Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755255AbZGHLmR (ORCPT ); Wed, 8 Jul 2009 07:42:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754096AbZGHLmC (ORCPT ); Wed, 8 Jul 2009 07:42:02 -0400 Received: from zelda.netsplit.com ([87.194.19.211]:55912 "EHLO zelda.netsplit.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753701AbZGHLmB (ORCPT ); Wed, 8 Jul 2009 07:42:01 -0400 Subject: Re: can we move USB_DEVICEFS to non-embedded? From: Scott James Remnant To: Dave Airlie Cc: Kay Sievers , Greg KH , Jeff Chua , Linux Kernel , Linus Torvalds , Dave Jones , Peter Jones In-Reply-To: <21d7e9970907080420h41375e36q1efacb9f3555b9de@mail.gmail.com> References: <20090623144221.GA29593@suse.de> <20090623153928.GA32604@suse.de> <21d7e9970907080354h6949b27va40fb830f612287@mail.gmail.com> <21d7e9970907080420h41375e36q1efacb9f3555b9de@mail.gmail.com> Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-3ZGNBgZcbkPoQv+KtLSo" Date: Wed, 08 Jul 2009 12:42:24 +0100 Message-Id: <1247053344.12859.29.camel@quest> Mime-Version: 1.0 X-Mailer: Evolution 2.26.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1696 Lines: 52 --=-3ZGNBgZcbkPoQv+KtLSo Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Wed, 2009-07-08 at 21:20 +1000, Dave Airlie wrote: > On Wed, Jul 8, 2009 at 9:03 PM, Kay Sievers wrote: > > On Wed, Jul 8, 2009 at 12:54, Dave Airlie wrote: > > > >> Okay can we revert this for a better reason? it seems to have unhidden= a race > >> condition on booting some of my machines. I've booted some other machi= nes > >> with the same USB disk and the same kernel fine. > > > > Are you sure? USBFS is for userspace USB drivers, booting from > > usb-storage devices should be fully handled by the kernel. > > >=20 > Yes, changing just this option means the difference between a bootable > and stuck in initrd system. maybe Peter knows if our initrd does somethin= g > otherwise I suspect we have a race that usbfs was hiding. >=20 I assume you're not using libusual or anything like that? We had a race caused by libusual calling modprobe before we'd generated modules.dep Scott --=20 Scott James Remnant scott@ubuntu.com --=-3ZGNBgZcbkPoQv+KtLSo Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEABECAAYFAkpUhh8ACgkQSnQiFMl4yK65dwCgi3zrJuE/QISisTw2JSEOp/Pq f+wAn39A+hssib6AYn25fkz7jesmUrpO =z+P6 -----END PGP SIGNATURE----- --=-3ZGNBgZcbkPoQv+KtLSo-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/