neelnatu at gmail.com
Thu Nov 27 19:12:24 UTC 2014
On Thu, Nov 27, 2014 at 7:02 AM, Julian Elischer <julian at freebsd.org> wrote:
> I added WITNESS to a kernel I've been running and during boot I got this
> vm exit
> reason VMX
> rip 0xffffffff8078c1a7
> inst_length 7
> status 0
> exit_reason 2
That's a triple fault (from sys/amd64/vmm/intel/vmcs.h)
#define EXIT_REASON_TRIPLE_FAULT 2
> qualification 0x0000000000000000
> inst_type 0
> inst_error 0
> Abort trap (core dumped)
> anyone have a decoder ring?
A few questions to narrow this down:
Did you add WITNESS to the guest kernel or the host kernel when this happened?
Is this readily reproducible?
Can you share the host and guest revision numbers?
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