[kernel-xen] Problems booting Xen Dom0 on IBM X3550 M3
pfessel at gmail.com
Wed Feb 4 00:43:38 AEDT 2015
I'm updating some components of the server's firmware (including EFI) and
will reboot in a few more minutes. I will let you know how things will be.
2015-02-02 23:22 GMT-02:00 Steven Haigh <netwiz at crc.id.au>:
> On 03/02/15 12:11, Paulo Fessel wrote:
> > Hello, gents.
> > Today I was trying to set up Xen according to the instructions on Xen
> > made easy webpage (http://xen.crc.id.au/support/guides/install/) using
> > CentOS 6.6 as basis for the installation on an IBM Xseries 3550 M3, with
> > 12 GB RAM, 2 processor packages (12 HT cores). No problems installing
> > CentOS either on EFI or legacy mode; OTOH I have not managed to boot Xen
> > neither on EFI nor in legacy mode.
> > When in EFI mode, grub just can't boot Xen, more or less just like what
> > is described on
> > ("error 13: invalid or unsupported executable format"), except that I
> > don't get the error message (probably to EFI graphic driver issues).
> > Otherwise, the result is very much the same: when I press any key I'm
> > taken back into the Grub boot menu. The only kernels I get to boot on an
> > EFI installation are the standard CentOS ones.
> Yeah - right now I don't have anything that will boot with an EFI bios
> for testing. As such, I've been unable to verify if / what / how things
> should proceed and be packaged.
> The Xen 4.5.0 packages may work when I get to do some testing on them
> using EFI to boot - but I still don't have any EFI hardware to test with
> - as such it may well be at a 'builds & packages but untested' status.
> Donations of EFI kit welcome :)
> > After a complete reinstallation using now the legacy mode boot, I get to
> > boot the Xen hypervisor; however, by the time the boot is complete (and
> > I should say, after the NIC card is activated) I get the following
> I would expect that legacy mode booting would work properly.
> > /Uhhuh. NMI received for unknown reason 3d on CPU 0.
> > Dazed and confused, but trying to continue
> > Do you have a strange power saving mode enabled?
> > /And then the system reboots. I have no time to logging in and check the
> > actual error messages; I can't see nothing on syslog related to the
> > reboot, or even related to the boot of Dom0. This behavior is somewhat
> > similar to a report I've seen on XenServer.org
> > (https://bugs.xenserver.org/browse/XSO-195); however, setting
> > "nmi=ignore" does not solve the issue, just prevents the message to
> > appear on system console. Disabling HT also does not solve the problem.
> > The entries for grub seem to be in the correct places, and in legacy
> > mode Dom0 is actually booted, but does not survive. Any hints?
> I wonder if this is a BIOS bug? Is there an updated bios that can be
> applied to that system?
> Steven Haigh
> Email: netwiz at crc.id.au
> Web: http://www.crc.id.au
> Phone: (03) 9001 6090 - 0412 935 897
> kernel-xen mailing list
> kernel-xen at lists.wireless.org.au
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