[Bug 236639] Beaglebone Black: Misaligned cache warning until kernel is loaded (FreeBSD 13.0-CURRENT)

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Tue Mar 19 16:05:22 UTC 2019


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236639

            Bug ID: 236639
           Summary: Beaglebone Black: Misaligned cache warning until
                    kernel is loaded (FreeBSD 13.0-CURRENT)
           Product: Base System
           Version: CURRENT
          Hardware: arm
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: arm
          Assignee: freebsd-arm at FreeBSD.org
          Reporter: gndaryee at uwaterloo.ca

Created attachment 202982
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=202982&action=edit
Log from loader.efi up until /boot/kernel/kernel is loaded.

The warning: `CACHE: Misaligned operation at range [#####, #####]` is printed
repeatedly after booting "loader.efi" (downloaded via DHCP along with built
FreeBSD DTBs). Full logs are included.

After discussions on IRC, it was determined that: "the CACHE warnings from
u-boot are due to some local variable in our ip stack in loader that aren't
aligned"

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