In any case, the !st issue, prior to any guest being launched, simply adding
@ GRUBG cfg
- GRUB_CMDLINE_XEN=" ..."
+ GRUB_CMDLINE_XEN=" dom0pvh ..."
causes boot fail,
...
(XEN) [2016-01-31 19:28:09] d0v0 EPT violation 0x1aa (-w-/r-x) gpa
0x000000f100054c mfn 0xf15
(XEN) [2016-01-31 19:28:09] d0v0 Walking EPT tables for GFN f1000:
(XEN) [2016-01-31 19:28:09] d0v0 epte 8000000845108107
(XEN) [2016-01-31 19:28:09] d0v0 epte 800000085b680107
(XEN) [2016-01-31 19:28:09] d0v0 epte 8000000844af7107
(XEN) [2016-01-31 19:28:09] d0v0 epte 80500000f1000905
(XEN) [2016-01-31 19:28:09] d0v0 --- GLA 0xffffc900006a254c
(XEN) [2016-01-31 19:28:09] domain_crash called from vmx.c:2685
(XEN) [2016-01-31 19:28:09] Domain 0 (vcpu#0) crashed on cpu#0:
(XEN) [2016-01-31 19:28:09] ----[ Xen-4.6.0_08-405 x86_64 debug=n
Tainted: C ]----
(XEN) [2016-01-31 19:28:09] CPU: 0
(XEN) [2016-01-31 19:28:09] RIP: 0010:[<ffffffff8142a4ac>]
(XEN) [2016-01-31 19:28:09] RFLAGS: 0000000000010246 CONTEXT: hvm
guest (d0v0)
(XEN) [2016-01-31 19:28:09] rax: 000000000000000d rbx:
00000000f100054c rcx: 000000009e9f
(XEN) [2016-01-31 19:28:09] rdx: 0000000000000000 rsi:
0000000000000100 rdi: ffffffff81e0
(XEN) [2016-01-31 19:28:09] rbp: ffff880164b57908 rsp:
ffff880164b578d8 r8: ffff88016d88
(XEN) [2016-01-31 19:28:09] r9: 0000000002400001 r10:
0000000000000000 r11: 000000000001
(XEN) [2016-01-31 19:28:09] r12: 0000000000000020 r13:
ffff88016453aec0 r14: ffffc900006c
(XEN) [2016-01-31 19:28:09] r15: ffff880164b57a20 cr0:
0000000080050033 cr4: 000000000000
(XEN) [2016-01-31 19:28:09] cr3: 0000000001e0b000 cr2: 0000000000000000
(XEN) [2016-01-31 19:28:09] ds: 0000 es: 0000 fs: 0000 gs: 0000
ss: 0000 cs: 0010
(XEN) [2016-01-31 19:28:09] Guest stack trace from rsp=ffff880164b578d8:
(XEN) [2016-01-31 19:28:09] Fault while accessing guest memory.
(XEN) [2016-01-31 19:28:09] Hardware Dom0 crashed: rebooting machine in
5 seconds.
...
Removing the dom0pvh gets me back up & running.
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