Re: Subject: Re: port-xen/45975: panic: HYPERVISOR_mmu_update failed, ret: -22 on -current MP domU (amd64)

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

The following reply was made to PR port-xen/45975; it has been noted by GNATS.

From: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
To: "Cherry G. Mathew" <cherry%zyx.in@localhost>
Cc: gnats-bugs%NetBSD.org@localhost, port-xen-maintainer%NetBSD.org@localhost,
        gnats-admin%NetBSD.org@localhost, netbsd-bugs%NetBSD.org@localhost
Subject: Re: Subject: Re: port-xen/45975: panic: HYPERVISOR_mmu_update
 failed, ret: -22 on -current MP domU (amd64)
Date: Tue, 14 Feb 2012 20:30:38 +0100

 On Wed, Feb 15, 2012 at 12:49:38AM +0530, Cherry G. Mathew wrote:
 >     >> this shouldn't be a problem.
 > 
 > Perhaps - but if there's a stale entry pointing to the now destroyed
 > pmap pdir....
 
 The hypervisor won't allow that.
 
 > 
 > Incidentally, it looks like dom0 with MP hits this bug/symptom at boot -
 > might be easier to trigger + debug. (I don't have a dom0 setup handy).
 
 It doens't in my case (or, it didn't when I tried it some time ago)
 
 -- 
 Manuel Bouyer <bouyer%antioche.eu.org@localhost>
      NetBSD: 26 ans d'experience feront toujours la difference
 --