Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423289AbXBHVC4 (ORCPT ); Thu, 8 Feb 2007 16:02:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1423322AbXBHVCz (ORCPT ); Thu, 8 Feb 2007 16:02:55 -0500 Received: from ug-out-1314.google.com ([66.249.92.175]:13774 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1423289AbXBHVCz (ORCPT ); Thu, 8 Feb 2007 16:02:55 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=EmUqPwwzA7AZTuZn/b8Ef/6elRetC9EXA5yzpEqoCK899Wq2B8gpCvjz+4fsUoOhkFRC1FK/PCJaTReIjRl2KwVxEnhgEy4QyP+AAnjNNIK0P8fIbxqInOLHzmQwRHuUJK7x93aiw1zI/r3daH0GqHk3557ox6NqtJuXb+6vQrI= Message-ID: <84144f020702081302x351a9937ofc6e722b5c5cada3@mail.gmail.com> Date: Thu, 8 Feb 2007 23:02:11 +0200 From: "Pekka Enberg" To: "Jeff Dike" Subject: Re: [uml-devel] UML hang with 100% CPU Cc: "Miklos Szeredi" , linux-kernel@vger.kernel.org, user-mode-linux-devel@lists.sourceforge.net In-Reply-To: <20070208195711.GA6607@ccure.user-mode-linux.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20070208195711.GA6607@ccure.user-mode-linux.org> X-Google-Sender-Auth: 19c30dbbc19ec9f4 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 959 Lines: 23 Hi, On Thu, Feb 08, 2007 at 07:46:47PM +0100, Miklos Szeredi wrote: > > It boots fine, then usually just after logging in and before starting > > the shell (but sometimes after the shell started) it gets into some > > loop. Looking at the strace shows that two processes are > > sending/receiving single '\0' bytes on some sockets endlessly. > > > > Does this ring a bell? On 2/8/07, Jeff Dike wrote: > No, it doesn't. This is a strace on the host, I take it? > > Can you get backtraces from the processes? Just a datapoint: I had a similar problem with UML hanging on 2.6.20-rc something _host_ kernel whereas 2.6.19 worked fine. That was with Gentoo userspace which I don't have anymore. - 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/