config(8) -x headscratcher

[Kimmo Paasiala]

On Wed, May 1, 2013 at 8:16 AM, Wojciech A. Koszek <wkoszek at freebsd.org> wrote:
> On Mon, Apr 29, 2013 at 12:21:06AM +0300, Kimmo Paasiala wrote:
>> On Sun, Apr 28, 2013 at 8:09 PM, Wojciech A. Koszek <wkoszek at freebsd.org> wrote:
>> > On Sun, Apr 28, 2013 at 04:40:58AM +0300, Kimmo Paasiala wrote:
>> >> On Sat, Apr 27, 2013 at 11:53 PM, Kimmo Paasiala <kpaasial at gmail.com> wrote:
>> >> > On Sat, Apr 27, 2013 at 11:42 PM, Kimmo Paasiala <kpaasial at gmail.com> wrote:
>> >> >> On Sat, Apr 27, 2013 at 10:05 PM, Wojciech A. Koszek
>> >> >> <wkoszek at freebsd.org> wrote:
>> >> >>> On Sat, Apr 27, 2013 at 06:54:11PM +0300, Kimmo Paasiala wrote:
>> >> >>>> I'm getting a core dump on 'config -x /boot/kernel/kernel' on 9.1-RELEASE i386.
>> >> >>>>
>> >
>> >
>> > [..]
>> >
>> >> >>
>> >> >> The kernel config file:
>> >> >>
>> >> >> http://pastebin.com/j0J9NPCi
>> >> >>
>> >> >> My /etc/make.conf:
>> >> >>
>> >> >> http://pastebin.com/HYudWCA9
>> >> >>
>> >> >> And /etc/src.conf:
>> >> >>
>> >> >> http://pastebin.com/ZAKq6ABT
>> >> >>
>> >> >> I'll see how I can make the kernel image available.
>> >> >>
>> >> >> -Kimmo
>> >> >
>> >> > The kernel file:
>> >> >
>> >> > https://www.dropbox.com/s/07mjk6j4ditbl9r/kernel
>> >> >
>> >> > -Kimmo
>> >>
>> >> dmesg(8) output of the system:
>> >>
>> >> http://pastebin.com/hqjsak2n
>> >
>> > Kimmo,
>> >
>> > Thanks for the information. Can you try following patch:
>> >
>> >         cd /usr/src/usr.sbin/config
>> >         fetch http://people.freebsd.org/~wkoszek/patches/config-align.patch
>> >         patch -p0 < config-align.patch
>> >         make
>> >
>> > and see if it fixes your problem for all kernel images you're building?
>> >
>> > --
>>
>> Thanks. That patch does fix the problem with config -x. However, is
>> the alignment of 1 an error that needs to be addressed as well?
>
> Kimmo,
>
> Thanks for this report. I fixed it in HEAD as of revision 250133. I'll MFC
> it after 10 days.
>
> I can't comment about alignment differences--I don't know.
>
> --

Anyone else who could comment on this? In this case the alignment is
for a text file and I don't think it's going to matter but I can
imagine misalignment somewhere else could cause big problems.

-Kimmo