Re: [MirageOS-devel] Unable to boot xen on cubieboard2

[Thomas Leonard <talex5@xxxxxxxxx>]

On 20 July 2015 at 02:58, Mukund Parthasarathy <mukundanps@xxxxxxxxx> wrote:
>  Thanks. Yes, I git cloned and built as dom0, xen and u-boot as in the doc.

I don't think it's possible to follow the doc any longer, as the
referenced U-Boot sunxi-next branch no longer exists. You'll need to
use the upstream U-Boot instead, with a slightly modified cmd file.
The ones here should be correct:

  https://github.com/mirage/xen-arm-builder

> I just looked at my log, there's a bit at the end I missed. Here's the
> entire log, I've highlighted the last part. Looks like some build parameter
> went missing, complaining that its not in NS Hyp mode....
>
> U-Boot 2014.04-01572-gea1ac32 (Jul 12 2015 - 01:41:38) Allwinner Technology
>
> CPU:   Allwinner A20 (SUN7I)
> Board: Cubieboard2
> I2C:   ready
> DRAM:  1 GiB
> MMC:   SUNXI SD/MMC: 0
> *** Warning - bad CRC, using default environment
>
> In:    serial
> Out:   serial
> Err:   serial
> Net:   dwmac.1c50000
> Hit any key to stop autoboot:  0
> reading uEnv.txt
> ** Unable to read file uEnv.txt **
> Failed to mount ext2 filesystem...
> ** Unrecognized filesystem type **
> Failed to mount ext2 filesystem...
> ** Unrecognized filesystem type **
> reading boot.scr
> 1243 bytes read in 21 ms (57.6 KiB/s)
> Jumping to boot.scr
> ## Executing script at 44000000
> reading /xen
> 688912 bytes read in 56 ms (11.7 MiB/s)
> reading /sun7i-a20-cubieboard2.dtb
> 20757 bytes read in 29 ms (698.2 KiB/s)
> reading /vmlinuz
> 5284760 bytes read in 263 ms (19.2 MiB/s)
> Kernel image @ 0x7ea00000 [ 0x000000 - 0x0ef700 ]
> ## Flattened Device Tree blob at 7ec00000
>    Booting using the fdt blob at 0x7ec00000
>    reserving fdt memory region: addr=7ec00000 size=6000
>    Using Device Tree in place at 7ec00000, end 7ec08fff
>
> Starting kernel ...
>
> - UART enabled -
> - CPU 00000000 booting -
> - Xen must be entered in NS Hyp mode -
> - Boot failed -
>
>
> On Sun, Jul 19, 2015 at 5:30 PM, Luke Dunstan <lukedunstan81@xxxxxxxxx>
> wrote:
>>
>> I was going to ask whether you downloaded a pre-built image from
>> http://blobs.openmirage.org/ but that site doesn't seem to be available at
>> the moment, so I guess you built an image? But regardless of that, first try
>> writing the image to the card again with "dd", as I've occasionally had that
>> step fail to work.
>>
>> The early output of a successful boot looks like this (depending on the
>> version of U-Boot):
>>
>> U-Boot 2014.04-01540-ga74a847 (Jun 26 2015 - 14:22:47) Allwinner
>> Technology
>>
>> CPU:   Allwinner A20 (SUN7I)
>> Board: Cubieboard2
>> I2C:   ready
>> DRAM:  1 GiB
>> MMC:   SUNXI SD/MMC: 0
>> *** Warning - bad CRC, using default environment
>>
>> In:    serial
>> Out:   serial
>> Err:   serial
>> Net:   dwmac.1c50000
>> Hit any key to stop autoboot:  0
>> reading uEnv.txt
>> ** Unable to read file uEnv.txt **
>> Failed to mount ext2 filesystem...
>> ** Unrecognized filesystem type **
>> Failed to mount ext2 filesystem...
>> ** Unrecognized filesystem type **
>> reading boot.scr
>> 1243 bytes read in 22 ms (54.7 KiB/s)
>> Jumping to boot.scr
>> ## Executing script at 44000000
>>
>>
>> The warning about ext2 is not likely to be related to your problem.
>>
>> Luke
>>
>>
>> On Mon, 20 Jul 2015 at 04:03 Mukund Parthasarathy <mukundanps@xxxxxxxxx>
>> wrote:
>>>
>>> Hello-
>>>  Trying to set up my cubieboard2 per
>>> https://mirage.io/wiki/xen-on-cubieboard2.
>>>
>>>  Xen won't boot, looks like it is expecting ext2 filesystem, rather than
>>> ext4:
>>>
>>> U-Boot 2014.04-01572-gea1ac32 (Jul 12 2015 - 01:41:38) Allwinner
>>> Technology
>>>
>>> CPU:   Allwinner A20 (SUN7I)
>>> Board: Cubieboard2
>>> I2C:   ready
>>> DRAM:  1 GiB
>>> MMC:   SUNXI SD/MMC: 0
>>> *** Warning - bad CRC, using default environment
>>>
>>> In:    serial
>>> Out:   serial
>>> Err:   serial
>>> Net:   dwmac.1c50000
>>> Hit any key to stop autoboot:  0
>>> reading uEnv.txt
>>> ** Unable to read file uEnv.txt **
>>> Failed to mount ext2 filesystem...
>>> ** Unrecognized filesystem type **
>>> Failed to mount ext2 filesystem...
>>> ** Unrecognized filesystem type **
>>>
>>>
>>> Boot fails....any ideas? Please let me know if I should be posting on a
>>> different DL, Ultimately, I'd like to run a mirageos unikernal...
>>> _______________________________________________
>>> MirageOS-devel mailing list
>>> MirageOS-devel@xxxxxxxxxxxxxxxxxxxx
>>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel
>
>
>
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-- 
Dr Thomas Leonard        http://roscidus.com/blog/
GPG: DA98 25AE CAD0 8975 7CDA  BD8E 0713 3F96 CA74 D8BA

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