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

[Peter Braun <xenware@xxxxxxxxx>]

Little progress.

I took .config from Ubuntu 10.04 server headers and compiled jeremy
git kernel with it.
Obviously its almost full kernel config enabled.

I tried to boot xen with it - I can see the output - but it ends with panic.

Please see enclosed screenshot.

Grub entry looks like this:

menuentry "Xen 4.0.1-rc4-pre / Ubuntu 10.4 kernel 2.6.32.16 pvops" {
insmod ext2
set root='(hd0,1)'
multiboot (hd0,1)/xen-4.0.1-rc4-pre.gz dom0_mem=1024M dummy=dummy
com1=115200,8n1 console=com1,tty,vga com1=115200,8n1
module (hd0,1)/vmlinuz-2.6.32.16 dummy=dummy root=/dev/sda1 ro nopat
console=tty0 console=ttyS0,115200n8
}

But still cant get serial output, but at least I can see error on the
screen outpu.

Any idea?

Peter

2010/7/15 Matej Zary <matej.zary@xxxxxxxxx>:
> And also there's link to this dedicated wiki page - 
> http://wiki.xensource.com/xenwiki/XenSerialConsole.
>
>
> Regards
>
> Matej
>
> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Boris Derzhavets
> Sent: Thursday, July 15, 2010 1:30 PM
> To: Peter Braun
> Cc: Xen List
> Subject: Re: [Xen-users] Troubleshooting Xen 4.0 + 2.6.32.16 pv_ops install
>
>> How to get serial output of dom0 kernel?
> View http://wiki.xensource.com/xenwiki/XenParavirtOps. Sample is there.
>
> Boris.
>
> --- On Thu, 7/15/10, Peter Braun <xenware@xxxxxxxxx> wrote:
>
>
>
>        From: Peter Braun <xenware@xxxxxxxxx>
>        Subject: Re: [Xen-users] Troubleshooting Xen 4.0 + 2.6.32.16 pv_ops 
> install
>        To: "Boris Derzhavets" <bderzhavets@xxxxxxxxx>
>        Cc: "Xen List" <xen-users@xxxxxxxxxxxxxxxxxxx>
>        Date: Thursday, July 15, 2010, 7:23 AM
>
>
>        Yes, its working.
>        I use it for testing for long time.
>        How to get serial output of dom0 kernel?
>
>        2010/7/15, Boris Derzhavets <bderzhavets@xxxxxxxxx>:
>        >> Also me myself  booted this kernel config correctly in vmware 
> machine
>        >> with
>        >  mirror sw configuration.
>        >
>        > It's a bit confusing.
>        > Are you saying , that you loaded Xen Hypervisor in VMWare VM and then
>        > tried to load kernel with Dom0 support in the same VM under Xen ?
>        >
>        > Boris.
>        >
>        > --- On Thu, 7/15/10, Peter Braun <xenware@xxxxxxxxx> wrote:
>        >
>        > From: Peter Braun <xenware@xxxxxxxxx>
>        > Subject: [Xen-users] Troubleshooting Xen 4.0 + 2.6.32.16 pv_ops 
> install
>        > To: "Xen List" <xen-users@xxxxxxxxxxxxxxxxxxx>
>        > Date: Thursday, July 15, 2010, 6:37 AM
>        >
>        > Hi,
>        >
>        > I have several servers Supermicro - running Xen 3.4.1 @ debian 5.0 
> x64
>        > running without any issues for more than year.
>        >
>        > Now I bought new server with exactly same config and installed Ubuntu
>        > 10.04 x64 - Xen 4.0.1-rc4 - 2.6.32.16 pv_ops
>        >
>        > - base Ubuntu 10.04 install boot without issues
>        > - Xen 4.0.1-rc4 compiled and installed withou any problems
>        > - 2.6.32.16 pv_ops dom0 kernel with custom config. That config has
>        > Boris verified as working here in mailing list.
>        >   Also me mysel booted this kernel config correctly in vmware machine
>        > with mirror sw configuration.
>        >
>        > I tried to boot dom0 kernels:
>        > - from older machines 2.6.18.8
>        > - Debian 2.6.32 backports
>        > with same result - reboot after Xen 4.0.1
>        >
>        > Boot process:
>        > Xen 4.0.1 part boots OK afterward processing dom0 kernel get machine
>        > to hard reset. I dont see anything on screen.
>        > The machine is remote - i have supermicro KVM console connection.
>        > There is option for serial console output.
>        >
>        >
>        > Please can you point me how to troubleshoot this ?
>        >
>        > Thanks
>        >
>        > Peter
>        >
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>        >
>        >
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