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Re: [Xen-devel] Test result of xen-unstable changeset 25259

On Tue, 2012-05-08 at 14:38 +0100, Fantu wrote:
> ---------------------------------------------
> pygrub /mnt/vm/disks/lucid.disk1.xm 
> Traceback (most recent call last):
>   File "/usr/local/bin/pygrub", line 822, in <module>
>     raise RuntimeError, "Unable to find partition containing kernel"
> RuntimeError: Unable to find partition containing kernel

/usr/local/bin? Are you sure this is the pygrub you built and installed
just now and not some other cruft?

Are you able to identify when it last worked and run a bisect? You don't
need to do a full boot of the guest, just run pygrub manually at each

> ---------------------------------------------
> About pv-grub I think it fails with:
> ... (from xl create...)
> xc: error: panic: xc_dom_bzimageloader.c:588: xc_dom_probe_bzimage_kernel:
> kernel is not a bzImage: Invalid kernel
> ...
> And after seems start as hvm domU but is not working and I must destroy it.

I think this is just a warning (which needs to be toned down), since the
pvgrub kernel isn't a bzImage, it's a simple elf file.

Your logs show it building a Mini-OS domain, not an HVM one:
        domainbuilder: detail: xc_dom_find_loader: trying ELF-generic loader ...
        domainbuilder: detail: loader probe OK
        xc: detail: elf_parse_binary: phdr: paddr=0x0 memsz=0x99ef00
        xc: detail: elf_parse_binary: memory: 0x0 -> 0x99ef00
        xc: detail: elf_xen_parse: __xen_guest:
        xc: detail: elf_xen_parse_guest_info: GUEST_OS="Mini-OS"
        xc: detail: elf_xen_parse_guest_info: XEN_VER="xen-3.0"
        xc: detail: elf_xen_parse_guest_info: VIRT_BASE="0x0"
        xc: detail: elf_xen_parse_guest_info: ELF_PADDR_OFFSET="0x0"
        xc: detail: elf_xen_parse_guest_info: HYPERCALL_PAGE="0x2"
        xc: detail: elf_xen_parse_guest_info: LOADER="generic"
        xc: detail: elf_xen_addr_calc_check: addresses:
        xc: detail:     virt_base        = 0x0
        xc: detail:     elf_paddr_offset = 0x0
        xc: detail:     virt_offset      = 0x0
        xc: detail:     virt_kstart      = 0x0
        xc: detail:     virt_kend        = 0x99ef00
        xc: detail:     virt_entry       = 0x0
        xc: detail:     p2m_base         = 0xffffffffffffffff
I think if you investigate more closely you would find it is working, at
least as far as building an running something..


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