[Live-demo] ISO not isohybrid, lacks UEFI support

Angelos Tzotsos gcpp.kalxas at gmail.com
Wed Dec 7 01:50:38 PST 2016


Thank you very much Ben,

Next nightly is on its way, with all pull requests included (thanks for 
the devel branch).

Best regards,
Angelos

On 12/07/2016 04:25 AM, Ben Caradoc-Davies wrote:
> Angelos,
>
> my recent changes give me a working isohybrid+UEFI ISO with GeoServer 
> 2.10.0 + NetCDF extension, combined in this new branch for your 
> nightly-building convenience:
> https://github.com/bencaradocdavies/OSGeoLive/tree/devel
>
> I have submitted the individual changes as separate pull requests.
>
> Kind regards,
> Ben.
>
> On 07/12/16 05:12, Angelos Tzotsos wrote:
>> Hi all,
>>
>> A new build is available including the code from Ben's pull request:
>> http://aiolos.survey.ntua.gr/gisvm/dev/osgeo-live-nightly-build4-amd64-6875128.iso 
>>
>>
>>
>> Cheers,
>> Angelos
>>
>> On 12/06/2016 06:01 PM, Johan Van de Wauw wrote:
>>> If a version is ready, I can test it on a few devices.
>>>
>>> On Tue, Dec 6, 2016 at 4:45 PM, Brian M Hamlin <maplabs at light42.com>
>>> wrote:
>>>>   Hi All
>>>>
>>>>    this  line of build steps looks promising .. my own small
>>>> investigations into the UEFI boot process raised more questions than
>>>> answers, so I am grateful to see a new set of resources applied to
>>>> the problem.
>>>>
>>>>    Specifically, I had not seen nor heard of,  GNU xorriso, and  I
>>>> had not gone through Ticket #1761 in detail.
>>>>
>>>>    great news, and I will make time to test a bit soon
>>>>    best from Berkeley, California
>>>>     --Brian
>>>>
>>>>
>>>>   On Tue, 6 Dec 2016 20:55:17 +1100, Cameron Shorter  wrote:
>>>>
>>>> Sounds promising Ben.
>>>>
>>>> Looks like size won't be an issue with what you are proposing.
>>>>
>>>> I'd be interested to hear if Brian has any comments. Brian has 
>>>> burned a
>>>> lot of USBs for prior conferences and might have some feedback on 
>>>> things
>>>> to look out for.
>>>>
>>>> Cheers, Cameron
>>>>
>>>> On 6/12/2016 3:54 PM, Ben Caradoc-Davies wrote:
>>>>> Cameron,
>>>>>
>>>>> in my first test, isohybrid and UEFI support increases the size of 
>>>>> the
>>>>> ISO image by only 411648 bytes.
>>>>>
>>>>> Kind regards,
>>>>> Ben.
>>>> On 6/12/2016 4:08 PM, Ben Caradoc-Davies wrote:
>>>>> Angelos,
>>>>>
>>>>> I think I have a working solution:
>>>>> https://github.com/OSGeo/OSGeoLive/pull/142
>>>>>
>>>>> Not yet tested on physical hardware. The ISO should now work after
>>>>> being written to a raw thumb drive with dd, just like the official
>>>>> Ubuntu and Lubuntu ISO images.
>>>>>
>>>>> All of these boot in QEMU:
>>>>>
>>>>> QEMU test as "cdrom":
>>>>> $ qemu-system-x86_64 -enable-kvm -m 2048 -cdrom
>>>>> osgeo-live-nightly-build6-amd64-ab426ef.iso
>>>>>
>>>>> QEMU test as MBR boot thumb drive (which boot as first hard disk):
>>>>> $ qemu-system-x86_64 -enable-kvm -m 2048 -hda
>>>>> osgeo-live-nightly-build6-amd64-ab426ef.iso ^C
>>>>>
>>>>> QEMU test as UEFI boot thumb drive (OVMF Tianocore UEFI BIOS):
>>>>> $ qemu-system-x86_64 -enable-kvm -m 2048 -bios 
>>>>> /usr/share/ovmf/OVMF.fd
>>>>> -hda osgeo-live-nightly-build6-amd64-ab426ef.iso
>>>>>
>>>>> Boot equipment looks good to me:
>>>>>
>>>>> $ xorriso -indev osgeo-live-nightly-build6-amd64-ab426ef.iso
