From 1be23cbabe48f763b84a9dcf3e2f09ac31fd1dbc Mon Sep 17 00:00:00 2001
From: Eliza Weisman <eliza@elizas.website>
Date: Sat, 11 Jan 2025 11:14:06 -0800
Subject: [PATCH] feat(inoculate): QEMU debug logging in test mode (#510)

This should make it a bit easier to debug test failures due to guest
crashes, I hope...
---
 inoculate/src/qemu.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/inoculate/src/qemu.rs b/inoculate/src/qemu.rs
index 658aed78..565e6fff 100644
--- a/inoculate/src/qemu.rs
+++ b/inoculate/src/qemu.rs
@@ -198,9 +198,14 @@ impl Cmd {
                     "none",
                     "-serial",
                     "stdio",
+                    // tell QEMU to log guest errors
+                    "-d",
+                    "guest_errors",
                 ];
                 tracing::info!("running kernel tests ({})", paths.relative(image).display());
                 qemu_settings.configure(&mut qemu);
+
+                tracing::info!(qemu.test_args = ?TEST_ARGS, "using test mode qemu args");
                 qemu.args(TEST_ARGS);
 
                 let mut child = self.spawn_qemu(&mut qemu, paths.kernel_bin())?;