Return-path: Received: from xc.sipsolutions.net ([83.246.72.84]:45960 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753056AbYJFNIG (ORCPT ); Mon, 6 Oct 2008 09:08:06 -0400 Subject: Re: Crash with 2.6.27-rc6 with iwlwifi From: Johannes Berg To: Marcel Holtmann Cc: Zhu Yi , linux-wireless , Tomas Winkler In-Reply-To: <1223296359.15196.8.camel@johannes.berg> (sfid-20081006_143329_031518_3AA03EA8) References: <1221123779.2513.88.camel@debian.sh.intel.com> <1221184060.11498.3.camel@californication> <1221185432.6695.0.camel@californication> (sfid-20080912_041007_653566_F8146EC3) <1223296221.15196.6.camel@johannes.berg> (sfid-20081006_143057_986057_BC4A63C0) <1223296359.15196.8.camel@johannes.berg> (sfid-20081006_143329_031518_3AA03EA8) Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-utES3URrO9auzgQf+tPQ" Date: Mon, 06 Oct 2008 15:07:35 +0200 Message-Id: <1223298455.15196.18.camel@johannes.berg> (sfid-20081006_150810_157765_23C3C8AA) Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: --=-utES3URrO9auzgQf+tPQ Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Mon, 2008-10-06 at 14:32 +0200, Johannes Berg wrote: > On Mon, 2008-10-06 at 14:30 +0200, Johannes Berg wrote: > > On Fri, 2008-09-12 at 04:10 +0200, Marcel Holtmann wrote: > >=20 > > > I take this back. It took a couple of hours, but it crashed again. > >=20 > > Do you have 64k pages enabled? My issue goes away entirely when I > > disable 64k pages. >=20 > Well, clearly not entirely. But it's holding up much better now. >=20 > [ 325.379292] iommu_free: invalid entry I added two printks to make it easier to look at: [ 736.879335] iommu_free: invalid entry [ 736.890905] free_entry=3D 0xd6ec0 [ 736.902494] npages =3D 0x1 [ 736.913864] entry =3D 0xd6ec0 [ 736.925100] dma_addr =3D 0xd6ec0100 [ 736.936116] Table =3D 0xc00000000083f348 [ 736.947078] bus# =3D 0x0 [ 736.957934] size =3D 0x80000 [ 736.968775] startOff =3D 0x0 [ 736.979574] index =3D 0x0 johannes --=-utES3URrO9auzgQf+tPQ Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Comment: Johannes Berg (powerbook) iQIcBAABAgAGBQJI6g2TAAoJEKVg1VMiehFYtyIP/iKq6BXGuOYUtZMXPo27pEQy y/w0hqDoZzR0g4uPDtLMrcCvgcGYu1MZcDJZRUVjo1l5IGKgGhSSCJ7qaDfBGoqO KQYlpxVDahSDb2o8YipPm3S8VysRZqXl9yCtnUZNA+FzvsPTavJ+XmADcEzvlszS 1sswW6m5qjtStuPLGrsQ5hJyrSL8UCEIznMJyhYKyebfMpj04HEiMKI17IKOCXn3 NSUetANjDsVWhjtBW9PLs+NRCvy2LnGXP4c15TPDajWKZmzSvFe6kQcJ772rPdTC 2NKN1zM2za8LYD3e8DeT+YckwQLASnH4pDpgKOX/s8fFiQGON4xBSa89ESE3TiJ/ NkSarQCQJUXLxGI2nANEqB9jHxEGiFTlf0orLt3kvv1m/rCNCF2Z0y9t7kdLKU0W C0zFgfYmgt8bKzXwmHg5Rw0t3k2fmoRMOaazApM4BSpJ5PZp9k12lGybVvS86fkZ 7UdjfxHBXMACFSh4X+Vdn7uQih0VO57w4mWAKatN9dLH2I38d7mKp9sSxTpJd+Kd 7lN0YlkrUisTwutSPjcly17iPizbGKWSfmhQqrGcUOpZ6ZqLLqQDiYU7MN9Muj6O N/pm9e7Jq8D1h6F1IuOcWX69T5bGxedw1FxE6ZEQ3O6CJRxPVKGXmGPIETJ6uFhd dgr6PgcGdf+0cpbdRomn =FcLj -----END PGP SIGNATURE----- --=-utES3URrO9auzgQf+tPQ--