Re: domU guest for xcp 0.1.1

[Ritu kaur <ritu.kaur.us@gmail.com>]

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Thanks Pasi. When will new xcp with 2.6.32 kernel be released?

Replies inline...

On Mon, Apr 5, 2010 at 11:03 PM, Pasi Kärkkäinen <pasik@iki.fi> wrote:

> On Mon, Apr 05, 2010 at 09:00:59PM -0700, Ritu kaur wrote:
> >    Thanks Konrad.
> >
> >    I downloaded new code and still doesn't work(albeit different
> problem). I
> >    will enumerate them below
> >
> >    (Please note 1, 2 and 3 are seen with old xen/next as well). What
> seemed
> >    simple testing of pci passthrough via config changes doesn't seem to
> be
> >    the case.
> >
> >    1. mkinitrd doesn't work in xcp ddk. I get below errors
> >
> >    mkinitrd -f ./initrd-2.6.32.ing 2.6.32
> >    modinfo: could not find module ide-disk
> >    No module ide-disk found for kernel 2.6.32, aborting.
> >
>
> Did you install the modules after you compiled the kernel?
> Did you run "depmod -a <kernelversion>" ?
>
>
yes I have done it and still the same problem.


> >    I copied ide-disk.ko from
> >
>  /lib/modules/2.6.27.42-0.1.1.xs0.1.1.737.1065xen/kernel/drivers/ide/ide-disk.ko(just
> >    to check what other errors arise from mkinitrd in xcp ddk), I get
> >
>
> You can't modules from a different kernel version!!!
>
>
I understand that. Just want to check what additional problems arise.


> >    mkinitrd -f ./initrd-2.6.32.ing 2.6.32
> >    modinfo: could not find module ide-disk
> >    modinfo: could not find module dm-mem-cache
> >    modinfo: could not find module dm-message
> >    modinfo: could not find module dm-raid45
> >
>
> Looks like you didn't install the modules from the new kernel.
>

I have installed modules via "make modules_install" and depmod as well.


>
> >    2. Looked into .config I have(generated via make menuconfig) and there
> >    isn't anything on IDEDISK. I cross checked config file that comes with
> xcp
> >    source code it has
> >    ...
> >    CONFIG_BLK_DEV_IDEDISK=m
> >    CONFIG_IDEDISK_MULTI_MODE=y
> >    ...
> >
>
> XCP default kernel is 2.6.27. You're trying to use 2.6.32.
> There might have been changes between the kernel versions.
>
> >    I copied above configs into my .config and when I run make(it asks
> some
> >    IDE config related questions ) and these configs are deleted after
> that. I
> >    have tried all options "y/n/m" to the questions and same result.
> >
> >    3. I downloaded .config file from
> >    [1]
> http://pasik.reaktio.net/xen/pv_ops-dom0-debug/config-2.6.32.10-pvops-dom0-xen-stable-x86_32
> >
> >    there isn't IDEDISK config in it either and in addition "make tar-pkg"
> >    doesn't work with this .config file. I get following errors
> >
>
> If ide-disk module is not used/required anymore in 2.6.32, then you should
> remove it from /etc/modprobe.conf so that mkinitrd doesn't try to include
> it!
>
> (replace it with the proper new module name).
>
> >    DEPMOD  2.6.32
> >
> >    /bin/sh: line 1:  3341 Killed                  /sbin/depmod -ae -F
> >    System.map -b /root/kernel/linux-2.6.32/tar-install 2.6.32
> >    make[3]: *** [_modinst_post] Error 137
> >    make[2]: *** [sub-make] Error 2
> >    make[1]: *** [tar-pkg] Error 2
> >    make: *** [tar-pkg] Error 2
> >
> >    4. I tried with the vmlinuz and initrd image built from "2" above(I
> know
> >    initrd image is not correct, I just wanted to try) and I get
> >
> >    [0.000000] ERROR: Unable to locate IOAPIC for GSI 2
> >    [0.000000] ERROR: Unable to locate IOAPIC for GSI 9
> >    [0.000000] ERROR: Unable to locate IOAPIC for GSI 2
> >    [0.000000] ERROR: Unable to locate IOAPIC for GSI 9
> >    [0.493572] registering netback
> >    Red Hat nash version 5.1.19.6 starting
> >    einsmod: error inserting 'lib/ide-disk.ko': -1 Invalid module format
> >
>
> "Invalid module format" means it's from a different kernel and cannot be
> used with this kernel.
>
> >    indmos: error inserting '/lib/dm-region-hash.ko': -1 File Exists
> >    mount: could not fine filesystem '/dev/root'
> >    setuproot: moving /dev failed: No such file or directory
> >    setuproot: error mounting /proc: No such file or directory
> >    setuproot: error mounting /sys: No such file or directory
> >    switchroot: mount failed: No such file or directory
> >    [0.905987] Kernel panic - not syncing: Attempted to kill init!
> >
> >    Let me know how to proceed on this.
> >
>
> Install for example Fedora 12, or any other distro that has 2.6.32 kernel
> as a default, and check which modules are used for your hardware,
> then replace "ide-disk" in modprobe.conf with the actual module.
>

Will look into it.

Thanks

>
> -- Pasi
>
>
> >    Thanks
> >
> >    On Mon, Apr 5, 2010 at 10:00 AM, Konrad Rzeszutek Wilk
> >    <[2]konrad.wilk@oracle.com> wrote:
> >
> >      On Mon, Apr 05, 2010 at 07:10:22AM -0700, Ritu kaur wrote:
> >      > Hello,
> >      >
> >      > Any inputs folks on xen debugs provided? dom0 crashes when
>  xen/next
> >      kernel
> >
> >      What you are hitting should have been fixed a week ago. Are you up
> to
> >      the latest in xen/next? Did you do 'git pull' ? Do you see this as
> the
> >      latest when you do 'git log | head':
> >
> >       git log | head -5
> >      commit 900f6d725874ca97c21cdc5a2c4e05bd62db4e86
> >      Merge: f2530fa 89689b1
> >      Author: Jeremy Fitzhardinge <[3]jeremy.fitzhardinge@citrix.com>
> >      Date:   Thu Apr 1 14:24:30 2010 -0700
> >
> > References
> >
> >    Visible links
> >    1.
> http://pasik.reaktio.net/xen/pv_ops-dom0-debug/config-2.6.32.10-pvops-dom0-xen-stable-x86_32
> >    2. mailto:konrad.wilk@oracle.com
> >    3. mailto:jeremy.fitzhardinge@citrix.com
>
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@lists.xensource.com
> > http://lists.xensource.com/xen-devel
>
>

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