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cache_p
2012 Aug 10
6
qemu-xen-traditional: NOCACHE or CACHE_WB to open disk images for IDE
Hi list,
Recently I was debugging L2 guest slow booting issue in nested virtualization environment (both L0 and L1 hypervisors are all Xen).
To boot a L2 Linux guest (RHEL6u2), it will need to wait more than 3 minutes after grub loaded, I did some profile, and see guest is doing disk operations by int13 BIOS procedure.
Even not consider the nested case, I saw there is a bug reporting normal VM