From 64b8fdd9a26cb9749e154c721f0688932b5e0094 Mon Sep 17 00:00:00 2001
From: Nick Ewins <nick@krypton.computer>
Date: Mon, 19 Apr 2021 15:59:16 +0000
Subject: 13178 ::msgbuf could see more than 8KB of logs Reviewed by: Andy
 Fiddaman <Andy@omniosce.org> Reviewed by: Toomas Soome <tsoome@me.com>
 Approved by: Dan McDonald <danmcd@joyent.com>

---
 usr/src/uts/common/os/logsubr.c | 2 +-
 usr/src/uts/common/sys/log.h    | 4 +---
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/usr/src/uts/common/os/logsubr.c b/usr/src/uts/common/os/logsubr.c
index 2874b9049d..f597c4a922 100644
--- a/usr/src/uts/common/os/logsubr.c
+++ b/usr/src/uts/common/os/logsubr.c
@@ -216,7 +216,7 @@ log_init(void)
 	log_intrq = log_makeq(0, LOG_HIWAT, (void *)ipltospl(SPL8));
 
 	/*
-	 * Create a queue to hold the most recent 8K of console messages.
+	 * Create a queue to hold the most recent 64K of console messages.
 	 * Useful for debugging.  Required by the "$<msgbuf" adb macro.
 	 */
 	log_recentq = log_makeq(0, LOG_RECENTSIZE, NULL);
diff --git a/usr/src/uts/common/sys/log.h b/usr/src/uts/common/sys/log.h
index 2d1fb46b73..934b4111fd 100644
--- a/usr/src/uts/common/sys/log.h
+++ b/usr/src/uts/common/sys/log.h
@@ -30,8 +30,6 @@
 #ifndef _SYS_LOG_H
 #define	_SYS_LOG_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <sys/types.h>
 #include <sys/strlog.h>
 #include <sys/stream.h>
@@ -55,7 +53,7 @@ extern "C" {
 #define	LOG_HIWAT	1048576		/* threshold for tossing messages */
 
 #define	LOG_MAGIC	0xf00d4109U	/* "food for log" - unsent msg magic */
-#define	LOG_RECENTSIZE	8192		/* queue of most recent messages */
+#define	LOG_RECENTSIZE	65536		/* queue of most recent messages */
 #define	LOG_MINFREE	4096		/* message cache low water mark */
 #define	LOG_MAXFREE	8192		/* message cache high water mark */
 
-- 
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