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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] pci-passthrough and shared interrupts
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 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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