Date: Wed, 24 Feb 2010 15:05:21 +0100 From: Giovanni Trematerra <giovanni.trematerra@gmail.com> To: Jacques Fourie <jacques.fourie@gmail.com> Cc: freebsd-hackers@freebsd.org Subject: Re: VirtualBox and vtophys Message-ID: <4e6cba831002240605g17cd3ed7l60b635cedba2ae77@mail.gmail.com> In-Reply-To: <be2f52431002240341g7eea52f3tc751d59b2a51806@mail.gmail.com> References: <be2f52431002240341g7eea52f3tc751d59b2a51806@mail.gmail.com>
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On Wed, Feb 24, 2010 at 12:41 PM, Jacques Fourie <jacques.fourie@gmail.com> wrote: > I've noticed that my virtualbox vboxdrv.ko started crashing after > updating my 8.0-stable install. The crash occurs when vboxdrv calls > vtophys() on a userland virtual address. Prior to r202894 this was > working fine. Modifying pmap_kextract() to use vtopte() for non-kernel > virtual adresses fixes the problem. Is it intended for vtophys() to > still work on userland virtual addresses? No, vtophys is not intended to be used along with user virtual addresses. -- Gianni
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