Date: Thu, 31 Jan 2002 12:37:44 -0500 (EST) From: Robert Watson <rwatson@freebsd.org> To: Glenn Gombert <ggombert@imatowns.com> Cc: Logan weaponx <loganweaponx@hotmail.com>, freebsd-current@freebsd.org Subject: Re: vmware Message-ID: <Pine.NEB.3.96L.1020131123645.79339D-100000@fledge.watson.org> In-Reply-To: <3.0.6.32.20020131115800.00db6480@imatowns.com>
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Have to wonder if it wouldn't be worth e-mailing the VMware people about
this -- they'd probably rather know in advance if there's a potential
problem hosting future versions of FreeBSD under VMWare. If someone has a
commercial license, it would make sense submitting this via a trouble
ticket, as well as providing the VMware support people with some brief
directions on installing 5.0.
Robert N M Watson FreeBSD Core Team, TrustedBSD Project
robert@fledge.watson.org NAI Labs, Safeport Network Services
On Thu, 31 Jan 2002, Glenn Gombert wrote:
> Here is an item that was mentioned sometime ago on the mailing list,
> -CURRENT runs just fine under VMWare Workstation 3.0 (on Win2K
> Professional) once this patch is made:
>
> Glenn G.
>
> >>>>>>>>>>>>>>>>>>>>>>>
>
> Someone mentioned on a list somewhere that vmware takes forever to
> emulate the cmpxchg instruction, and that using the I386_CPU version
> of atomic_cmpset_int() helps a lot. I noticed a major vmware slowdown
> with -current sometime in September, so I tried avoiding the
> cmpxchg's and things got much faster. Below is the patch I use
> (using this outside vmware on SMP hardware is a bad idea :-).
>
> Ian
>
> Index: atomic.h
> ===================================================================
> RCS file: /dump/FreeBSD-CVS/src/sys/i386/include/atomic.h,v
> retrieving revision 1.21
> diff -u -r1.21 atomic.h
> --- atomic.h 2001/10/08 20:58:24 1.21
> +++ atomic.h 2001/10/09 18:35:25
> @@ -111,7 +111,7 @@
> * Returns 0 on failure, non-zero on success
> */
>
> -#if defined(I386_CPU)
> +#if defined(I386_CPU) || 1
> static __inline int
> atomic_cmpset_int(volatile u_int *dst, u_int exp, u_int src)
> {
>
>
>
> At 12:56 AM 2/1/2002 +1100, Logan weaponx wrote:
> >hi,
> > I was wondering if there are any tricks required to make freebsd
> >5.0-current work under vmware 3.0 (Windows XP host). When I try and boot
> >(from the 20020127 snapshot) it fails to boot. It hangs at different stages
> >in the boot each time, but the furthest it has ever gotten is trying to load
> >/sbin/init. I can boot from kern.flp and then use my root partition, but
> >things dont load correctly (network, filesystems, etc). I looked through the
> >archives and noted a few posts regarding different vmware issues and a
> >patch.
> >
>
> Glenn Gombert
> ggombert@imatowns.com
>
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