Re: [Xen-devel] [PATCH v12 00/10] x86: multiboot2 protocol support

[Daniel Kiper <daniel.kiper@xxxxxxxxxx>]

On Mon, Jan 23, 2017 at 09:35:55AM -0600, Doug Goldstein wrote:
> On 1/23/17 7:08 AM, Daniel Kiper wrote:
> > On Fri, Jan 20, 2017 at 10:54:12PM +0100, Daniel Kiper wrote:
> >> On Fri, Jan 20, 2017 at 02:42:30PM -0500, Doug Goldstein wrote:
> >>> On 1/19/17 8:34 PM, Daniel Kiper wrote:
> >>>> Hi,
> >>>>
> >>>> I am sending twelfth version of multiboot2 protocol support for
> >>>> legacy BIOS and EFI platforms. This patch series release contains
> >>>> fixes for all known/confirmed issues.
> >>>
> >>> With my fix to efi_multiboot2() in 5/10 and the entire series applied, I
> >>> get the following on some of the systems I have access to:
> >>>
> >>> (XEN) [    2.000533] HVM: HAP page sizes: 4kB, 2MB, 1GB
> >>> (XEN) [    7.012109] Stuck ??
> >>> (XEN) [    7.012129] Failed to bring up CPU 1 (error -5)
> >>> (XEN) [   12.023606] Stuck ??
> >>> (XEN) [   12.023622] Failed to bring up CPU 2 (error -5)
> >>> (XEN) [   17.035099] Stuck ??
> >>> (XEN) [   17.035115] Failed to bring up CPU 3 (error -5)
> >>> (XEN) [   17.035116] Brought up 1 CPUs
> >>>
> >>> On other machines they reset when setting PAGING into cr0 (actually the
> >>> jmp following it) on line 124 of trampoline.S
> >>
> >> Thanks! I will take a look.
> >>
> >>> If I drop the series to just 2-5 against staging (since patch 1 has
> >>> already gone in) and apply the fix to efi_multiboot2() then all the
> >>> machines I presently have access to boot.
> >>
> >> Great!
> >>
> >>> Effectively the fix to efi_multiboot2() gets us back to the same level
> >>> of hardware support that v11 + my v5 was at for 1-5. So I will extend my:
> >>>
> >>> Reviewed-by: Doug Goldstein <cardoe@xxxxxxxxxx>
> >>> Tested-by: Doug Goldstein <cardoe@xxxxxxxxxx>
> >>
> >> Thanks!
> >>
> >>> on the condition that the fix is applied to 5/10 prior to commit.
> >>
> >> Will do.
> >>
> >> By the way, I have asked my team colleagues to do more tests of this 
> >> series.
> >> I will come back to you if I have something in hand.
> >
> > Once you told me that you applied some patches on top of my patch series to 
> > get
> > it working. Is it still true? If you still use some extra patches could you 
> > send
> > me them? What about ExitBootServices() call? Did you disabled it? If yes on 
> > which
> > machines it have to be disabled?
> >
> > Daniel
> >
>
> I previously used the patch that I linked to you authored by Konrad. I
> have since switched to the patches that XenServer uses to no-op
> efi_get_time() and to map additional ranges of reserved memory to make
> EBS() work.

Could you send me them?

Daniel

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