Date: Mon, 3 Dec 2007 11:29:43 +0200 From: Kostik Belousov <kostikbel@gmail.com> To: Ariff Abdullah <ariff@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: snd_hda + ath = hard hang Message-ID: <20071203092943.GU83121@deviant.kiev.zoral.com.ua> In-Reply-To: <20071203012053.037a73f6.ariff@FreeBSD.org> References: <20071125201915.GC78396@deviant.kiev.zoral.com.ua> <20071203012053.037a73f6.ariff@FreeBSD.org>
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--KH9S6eoVXLBawpUJ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Dec 03, 2007 at 01:20:53AM +0800, Ariff Abdullah wrote: > On Sun, 25 Nov 2007 22:19:15 +0200 > Kostik Belousov <kostikbel@gmail.com> wrote: > > I have a laptop that shares interrupt between ath0 and snd_hda0 > > devices. Machine works under the RELENG_6 normally. Now, on the > > RELENG_7 (and CURRENT), attempt to ifconfig ath0 up usualy hangs the > > machine in the next 2-5 minutes. > >=20 > > Hang is hard, I even cannot switch the console to look at the kernel > > messages or enter the ddb. Also, laptop does not have a serial port. > >=20 > > Not setting the ath0 up, or, unloading snd_hda.ko before activating > > the interface, allows machine to work. Wireless works without > > problem, interrupt rate is as expected. > >=20 > > Any advice ? > >=20 >=20 > Try enabling msi via hint.pcm.%d.msi=3D"1" . It is disabled by default > due to too many broken msi. >=20 > There is a poor man polling mode which can be enabled through sysctl > dev.pcm.%d.polling=3D1, but I won't recommend this for typical usage > (unless to debug this kind of weird issues). >=20 > This regression probably originated from somewhere else since you said > it was working fine under RELENG_6. I filled the PR 118316, see there for some kind of workaround/solution. It seems that removing INTR_FILTER from kernel config solves it. --KH9S6eoVXLBawpUJ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (FreeBSD) iD8DBQFHU8yHC3+MBN1Mb4gRAmOTAKDobJZWdtPiARpAfcBxNAnepJBnuACgmKXL Sl8C9pAPInMEnKmkZUE1pcI= =ePO1 -----END PGP SIGNATURE----- --KH9S6eoVXLBawpUJ--
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