[Bug 233861] [patch] Amazon EC2: Disable floppy fdc0, fd0 and ppc0 devices in loader.conf

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233861

            Bug ID: 233861
           Summary: [patch] Amazon EC2: Disable floppy fdc0, fd0 and ppc0
                    devices in loader.conf
           Product: Base System
           Version: CURRENT
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: conf
          Assignee: bugs at FreeBSD.org
          Reporter: james.wright at jigsawdezign.com

Created attachment 199946
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=199946&action=edit
ec2.conf patch

Disable the floppy devices (fdc0, fd0) and parallel port device (ppc0) on
Amazon EC2 instances. They are not present on these machines and output an
error on boot (see below);

# dmesg | grep fdc
fdc0: <floppy drive controller> port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on acpi0
fdc0: does not respond
device_attach: fdc0 attach returned 6
fdc0: No FDOUT register!

# dmesg | grep ppc
ppc0: cannot reserve I/O port range

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