Re: [Xen-users] Troubleshooting Xen 4.0 + 2.6.32.16 pv_ops install

[Peter Braun <xenware@xxxxxxxxx>]

OK so here is my result:

Mainboad Supemicro X8DTT-F
http://www.supermicro.com/products/motherboard/QPI/5500/X8DTT-F.cfm

CPU Xeon X5650

Debian 5.0 x64

Xen 4.0.1-rc4 x64

Kernels:
1) xenified 2.6.18.8 dom0 --- OK
2) xen + pv_ops 2.6.31.13 dom0 --- OK
3) xen + pv_ops 2.6.32.16 dom0 --- stops booting at "Write protecting
the kernel read-only data: 7224k"
4) pv_ops 2.6.32.16 same kernel as 3) --- baremetal boots OK
5) xen + pv_ops 2.6.32.16 dom0 in VMware VM on different machine --- OK
6) xen + 2.6.34 dom0 from brand new OpenSUSE 11.3 --- OK
7) 2.6.33.x pv_ops - compile errors

My motherborad has lastest BIOS, several tests done with different
BIOS and kernel configs.

So my conclusion is that there is something wrong in combination Xen
4.0.1-rc4 + 2.6.32.16 pv_ops + X8DTT-F

Since 2.6.32 pv_ops kernel should be "long term support" I would like
to use this one, but currently its not working for me.

If anybody has idea how to troubleshoot / make it working - please give me.


Br

Peter




2010/7/16 Peter Braun <xenware@xxxxxxxxx>:
> I gave up on Ubuntu 10.04 and tried Debian 5.0 x64.
>
> Still using 4.0.1-rc4 and jeremy git kernel 2.6.32.16
>
> Things little changed:
>
> 1) I can succesfully boot xenified 2.6.18.8 dom0 kernel!
>
> 2) 2.6.32.16 pv_ops kernel boot stops at point
>    "Write protecting the kernel read-only data: 7224k"
>    Than machinge reboots
>
> Grub entry:
>
> title        Xen 4.0, Linux kernel 2.6.32.16
> root         (hd0,0)
> kernel       /xen-4.0.gz dom0_mem=1024M loglvl=all guest_loglvl=all
> module       /vmlinuz-2.6.32.16 root=/dev/sda2 ro nomodeset
>
>
> title        Xen 4.0, Linux kernel 2.6.18.8
> root         (hd0,0)
> kernel       /xen-4.0.gz dom0_mem=1024M loglvl=all guest_loglvl=all
> module       /vmlinuz-2.6.18.8-xen0 root=/dev/sda2 ro nomodeset
>
> Kernel config included.
>
>
>
> Br
>
> Peter
>

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