On Wed, May 22, 2013 at 4:56 PM, Wei, Gang <gang....@intel.com> wrote:
> henry del wrote on 2013-05-22:
> >> We just expect tboot to be used together with VMM/Kernel with tboot
> >> support. The tboot support should be confirmed before adding tboot to
> >> the control flow. So we don't add any interface in Xen/Linux to
> >> indicate the tboot support to tboot in the runtime.
> >
> > I see what you are conveying. So, it is possible for tboot to boot a
> hypervisor
> > (bitvisor), even though bitvisor does not support tboot. Nevertheless,
> bitvisor
> > still can not be booted by tboot. I also checked the log that tboot
> produces
> > when tboot is being loaded. The system always reboots after the log
> prints
> out:
> > no LCP module found, kernel is elf format. According to the tboot spec,
> the log
> > is expected to continue printing: transfering control to ...@0x... But it
> does not
> > and system begins to reboot.
> > I wonder if the menuentry of tboot is configured right.
> > menuentry 'Tboot, with Linux 3.2.2' --class ubuntu --class gnu-linux
> --class
> > gnu --class os {
> > recordfail insmod ext2 set root='(hd0,6)' search --no-floppy
> > --fs-uuid --set b99ce3bb-2938-44e9-8277-cc5c8f942e81 multiboot
> > /boot/tboot.gz tboot.gz logging=serial,vga,memory module
> > /boot/bitvisor.elf bitvisor.elf module /boot/vmlinuz-3.2.2
> > vmlinuz-3.2.2 root=UUID=b99ce3bb-2938-44e9-8277-cc5c8f942e81 ro
> > rootdelay=120 #multiboot /boot/bitvisor.elf bitvisor.elf
> > #module (hd0)+6 module /boot/initrd.img-3.2.2 initrd.img-3.2.2
> > module /boot/2nd_gen_i5_i7_SINIT_51.BIN
> > 2nd_gen_i5_i7_SINIT_51.BIN #module /boot/list.data list.data
> > }
>
> >Which version of tboot are you using? Can you have a try with the
> upstream tboot code?
> I have tried version 1.7.1 and the latest version 1.7.3. Both of them
> did not work and I could not figure out the possible reasons.
Tboot just does not transfer control to the bitvisor in the function:
> load_kernel( located in loader.c). Specifically, the function
> jump_elf_image(kernel_entry_point) has not being executed. The result
> causes the system reboot.
>
Thanks!
henry
>Jimmy
>
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