Re: latest amd64 XEN3_DOMU panics at boot

[Jean-Yves Migeon <jeanyves.migeon%free.fr@localhost>]

On 16.06.2011 01:24, Mindaugas Rasiukevicius wrote:
> Xen kernels print "pmap_kenter_pa: mapping already present" messages
> during the boot and after.  While not fatal, they indicate dirty page
> table entries (PTEs), which we normally should not have.  I would guess
> that page tables are not zeroed somewhere.  Perhaps early boot code,
> xen_pmap_bootstrap() does zeroing, but not sure if correctly.
> 
> It is not a new problem, it happens with 5.99.52 (pre uvmplock merge)
> Xen kernel as well, except now diagnostic message is printed.
> 
> Thoughts?

Sort of; see

http://mail-index.netbsd.org/port-xen/2011/05/02/msg006681.html

-- 
Jean-Yves Migeon
jeanyves.migeon%free.fr@localhost