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From: "Jan Beulich" <JBeulich@novell.com>
To: <linux-kernel@vger.kernel.org>
Subject: [PATCH] prevent nested panic from soft lockup detection
Date: Mon, 30 Jan 2006 10:08:33 +0100	[thread overview]
Message-ID: <43DDE5A1.76F0.0078.0@novell.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 158 bytes --]

From: Jan Beulich <jbeulich@novell.com>

Suppress triggering a nested panic due to soft lockup detection.

Signed-Off-By: Jan Beulich <jbeulich@novell.com>



[-- Attachment #2: linux-2.6.16-rc1-panic-softlockup.patch --]
[-- Type: text/plain, Size: 900 bytes --]

From: Jan Beulich <jbeulich@novell.com>

Suppress triggering a nested panic due to soft lockup detection.

Signed-Off-By: Jan Beulich <jbeulich@novell.com>

diff -Npru /home/jbeulich/tmp/linux-2.6.16-rc1/kernel/panic.c 2.6.16-rc1-panic-softlockup/kernel/panic.c
--- /home/jbeulich/tmp/linux-2.6.16-rc1/kernel/panic.c	2006-01-27 15:10:49.000000000 +0100
+++ 2.6.16-rc1-panic-softlockup/kernel/panic.c	2006-01-25 09:55:53.000000000 +0100
@@ -107,6 +107,7 @@ NORET_TYPE void panic(const char * fmt, 
 		printk(KERN_EMERG "Rebooting in %d seconds..",panic_timeout);
 		for (i = 0; i < panic_timeout*1000; ) {
 			touch_nmi_watchdog();
+			touch_softlockup_watchdog();
 			i += panic_blink(i);
 			mdelay(1);
 			i++;
@@ -130,6 +131,7 @@ NORET_TYPE void panic(const char * fmt, 
 #endif
 	local_irq_enable();
 	for (i = 0;;) {
+		touch_softlockup_watchdog();
 		i += panic_blink(i);
 		mdelay(1);
 		i++;

             reply	other threads:[~2006-01-30  9:08 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-01-30  9:08 Jan Beulich [this message]
2006-01-30 14:58 ` [PATCH] prevent nested panic from soft lockup detection Dave Jones
     [not found] <43DDE5A1.76F0.0078.0@novell.com.suse.lists.linux.kernel>
     [not found] ` <20060130145850.GB9752@redhat.com.suse.lists.linux.kernel>
2006-01-31 12:35   ` Andi Kleen
2006-01-31 13:46     ` Jan Beulich

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