Booting Solaris 11.3 (was Re: Booting r298488 as Xen Dom0 may break ZFS pool?)

[Marcin Cieslak]

On Fri, 29 Apr 2016, Roger Pau Monné wrote:

> On Thu, Apr 28, 2016 at 08:01:23PM +0000, Marcin Cieslak wrote:
> > On Tue, 26 Apr 2016, Roger Pau Monné wrote:
> > 
> > > On Tue, Apr 26, 2016 at 10:39:06AM +0000, Marcin Cieslak wrote:
> > > > By the way, I just managed to crash a whole machine by trying to
> > > > boot Solaris 11.3:
> > > > 
> > > > # builder = "hvm"
> > > > memory = 2048
> > > > vcpus = 1
> > > > name = "Solaris0"
> > > > disk = [ 'file:/root/sol-11_3-text-x86.iso,6:cdrom,r', '/dev/zvol/zroot/solaris0,raw,hda,w' ]
> > > > kernel = "/root/xen/solaris/unix"
> > > > ramdisk = "/root/xen/solaris/boot_archive"
> > > > extra = "/platform/i86xpv/kernel/amd64/unix -B console=ttya,livemode=text"
> > > > #boot = "c"
> > > > usbdevice = 'tablet'
> > > > vnc = 1
> > > > vnclisten = '0.0.0.0'
> > > > vif = [ 'bridge=bridge0' ]
> > > > 
> > > > /root/xen/solaris/unix and /root/xen/solaris/boot_archive where extracted from sol-11_3-text-x86.iso
> > > > ("Intel text-only image").
> > > 
> > > I don't think you can boot Solaris as a PV guest anymore, you should instead 
> > > boot it as a HVM guest. You will have to remove the kernel and ramdisk 
> > > options and instead add builder="hvm" (that you have left commented out).
> > 
> > However supported or not, I think it should not crash a whole host system?...
> 
> Certainly. I assumed that you meant it crashed the VM, not the whole host. 
> Can you please provide the trace of the crash?

Apologies, forgot to let Xen keep VGA:

http://marcincieslak.com/tmp/xencrash.png

Manual OCR:

FreeBSD/amd64 (o.saper.info) (xc0)

login: (XEN) vmx.c:2464:d0v0 EPT violation 0x182 (-w-/---), gpa 0x0000010178f000
(XEN) p2m-ept.c:916:d0v0 Walking EPT tables for domain 0 gfn 10178f
(XEN) p2m-ept.c:922:d0v0  gfn exceeds max_mapped_pfn 10178e
(XEN) vmx.c:2469:d0v0  --- GLA 0x809f18000
(XEN) domain_crash called from vmx.c:2471
(XEN) Domain 0 (vcpu#0) crashed on cpu#0:
(XEN) ----[ Xen-4.5.2  x86_64  debug=n  Not tainted ]----
(XEN) CPU:    0
(XEN) RIP:    0043:[<000000080147bb94)]
(XEN) RFLAGS: 0000000000010206   CONTEXT: hvm guest (d0v0)
(XEN) rax: 0000000000000000   rbx: 0000000010f18000   rcx: 0000000002000000
(XEN) rdx: 0000000000000000   rsi: 0000000000000000   rdi: 0000000809f18000
(XEN) rbp: 00007fffffffe100   rsi: 00007fffffffe0a8   r8:  0000000010f18000
(XEN) r9:  00007fffffffdfc0   r10: 000000080170058e   r11: 0000000809000000
(XEN) r12: 000000080286a2d8   r13: 0000000000010f18   r14: 0000000801700a3b
(XEN) r15: 000000080286a000   cr0: 0000000080050033   cr4: 00000000000406e0
(XEN) cr3: 000000000fa21000   cr2: 0000000809f18000
(XEN) ds: 003b   es: 003b   fs: 0013   gs: 001b   ss: 003b   cs: 0043
(XEN) Guest stack trace from rsp=00007fffffffe0a8:
(XEN)   Fault while accessing guest memory.
(XEN) Domain 0 crashed: 'noreboot' set - not rebooting.