KVM guest dropping dead

[Robert Heller]

At Sun, 08 Nov 2020 07:53:14 +1100 kauer at biplane.com.au, "Ubuntu user technical support,  not for general discussions" <ubuntu-users at lists.ubuntu.com> wrote:

> 
> On Sat, 2020-11-07 at 08:02 -0500, Robert Heller wrote:
> > > Does anyone have a clue as to why this might happen? A KVM guest
> > > just dies, with no warning
> > > [...]
> > > 2020-11-07 04:32:24.907+0000: shutting down, reason=crashed
> > 
> > Exactly what O/S is the guest running?  What "hardware" is being 
> > used or simulated?  How much memory is allocated to the guest?  How
> > many cores? 
> 
> Running on on Intel i7 6 cores, allocated one core (KVM reports 2
> because two threads) with 4GB RAM. Skylake-Client-IBRS. Running default
> networking, so NAT.
> 
> x86_64, /usr/bin/qemu-system-x86_64, Q35, BIOS, default "hardware".
> 
> Was more interested in an answer to the question "Is there any way to
> debug this?"

What O/S is the *GUEST* running?  That is, what O/S did you install in the 
guest?

> 
> Thanks, K.
> 
> PS: Rebooted the host and the guest hasn't died since...
> 

-- 
Robert Heller             -- Cell: 413-658-7953 GV: 978-633-5364
Deepwoods Software        -- Custom Software Services
http://www.deepsoft.com/  -- Linux Administration Services
heller at deepsoft.com       -- Webhosting Services