Re: [Xen-users] Xen 3.4.2 hypervisor crash, Cannot access memory beyond end of bootstrap direct-map area, Unknown interrupt

[Pasi Kärkkäinen <pasik@xxxxxx>]

CCing to xen-devel and Keir.

Keir: Have you seen this Xen hypervisor crash earlier? serial log below..

-- Pasi

On Thu, Jan 28, 2010 at 03:47:20PM -0500, Gabor Szilagyi wrote:
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> Pasi Kärkkäinen wrote:
> > On Thu, Jan 28, 2010 at 03:00:09PM -0500, Gabor Szilagyi wrote:
> > 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..
> > 
> > 
> >> Ok.. Hmm.. weird crash. Try removing "sync_console console_to_ring" from 
> >> the xen options. 
> > 
> >> Does that make a difference?
> 
> No unfortunately no difference: (note that I did make clean make
> install-xen) just to make sure it compiled right ... but the crash is
> identical...
> 
>  __  __            _____ _  _    ____
>  \ \/ /___ _ __   |___ /| || |  |___ \
>   \  // _ \ '_ \    |_ \| || |_   __) |
>   /  \  __/ | | |  ___) |__   _| / __/
>  /_/\_\___|_| |_| |____(_) |_|(_)_____|
> 
> (XEN) Xen version 3.4.2 (root@xxxxxxxxxxxx) (gcc version 4.3.4 (Debian
> 4.3.4-6) ) Thu Jan 28 15:41:41 EST 2010
> (XEN) Latest ChangeSet: unavailable
> (XEN) Command line: dummy=dummy dom0_mem=512M loglvl=all
> guest_loglvl=all 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  00000001
> ff1d68dc  00000000  ff14e687  0000e008  00000286  ff1d67c0  0000000a
> ff1c5146  ff22b0
> 
> 
> > 
> >> -- Pasi
> > 
> > Press CTRL-A Z for help on special keys
> > 
> > 
> > 
> >  __  __            _____ _  _    ____
> > 
> >  \ \/ /___ _ __   |___ /| || |  |___ \
> > 
> >   \  // _ \ '_ \    |_ \| || |_   __) |
> > 
> >   /  \  __/ | | |  ___) |__   _| / __/
> > 
> >  /_/\_\___|_| |_| |____(_) |_|(_)_____|
> > 
> > 
> > 
> > (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
> >>>>
> 
> - --
> +-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-+
> | Gabor Szilagyi (Mr.)                    Gabor.Szilagyi@xxxxxxxxxxxx |
> | Computer System Adm.                        http://www.nyo.unep.org |
> | UNEP/New York Office      Tel: +1-212-963-7781/Fax: +1-212-963-7341 |
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