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Date:      Sat, 21 Apr 2018 01:14:59 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 227664] mps(4) regression makes the system unbootable
Message-ID:  <bug-227664-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D227664

            Bug ID: 227664
           Summary: mps(4) regression makes the system unbootable
           Product: Base System
           Version: 11.1-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: nicolas@braud-santoni.eu
                CC: fox@foxiepa.ws

Created attachment 192692
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D192692&action=
=3Dedit
Console log on HardenedBSD 11-STABLE v1100055.1

Hi,

On 11.1-RELEASE, and CURRENT, the mps(4) driver goes into an infinite loop =
of
rebooting the controller, at boot time, hanging the kernel until it eventua=
lly
panics.

I can systematically reproduce the issue on a Dell Poweredge R410 server, a=
nd I
bisected the regression to somewhere between 11.0-RELEASE and 11.1-RC3; I w=
ill
bisect it further tomorrow.

Furthermore, Rachel (in CC) encountered this regression independently.
@Rachel: Please provide info on the hardware you encountered this on.

Please find attached a screenshot of the system's console, from HardenedBSD=
's
11-STABLE, as I forgot to take some while bisecting the issue (but the log
messages where, if not identical, at least very similar).


Best,

  nicoo

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