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Date: Thu, 27 Nov 2003 12:23:25 -0500 (EST)
From: Robert Watson <rwatson@freebsd.org>
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To: Anthony Schneider <anthony@x-anthony.com>
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cc: Dag-Erling =?unknown-8bit?Q?Sm=F8rgrav?= <des@des.no>
cc: hackers@freebsd.org
Subject: Re: freebsd smp -> linux up
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On Wed, 26 Nov 2003, Anthony Schneider wrote:

> sadly, all ktrace shows is ktrace launching vmware (from 'ktrace
> vmware', shows sh reading and executing, and then ends with the vmware
> fork).=20
>=20
> is there a special way to ktrace linux binaries that i'm not aware of?=20

ktrace should work fine, but you need to make sure you use the linux_kdump
port so that the system call trace is interpreted correctly when converted
to text.  As DES points out, make sure you have the right flags to the
ktrace command so tracing is inheritted across fork and exec.

Robert N M Watson             FreeBSD Core Team, TrustedBSD Projects
robert@fledge.watson.org      Network Associates Laboratories


>=20
> -Anthony.
>=20
> On Tue, Nov 25, 2003 at 07:32:35PM +0100, Dag-Erling Sm=F8rgrav wrote:
> > Anthony Schneider <anthony@x-anthony.com> writes:
> > > is there a way to have linux emulation report that its kernel is runn=
ing
> > > on a UP system even though the freebsd box it's running on is SMP?  i
> > > would like to get vmware running on my smp -current box, but vmmon_sm=
p.ko
> > > is "broken", and with vmmon_up.ko loaded i get a message about needin=
g to
> > > be running on an smp linux kernel version 2.0 (2.2) or higher, even t=
hough
> > > linux emulation reports a 2.4 kernel.
> >=20
> > It would be interesting to know exactly what it needs that we don't
> > provide.  I suspect it's something really trivial...  do you see any
> > messages in syslog about unimplemented syscalls?  Could you get a
> > ktrace or something?
> >=20
> > DES
> > --=20
> > Dag-Erling Sm=F8rgrav - des@des.no
>=20