Re: [Xen-users] Booting dom0 on OMAP5432 board

[Konstantin Belov <konstantin.belov@xxxxxxxxx>]

Ian,
 After moving dom0-bootargs from /chosen to /chosen/module@0 I got the
following:

---- fdt print /chosen ----
chosen {
        xen,xen-bootargs = "sync_console console=dtuart dtuart=serial2
loglvl=all guest_loglvl=all console_to_ring dom0_mem=512M";
        modules {
                #size-cells = <0x00000001>;
                #address-cells = <0x00000001>;
                module@0 {
                        reg = <0xa0000000 0x00a00000>;
                        compatible = "xen,linux-zimage", "xen,multiboot-module";
                        bootargs = "console=hvc0,115200n8
earlyprintk=xen debug ignore_loglevel root=/dev/mmcblk0p2 rw rootwait
fixrtc";
                };
        };
};

---- Boot log ----
(XEN) Checking for initrd in /chosen
(XEN) RAM: 0000000080000000 - 00000000feffffff
(XEN)
(XEN) MODULE[0]: 00000000825f0000 - 00000000825fd000 Device Tree
(XEN) MODULE[1]: 00000000a0000000 - 00000000a0a00000 Kernel
console=hvc0,115200n8 earlyprintk=xen debug ignore_loglevel
root=/dev/mmcblk0p2 rw rootwait fixrtc
(XEN)  RESVD[0]: 00000000825f0000 - 00000000825fd000
(XEN)
(XEN) Command line: sync_console console=dtuart dtuart=serial2
loglvl=all guest_loglvl=all sync_console console_to_ring dom0_mem=512M
(XEN) Placing Xen at 0x00000000fee00000-0x00000000ff000000
(XEN) Update BOOTMOD_XEN from 0000000080200000-00000000802f9681 =>
00000000fee00000-00000000feef9681
(XEN) Xen heap: 00000000ee000000-00000000fe000000 (65536 pages)
(XEN) Dom heap: 454656 pages
(XEN) Domain heap initialised
(XEN) Looking for UART console serial2

But the final is the same:
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
input to Xen)
(XEN) Freed 252kB init memory.


On Thu, Sep 25, 2014 at 2:11 PM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> On Wed, 2014-09-24 at 20:17 +0400, Konstantin Belov wrote:
>> Ian,
>>  That's what I have in FDT before bootm command:
>>
>> U-Boot# fdt print /chosen
>> chosen {
>>         xen,dom0-bootargs = "console=hvc0 earlyprintk=xen debug
>> ignore_loglevel root=/dev/mmcblk0p2 rw rootwait fixrtc";
>>         xen,xen-bootargs = "sync_console console=dtuart dtuart=serial2";
>>         modules {
>>                 #size-cells = <0x00000001>;
>>                 #address-cells = <0x00000001>;
>>                 module@0 {
>>                         reg = <0xa0000000 0x00a00000>;
>>                         compatible = "xen,linux-zimage", 
>> "xen,multiboot-module";
>>                 };
>>         };
>> };
>>
>> Also I tried to add more options for Xen (which I took from Arndale
>> setup): "loglvl=all guest_loglvl=all sync_console console_to_ring"
>> but this didn't add any extra info.
>
> I don't spot anything wrong with this :-(
>
> Could you try putting /chosen/xen,dom0-bootargs
> into /chosen/modules/module@0/bootargs instead and see if that works?
> Perhaps we have somehow regressed the former path (in which case it
> should be fixed).
>
> Ian.
>
>



-- 
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