From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757621AbYEGD1g (ORCPT ); Tue, 6 May 2008 23:27:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754370AbYEGD10 (ORCPT ); Tue, 6 May 2008 23:27:26 -0400 Received: from [198.99.130.12] ([198.99.130.12]:44552 "EHLO saraswathi.solana.com" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752172AbYEGD1Z (ORCPT ); Tue, 6 May 2008 23:27:25 -0400 Date: Tue, 6 May 2008 23:26:11 -0400 From: Jeff Dike To: Ulrich Drepper Cc: Linus Torvalds , akpm@linux-foundation.org, mingo@elte.hu, tglx@linutronix.de, linux-kernel@vger.kernel.org, user-mode-linux-devel@lists.sourceforge.net Subject: Re: [uml-devel] [PATCH] fix UML on x86-64 Message-ID: <20080507032611.GA15155@c2.user-mode-linux.org> References: <200805062304.m46N4h6d007206@devserv.devel.redhat.com> <4820EC0E.1030603@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4820EC0E.1030603@redhat.com> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 06, 2008 at 04:38:54PM -0700, Ulrich Drepper wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Linus Torvalds wrote: > > It breaks things how? > > A crash on startup: It seems that initcalls from the libc side of the house aren't being called because they're not in the initcall section. The one that matters here is init_syscall_regs in arch/um/os-Linux/skas/mem.c. If you run with initcall_debug, you'll notice its absence. As to why, and why it depends on -fno-unit-at-a-time, I have no idea. Jeff -- Work email - jdike at linux dot intel dot com