Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758069Ab0FCIRr (ORCPT ); Thu, 3 Jun 2010 04:17:47 -0400 Received: from mail-fx0-f46.google.com ([209.85.161.46]:48483 "EHLO mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752988Ab0FCIRo (ORCPT ); Thu, 3 Jun 2010 04:17:44 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:x-enigmail-version:content-type :content-transfer-encoding; b=FLQoNOfFI8UpCKnARrTiwg95UgvqCYrxS311GJ089M4zKlVsNiWN9DTzbQmE4V+9in 7PEAJfmezCNiFhBlll5oxk6ZdTPf7YF/KKtvRobCosEZboon3RGrwvnUe3ML7pgpMjp4 GTHM6g0HokrCv8dD9vcsAOX5le6Hm0GtJwYcI= Message-ID: <4C076521.8050108@gmail.com> Date: Thu, 03 Jun 2010 10:17:37 +0200 From: Tejun Heo User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.9.1.9) Gecko/20100317 Thunderbird/3.0.4 MIME-Version: 1.0 To: Frederic Weisbecker CC: Don Zickus , Jeff Garzik , Jiri Slaby , LKML , Linux-pm mailing list , linux-ide@vger.kernel.org Subject: Re: hibernation hangs with ATA errors (lockup_detector bug) References: <4C03C608.1040600@gmail.com> <20100601135004.GP15159@redhat.com> <4C051D44.7040203@gmail.com> <20100602184459.GA15159@redhat.com> <20100602191336.GA5164@nowhere> <20100602194336.GB5164@nowhere> In-Reply-To: <20100602194336.GB5164@nowhere> X-Enigmail-Version: 1.0.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 698 Lines: 22 Hello, On 06/02/2010 09:43 PM, Frederic Weisbecker wrote: > But I'm eventually surprised about this: stopping the cpu hotplug callbacks > prevents some ATA resume callbacks to execute. > > Does that mean some ata resume path are done from a cpu hotplug notifier? > That looks weird. libata itself doesn't use any cpu hotplug notifier. It just uses suspend and resume callbacks. It looks like somehow IRQ delivery is screwed up? Thanks. -- tejun -- 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/