DragonFly BSD
DragonFly bugs List (threaded) for 2004-07
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Re: Kernel Panic III: Fatal trap 12: page fault while in kernel mode

From: Shawn <adonijah@xxxxxxxxx>
Date: Mon, 5 Jul 2004 22:21:29 -0500

On Sun, 4 Jul 2004 20:58:23 -0700 (PDT), Matthew Dillon
<dillon@xxxxxxxxxxxxxxxxxxxx> wrote:
>     I'd like you to try the below patch.  The 0xdeadc0de VM fault value is
>     a big hint, it seems to indicate that the vnode is being recycled while
>     or soon after it has been added to the mount queue and I found a
>     possible race.
>     There's only about a 30% chance that this is the bug, so I am crossing
>     my fingers.  I would really like to try to find and fix this bug before
>     the release.

We'll I updated my kernel sources and applied your patch, and then
rebooted and used the default boot option (ACPI enabled). I've been
compiling things, installing packages and flipping in and out of X
quite a bit while playing music, and Audio CDs. Not a single panic
today, and I have over seven of them this weekend. So something must
be right now. I really think it was the patch that fixed my problem
because I still had panics even booting with ACPI disabled.


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