From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon Horman Subject: Re: Possible Regression in "MMCONFIG PCI config space access driver backported from Linux Kernel Ver. 2.6.31.5" Date: Tue, 9 Feb 2010 22:58:47 +1100 Message-ID: <20100209115847.GC17629@verge.net.au> References: <20100208223159.GA6774@verge.net.au> <20100209111650.GA7491@router-fw-old.local.net-space.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20100209111650.GA7491@router-fw-old.local.net-space.pl> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Daniel Kiper Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On Tue, Feb 09, 2010 at 12:16:50PM +0100, Daniel Kiper wrote: > Hi, > > > the changest ""MMCONFIG PCI config space access driver > > backported from Linux Kernel Ver. 2.6.31.5" (952:f1bad8203efc) > > in the linux-2.6.18-xen.hg tree appears to introduce a regression. > > > > The problem that I am seeing is that my (x86_64) HP dc7800 no longer boots, > > hanging during PCI initialisation. > > Could you run following tests: Sure, I should be able to run them tomorrow. > 1) Boot system with following kernel options: > root=/dev/mapper/sam-root_x86_64 console=ttyS0 loglevel=8 ro pci=nommconf > > 2) Enable CONFIG_ACPI_DEBUG in kernel config, recompile, install and > reboot system with following kernel options: > root=/dev/mapper/sam-root_x86_64 console=ttyS0 loglevel=8 ro \ > acpi_dbg_layer=0xffff0000 acpi_dbg_level=0xffffffff > > 3) Remove changest 952:f1bad8203efc from kernel, enable CONFIG_ACPI_DEBUG > in kernel config, recompile, install and reboot system with following > kernel options: > root=/dev/mapper/sam-root_x86_64 console=ttyS0 loglevel=8 ro \ > acpi_dbg_layer=0xffff0000 acpi_dbg_level=0xffffffff > > Send me all logs and kernel config files from all tests. > > If you have any questions please drop me a line. > > Daniel >