From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aaron Lu Subject: Re: ata_dev_acpi_handle - NULL ptr deref (bug #48211) Date: Mon, 08 Oct 2012 11:13:48 +0800 Message-ID: <507244EC.4000206@intel.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mga09.intel.com ([134.134.136.24]:50427 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751211Ab2JHDNw (ORCPT ); Sun, 7 Oct 2012 23:13:52 -0400 In-Reply-To: Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Dan van der Ster Cc: linux-ide@vger.kernel.org, mjg@redhat.com, Jeff Garzik On 10/03/2012 07:30 PM, Dan van der Ster wrote: > Hi, > I filed this bug report: > https://bugzilla.kernel.org/show_bug.cgi?id=48211 > and Alan suggested I mail this list. > > I cannot boot 3.6 with acpi on using this hardware: > Shuttle sp35p2, Intel P35, AHCI SATA > disks attached via an external SATA port multiplier > > I get a NULL ptr deref in ata_dev_acpi_handle with 3.6, but not with 3.5.4. > Using acpi=off convinces 3.6 to boot. Attached a patch on the bugzilla page, can you please give it a try? Thanks. -Aaron > > I'm new to kernel debugging and don't have a serial console, but I did > manage to slow the printk's and take a video. See around 2:00 here: > http://www.youtube.com/watch?v=WNkQCnfc56g&t=2m1s > > Please let me know if you require any further info to debug this. > > Best Regards, Dan > -- > To unsubscribe from this list: send the line "unsubscribe linux-ide" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >