Date: Fri, 11 Aug 2006 05:09:19 +0800 From: Ariff Abdullah <ariff@FreeBSD.org> To: TAMURA Kent <kent@NetBSD.org> Cc: freebsd-multimedia@FreeBSD.org Subject: Re: snd_ich dies Message-ID: <20060811050919.1d8bb187.ariff@FreeBSD.org> In-Reply-To: <20060810065109.78A5D15EB090@gabi-n.hauN.org> References: <20060810035426.GA28177@Update.UU.SE> <20060810065109.78A5D15EB090@gabi-n.hauN.org>
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--Signature=_Fri__11_Aug_2006_05_09_19_+0800_vKo8PPbdmwStSuTf Content-Type: text/plain; charset=US-ASCII Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, 10 Aug 2006 15:51:09 +0900 (JST) TAMURA Kent <kent@NetBSD.org> wrote: >=20 > > My audio dies, espcially when my system is under heavy load. > > Otherwise I can maybe play music for an half hour, (with choppy > > sound). >=20 > > vendor =3D 'Intel Corporation' > > device =3D '82440MX AC'97 Audio Controller' >=20 > 440MX has a hardware erratum and an audio driver should have > special handling to avoid it. The drivers of NetBSD and ALSA > does it, and FreeBSD's does not for now. >=20 > ALSA: > http://hg-mirror.alsa-project.org/alsa-kernel?cmd=3Dchangeset;node=3De0d1= f8060d20;style=3Dgitweb >=20 > NetBSD: > http://www.netbsd.org/cgi-bin/query-pr-single.pl?number=3D19919 > http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/dev/pci/auich.c.diff?r1=3D1.3= 3&r2=3D1.34 >=20 >=20 Looks trivial enough, though both BUS_DMA_NOCACHE/COHERENT almost a noop for most FreeBSD archs. I'll revisit this sooner using other non-cacheable method. Thanks. -- Ariff Abdullah FreeBSD --Signature=_Fri__11_Aug_2006_05_09_19_+0800_vKo8PPbdmwStSuTf Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQFE26CFlr+deMUwTNoRAn5IAJ4rJzIJb7nAttAFY2CZcRMH5Mt9bwCeMb3/ zWzNwLfRPgf+Es3Wrji3vHI= =dDDm -----END PGP SIGNATURE----- --Signature=_Fri__11_Aug_2006_05_09_19_+0800_vKo8PPbdmwStSuTf--
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