Re: [Xen-users] debian lenny 3.2.1 doesn't boot, livexen boots just fine

[Gabor Szilagyi <szilagyi@xxxxxxxxxxxx>]

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Pasi Kärkkäinen wrote:
> On Thu, Jan 28, 2010 at 11:11:50AM -0500, Gabor Szilagyi wrote:
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>> Pasi Kärkkäinen wrote:
>>> On Wed, Jan 27, 2010 at 09:41:02AM -0500, Gabor Szilagyi wrote:
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>>>>
>>>>
>>>> Martin Kraus wrote:
>>>>> On Tue, Jan 26, 2010 at 05:34:59PM -0200, Thiago Camargo Martins Cordeiro 
>>>>> wrote:
>>>>>> Hi!
>>>>>>
>>>>>> 1- Get the ISO of the Debian Lenny 5.0 amd64 from http://debian.org;
>>>>>> 2- Install your Debian into your own partition scheme (LVM over RAID);
>>>>>> 3- Reboot into your new fresh Debian Lenny; upgrade it;
>>>>>> 4- * GRUB1 is still the default in Lenny, verify it;
>>>>>> 5- Install the Xen with the command: "aptitude install
>>>>>> xen-linux-system-2.6.26-2-xen-amd64";
>>>>>> 6- Reboot into you new dom0.
>>>>> Thanks for the effort but how does this solve the problem that xen doesn't
>>>>> start? I'm already running virtual hosts on that machine and I can't rip
>>>>> all of this apart just to get stuck with unbootable system again. 
>>>>>
>>>>> What I need is to find out what the problem is and then start ripping 
>>>>> stuff
>>>>> apart. I've tried to compile xen myself, versions 3.2, 3.3, 3.4, hg tip, 
>>>>> all
>>>>> get stuck at some time during xen boot. Until I've tried the live cd, I
>>>>> thought that it's some incompatibility with my hardware but since the 
>>>>> live cd is
>>>>> debian lenny on iso and it works fine, I have to look for the part that 
>>>>> causes
>>>>> xen to freeze.
>>>>>
>>>>> Since there is only bios, grub and xen running in turn before the machine
>>>>> gets stuck I'd say that the problem is in one of these systems.
>>>>>
>>>>> I'll try to find out something about grub and then I'm going after kvm 
>>>>> before
>>>>> I decide to scratch the whole machine.
>>>> Hi Martin,
>>>>
>>>> I am having the same problem ... ever since I installed grub2 I can not
>>>> get xen to boot. I was told it is possible but yet to see someone
>>>> writing it down how. Tried the "new" syntax, put dummy=dummy as first
>>>> cmd line argument, even compiled the root=/... in the kernel nothing works.
>>>>
>>>> I just get Panic on CPU 0 ... and stuck dump.
>>>>
>>> Please see:
>>> http://wiki.xensource.com/xenwiki/XenCommonProblems
>>>
>>> section:
>>> "Booting Xen with GRUB2 fails?"
>> Thanks for the tip ... I tried all those no change :
>>
>> here what I have currently in gurb.cfg both recommendation is use the
>> file name twice and use dummy=dummy
> 
> No, you don't use both of them.
> 
> The problem is that grub2 destroys the *first* parameter, 
> so if you add the filename twice, that already is the extra 
> first parameter, so no need for dummy anymore.
> 
> Or then don't add the filename, but use dummy.
> You just need *one* extra parameter there, as the first parameter.
> 
> See the working example from here:
> http://old.nabble.com/Strange-interaction-from-grub2-and-XEN-td26464067.html
> 
> 
>> I am trying both the newest patched kernel and the stuck kernel coming
>> with 3.4.2 source ... both compile without error (I pretty sure I got
>> the config right for xen). Actually I can boot the 2.6.31.6-xen-2 on
>> bare metal (strangely not the 2.6.18.8 !!)
>>
> 
> xenlinux kernels (2.6.18.8) don't support running as baremetal.
> pv_ops Xen kernel do support that.
> 
>> But got the same error ... so I strongly believe that the xen-3.4.2.gz
>> part crashes already with grub2 ..
>>
>> I tried several other combination from grub> prompt pretty much the same
>>  CPU 0 panic and the numbers after (sometime sligthly different dump )
>>
> 
> We really need to see the full console output to say what's wrong.

Pasi, Sorry for the crossposting I put this in my original thread as
well but maybe helpful here..

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(XEN) Xen version 3.4.2 (root@xxxxxxxxxxxx) (gcc version 4.3.4 (Debian
4.3.4-6) ) Mon Jan 25 16:28:40 EST 2010
(XEN) Latest ChangeSet: unavailable

(XEN) Console output is synchronous.

(XEN) Command line: dummy=dummy dom0_mem=512M loglvl=all
guest_loglvl=all sync_console console_to_ring com1=9600,8n1 console=com1
(XEN) Video information:

(XEN)  VGA is text mode 80x25, font 8x16

(XEN)  VBE/DDC methods: V2; EDID transfer time: 1 seconds

(XEN) Disc information:

(XEN)  Found 2 MBR signatures

(XEN)  Found 2 EDD information structures
(XEN) Xen-e820 RAM map:
(XEN)  0000000000000000 - 000000000009d000 (usable)
(XEN)  000000000009d000 - 00000000000a0000 (reserved)
(XEN)  00000000000ce000 - 00000000000d4000 (reserved)
(XEN)  00000000000e0000 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 00000000d7f80000 (usable)
(XEN)  00000000d7f80000 - 00000000d7f98000 (ACPI data)
(XEN)  00000000d7f98000 - 00000000d7fbc000 (ACPI NVS)
(XEN)  00000000d7fbc000 - 00000000e0000000 (reserved)
(XEN)  00000000f8000000 - 00000000fc000000 (reserved)
(XEN)  00000000fec00000 - 00000000fec10000 (reserved)
(XEN)  00000000fee00000 - 00000000fee01000 (reserved)
(XEN)  00000000ff000000 - 0000000100000000 (reserved)
(XEN)  0000000100000000 - 00000001fe000000 (usable)
(XEN)  00000001fe000000 - 0000000200000000 (reserved)
(XEN)
(XEN) ****************************************
(XEN) Panic on CPU 0:
(XEN) Cannot access memory beyond end of bootstrap direct-map area
(XEN) ****************************************
(XEN)
(XEN) Reboot in five seconds...
(XEN) Unknown interrupt (cr2=00000000)
(XEN)   ff202ec4  a1e00000  00000002  ff22be54  00000086  00000002
ff1d68dc  00000000  ff14e687  0000e008  00000286  ff1d67c0  0000000a
ff1c5146  ff22b0


Gabor

> 
> -- Pasi
> 

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