Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758120AbZIRTfv (ORCPT ); Fri, 18 Sep 2009 15:35:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758073AbZIRTfq (ORCPT ); Fri, 18 Sep 2009 15:35:46 -0400 Received: from an-out-0708.google.com ([209.85.132.247]:3493 "EHLO an-out-0708.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757539AbZIRTfp convert rfc822-to-8bit (ORCPT ); Fri, 18 Sep 2009 15:35:45 -0400 MIME-Version: 1.0 In-Reply-To: References: <20090917125759.GA4045@kroah.com> <1253238637.4071.10.camel@yio.site> <20090918060210.GC7104@kroah.com> <20090918150541.GB9307@kroah.com> From: Kay Sievers Date: Fri, 18 Sep 2009 21:35:34 +0200 Message-ID: Subject: Re: [bug] /etc/profile: line 30: /dev/null: Permission denied (Was: Re: [PATCH] Remove broken by design and by implementation devtmpfs maintenance disaster) To: Greg KH Cc: Linus Torvalds , Ingo Molnar , "Eric W. Biederman" , linux-kernel@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1582 Lines: 39 On Fri, Sep 18, 2009 at 17:37, Kay Sievers wrote: > On Fri, Sep 18, 2009 at 17:05, Greg KH wrote: >> On Fri, Sep 18, 2009 at 07:18:54AM -0700, Linus Torvalds wrote: >>> >>> On Thu, 17 Sep 2009, Greg KH wrote: >>> > >>> > I think the udev version in older Fedora releases can't handle this >>> > kernel option, which is fine, just don't enable it.  Newer versions can >>> > handle it, right? >>> >>> .. conversely, if you can't be bothered to set up /dev/null and /dev/zero >>> correctly, I would suggest that you not set them up AT ALL in devtmpfs. >> >> Fair enough. >> >>> The thing is, 0600 for those nodes is just _wrong_. Don't do it. >> >> Ok, Kay, care to just treat these as "special"? > > Sure, the patch I sent yesterday does that. We might want to drop the > USB device node permissions (same as the proc nodes), but they are > probably not needed? > > Ingo, do you possibly have a chance to test if your setup comes up > with that? That would be great to know. With that patch, I can login as a normal user without any udev ever started, and no static content copied to /dev. System boot scripts just complained about ptx stuff because the creation of the /dev/pts directory, and the missing /dev/shm, which is both part of udev's bootstrap code here, and which I had removed. Kay -- 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/