Re: [Xen-devel] Unable to create guest PV domain on OMAP5432

[Andrii Anisov <andrii_anisov@xxxxxxxx>]

Hello Jayadev,

On 15.11.17 13:34, Jayadev Kumaran wrote:
> Hello Andrii,
>
> >> What defconfig are you based on? Do you have a device-tree support 
> enabled?
> I use /omap2plus_defconfig/ . Yes , device tree support is there and 
> the dts file used is /omap5-uevm.dts
> >> /But it did not get a command line to setup console on hvc0, or the 
> kernel crashed in earliest stages.
> Is there a way to debug which one of the above two possibilities has 
> lead to the issue ?
Four years ago I did it in a following way:
    - wire up to UART2 pins on an expansion connector (this sheet might 
be useful for you: http://www.ti.com/lit/ug/swcu130/swcu130.pdf)
    - assign UART2 IOMEM ranges to DomU
    - enable in domu kernel earlyprintk and patch it to output to omap 
UART2
Nowadays assigning UART2 IOMEM ranges might be a bit more complex due to 
XEN evolution.
Another way is to use JTAG which understands virtualization, and allows 
you to debug DomU.
--

*Andrii Anisov*


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