Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750867AbXBSKaP (ORCPT ); Mon, 19 Feb 2007 05:30:15 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750868AbXBSKaP (ORCPT ); Mon, 19 Feb 2007 05:30:15 -0500 Received: from smtp.osdl.org ([65.172.181.24]:49512 "EHLO smtp.osdl.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750863AbXBSKaM (ORCPT ); Mon, 19 Feb 2007 05:30:12 -0500 Date: Mon, 19 Feb 2007 02:29:55 -0800 From: Andrew Morton To: Rolf Eike Beer Cc: linux-kernel@vger.kernel.org, dm-devel@redhat.com Subject: Re: [BUG?] register_blkdev: failed to get major for device mapper Message-Id: <20070219022955.f734006a.akpm@linux-foundation.org> In-Reply-To: <200702191101.09192.eike-kernel@sf-tec.de> References: <200702161437.34063.eike-kernel@sf-tec.de> <20070216160920.27c1167a.akpm@linux-foundation.org> <200702191101.09192.eike-kernel@sf-tec.de> X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.17; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1709 Lines: 57 On Mon, 19 Feb 2007 11:01:02 +0100 Rolf Eike Beer wrote: > Andrew Morton wrote: > > On Fri, 16 Feb 2007 14:37:28 +0100 > > Rolf Eike Beer wrote: > > > > I can't bring up my machine with root LVM anymore using x86_64. The same > > > machine from same kernel tree boots fine as x86. The error message is > > > quoted in subject. The tree is at > > > 86a71dbd3e81e8870d0f0e56b87875f57e58222b (for those not using git: > > > somewhere after 2.6.20). > > > > Does this fix it? I don't see why it would, but this was recently added. > > Yes. But now usb complains "unable to get a dynamic major for usb endpoints". > Nevertheless the USB mouse works. > That's just nutty. Can you add this, see what it says just prior to that "unable to get a dynamic major for usb endpoints"? --- a/fs/char_dev.c~a +++ a/fs/char_dev.c @@ -108,15 +108,21 @@ __register_chrdev_region(unsigned int ma /* temporary */ if (major == 0) { for (i = ARRAY_SIZE(chrdevs)-1; i > 0; i--) { + printk("%s: i = %d: ", __FUNCTION__, i); /* * Disallow the LANANA-assigned LOCAL/EXPERIMENTAL * majors */ if ((60 <= i && i <= 63) || (120 <= i && i <= 127) || - (240 <= i && i <= 254)) + (240 <= i && i <= 254)) { + printk("skipped\n"); continue; - if (chrdevs[i] == NULL) + } + if (chrdevs[i] == NULL) { + printk("free\n"); break; + } + printk("used\n"); } if (i == 0) { _ - 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/