From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Newbury Subject: Re: No speaker output with kernel 3.15 and later Date: Tue, 01 Jul 2014 12:49:32 +0100 Message-ID: <1404215372.2290.0.camel@snewbury.org.uk> References: <1404050996.31259.2.camel@snewbury.org.uk> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============3174281666641347280==" Return-path: Received: from know-smtprelay-omc-11.server.virginmedia.net (know-smtprelay-omc-11.server.virginmedia.net [80.0.253.75]) by alsa0.perex.cz (Postfix) with ESMTP id 6C7EC261A83 for ; Tue, 1 Jul 2014 13:49:57 +0200 (CEST) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Takashi Iwai Cc: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org --===============3174281666641347280== Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-WybSedh4LnT8suFlWM5/" --=-WybSedh4LnT8suFlWM5/ Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2014-06-30 at 11:24 +0200, Takashi Iwai wrote: > At Sun, 29 Jun 2014 15:09:56 +0100, > Steven Newbury wrote: > > I sent=20 > > Takashi an email mentioning this regression a month ago, and > > it's=20 > > taken me this long to send this email... :-$ > > Since updating to=20 > > kernel versions >=3D3.15 I've had no audio from my > > laptop speakers. =20 > > Earlier versions worked fine. > > It's a CLEVO W270EUQ laptop. The=20 > > output mixer device is showing up, > > but no sound comes out at any=20 > > volume level. > > As requested I've attached compressed alsa-info.sh=20 > > output for both the > > working and non-working cases. > > I'm perfectly=20 > > willing to test patches etc. > =20 > Hm, I see no significant difference between 3.14 and 3.15 alsa-info.sh > outputs, and there's been very little change for VIA codecs between > these versions. So, in short, I have no idea what went wrong. > =20 > Could you double-check whether it's really a kernel issue? > That is, switch between 3.14 and 3.15 and confirm the problem happens > only with 3.15. Also, for testing the sound, try like > =20 > % aplay -Dplughw -vv foo.wav >=20 Checked again. 3.16-rc2: silence 3.14.3: works fine --=-WybSedh4LnT8suFlWM5/ Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iEYEABECAAYFAlOyoEwACgkQGcb56gMuC62MhwCfYilkFFaw7Vd+S65bCtsGtcFu jWEAn2ys4StysMEogfjL4gPHHi+vQz1/ =G6PO -----END PGP SIGNATURE----- --=-WybSedh4LnT8suFlWM5/-- --===============3174281666641347280== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline --===============3174281666641347280==--