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Date:      Wed, 28 Mar 2018 16:20:56 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-ppc@FreeBSD.org
Subject:   [Bug 226974] kernel DSI read trap at boot
Message-ID:  <bug-226974-21-6hpudIIL1p@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-226974-21@https.bugs.freebsd.org/bugzilla/>
References:  <bug-226974-21@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D226974

--- Comment #6 from Leandro Lupori <leandro.lupori@gmail.com> ---
Looking at the latest version of vfs_bio.c, it seems all these parts are now
using only mp_maxid.
bd_flushall loop has also been changed to go up to i <=3D mp_maxid, instead=
 of i
< mp_maxid.
Still, the issue persists.

Also, by adding only the bdomain array (and corresponding structs'
declarations) in the previous commit, that was working, the issue happens.

The two triggers to this issue seems to be:
- set usefdt=3D1
- change kernel memory layout

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