Re: [Xen-devel] dom0 show call trace and failed to boot on HSW-EX platform

2016-02-02 Thread Daniel Kiper
On Tue, Feb 02, 2016 at 01:15:13PM +, Li, Liang Z wrote: > > >> We found dom0 will crash when booing on HSW-EX server, the dom0 > > >> kernel version is v4.4. By debugging I found the your patch ' > > >> x86/xen: discard RAM regions above the maximum reservation' , which > > the commit ID is :

Re: [Xen-devel] dom0 show call trace and failed to boot on HSW-EX platform

2016-02-02 Thread Konrad Rzeszutek Wilk
On Tue, Feb 02, 2016 at 01:34:38PM +, David Vrabel wrote: > On 02/02/16 13:15, Li, Liang Z wrote: > We found dom0 will crash when booing on HSW-EX server, the dom0 > kernel version is v4.4. By debugging I found the your patch ' > x86/xen: discard RAM regions above the maximum res

Re: [Xen-devel] dom0 show call trace and failed to boot on HSW-EX platform

2016-02-02 Thread David Vrabel
On 02/02/16 13:15, Li, Liang Z wrote: We found dom0 will crash when booing on HSW-EX server, the dom0 kernel version is v4.4. By debugging I found the your patch ' x86/xen: discard RAM regions above the maximum reservation' , which >> the commit ID is : f5775e0b6116b7e2425ccf535243b2

Re: [Xen-devel] dom0 show call trace and failed to boot on HSW-EX platform

2016-02-02 Thread Li, Liang Z
> >> We found dom0 will crash when booing on HSW-EX server, the dom0 > >> kernel version is v4.4. By debugging I found the your patch ' > >> x86/xen: discard RAM regions above the maximum reservation' , which > the commit ID is : f5775e0b6116b7e2425ccf535243b21 caused the regression. > The debug me

Re: [Xen-devel] dom0 show call trace and failed to boot on HSW-EX platform

2016-02-02 Thread Li, Liang Z
> This is a -EBUSY.  Is there anything magic about mfn 188d903?  It just looks > like plain RAM in the E820 table. > Have you got dom0 configured to use linear p2m mode?  Without it, dom0 can > only have a maximum of 512GB of RAM. > ~Andrew No special configuration for dom0, actually, the ser

Re: [Xen-devel] dom0 show call trace and failed to boot on HSW-EX platform

2016-02-02 Thread David Vrabel
On 02/02/16 10:11, Andrew Cooper wrote: > On 02/02/16 07:40, Li, Liang Z wrote: >> Hi David, >> >> We found dom0 will crash when booing on HSW-EX server, the dom0 kernel >> version is v4.4. By debugging I found the your patch >> ' x86/xen: discard RAM regions above the maximum reservation' , which

Re: [Xen-devel] dom0 show call trace and failed to boot on HSW-EX platform

2016-02-02 Thread Andrew Cooper
On 02/02/16 07:40, Li, Liang Z wrote: > Hi David, > > We found dom0 will crash when booing on HSW-EX server, the dom0 kernel > version is v4.4. By debugging I found the your patch > ' x86/xen: discard RAM regions above the maximum reservation' , which the > commit ID is : f5775e0b6116b7e2425ccf53