Xen project Mailing List

Hi,

What kernel as you running?

Thanks

Ian

From: Antonio Colin [mailto:dftonywhite@xxxxxxxxxxx]
Sent: 25 September 2011 23:01
To: Ian Tobin; Xen Users List
Subject: RE: [Xen-users] Debian 6 as Dom0 not booting on Xen 4.1.1

Hello,

Sorry for the late reply but I was doing some testing on recompiling the kernel from scratch.
Actually I have get rid of the previously described errors. This was by activating again the same
two features of DEVTMPFS. Now I honestly am consused when starting Dom0 kernel + Xen
it stops at: Loading, please wait... (never continuing in black screen)

Later booting on - linux + xen + (recovery mode) -, it stops at:

Loading, please wait...
udev [966]: starting version 164
hrtimer: interrupt took 2701681 ns

I've found this is a bug in some VMs https://lkml.org/lkml/2010/3/30/719
But the patch doesn't fix anything it just delays what is unavoidable.

It actually detects the disk controllers because dmesg and lspci report they are working well when
booting linux 3.0.0 alone. I have also installed new version of UDEV.. 172-1 but later downgraded
to 164-3 since it is unstable and triggered more issues.

I think there could be an option in the kernel config I should either activate or deactivate which can
be related to this.

Thank you!

Tony.

Subject: Re: [Xen-users] Debian 6 as Dom0 not booting on Xen 4.1.1
From: itobin@xxxxxxxxxxxxx
Date: Sat, 24 Sep 2011 13:53:17 +0100
To: dftonywhite@xxxxxxxxxxx
CC: xen-users@xxxxxxxxxxxxxxxxxxx

Hi,

Could it be it's not detecting your disk controllers?

What are you using?

Thanks

Ian

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On 24 Sep 2011, at 08:48, "Antonio Colin" <dftonywhite@xxxxxxxxxxx> wrote:

Hello Ian,

Thanks for your replay! I have just done the same things you did and nothing changed.
After booting Xen the same error appears.

I dare to think it is something related either to a .deb package missing or a kernel config
option I missed. But what would they be if those can be my mistakes?

Thank you

Tony.
Subject: RE: [Xen-users] Debian 6 as Dom0 not booting on Xen 4.1.1
Date: Fri, 23 Sep 2011 23:43:13 +0100
From: itobin@xxxxxxxxxxxxxx
To: dftonywhite@xxxxxxxxxxx; xen-users@xxxxxxxxxxxxxxxxxxx
CC:
Hi,

I had this and couldn’t figure out what is was. In the end I removed the modules from /lib/modules and the kernel files in /boot then reinstalled and made the new initrd. Worked after.

Thanks

Ian

From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Antonio Colin
Sent: 23 September 2011 23:07
To: Xen Users List
Subject: [Xen-users] Debian 6 as Dom0 not booting on Xen 4.1.1

Hi everyone,

I have compiled and installed Linux 3.0.0 and Xen 4.1.1 on Debian Squeeze, both from source and enabling this two options:

CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y

The problem arises when booting Xen. After its startup, it seems that it cannot correctly load Dom0 devices since it says:

Loading, please wait...
Mount: mounting none on /dev failed: No such device
w: devtmpfs not available, falling back to tmpfs for /dev
udevd[972]: Worker [978] unexpectedly returned with status 0x0100

Anyone has an idea of what I am doing wrong? Does it need any package or do I need to rebuild initramfs?

Thank you in advance,
Tony.

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