>>>>> -report_el_torito plain -report_system_area plain
>>>>> xorriso 1.4.6 : RockRidge filesystem manipulator, libburnia project.
>>>>>
>>>>> xorriso : NOTE : Loading ISO image tree from LBA 0
>>>>> xorriso : UPDATE : 502 nodes read in 1 seconds
>>>>> xorriso : NOTE : Detected El-Torito boot information which currently
>>>>> is set to be discarded
>>>>> Drive current: -indev 'osgeo-live-nightly-build6-amd64-ab426ef.iso'
>>>>> Media current: stdio file, overwriteable
>>>>> Media status : is written , is appendable
>>>>> Boot record  : El Torito , MBR isohybrid cyl-align-off GPT
>>>>> Media summary: 1 session, 2069246 data blocks, 4041m data, 7489m free
>>>>> Volume id    : 'OSGEOLIVE10'
>>>>> El Torito catalog  : 164  1
>>>>> El Torito cat path : /isolinux/boot.cat
>>>>> El Torito images   :   N  Pltf  B   Emul  Ld_seg  Hdpt Ldsiz
>>>>> LBA
>>>>> El Torito boot img :   1  BIOS  y   none  0x0000  0x00 4         165
>>>>> El Torito boot img :   2  UEFI  y   none  0x0000  0x00 
>>>>> 4736         185
>>>>> El Torito img path :   1  /isolinux/isolinux.bin
>>>>> El Torito img opts :   1  boot-info-table isohybrid-suitable
>>>>> El Torito img path :   2  /boot/grub/efi.img
>>>>> System area options: 0x00000202
>>>>> System area summary: MBR isohybrid cyl-align-off GPT
>>>>> ISO image size/512 : 8276984
>>>>> Partition offset   : 0
>>>>> MBR heads per cyl  : 0
>>>>> MBR secs per head  : 0
>>>>> MBR partition table:   N Status  Type        Start Blocks
>>>>> MBR partition      :   1   0x80  0x00            0 8278016
>>>>> MBR partition      :   2   0x00  0xef          740 4736
>>>>> MBR partition path :   2  /boot/grub/efi.img
>>>>> GPT                :   N  Info
>>>>> GPT disk GUID      :      c22a598de644cf4ababebbce02526bc1
>>>>> GPT entry array    :      2  128  overlapping
>>>>> GPT lba range      :      34  8277982  8278015
>>>>> GPT partition name :   1
>>>>> 490053004f004800790062007200690064002000490053004f00
>>>>> GPT partname local :   1  ISOHybrid ISO
>>>>> GPT partition GUID :   1  ddfce2b743e69e439dd9fd1b0859474c
>>>>> GPT type GUID      :   1  a2a0d0ebe5b9334487c068b6b72699c7
>>>>> GPT partition flags:   1  0x0000000000000000
>>>>> GPT start and size :   1  0  8276984
>>>>> GPT partition name :   2 490053004f00480079006200720069006400
>>>>> GPT partname local :   2  ISOHybrid
>>>>> GPT partition GUID :   2  fd17fc2ba0182c4490c1d617372125de
>>>>> GPT type GUID      :   2  a2a0d0ebe5b9334487c068b6b72699c7
>>>>> GPT partition flags:   2  0x0000000000000000
>>>>> GPT start and size :   2  740  4736
>>>>> GPT partition path :   2  /boot/grub/efi.img
>>>>>
>>>>> Kind regards,
>>>>> Ben.
>>>>>
>>>>>
>>>>> On 06/12/16 07:40, Ben Caradoc-Davies wrote:
>>>>>> Angelos,
>>>>>>
>>>>>> I will see if I can get genisoimage+isohybrid to work. If not, I 
>>>>>> will
>>>>>> try xorriso, which seems to be under more active development.
>>>>>>
>>>>>> Kind regards,
>>>>>> Ben.
>>>>>>
>>>>>> On 04/12/16 23:22, Angelos Tzotsos wrote:
>>>>>>> Hi Ben,
>>>>>>>
>>>>>>> It is a known fact that Ubuntu has switched its build process
>>>>>>> closer to
>>>>>>> the Debian iso build process.
>>>>>>> I contacted several Ubuntu developers (specifically those who are
>>>>>>> responsible for the iso creation) during our previous dev cycle.
>>>>>>> Here is
