diff --git a/configs/aarch64/host.config b/configs/aarch64/host.config
index 2aa8620..8362952 100644
--- a/configs/aarch64/host.config
+++ b/configs/aarch64/host.config
@@ -2749,7 +2749,8 @@ CONFIG_SERIAL_EARLYCON=y
 CONFIG_SERIAL_8250_PNP=y
 CONFIG_SERIAL_8250_DMA=y
 CONFIG_SERIAL_8250_PCILIB=y
-CONFIG_SERIAL_8250_PCI=y
+# Blocked by https://linear.app/edera/issue/COR-99/graviton4-xen-dom0-crashes-when-trying-to-probe-pci-uart-used-by-xen
+CONFIG_SERIAL_8250_PCI=m
 CONFIG_SERIAL_8250_EXAR=y
 CONFIG_SERIAL_8250_NR_UARTS=16
 CONFIG_SERIAL_8250_RUNTIME_UARTS=4