Re: [Xen-devel] Debugging Dom0 on OMAP5

[Vaibhav Bedia <vaibhav.bedia@xxxxxxxxx>]

On Sun, Oct 20, 2013 at 12:02 PM, Vaibhav Bedia <vaibhav.bedia@xxxxxxxxx> wrote:
> Hi Ian,
>
> On Sun, Oct 20, 2013 at 11:42 AM, Ian Campbell <ian.campbell@xxxxxxxxxx> 
> wrote:
>> On Sun, 2013-10-20 at 10:01 -0400, Vaibhav Bedia wrote:
>>> MODULE[1]: 00000000a2000000 - 00000000a200b000
>>> MODULE[2]: 00000000a0000000 - 00000000a0a00000
>>
>> You don't seem to have given dom0 any kind of command line. Try
>> "console=hvc0". You have the Xen options, including the hvc console,
>> enabled in your kernel I hope.
>>
>
> I am trying to set xen,dom0-bootargs using the fdt command of U-Boot.
> I did have to fight
> the double quotes that fdt set was putting in but i managed to fix that.
>
> I did enable the various Xen options including the hvc console in the kernel.
>
> Just before invoking xen, here's what fdt list shows:
> U-Boot# fdt list /chosen
> chosen {
>         xen,dom0-bootargs = "console=hvc0,115200n8 vram=16M
> root=/dev/ram initrd=0x83000000,16M ramdisk_size=65536 rw
> earlyprintk=xen";
>         xen,xen-bootargs = "dom0_mem=256M console=dtuart
> dtuart=serial2 earlyprintk=xen";
>         modules {
>         };
> };
> U-Boot#
>
> Does this look right?

Argh... i should have not ignored the timer running @ 0Hz message for so long.
With that fixed in DTB i can see Dom0 crash now. And somehow that change made
the other Xen keyhandlers work again!

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