D47239.diff
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	diff --git a/release/tools/ec2.conf b/release/tools/ec2.conf
	--- a/release/tools/ec2.conf
	+++ b/release/tools/ec2.conf
	@@ -70,6 +70,11 @@
	# nodes, but apply the workaround just in case.
	echo 'hw.broken_txfifo="1"' >> ${DESTDIR}/boot/loader.conf

	+ # Graviton 1 through Graviton 4 have a bug in their ACPI where they
	+ # mark the PL061's pins as needing to be configured in PullUp mode
	+ # (in fact the PL061 has no pullup/pulldown resistors).
	+ echo 'debug.acpi.quirks="8"' >> ${DESTDIR}/boot/loader.conf
	+
	# Load the kernel module for the Amazon "Elastic Network Adapter"
	echo 'if_ena_load="YES"' >> ${DESTDIR}/boot/loader.conf

	diff --git a/sys/dev/acpica/acpivar.h b/sys/dev/acpica/acpivar.h
	--- a/sys/dev/acpica/acpivar.h
	+++ b/sys/dev/acpica/acpivar.h
	@@ -227,12 +227,15 @@
	* ACPI_Q_MADT_IRQ0: Specifies that ISA IRQ 0 is wired up to pin 0 of the
	* first APIC and that the MADT should force that by ignoring the PC-AT
	* compatible flag and ignoring overrides that redirect IRQ 0 to pin 2.
	+ * ACPI_Q_AEI_NOPULL: Specifies that _AEI objects incorrectly designate pins
	+ * as "PullUp" and they should be treated as "NoPull" instead.
	*/
	extern int acpi_quirks;
	#define ACPI_Q_OK 0
	#define ACPI_Q_BROKEN (1 << 0)
	#define ACPI_Q_TIMER (1 << 1)
	#define ACPI_Q_MADT_IRQ0 (1 << 2)
	+#define ACPI_Q_AEI_NOPULL (1 << 3)

	#if defined(__amd64__) \|\| defined(__i386__)
	/*