From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755353AbYAHTog (ORCPT ); Tue, 8 Jan 2008 14:44:36 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750962AbYAHTo3 (ORCPT ); Tue, 8 Jan 2008 14:44:29 -0500 Received: from gateway.drzeus.cx ([85.8.24.16]:44327 "EHLO smtp.drzeus.cx" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750707AbYAHTo2 (ORCPT ); Tue, 8 Jan 2008 14:44:28 -0500 Date: Tue, 8 Jan 2008 20:44:24 +0100 From: Pierre Ossman To: "raki john" Cc: linux-kernel@vger.kernel.org Subject: Re: Crash in Kernel 2.6.22.1 after calling mmc_register_card Message-ID: <20080108204424.19f4f414@poseidon.drzeus.cx> In-Reply-To: References: X-Mailer: Claws Mail 3.2.0 (GTK+ 2.12.3; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; protocol="application/pgp-signature"; micalg=PGP-SHA1; boundary="=_hera.drzeus.cx-1359-1199821466-0001-2" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a MIME-formatted message. If you see this text it means that your E-mail software does not support MIME-formatted messages. --=_hera.drzeus.cx-1359-1199821466-0001-2 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Mon, 7 Jan 2008 15:31:32 -0800 "raki john" wrote: > Hi All, >=20 > Please CC me on responses. >=20 > I am working on a SD/MMC Host driver . >=20 > I am getting kerenl oops after mmc_register_card () is called. > i working on LINUX 2.6.22.1 kerenl. >=20 > What might be the reason for this. >=20 That's a rather central place for it to crash, so I'm doubtful it's a bug t= here. I'd guess some kind of memory corruption (an all to easy mistake to m= ake when writing a new driver). Are you using DMA for the controller? If so= , try using PIO and see if it stops oopsing. Rgds Pierre --=_hera.drzeus.cx-1359-1199821466-0001-2 Content-Type: application/pgp-signature; name="signature.asc" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.8 (GNU/Linux) iEYEARECAAYFAkeD0pgACgkQ7b8eESbyJLjGEwCg+numWOBJokAyOyy0Bv97e03D SLsAoO/XJN9iHfAW/DZ1dujPUe9eoGd4 =rdbz -----END PGP SIGNATURE----- --=_hera.drzeus.cx-1359-1199821466-0001-2--