Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761470AbYBMUSc (ORCPT ); Wed, 13 Feb 2008 15:18:32 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754816AbYBMUSY (ORCPT ); Wed, 13 Feb 2008 15:18:24 -0500 Received: from wx-out-0506.google.com ([66.249.82.227]:7814 "EHLO wx-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754382AbYBMUSX (ORCPT ); Wed, 13 Feb 2008 15:18:23 -0500 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=FhdKJcSefUEPmuO01RN1NNLvoVV3Aja/beeuWdH8aYKDs09uxvJs0J0nEyyqR/V6le07i58gJXHq/eesrbfzxTSkbcqH1C/UqkR24pdmFYNGs7W79FntIx7ZBjWl9hvKqb9YxxPIN65K9qQTLjM/fgc8Y9+Vl35/6moR0skIF9U= Message-ID: Date: Wed, 13 Feb 2008 21:18:21 +0100 From: "Zdenek Kabelac" To: "Jiri Kosina" Subject: Re: print_vma_addr possible deadlock (was Re: Jeste jeden bug) Cc: "Ingo Molnar" , "Andi Kleen" , "Thomas Gleixner" , linux-kernel@vger.kernel.org In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20080213193538.GA16402@elte.hu> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 950 Lines: 29 2008/2/13, Jiri Kosina : > On Wed, 13 Feb 2008, Ingo Molnar wrote: > > > The longer-term fix will be to not run int3 exception handlers in a > > non-preemptible context (like 32-bit does) - but that will need more > > testing. > > Yup, exactly. > > > Jiri Kosina reported the following deadlock scenario with > > show_unhandled_signals enabled: > > Actually the kernel error message was reported to me by Zdenek. Zdenek, > could you please try the fix? Ok - great I do not get this BUG log So this has fixed 2 problems a 3 other remains :) I'll open them tomorrow I guess :) at my two were fixed pretty quickly. PS: Ingo did you have a chance to check my kernel IPI problem ? Zdenek -- 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/