Random server crashes every few weeks (smp_invltlb: endless loop […] retrysmp_invltlb: ipi sent)

Stefan Unterweger 232.20711 at chiffre.aleturo.com
Tue Jul 5 15:17:08 PDT 2016

Sorry for the long delay.  Other, more urgent projects kept me so busy
that I didn’t manage to catch up with this thread.

* Matthew Dillon on Fri, May 27, 2016 at 10:08:06AM -0700:
> Virtio (for block storage devices) could be the cause.  There are known
> bugs in the DragonFly driver for virtio which haven't been tracked down yet
> (not enough of the devs are using virtual hosting to be able to reproduce
> the problem in a debugable way).

My employer wants to stick with Dragonfly; we have already invested too
much time in building this system to be able to switch to another
operating system, it would cost us months to get an inferior system
built with something else.

Is there something I can to to aid in debugging this?  I cannot code,
but I could set up test machines and try out patches.  Perhaps we could
set up and pay for a virtual server for the devs and give out full
access, if that would help.  We‘re a small startup and our funds are
limited, but anything that we can do to help make this go away is
game. :o)


> On Fri, May 27, 2016 at 7:39 AM, Steve Petrie, P.Eng. <apetrie at aspetrie.net>
> wrote:
> > Greetings To DragonFlyBSD List,
> >
> > The subject of random server crashes with DragonFly running running on a
> > virtualized host machine, is of great interest (and concern) to me. Caveat:
> > I am an (almost) complete DragonFly newbie.

Du kannst natürlich genausogut die Blumen gießen und das überschüssige
Wasser aus dem Untersetzer erhitzen. Kommt bestimmt genausogut.
		-- Frank Schletz; de.alt.sysadmin.recovery über Kaffeepadmaschinen

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