Hi baoquan, Could you paste the kernel log of the first kernel ? Thanks Zhenhua On 05/03/2015 04:55 PM, Baoquan He wrote: > On 04/29/15 at 07:20pm, Baoquan He wrote: >> Bad news, I rebuilt a kernel with your patchset on 4.0.0+ (this commit >> f614c81). Now dmar fault is seen again. >> >> The lspci log and kdump log are attached, please check: > > I found the lspci log previously attached is emtyp, resend it again. > >