Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 21 Nov 2005 16:23:33 -0500
From:      John Baldwin <jhb@freebsd.org>
To:        freebsd-sparc64@freebsd.org
Cc:        alpha@freebsd.org, current@freebsd.org, freebsd-alpha@freebsd.org, sparc64@freebsd.org
Subject:   Re: dc(4) related misalignment trap
Message-ID:  <200511211623.35777.jhb@freebsd.org>
In-Reply-To: <200511211614.16590.jhb@freebsd.org>
References:  <5D4CE421-AC74-40D6-AB53-836630BB8F19@xcllnt.net> <200511210949.12455.jhb@freebsd.org> <200511211614.16590.jhb@freebsd.org>

next in thread | previous in thread | raw e-mail | index | archive | help
On Monday 21 November 2005 04:14 pm, John Baldwin wrote:
> On Monday 21 November 2005 09:49 am, John Baldwin wrote:
> > > Register s3 holds the sp variable ($2 in kgdb)
> > > Register t0 holds the result the left-hand side of the statement, which
> > > is not properly aligned for a 16-bit load ($7 = register t0 + 8).
> > >
> > > Rough patch to fix the problem attached:
> >
> > I think de(4) would need the same fix as well at least.
>
> Once I fixed another bug with de(4) due to ru@'s recent changes I wasn't
> able to reproduce an alignment trap with de(4) on my alpha, so although I
> have a patch for de(4) I can't test it.  How are you triggering the
> alignment fault? Do you have something other than 'ifconfig_dc0="DHCP"' in
> /etc/rc.conf?

Check that, it would help to let the multiuser boot finish before firing off 
the e-mail.  I did indeed get the alignment fault during dhcp, so I'll be 
testing that alignment patch in a minute or so.

-- 
John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200511211623.35777.jhb>