From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Kumlien Subject: Re: [noise] The noise problem wrt Audigy 2 ZS Date: Mon, 24 Oct 2005 11:00:51 +0200 Message-ID: <1130144451.10270.22.camel@localhost> References: <1130080668.10270.3.camel@localhost> <1130084827.11980.12.camel@mindpipe> <1130112868.10270.11.camel@localhost> <1130127531.16563.5.camel@mindpipe> Reply-To: pomac@vapor.com Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-Hc2S+c03suDxP3UTuXQi" Return-path: In-Reply-To: <1130127531.16563.5.camel@mindpipe> Sender: alsa-user-admin@lists.sourceforge.net Errors-To: alsa-user-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Lee Revell Cc: ALSA user list , alsa-devel List-Id: alsa-devel@alsa-project.org --=-Hc2S+c03suDxP3UTuXQi Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Mon, 2005-10-24 at 00:18 -0400, Lee Revell wrote: > Please make sure to cc: the ALSA lists. Yeah, i only hit reply last time, =3DP > On Mon, 2005-10-24 at 02:14 +0200, Ian Kumlien wrote: > > On Sun, 2005-10-23 at 12:27 -0400, Lee Revell wrote: > > > On Sun, 2005-10-23 at 17:17 +0200, Ian Kumlien wrote: > > > > Hi,=20 > > > >=20 > > > > I have found a bunch of topics on this now: > > > > Squealing / Buzzing / Static noise with EMU10k1 and Audigy 2 ZS > > > > https://bugtrack.alsa-project.org/alsa-bug/view.php?id=3D1276 > > >=20 > > > How are you able to access this site at all? bugtrack.alsa-project.o= rg > > > has been giving me "Connection refused" for days. > >=20 > > It worked before, both from here and from a friends place...=20 > >=20 > > > Can you repost the text of the bug report? > >=20 > > Someone else did. > >=20 > > The interesting part of this is that it almost works for a while, if yo= u > > really work at it, you *can* get it to work sometimes. It feels like it > > depends on where in the memory "things" are located, and by things i > > mean either the kernel module or the app itself, i dunno which. > >=20 > > You can also hear more or less of the actual sound with the noise, > > sometimes you don't hear any of it and sometimes you hear some of it. > >=20 >=20 > Hmm. You mentioned this bug only occurs on 64 bit machines or with more > than 1GB of memory. Maybe it can only DMA into the first 1GB of memory > or something. Try this patch. Yes, that seems to work, and the comment above should apply to both cards i think =3D) (i compiled a new version of rc2 with this patch and it just started playing fine, now contact the others =3D) > --- include/sound/emu10k1.h~ 2005-10-11 12:31:42.000000000 -0400 > +++ include/sound/emu10k1.h 2005-10-24 00:14:40.000000000 -0400 > @@ -48,7 +48,7 @@ > =20 > /* FIXME? - according to the OSS driver the EMU10K1 needs a 29 bit DMA m= ask */ > #define EMU10K1_DMA_MASK 0x7fffffffUL /* 31bit */ > -#define AUDIGY_DMA_MASK 0xffffffffUL /* 32bit */ > +#define AUDIGY_DMA_MASK 0x7fffffffUL /* 32bit */ > =20 > #define TMEMSIZE 256*1024 > #define TMEMSIZEREG 4 --=20 Ian Kumlien -- http://pomac.netswarm.net --=-Hc2S+c03suDxP3UTuXQi Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1-ecc0.1.6 (GNU/Linux) iD8DBQBDXKLD7F3Euyc51N8RAoUiAJwMbEC13cd+FfcN+j27Q0QC9TIfYgCfTVvt yFlHj4cB4My8vs93UqzoCxY= =psVG -----END PGP SIGNATURE----- --=-Hc2S+c03suDxP3UTuXQi-- ------------------------------------------------------- This SF.Net email is sponsored by the JBoss Inc. Get Certified Today * Register for a JBoss Training Course Free Certification Exam for All Training Attendees Through End of 2005 Visit http://www.jboss.com/services/certification for more information