makedumpfile PATCH] Fix the use of Xen physical and machine addresses

Eric DeVolder eric.devolder at oracle.com
Thu Jun 1 09:00:41 PDT 2017



On 06/01/2017 09:18 AM, Eric DeVolder wrote:
> 
> 
> On 05/31/2017 04:07 AM, Daniel Kiper wrote:
>> On Tue, May 30, 2017 at 11:28:15PM +0200, Petr Tesarik wrote:
>>> On Tue, 30 May 2017 14:30:43 -0500
>>> Eric DeVolder <eric.devolder at oracle.com> wrote:
>>>
>>>> Hi,
>>>> Testing is underway. Generally working but I do have a couple of fails
>>>> I'm looking into:
>>>>
>>>>   > FAIL xen-4.1.2-rc3-pre_domU-pv_xl_linux-2.6.39-x86_64.tar.bz2
>>>                              ^^^^^^^
>>>
>>> Is this a PV DomU xc_core style dump? If so, then it has never been
>>> supported by makedumpfile, because the file format is very different,
>>> with no program headers, but a special section called ".xen_pages". In
>>> fact, the file format itself does not cover this type of dump.
>>
>> Ahhh... IIRC, you are right. Thanks for pointing this out. Eric, please
>> double check it and if PV __GUESTS__ are not supported by makedumpfile
>> skip tests for them. Just test dom0 and Xen hypervisor stuff.
> 
> I concur, this dump format is not supported by makedumpfile.
> 
> I'm still working on validating 32-bit dump files.

I have validated the 32-bit dump files with this patch. All is good.
eric




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