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Date:      Sun, 07 Jul 2013 13:29:01 -0700
From:      Cy Schubert <Cy.Schubert@komquats.com>
To:        =?ISO-8859-1?Q?Bernhard_Fr=F6hlich?= <decke@FreeBSD.org>
Cc:        Cy Schubert <Cy.Schubert@komquats.com>, svn-ports-head@freebsd.org, svn-ports-all@freebsd.org, ports-committers@freebsd.org
Subject:   Re: svn commit: r322228 - in head/emulators/virtualbox-ose: . files
Message-ID:  <201307072029.r67KT1gd010380@slippy.cwsent.com>
In-Reply-To: Message from =?ISO-8859-1?Q?Bernhard_Fr=F6hlich?=  <decke@FreeBSD.org> of "Sun, 07 Jul 2013 17:09:55 %2B0200." <CAE-m3X096bq%2Ba6on9n1-ak8QR7fibY-vMDyBGfZ3f7eomvvTLg@mail.gmail.com>

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In message <CAE-m3X096bq+a6on9n1-ak8QR7fibY-vMDyBGfZ3f7eomvvTLg@mail.gmail.c
om>
, =?ISO-8859-1?Q?Bernhard_Fr=F6hlich?= writes:
> On Sat, Jul 6, 2013 at 9:18 AM, Cy Schubert <Cy.Schubert@komquats.com> wrote:
> > In message <201307031256.r63CumMZ068599@svn.freebsd.org>, Bernhard
> > Froehlich wr
> > ites:
> >> Author: decke
> >> Date: Wed Jul  3 12:56:48 2013
> >> New Revision: 322228
> >> URL: http://svnweb.freebsd.org/changeset/ports/322228
> >>
> >> Log:
> >>   - Changing RAM for a VM was broken in the GUI because there was no
> >>   implementation for FreeBSD that could calculate available RAM.
> >>
> >>   PR:         ports/180086
> >>   Submitted by:       Martin Birgmeier <Martin.Birgmeier@aon.at>
> >
> > Previously I replied that this patch didn't work for me. The following did
> > work.
> 
> Could you please describe the idea behind the patch a bit because it does
> not immediately make sense so me why removing the check is a good idea.

Here is an improved patch.

Index: files/patch-src-VBox-Runtime-r3-freebsd-RTSystemQueryTotalRam-freebsd
.cpp
===================================================================
--- files/patch-src-VBox-Runtime-r3-freebsd-RTSystemQueryTotalRam-freebsd.cp
p	(revision 322458)
+++ files/patch-src-VBox-Runtime-r3-freebsd-RTSystemQueryTotalRam-freebsd.cp
p	(working copy)
@@ -55,7 +55,7 @@
 +				   includes non-main memory as well */
 +    *pcb = 0;
 +    if (sysctl(mib, 2, pcb, &pcblen, NULL, 0) == 0) {
-+	if (pcblen == sizeof(*pcb))
++	if (pcblen == sizeof(*pcb) || pcblen == sizeof(uint32_t))
 +	    return VINF_SUCCESS;
 +	else
 +	    return VERR_NO_MEMORY;	/* XXX */
@@ -74,7 +74,7 @@
 +    mib[1] = HW_USERMEM;
 +    *pcb = 0;
 +    if (sysctl(mib, 2, pcb, &pcblen, NULL, 0) == 0) {
-+	if (pcblen == sizeof(*pcb))
++	if (pcblen == sizeof(*pcb) || pcblen == sizeof(uint32_t))
 +	    return VINF_SUCCESS;
 +	else
 +	    return VERR_NO_MEMORY;	/* XXX */

The idea behind this is that I'm running it on a 32-bit system and it 
returns a 32-bit pcb.


-- 
Cheers,
Cy Schubert <Cy.Schubert@komquats.com>
FreeBSD UNIX:  <cy@FreeBSD.org>   Web:  http://www.FreeBSD.org

	The need of the many outweighs the greed of the few.







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