From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754538AbYHBWYU (ORCPT ); Sat, 2 Aug 2008 18:24:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752476AbYHBWYG (ORCPT ); Sat, 2 Aug 2008 18:24:06 -0400 Received: from nf-out-0910.google.com ([64.233.182.191]:10723 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752249AbYHBWYE (ORCPT ); Sat, 2 Aug 2008 18:24:04 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=MTOl1wQq8XeTs1TM+paT2CElE80xxRr696OfoFTqB8M9RUXpOe4wK8+YA7Dpnlymev Pcq/hptUETRViMQALmn7XgJtY//dpNbFK/7gYU2pjhnG6UqeKw7oHkvsFqEnmXA2qglb IyfeP7AAr9OnYJxlQtx/JpQBQ89KYGPLmKxok= Message-ID: <520f0cf10808021524j37497b0bpaf8188f77154f6d3@mail.gmail.com> Date: Sun, 3 Aug 2008 00:24:02 +0200 From: "John Kacur" To: "Steven Rostedt" Subject: Re: Can't boot 2.6.26-rt1 Cc: linux-rt-users@vger.kernel.org, LKML , "Ingo Molnar" , "Thomas Gleixner" , justinmattock@gmail.com In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <520f0cf10808021416n286855f9s126d416230aee249@mail.gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Aug 2, 2008 at 11:31 PM, Steven Rostedt wrote: > > On Sat, 2 Aug 2008, John Kacur wrote: > >> VFS: Cannot open root device > > Do you use an initrd boot disk? If so make sure the initrd is correct. > Sometimes it is best to first get a 2.6.26 kernel booting without initrd > and then use that same config on the -rt kernel. > > -- Steve Thanks Justin and Steve for the hints - it turned out to be simple, somehow the make install scripts were mangling the location of the initrd, a quick edit to grub and everything is working again. John > >> "disk/by-id/scsi-SATA_WDC_WD1600BEVS-WD-WXEZ07100576-part 7" or >> unknown block(0,0) >> Please append a correct "root = " boot option; here are the available >> partitions. >> Pid:1,comm:swapper Not tainted >> 2.6.26-rt1-default#1linux-rt-users@vger.kernel.org >> [< ffff ffff 8046 c149 >] rt_mutex_lock+0x22/0x50 >> [< ffff ffff 8046 cae6 >] _mutex_unlock+0xe/0x10 >> [< ffff ffff 8020 cb00 >] exit_intr+0x10/0x1e >> [< ffff ffff 8028 633d >] trace_hardirqs_on_caller+0x1e/0x133 >> [< ffff ffff 8020 d608 >] child_rip+0xa/0x12 >> [< ffff ffff 8020 cb69 >] restore_args+0x0/0x30 >> [< ffff ffff 8020 d5fe >] child_rip+0x0/0x12 >> >> preempt count 00000001 >> 1-level deep critical section nesting >> [< ffff ffff 8047 43e2 >] .... panic +0x43/0x167 >> [< ffff ffff 8073 6338 >] (<= mount_block_root+0x258/0x26f >> > >