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Re: lkcd & kdb

To: graichen@xxxxxxxxxxxxx
Subject: Re: lkcd & kdb
From: Dave Craft <dcraft@xxxxxxxxxxxxxx>
Date: Thu, 1 Feb 2001 10:26:10 -0600 (CST)
Cc: lkcd@xxxxxxxxxxx
In-reply-to: <news2mail-95c2dn$vdt$1@xxxxxxxxxxxxxxxxxxxxxx> from "Thomas Graichen" at Feb 01, 2001 04:21:11 PM
Sender: owner-lkcd@xxxxxxxxxxx
        I saw this less than 10 minutes ago myself on the 2.4.0
        kernel.  It still seems to produce a valid dump.  I am
        not running with the kdb patch...only lkcd.

        Dave
>
>i just patched the latest lkcd patch into the SGI XFS tree (which
>also contains kdb) ... it so far also works but after it has
>written the dump it panics (now into kdb) on mm/memory.c line 634
>
>                for (j = 0; j < nlast; ppage++, j++) {
>                        page = *ppage;
>                        if (!page)
>                                continue;
>                        UnlockPage(page); <-------
>                }
>        }
>        return 0;
>}
>
>don't know what the reason for this is - kdb or 2.4.0 kernel - so
>my question: did anyone else try this so far? - any solution in
>sight?
>
>it is absolutely reproducable if anyone wants to try it - but i
>can also post an backtrace of the panic here if that might help
>(but it does not look very interesting i think - it ends in
>kiovec_unlock or something like) ... btw. i used a simple panic
>module (calling panic() in init_module) via insmod to force the
>panic ...
>
>any ideas? - thanks in advance
>
>t
>
>-- 
>thomas.graichen@xxxxxxxxxxxxxx
>                                                         innominate AG
>                                                  the linux architects
>tel: +49-30-308806-13   fax: -77             http://www.innominate.com
>


-- 
        --------- Opinions are mine and not IBM's ----------
        Mail : dave@xxxxxxxxxxxxxx      Phone : 512-838-8248            
                  Wish I could fly like Superman.

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