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Re: [Xen-devel] Update seabios and upstream qemu versions used on xen-unstable

Tuesday, April 15, 2014, 3:24:15 PM, you wrote:

> On 04/15/2014 12:51 PM, Sander Eikelenboom wrote:
>> Tuesday, April 15, 2014, 1:18:32 PM, you wrote:
>>> On Mon, Apr 14, 2014 at 01:11:36PM +0200, Fabio Fantoni wrote:
>>>> I think it would be good to update seabios and upstream qemu versions used
>>>> with xen-unstable.
>>>> Recently I tested on my testing system with xen-unstable seabios updated to
>>>> debian package version 1.7.4-4 without finding regressions and upstream 
>>>> qemu
>>>> 2.0-rc0 from git where I found 2 regressions already reported and solved on
>>>> upstream git.
>>>> I updated qemu to 2.0-rc2 where I did some tests without finding other
>>>> regressions or bugs for now.
>>>> I also noticed on the wiki page of the next hackathon the topic "QEMU and
>>>> SeaBIOS regression testing". As I reported some time ago it would be of
>>>> great help.
>>> I was thinking of submitting the update for QEMU when QEMU 2.0 will be
>>> out.
>> Wouldn't it be sensible for xen-unstable to follow at least the qemu rc's so 
>> those
>> get build and tested in the osstests ?

> It might make more sense to have a osstest target that used vanilla 
> upstream -- in fact, there may be one already.

I don't know if by "vanilla" you mean an vanilla upstream stable .. or a 
upstream devel ?

Because Xen has a (soft) dependency on qemu for HVM .. i would expect Xen as a 
project to test ... regularly devel ... or at least RC's from devel ... to make 
sure that what 
becomes a qemu-stable actually works with Xen (and have some time to actually 
get fixes upstream in the event that things don't work out).

It shouldn't be a blocker for the push-gates, but as an earlier warning things 
are go 
a miss in relation to one of the dependencies .. and things need attention 
preferably before that dependency project is going to release a stable version 
that would end up in distro's. 

The same goes for linux-linus and linux-next, although linux-next can be very 
unpolished and full of non really xen related oopses and build failures.

Perhaps an "linux-xen-next" (so that would be only xen patches targeted for 
linux-next) combined with linux-linus would be even more valuable .. 
since the xen linux tree at git.kernel.org has pretty clear branchnames this is 
pretty good manual testable (in later linux RC series, i mostly pull the xen 
tree on top).

But perhaps in the future also an easy pull-able branch for the linux 
patches (because these are sometimes a PITA to test beforehand due to: many 
subsequent patch sessies .. and merge conflicts) would be nice and handy for 
automatic testing and that would also facilitate manual testing of the net 
patches before they get applied.


>   -George

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