Re: [Xen-devel] Xen 4.5 random freeze question

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Fri, 14 Nov 2014, Andrii Tseglytskyi wrote:
> Hi,
> 
> I observe system freeze on latest xen/master branch.
> 
> My setup is:
> 
> - Jacinto 6 evm board (OMAP5)
> - Latest Xen 4.5.0-rc2 as hypervisor
> - Linux 3.8 as dom0, running on 2 vcpus
> - Android 4.3 as domU (running on Linux kernel 3.8, 2 vcpus)
> - XSM feature is disabled
> - gcc version 4.7.3 20130328 (prerelease) (crosstool-NG
> linaro-1.13.1-4.7-2013.04-20130415 - Linaro GCC 2013.04) as cross
> compiler
> 
> Freeze occurs in random moment of time during creation of domU domain.
> Even Xen console may be not available after freeze.
> Can someone suggest - what it can be? Maybe some weak places in new
> code? Maybe new gic, which was reworked a lot or something else?
> 
> Thank you in advance for any suggestions.

Is this really 3.8 or 3.18? 3.8 is pretty old and doesn't have any of
the fixes to be able to safely do dma involving guest pages to
non-coherent devices. Where are you storing the guest disk images?

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