From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Zidlicky Subject: Re: 2.6.32 regression, hard lock Date: Tue, 8 Dec 2009 10:59:39 +0100 Message-ID: <20091208095939.GA2299@linux-m68k.org> References: <20091206141419.GA6195@linux-m68k.org> <20091207143057.53c6a362.akpm@linux-foundation.org> <20091208002353.GA30011@linux-m68k.org> <20091207164826.eb2bbc48.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Takashi Iwai To: Andrew Morton Return-path: Received: from mail-fx0-f213.google.com ([209.85.220.213]:40243 "EHLO mail-fx0-f213.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752934AbZLHKHD (ORCPT ); Tue, 8 Dec 2009 05:07:03 -0500 Content-Disposition: inline In-Reply-To: <20091207164826.eb2bbc48.akpm@linux-foundation.org> Sender: netdev-owner@vger.kernel.org List-ID: > > I did revert to 2.31.5 and to my big surprise found a similar thing happened > > so it is not a regression, at least not from 2.6.31. I will compare the messages in the 2 kernel versions. In 2.6.31 the symptoms were slightly different, the ppp connection worked long after first processes became unresponsive. "gnome-do" was apparently the first process to hang on the spinlock and tcptrack was running again. Richard