[Bug 266248] efi comconsole does not work with ARM64 Hyper-V

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 03 Feb 2023 10:02:10 UTC

--- Comment #22 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:


commit a1f8a0c793c67ab5854035e017f34d3d016b6d0d
Author:     Toomas Soome <tsoome@FreeBSD.org>
AuthorDate: 2023-02-02 14:01:02 +0000
Commit:     Toomas Soome <tsoome@FreeBSD.org>
CommitDate: 2023-02-03 09:53:32 +0000

    efiserialio: use port settings (sio->Mode) for initial setup

    Use serial port setup done by system firmware.
    ARM64 Hyper-V does hung if we attempt to override the defaults,
    therefore we should default to use settings from firmware.

    Tested by: schakrabarti@microsoft.com
    PR:             266248
    MFC after:      1 week

 stand/efi/loader/efiserialio.c | 38 ++++++++++++++++++++++----------------
 1 file changed, 22 insertions(+), 16 deletions(-)

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