Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757143AbXKNKgU (ORCPT ); Wed, 14 Nov 2007 05:36:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752165AbXKNKgM (ORCPT ); Wed, 14 Nov 2007 05:36:12 -0500 Received: from fxip-0047f.externet.hu ([88.209.222.127]:48838 "EHLO dorka.pomaz.szeredi.hu" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751697AbXKNKgM (ORCPT ); Wed, 14 Nov 2007 05:36:12 -0500 To: jdike@addtoit.com CC: user-mode-linux-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, tglx@linutronix.de, mingo@elte.hu In-reply-to: <20071114011002.GA11477@c2.user-mode-linux.org> (message from Jeff Dike on Tue, 13 Nov 2007 20:10:02 -0500) Subject: Re: uml doesn't work on 2.6.24-rc2 References: <20071114011002.GA11477@c2.user-mode-linux.org> Message-Id: From: Miklos Szeredi Date: Wed, 14 Nov 2007 11:35:56 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1028 Lines: 26 > On Wed, Nov 14, 2007 at 12:32:43AM +0100, Miklos Szeredi wrote: > > UML doesn't run on 2.6.24-rc2 as host (config attached). Guest is > > 2.6.23-mm1, but I guess it's irrelevant. 2.6.23 as host was OK. > > > > When booting there are zillions of lines like this: > > > > "arch_switch_tls failed, errno = EINVAL" > > This is PTRACE_ARCH_PRCTL failing and the only EINVAL I see is > do_arch_prctl getting a bogus operation - something other than > ARCH_[GS]ET_[FG]S, which is strange because UML never would have > worked if it were passing in bogus arguments. Note, this is 32bit UML on 64bit host, to complicate matters. So I think it's not PTRACE_ARCH_PRCTL, but PTRACE_SET_THREAD_AREA. Maybe this is a fallout from the x86 architecture merge? Tglx and mingo cc-d. Miklos - 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/