Date: Mon, 21 Nov 2005 16:51:35 -0500 From: John Baldwin <jhb@freebsd.org> To: freebsd-sparc64@freebsd.org Cc: alpha@freebsd.org, current@freebsd.org Subject: Re: dc(4) related misalignment trap Message-ID: <200511211651.36569.jhb@freebsd.org> In-Reply-To: <200511211623.35777.jhb@freebsd.org> References: <5D4CE421-AC74-40D6-AB53-836630BB8F19@xcllnt.net> <200511211614.16590.jhb@freebsd.org> <200511211623.35777.jhb@freebsd.org>
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On Monday 21 November 2005 04:23 pm, John Baldwin wrote: > 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. Ok, so the same change Marcel posted for dc(4) fixed de(4) as well, so Marcel, I think you should be good to go to commit your dc(4) patch. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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