Subject: Re: Crash with 2.6.27-rc6 with iwlwifi
From: Johannes Berg <johannes@sipsolutions.net>
To: Marcel Holtmann <holtmann@linux.intel.com>
Cc: Zhu Yi <yi.zhu@intel.com>,
	linux-wireless <linux-wireless@vger.kernel.org>,
	Tomas Winkler <tomasw@gmail.com>
In-Reply-To: <1223296359.15196.8.camel@johannes.berg> (sfid-20081006_143329_031518_3AA03EA8)
References: <E3A88D93-F0D2-476E-B162-08687FC602E3@linux.intel.com>
	 <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="=-Wb0yGArfRonz/43Ol7Qg"
Date: Mon, 06 Oct 2008 14:36:29 +0200
Message-Id: <1223296589.15196.10.camel@johannes.berg> (sfid-20081006_143706_741422_4A3FA860)
Mime-Version: 1.0
Sender: linux-wireless-owner@vger.kernel.org


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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
> [  325.379309] 	entry     =3D 0x848c0
> [  325.379315] 	dma_addr  =3D 0x848c0100
> [  325.379321] 	Table     =3D 0xc00000000083f348
> [  325.379328] 	bus#      =3D 0x0
> [  325.379333] 	size      =3D 0x80000
> [  325.379339] 	startOff  =3D 0x0
> [  325.379345] 	index     =3D 0x0

and that keeps happening while I use wireless.

johannes

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