From mboxrd@z Thu Jan 1 00:00:00 1970 From: Baoquan He Subject: Re: [PATCH 0/5] iommu/vt-d: Fix crash dump failure caused by legacy DMA/IO Date: Mon, 15 Dec 2014 17:13:23 +0800 Message-ID: <20141215091323.GA12150@dhcp-16-116.nay.redhat.com> References: <545AD061.4000102@hp.com> <545AD353.8060207@jp.fujitsu.com> <545AD8D3.90709@hp.com> <545B2885.8070009@jp.fujitsu.com> <545B2C07.1070701@hp.com> <5465A0E0.4020001@hp.com> <20141117133858.GA31920@8bytes.org> <20141210084652.GA25091@dhcp-16-105.nay.redhat.com> <548A521B.5020705@hp.com> <20141212161102.GC24292@8bytes.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20141212161102.GC24292-zLv9SwRftAIdnm+yROfE0A@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Joerg Roedel Cc: tom.vaden-VXdhtT5mjnY@public.gmane.org, linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, kexec-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, lisa.mitchell-VXdhtT5mjnY@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, "Li, ZhenHua" , doug.hatch-VXdhtT5mjnY@public.gmane.org, ishii.hironobu-+CUm20s59erQFUHtdCDX3A@public.gmane.org, bhelgaas-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, li.zhang6-VXdhtT5mjnY@public.gmane.org, dyoung-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org, vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org List-Id: iommu@lists.linux-foundation.org On 12/12/14 at 05:11pm, Joerg Roedel wrote: > On Fri, Dec 12, 2014 at 10:25:31AM +0800, Li, ZhenHua wrote: > > Sorry I have no plan yet. > > Could you send me your logs on your AMD system? > > > On 12/10/2014 04:46 PM, Baoquan He wrote: > > >This issue happens on AMD iommu too, do you have any plans or > > >thoughts on that? > > I think the best approach for now is to get a prove-of-concept on the > VT-d driver. If it works there the way we expect, we can implement the > same handling in the AMD driver. But I see no reason to hold back the > VT-d patches until it is also fixed for AMD systems. Yes, I agree with you. Just raise this issue to upstream. Thanks, Joerg.