Re: [Xen-devel] pvgrub2 is merged

[Vladimir 'φ-coder/phcoder' Serbinenko]

On 06.12.2013 15:44, Fabio Fantoni wrote:
> Il 06/12/2013 12:32, Vladimir 'φ-coder/phcoder' Serbinenko ha scritto:
>> On 06.12.2013 12:11, Fabio Fantoni wrote:
>>> Il 03/12/2013 17:16, Fabio Fantoni ha scritto:
>>>> Il 03/12/2013 16:33, Vladimir 'φ-coder/phcoder' Serbinenko ha scritto:
>>>>> On 03.12.2013 15:00, Fabio Fantoni wrote:
>>>>>> Il 03/12/2013 12:29, Vladimir 'φ-coder/phcoder' Serbinenko ha
>>>>>> scritto:
>>>>>>> On 03.12.2013 12:22, Fabio Fantoni wrote:
>>>>>>>> Il 03/12/2013 11:33, Vladimir 'φ-coder/phcoder' Serbinenko ha
>>>>>>>> scritto:
>>>>>>>>> On 03.12.2013 11:31, Fabio Fantoni wrote:
>>>>>>>>>> If you need more tests/informations tell me and I'll post them.
>>>>>>>>> I've already asked you for exact kernel that I can download (and
>>>>>>>>> SHA512
>>>>>>>>> to check it's the same one) and got only vague response
>>>>>>>>>
>>>>>>>> Thanks for reply.
>>>>>>>> The actual kernel used is from this package:
>>>>>>>> http://packages.debian.org/sid/linux-image-3.11-2-amd64
>>>>>>>>
>>>>>>>> I already checked kernel's files integrity with md5 (using the
>>>>>>>> debian
>>>>>>>> package's md5sums file and is correct).
>>>>>>>> Same domU with pygrub with manual and minimal grub.cfg
>>>>>>>> configuration and
>>>>>>>> it boots correctly, but with pvgrub2 and grub.cfg created
>>>>>>>> automatically
>>>>>>>> (see attachment of previous mail) it doesn't boot.
>>>>>>>>
>>>>>>> With HEAD:
>>>>>>> address@hidden:12:21:06:~/compile/bt/x86_64-xen$ ar x
>>>>>>> ~/downloads/linux-image-3.11-2-amd64_3.11.8-1_amd64.deb
>>>>>>> address@hidden:12:23:29:~/compile/bt/x86_64-xen$ tar --xz -xf
>>>>>>> data.tar.xz
>>>>>>> address@hidden:12:28:36:~/compile/bt/x86_64-xen$ sha512sum
>>>>>>> boot/vmlinuz-3.11-2-amd64
>>>>>>> 002bc39cfc0191614ec380a44993d20691e1dc8791a8c6f3a163777ef6fb733243d3da48760b2eedfc3ab9b8bd7b8fe2d473cdd3a91eb3d855eb4f3db9f7b6df
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>     boot/vmlinuz-3.11-2-amd64
>>>>>>> address@hidden:12:23:38:~/compile/bt/x86_64-xen$ ./grub-mkstandalone
>>>>>>> --grub-mkimage=./grub-mkimage -o grub.xen -O x86_64-xen -d
>>>>>>> grub-core/
>>>>>>> boot/vmlinuz-3.11-2-amd64
>>>>>>>
>>>>>>>                                 GNU GRUB  version 2.00
>>>>>>>
>>>>>>>       Minimal BASH-like line editing is supported. For the first
>>>>>>> word, TAB
>>>>>>>       lists possible command completions. Anywhere else TAB lists
>>>>>>> possible
>>>>>>>       device or file completions.
>>>>>>>
>>>>>>>
>>>>>>> grub> insmod xzio
>>>>>>> grub> linux /boot/vmlinuz-3.11-2-amd64
>>>>>>> grub> boot
>>>>>>> [    0.000000] Initializing cgroup subsys cpuset
>>>>>>> [    0.000000] Initializing cgroup subsys cpu
>>>>>>> [    0.000000] Initializing cgroup subsys cpuacct
>>>>>>>
>>>>>>> I've uploaded my grub.xen to
>>>>>>> http://download-mirror.savannah.gnu.org/releases/grub/phcoder/grub.xen.xz
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>> Thanks for any reply.
>>>>>>>>
