From 7131e5506fcceeef0eacc5b4935a267f06f5168e Mon Sep 17 00:00:00 2001
From: Sander Mertens <sander.mertens8@gmail.com>
Date: Mon, 30 Oct 2023 12:02:35 -0700
Subject: [PATCH] Fix issue where testcase process would throw signal 4

---
 drivers/test/src/test.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/test/src/test.c b/drivers/test/src/test.c
index 6559654..46fd9b0 100644
--- a/drivers/test/src/test.c
+++ b/drivers/test/src/test.c
@@ -253,9 +253,16 @@ void* bake_test_run_suite_range(
                     ut_log(
                         "#[red]FAIL#[reset]: %s segfaulted\n", test_name);
                 } else {
+                    /* Signal 4 seems to get thrown every now and then when 
+                     * trying to create lots of processes. Retry a few times
+                     * before actually failing the test. */
                     if (sig == 4) {
                         retry_count ++;
                         if (retry_count < 5) {
+                            /* Don't retry too fast in case OS resources are
+                             * limited. */
+                            ut_sleep(0, 100 * 1000 * 1000);
+                            ut_log("#[grey]retrying after sig 4...\n");
                             goto retry;
                         } else {
                             ut_log("#[red]retried 5 times after sig 4\n");