[Xen-devel] [PATCHv10 0/9] Xen: extend kexec hypercall for use with pv-ops kernels

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On 08/11/13 13:48, Daniel Kiper wrote:
> On Fri, Nov 08, 2013 at 01:13:59PM +0000, David Vrabel wrote:
>> Keir,
>>
>> Sorry, forgot to CC you on this series.
>>
>> Can we have your opinion on whether this kexec series can be merged?
>> And if not, what further work and/or testing is required?
>>
>> On 07/11/13 21:16, Daniel Kiper wrote:
>>> On Wed, Nov 06, 2013 at 02:49:37PM +0000, David Vrabel wrote:
>>>> The series (for Xen 4.4) improves the kexec hypercall by making Xen
>>>> responsible for loading and relocating the image.  This allows kexec
>>>> to be usable by pv-ops kernels and should allow kexec to be usable
>>>> from a HVM or PVH privileged domain.
>>>>
>>>> I have now tested this with a Linux kernel image using the VGA console
>>>> which was what was causing problems in v9 (this turned out to be a
>>>> kexec-tools bug).
>>>>
>>>> The required patch series for kexec-tools will be posted shortly and
>>>> are available from the xen-v7 branch of:
>>> In general it works. However, quite often I am not able to execute panic
>>> kernel. Machine hangs with following message:
>> I cannot reproduce any failures, neither on my dev box nor on any of the
>> automated XenServer tests that run on a range of different hardware
>> platforms.  I find kexec to be very reliable and an earlier version of
>> this series has been in production within XenServer for a while now and
>> has seen real use in the field.
>>
>> None of the issues reported so far have been regressions but failures in
>> specific uses of the new support for pv-ops kernels.
>>
>> I really can't see how I can do anything else to make this series
>> acceptable for merging.
> I think that in general it is OK. However, we must solve discovered
> issues or confirm that it is not a problem of current implementation.
> That is all. I hope that we finally do that next week (FYI, Monday
> is public holiday in Poland).

What outstanding issues do you think are present then?

~Andrew



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