On Sun, Nov 3, 2019 at 1:33 PM Mike Larkin <[email protected]> wrote:
>
> On Sun, Nov 03, 2019 at 11:01:08AM -0800, Mike Larkin wrote:
> > On Sun, Nov 03, 2019 at 03:52:00PM +0100, Martin Pieuchot wrote:
> > > When halting/rebooting a i386 VM on an amd64 host (dmesg attached), the
> > > following fault is triggered.
> > >
> > > The same happens with a self built -current kernel w/o any suspect UVM
> > > diff :o)
> > >
> >
> > Works here on an Oct 21 kernel, are you saying something went in since then
> > that started breaking this?
> >
> >
> > OpenBSD/i386 (test-i386.vm-7520.int.azathoth.net) (tty00)
> >
> > login: root
> > Password:
> > OpenBSD 6.6-current (GENERIC) #312: Mon Oct 21 21:14:28 MDT 2019
> >
> > Welcome to OpenBSD: The proactively secure Unix-like operating system.
> >
> > Please use the sendbug(1) utility to report bugs in the system.
> > Before reporting a bug, please try to reproduce it with the latest
> > version of the code.  With bug reports, please try to ensure that
> > enough information to reproduce the problem is enclosed, and if a
> > known fix for it exists, include that as well.
> >
> > You have mail.
> > -test-i386- ~> halt
> > syncing disks... done
> > vmmci0: powerdown
> >
> > The operating system has halted.
> > Please press any key to reboot.
> >
> >
> > [EOT]
> >
> >
> > I'll sysupgrade it and see if I see the problem.
> >
> > -ml
> >
>
> Yep, something went in between 21 Oct and now that broke it. I tried a 02 Nov
> snapshot as well as a kernel made from -current which includes your recent
> uvm revert, both failed:
>
> OpenBSD/i386 (test-i386.vm-7520.int.azathoth.net) (tty00)
>
> login: root
> Password:
> Last login: Sun Nov  3 11:27:50 on tty00
> OpenBSD 6.6-current (GENERIC) #0: Sun Nov  3 11:25:25 PST 2019
>
> Welcome to OpenBSD: The proactively secure Unix-like operating system.
>
> Please use the sendbug(1) utility to report bugs in the system.
> Before reporting a bug, please try to reproduce it with the latest
> version of the code.  With bug reports, please try to ensure that
> enough information to reproduce the problem is enclosed, and if a
> known fix for it exists, include that as well.
>
> You have mail.
> -test-i386- ~> halt
> kernel: protection fault trap, code=0
> Stopped at      pmap_apte_flush+0x6:    movl    %eax,%cr3
> ddb>
>
>
> i386 pmap hasn't been changed in ages, so this likely came from elsewhere. I
> made a quick trip through source-changes but couldn't find any likely 
> suspects.
>

Please check if reverting the reaper changes by visa@ works fine?
https://marc.info/?l=openbsd-cvs&m=157267269717648&w=2

Thanks

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