Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S968262AbXJSWDY (ORCPT ); Fri, 19 Oct 2007 18:03:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S968173AbXJSWDK (ORCPT ); Fri, 19 Oct 2007 18:03:10 -0400 Received: from srv5.dvmed.net ([207.36.208.214]:42240 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S968077AbXJSWDJ (ORCPT ); Fri, 19 Oct 2007 18:03:09 -0400 Message-ID: <47192999.6010607@garzik.org> Date: Fri, 19 Oct 2007 18:03:05 -0400 From: Jeff Garzik User-Agent: Thunderbird 2.0.0.5 (X11/20070727) MIME-Version: 1.0 To: Chuck Ebbert CC: Linux Kernel Mailing List Subject: Re: [2.6.23] tasks stuck in running state? References: <47192425.6020507@garzik.org> <47192763.9050004@redhat.com> In-Reply-To: <47192763.9050004@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -4.4 (----) X-Spam-Report: SpamAssassin version 3.1.9 on srv5.dvmed.net summary: Content analysis details: (-4.4 points, 5.0 required) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1410 Lines: 25 Chuck Ebbert wrote: > On 10/19/2007 05:39 PM, Jeff Garzik wrote: >> On my main devel box, vanilla 2.6.23 on x86-64/Fedora-7, I'm seeing a >> certain behavior at least once a day. I'll start a kernel build (make >> -sj5 on this box), and it will "hang" in the following way: >> > > Can you try to strace the hanging task? Well, to the system it's running, so that doesn't do much of anything... > > 8482 pts/0 S+ 0:00 \_ /bin/sh /garz/repo/misc-2.6/scripts/hdrcheck.sh /garz/repo/misc-2.6/usr/include /garz/repo/misc-2.6/usr/include/linux/kernelcapi.h /garz/repo/misc-2.6/usr/include/linux/.check.kernelcapi.h > 8484 pts/0 R+ 3:10 \_ grep ^[ \t]*#[ \t]*include[ \t]*< /garz/repo/misc-2.6/usr/include/linux/kernelcapi.h > 8486 pts/0 S+ 0:00 \_ cut -f2 -d< > 8487 pts/0 S+ 0:00 \_ cut -f1 -d> > 8488 pts/0 S+ 0:00 \_ egrep ^linux|^asm > [jgarzik@pretzel misc-2.6]$ strace -p8484 > Process 8484 attached - interrupt to quit [sits there, chewing up CPU grepping a 47-line header file] - 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/