Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751329AbVJKKkN (ORCPT ); Tue, 11 Oct 2005 06:40:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751339AbVJKKkN (ORCPT ); Tue, 11 Oct 2005 06:40:13 -0400 Received: from gate.crashing.org ([63.228.1.57]:46984 "EHLO gate.crashing.org") by vger.kernel.org with ESMTP id S1751329AbVJKKkM (ORCPT ); Tue, 11 Oct 2005 06:40:12 -0400 Subject: Re: ide_wait_not_busy oops still with 2.6.14-rc3 (Re: 1GHz pbook 15", linux 2.6.14-rc2 oops on resume) From: Benjamin Herrenschmidt To: Soeren Sonnenburg Cc: linux-kernel@vger.kernel.org In-Reply-To: <1129026807.21318.15.camel@localhost> References: <1128323544.4602.5.camel@localhost> <1128720351.17365.48.camel@gaston> <1128948118.23434.13.camel@localhost> <1128982002.17365.163.camel@gaston> <1129026807.21318.15.camel@localhost> Content-Type: text/plain Date: Tue, 11 Oct 2005 20:36:26 +1000 Message-Id: <1129026986.17365.206.camel@gaston> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1309 Lines: 30 On Tue, 2005-10-11 at 12:33 +0200, Soeren Sonnenburg wrote: > On Tue, 2005-10-11 at 08:06 +1000, Benjamin Herrenschmidt wrote: > > > ok, here is the complete one: > > > > > > BUG: soft lockup detected on CPU#0! > > > > Gack, the soft lockup thing. Can you disable that ? If you do so, does > > it crashes instead of oopsing or just "pauses" for a little while on > > wakeup ? The problem is that ide_do_request does a synchronous wait for > > the drive to get out of busy state which can take a while with some > > optical drives on wakeup. It might be possible to allow scheduling > > there, I have to look at it. In the meantime, disable the lockup > > detector (CONFIG_DETECT_SOFTLOCKUP) and tell me if that's enough. > > Hmmhh, I already compiled 2.6.14-rc4 but did not disable > soft-lockup-ing, should I still do it - the oops looks better as it is > not followed by a ATAPI reset anymore: It's still pretty annoying. I'll see what I can do but it won't be for 2.6.14 timeframe, so in the meantime, just ignore it or remove soft lockup detection. Ben. - 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/