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Re: [Xen-devel] Booting XEN on Samsung ARM Chromebook with display support

2014-02-18 15:48 GMT+04:00 Francesco Gringoli <francesco.gringoli@xxxxxxxxxxxx>:
> On Feb 18, 2014, at 11:21 AM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
>> On Sun, 2014-02-16 at 12:56 +0000, Stefano Stabellini wrote:
>>> On Fri, 14 Feb 2014, Francesco Gringoli wrote:
>>>> Hello guys,
>>>> "building" on the great work done by Anthony I was finally able to boot 
>>>> xen and dom0 on the Chromebook with display support.
>>>> Basically everything was already done by Anthony, the only problem was the 
>>>> .config file of the dom0 missing some options and a couple of files in 
>>>> arch/arm/mach-exynos which were crashing the boot process (by reading the 
>>>> dtb). Actually I was not able to address the problem in a clever way, but 
>>>> I fixed it so boot does not crash (almost) anymore.
>>>> What I get is dom0 booting and working, boot logs appear on the display 
>>>> like when running archlinux natively. The keyboard does not work as 
>>>> pointed out by Anthony but external does, so it is possible to log in and 
>>>> check /proc/xen is populated. There are two main issues
>>>> 1) sometimes (very few) boot crashes, but late, e.g., after 2 secs
>>>> 2) after minutes something weird happens, and it is not anymore possible 
>>>> to cat files' content, although ls + cd etc keep working.
>>>> I would like to add some files and info to the old wiki page 
>>>> (http://wiki.xenproject.org/wiki/Xen_ARM_with_Virtualization_Extensions/Chromebook)
>>>>  but it seems I can not edit it.
>>> Great job!
>> Yes, very nice.
>>> Please do request access and update the wiki.
>>> Anthony's branches are quite old now, many bugs have been discovered and
>>> fixed in the upstream Xen and Linux trees in the meantime.
>>> Although I expect that updating the Xen tree could be difficult at this
>>> point, it is probably worth it from the stability point of view.
>> I agree, ideally the tree would be rebased and whatever needed to be
>> (and could be) would be upstreamed. I've no idea what the divergence is
>> like, but at least in principal supporting a "new" platform with the
>> modern mainline code ought to be loads easier than it was back when
>> Anthony started work on this stuff.

> I updated the page. I'm starting working on latest Xen only (at the moment) 
> to make it booting old Linux tree described in the page.
> Keep you posted.

Big kudos for your job, and thanks for keep working!

> -Francesco

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