On Sun, Oct 03, 2010 at 10:12:58AM -0700, Ritu kaur wrote:
> Hi Pasi,
>
> I do have it as dom0_mem=256M, following is my grub.conf....
>
That's weird..
Can you please paste the full Xen boot logs (from serial console or SOL).
-- Pasi
> /**********************************************************
> # grub.conf generated by anaconda
> #
> # Note that you do not have to rerun grub after making changes to this
> file
> # NOTICE: You have a /boot partition. This means that
> # all kernel and initrd paths are relative to /boot/, eg.
> # root (hd0,0)
> # kernel /vmlinuz-version ro root=/dev/mapper/vg_f13-lv_root
> # initrd /initrd-[generic-]version.img
> #boot=/dev/sda
> default=0
> timeout=10
> splashimage=(hd0,0)/grub/splash.xpm.gz
> #hiddenmenu
> title Fedora (2.6.34.7-56.fc13.x86_64)
> root (hd0,0)
> kernel /vmlinuz-2.6.34.7-56.fc13.x86_64 ro
> root=/dev/mapper/vg_f13-lv_root rd_LVM_LV=vg_f13/lv_root
> rd_LVM_LV=vg_f13/lv_swap rd_NO_LUKS rd_NO_MD rd_NO_DM LANG=en_US.UTF-8
> SYSFONT=latarcyrheb-sun16 KEYTABLE=us rhgb quiet
> initrd /initramfs-2.6.34.7-56.fc13.x86_64.img
> title Fedora (2.6.33.3-85.fc13.x86_64)
> root (hd0,0)
> kernel /vmlinuz-2.6.33.3-85.fc13.x86_64 ro
> root=/dev/mapper/vg_f13-lv_root rd_LVM_LV=vg_f13/lv_root
> rd_LVM_LV=vg_f13/lv_swap rd_NO_LUKS rd_NO_MD rd_NO_DM LANG=en_US.UTF-8
> SYSFONT=latarcyrheb-sun16 KEYTABLE=us rhgb quiet
> initrd /initramfs-2.6.33.3-85.fc13.x86_64.img
> title Fedora Xen 4.0 with Linux 2.6.32.23 pvops dom0
> root (hd0,0)
> kernel /xen.gz dom0_mem=256M loglvl=all guest_loglvl=all
> module /vmlinuz-2.6.32.23 ro root=/dev/mapper/vg_f13-lv_root
> nomodeset
> module /initramfs-2.6.32.23.img
>
> ************************************************************************************************************/
>
> Thanks
>
> On Sun, Oct 3, 2010 at 9:54 AM, Pasi Kärkkäinen <[1]pasik@xxxxxx> wrote:
>
> On Sun, Oct 03, 2010 at 09:41:55AM -0700, Ritu kaur wrote:
> > Pasi,
> >
> > Installation/compilation of xen source on fedora core went through
> fine. I
> > am facing an issue when dom0_mem is set to 1024M. During boot I get
> the
> > message
> >
> > /*********************
> > Panic on CPU 0
> > Not enough RAM for domain 0 allocation
> > **********************/
> >
> > Same thing happens when dom0_mem is set to 512M
> >
> > when dom0_mem is set to 256M, I get following message
> >
> > /***************************
> > Panic on CPU 0
> > Domain 0 allocation is too small for kernel image
> > ****************************/
> >
> > Is 8GB ram mandatory? In my machine it is 2GB ram, inputs
> appreciated.
> >
>
> It sounds like you wrote the value wrong, ie. you didn't specify 'M' to
> make it megabytes,
> so you got kilobytes.. and thus it's too small to fit the dom0 kernel
> image there.
>
> -- Pasi
>
> > Thanks
> >
> > On Sun, Oct 3, 2010 at 9:07 AM, Ritu kaur
> <[1][2]ritu.kaur.us@[2][3]gmail.com>
> > wrote:
> >
> > Thanks Konrad, I checked my old emails(back in March 2010) to see
> if I
> > had tried this combination when I was testing xcp. I did try this
> > combination and the problem I had faced was configuration errors
> due to
> > IDE_DISK. I couldn't get past this problem. Snippets below
> >
> > /*********************************************************
> > 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.
> > >
> >
>
> ******************************************************************************************************************/
> >
> > On Fri, Oct 1, 2010 at 8:58 AM, Konrad Rzeszutek Wilk
> > <[3][4]konrad.wilk@xxxxxxxxxx> wrote:
> >
> > On Fri, Oct 01, 2010 at 08:36:03AM -0700, Ritu kaur wrote:
> > > Hi Konrad,
> > >
> > > Frankly, I am confused. XCP(which is similar to Citrix
> Xenserver but
> > > open-source and newer-kernel) requires DDK to build a kernel
> image.
> > If I
> > > understand your suggestion correctly I should be able to
> > >
> > > 1. Take PVOPS kernel code, compile it in XCP DDK and load it
> into
> > dom0
> > > 2. Take PVOPS kernel code, compile it in domU OS and load it
> into
> > domU
> > >
> > > then, I should be able to get pci-passthrough + shared
> interrupts
> > between
> > > devices working correctly? Please clarify/confirm
> >
> > Yes.
> >
> > References
> >
> > Visible links
> > 1. [5]http://ritu.kaur.us/
> > 2. [6]http://gmail.com/
> > 3. mailto:[7]konrad.wilk@xxxxxxxxxx
>
> References
>
> Visible links
> 1. mailto:pasik@xxxxxx
> 2. http://ritu.kaur.us/
> 3. http://gmail.com/
> 4. mailto:konrad.wilk@xxxxxxxxxx
> 5. http://ritu.kaur.us/
> 6. http://gmail.com/
> 7. mailto:konrad.wilk@xxxxxxxxxx
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