From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751223AbVH3IHO (ORCPT ); Tue, 30 Aug 2005 04:07:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751228AbVH3IHO (ORCPT ); Tue, 30 Aug 2005 04:07:14 -0400 Received: from mail.sf-mail.de ([62.27.20.61]:54951 "EHLO mail.sf-mail.de") by vger.kernel.org with ESMTP id S1751223AbVH3IHN (ORCPT ); Tue, 30 Aug 2005 04:07:13 -0400 From: Rolf Eike Beer To: Linus Torvalds Subject: Re: rc5 seemed to kill a disk that rc4-mm1 likes. Also some X trouble. Date: Tue, 30 Aug 2005 10:07:04 +0200 User-Agent: KMail/1.8.2 Cc: Linux Kernel Mailing List , Helge Hafting , Dave Airlie , Benjamin Herrenschmidt , Michael Ellerman , Greg Kroah-Hartman , Andrew Morton References: <200508221001.39050@bilbo.math.uni-mannheim.de> In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart4662069.emLtYpbt7b"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200508301007.11554@bilbo.math.uni-mannheim.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --nextPart4662069.emLtYpbt7b Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Linus Torvalds wrote: >On Mon, 22 Aug 2005, Rolf Eike Beer wrote: >> >It's a PII-350 with more or less SuSE 9.3. The machine has no net acces= s, >> > so I can only try to narrow it down to one rc at the weekend. >> >> 2.6.12 works fine, everything since 2.6.13-rc1 breaks it. > >Gaah. I don't see anything really obvious in that range. However, I notice >that pci_mmap_resource() (in drivers/pci/pci-sysfs.c) now has > >+ if (i >=3D PCI_ROM_RESOURCE) >+ return -ENODEV; > >which seems a big bogus. Why wouldn't we allow the ROM resource to be >mapped? I could imagine that the X server would very much like to mmap it, >although I don't know if modern X actually does that. The fact that it >works when root runs the X server and causes problems for normal users >does seem like there's something that root can do that users can't do, and >doing a mmap() on /dev/mem might be just that. > >Eike, maybe you could change the ">=3D" to just ">" instead? > >PS. The patch that introduced this was billed as "no change for anything >but ppc". Tssk. This does not fix the problem. I'll narrow it down to one git snapshot next= =20 weekend (forgot the tarball on friday). Eike --nextPart4662069.emLtYpbt7b Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) iD8DBQBDFBOvXKSJPmm5/E4RAoibAKCjpUd+EUAwH6/rI3bX5KWaAG0SXgCfZSv3 GQMdy54py+Z5lfIEmkjDAjU= =PxIH -----END PGP SIGNATURE----- --nextPart4662069.emLtYpbt7b--