On Thu, May 05, 2016 at 10:20:51PM +0000, Marcin Cieslak wrote:
> On Thu, 5 May 2016, Roger Pau Monné wrote:
> > On Sat, Apr 30, 2016 at 08:56:54PM +0000, Marcin Cieslak wrote:
> > > > 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
> > Hello,
> > I've been able to debug this and found the issue. I have two patches that
> > should be applied to FreeBSD in order to fix it, they can be found at:
> > https://people.freebsd.org/~royger/privcmd_fixes/
> > Could you please give them a try?
> > I have however been unable to boot a Solaris 11.3 guest under PV mode, but
> > at least the host is not crashing anymore :).
> Thanks, I can confirm that the patches fix the crash for me.
> The half-life of PV Solaris is still under the microsecond.
> Btw. I have managed to get gdbsx going by replacing "/proc/xen/privcmd"
> with "/dev/xen/privcmd".
> Indeed, the state of Solaris is pretty bad:
> - Solaris 11.3 under HVM boots, but the installer complains there
> are no local disks (which is not true, even device nodes are there
> under /dev/dsk/ ... )
That's quite weird, under HVM disks are available using both the emulated
and the PV interfaces, and Solaris 11.3 should certainly support the
emulated ones. IIRC they are AHCI.
> - OpenIndiana (OI-hipster-text-20160421.iso as HVM) hangs after printing
> out the kernel version message
> - SmartOS (smartos-20160428T170316Z.iso)
> seems to work at first, but after the initial configuration
> it cannot bring the network interface up because its link
> state is unknown (tried model=e1000 and the default Realtek):
> [root@master0 ~]# dladm show-phys
> LINK MEDIA STATE SPEED DUPLEX DEVICE
> e1000g0 Ethernet unknown 0 half e1000g0
Hm, AFAICT this doesn't look related to FreeBSD, but just to be sure, could
you try the same with a Linux Dom0?
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