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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: Adonijah <adonijah@xxxxxxxxx>
Date: Mon, 05 Jul 2004 00:21:06 +0000

On Sun, 04 Jul 2004 20:58:23 -0700, Matthew Dillon wrote:
> :I'm back, after disabling softupdates as Matt suggested, I have had another
> :kernel panic although this one appears to be a different one than the last.
> :
> :This one occured while doing a make install in /usr/ports via a remote
> :ssh session.
> :
> :Simple backtrace:
> :http://drevil.warpcore.org/crash3_bt.log.gz
> :
> :Full backtrace:
> :http://drevil.warpcore.org/crash3_bt_full.log.gz
> :
> :Thanks.
>     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.

I will try this patch, but I should mention that after this kernel panic I
tried booting my system using the 2nd boot loader option (ACPI Disabled).
Every since I did that I haven't had any more kernel panics. Coincidence?
I'm not sure. I still have softupdates disabled at the moment.

Thanks again.

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