>>>>>>> the information gathered back then:
>>>>>>> https://trac.osgeo.org/osgeo/ticket/1761
>>>>>>>
>>>>>>> We decided not to switch our build method since this would require
>>>>>>> too
>>>>>>> much effort.
>>>>>>>
>>>>>>> Now what you propose is something that sounds easier than
>>>>>>> switching to
>>>>>>> the new Ubuntu build process.
>>>>>>> Can you please make a pull request to include those extra isohybrid
>>>>>>> commands?
>>>>>>>
>>>>>>> Cheers,
>>>>>>> Angelos
>>>>>>>
>>>>>>> On 12/02/2016 01:16 AM, Ben Caradoc-Davies wrote:
>>>>>>>> The current ISO image osgeo-live-10.0-amd64.iso is not isohybrid,
>>>>>>>> and
>>>>>>>> lacks UEFI support. As far as I know, all current official Ubuntu
>>>>>>>> live
>>>>>>>> images have both. Shipping isohybrid images simplifies USB thumb
>>>>>>>> drive
>>>>>>>> creation because the ISO can then be written directly to a raw
>>>>>>>> device
>>>>>>>> with dd without needing any other processing, not to mention
>>>>>>>> consistency with Ubuntu.
>>>>>>>>
>>>>>>>> Does anyone object to changing the ISO build process to make
>>>>>>>> isohybrid
>>>>>>>> images with UEFI support? This should a matter of a few additional
>>>>>>>> xorriso arguments.
>>>>>>>>
>>>>>>>>
>>>>>>>> The current ISO is suitable for MBR isohybrid but lacks UEFI
>>>>>>>> support:
>>>>>>>>
>>>>>>>> $ isohybrid -u osgeo-live-10.0-amd64.iso
>>>>>>>> isohybrid: osgeo-live-10.0-amd64.iso: unable to find efi image
>>>>>>>>
>>>>>>>>
>>>>>>>> The existing boot equipment of the ISO contains only MBR support:
>>>>>>>>
>>>>>>>> $ xorriso -indev osgeo-live-10.0-amd64.iso -report_el_torito plain
>>>>>>>> -report_system_area plain
>>>>>>>> xorriso 1.4.6 : RockRidge filesystem manipulator, libburnia 
>>>>>>>> project.
>>>>>>>>
>>>>>>>> xorriso : NOTE : Loading ISO image tree from LBA 0
>>>>>>>> xorriso : UPDATE : 502 nodes read in 1 seconds
>>>>>>>> xorriso : NOTE : Detected El-Torito boot information which 
>>>>>>>> currently
>>>>>>>> is set to be discarded
>>>>>>>> Drive current: -indev 'osgeo-live-10.0-amd64.iso'
>>>>>>>> Media current: stdio file, overwriteable
>>>>>>>> Media status : is written , is appendable
>>>>>>>> Boot record  : El Torito
>>>>>>>> Media summary: 1 session, 2062470 data blocks, 4028m data, 8267m
>>>>>>>> free
>>>>>>>> Volume id    : 'OSGEOLIVE10'
>>>>>>>> El Torito catalog  : 164  1
>>>>>>>> El Torito cat path : /isolinux/boot.cat
>>>>>>>> El Torito images   :   N  Pltf  B   Emul  Ld_seg Hdpt
>>>>>>>> Ldsiz         LBA
>>>>>>>> El Torito boot img :   1  BIOS  y   none  0x0000 0x00 4         
>>>>>>>> 165
>>>>>>>> El Torito img path :   1  /isolinux/isolinux.bin
>>>>>>>> El Torito img opts :   1  boot-info-table isohybrid-suitable
>>>>>>>> xorriso : NOTE : No System Area was loaded
>>>>>>>>
>>>>>>>>
>>>>>>>> Kind regards,
>>>>>>>>
>>>>>>>
>>>> -- 
>>>> Cameron Shorter
>>>> M +61 419 142 254
>>>>
>>>> _______________________________________________
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>>>> http://live.osgeo.org
>>>> http://wiki.osgeo.org/wiki/Live_GIS_Disc
>>> _______________________________________________
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>>
>>
>


-- 
Angelos Tzotsos, PhD
OSGeo Charter Member
http://users.ntua.gr/tzotsos



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