>>>>>> Thanks for your reply.
>>>>>> I tried with your build and gave me:
>>>>>>
>>>>>> Caricamento Linux 3.11-2-amd64...
>>>>>> errore: not xen image.
>>>>>> Caricamento ramdisk iniziale...
>>>>>> errore: ? necessario caricare il kernel prima.
>>>>>>
>>>>>> I also rebuilt pvgrub2 from clean directory, full logs of configure,
>>>>>> make and xl create on attachment.
>>>>>> Also in this case domU destroys on kernel and initrd loading.
>>>>>> I not understand what are my errors and/or forgetfulness.
>>>>>>
>>>>> $ sha512sum /boot/vmlinuz-3.11-2-amd64
>>>> sha512sum /mnt/tmp/boot/vmlinuz-3.11-2-amd64
>>>> 002bc39cfc0191614ec380a44993d20691e1dc8791a8c6f3a163777ef6fb733243d3da48760b2eedfc3ab9b8bd7b8fe2d473cdd3a91eb3d855eb4f3db9f7b6df
>>>>
>>>> /mnt/tmp/boot/vmlinuz-3.11-2-amd64
>>>>
>>>>> Did you try with kernel embed in GRUB?
>>>> I tried with ./grub-mkstandalone --grub-mkimage=./grub-mkimage -o
>>>> pvgrub2.xen -O x86_64-xen -d grub-core/
>>>> /mnt/tmp/boot/vmlinuz-3.11-2-amd64
>>>> Probably I did something wrong or missed about this test.
>>>> On xl create it arrives to grub console, so I tried to set root and
>>>> include the grub.cfg of domU but gave nothing, only new console line.
>>>> Can you give me more details to do a complete and correct test?
>>>>
>>>>> Did you try root/linux/initrd/boot sequence manually?
>>>> I presume you mean to do insmod, set root and all other command
>>>> manually without using grub.cfg, could you confirm that or give me an
>>>> exact howto?
>>>>
>>> I tried manually sequence instead of do it with grub.cfg (I hope to did
>>> it correctly):
>>>
>>> ...
>>> grub> insmod part_msdos
>>> grub> insmod xzio
>>> grub> insmod ext2
>>> grub> insmod gzio
>>> grub> set root=(xen/xvda,msdos1)
>>> grub> linux /boot/vmlinuz-3.11-2-amd64
>>> root=UUID=3ab55964-09d1-4853-be38-661b56a14 ro console=tty0 debug
>>> grub> initrd /boot/initrd.img-3.11-2-amd64
>>> grub> boot
>>> xc: debug: hypercall buffer: total allocations:237 total releases:237
>>> xc: debug: hypercall buffer: current allocations:0 maximum allocations:4
>>> xc: debug: hypercall buffer: cache current size:4
>>> xc: debug: hypercall buffer: cache hits:226 misses:4 toobig:7
>>>
>>> unfortunately the result is the same :(
>>>
>> Hm, that is different from previous. Previously you spoke about "not a
>> xen image" message. I'd remove console=tty0 and also try without initrd.
> 
> Without console and initrd:
> 
> ...
> grub> insmod part_msdos
> grub> insmod xzio
> grub> insmod ext2
> grub> insmod gzio
> grub> set root=(xen/xvda,msdos1)
> grub> linux /boot/vmlinuz-3.11-2-amd64
> root=UUID=3ab55964-09d1-4853-be38-661b5a476a14 ro debug
> grub> boot
> xc: debug: hypercall buffer: total allocations:247 total releases:247
> xc: debug: hypercall buffer: current allocations:0 maximum allocations:4
> xc: debug: hypercall buffer: cache current size:4
> xc: debug: hypercall buffer: cache hits:236 misses:4 toobig:7
> 
Which xen version is it? I tried only with 4.3

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