWfHExoDTphal80wfJEgBv3XHSA OAfHdUFK9v2gg27LPjnqrxrCc3RUYCJ3hbzkvOlNj6gezMNQI9UFaxRukp2AJgv4 uu+VBGURXx7bqU0D7DnihJnAMgxvLi0qYMGz1lkRg46MxAXCstN65iBhAOASap+X 7ztSbYi2tn5GXZgSGmFXYYlt54Q5UXfGaicrrcgAxXrF4zWNfd4LP1hLap/uy4Mr X8tqvlZHVAQ= =J/UZ -----END PGP SIGNATURE----- --==_Exmh_1428027700_2100P--