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Re: segfaults when running from kickstart file


From: Allen Bettilyon
Subject: Re: segfaults when running from kickstart file
Date: Sun, 8 Jun 2003 07:41:55 -0600

I remeber having the exact same issue!  Its been a while, but if my memory
serves me correctly,  I believe it was being caused when cfengine was
attempting to determine a specific host_class.

I fixed the issue by forcing the host_class define on the commandline.  For
example, my kickstart runs the following:

cfagent -D my_magic_class -qI >> /tmp/post.log

Normally, 'my_magic_class', would be dynamicly determined in update.conf.  I
was never able to figure out exactly WHY that was segfaulting in the
kickstart.  Perhaps it was related to the way I was determining the class.

Hope this helps.

- Allen Bettilyon



----- Original Message -----
From: "Lars Damerow" <address@hidden>
To: <address@hidden>
Sent: Thursday, June 05, 2003 10:49 AM
Subject: segfaults when running from kickstart file


> Hi all,
>
> I know this has come up before, but the answer I found in the archives
(don't
> do it) isn't optimal for me. ;)
>
> I'm trying to run cfengine on our machines during the %post step of our
> kickstart process. More specifically, %post calls a shell script that then
> repeatedly calls cfengine.
>
> On some types of our machines, it works like a charm. On others, though,
it
> consistently fails in the same way: a segmentation fault after an _llseek
call.
> I've attached an strace. The baffling thing is that, when I alt-F2 to a
shell,
> chroot /mnt/sysimage, and then run the same cfengine script by hand, it
works
> just fine.
>
> Does anyone have any clues as to why this might be failing? I've verified
that
> the kickstarting machine's IP is in the range allowed by the server and
that,
> when I run the script manually, the server is accepting the machine's
public
> key.
>
> I really don't want to resort to running the cfengine scripts after the
machine
> reboots, since the changes the scripts make require another reboot. These
> reboots add up when I have to do them for 1500 machines. :P
>
> Please CC: me on any responses, as I'm not a member of the list.
>
> Thanks for your help!
> -lars
>
> ___________________________________________________________
> lars damerow
> button pusher
> pixar animation studios
>
> "Nauseous. Nauseated. The first means 'sickening to contemplate'; the
second
> means 'sick at the stomach.' Do not, therefore, say, "I feel nauseous,"
unless
> you are sure you have that effect on others."
>
> - William Strunk Jr., "The Elements of Style"
>
>


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