From: Robert Love <rml@tech9.net>
To: Paolo Ciarrocchi <ciarrocchi@linuxmail.org>
Cc: linux-kernel@vger.kernel.org
Subject: [patch] Re: 2.5.3[3,4] Preemption problem
Date: 10 Sep 2002 15:44:38 -0400 [thread overview]
Message-ID: <1031687078.1571.14.camel@phantasy> (raw)
In-Reply-To: <20020909213137.28292.qmail@linuxmail.org>
On Mon, 2002-09-09 at 17:31, Paolo Ciarrocchi wrote:
> Halting system...
> Shutting down devices
> Power down.
> note: halt[15347] exited with preempt_count 1
I cooked up a patch... does this solve the problem (no more spurious
warning on reboot)?
Patch is against 2.5.34.
Robert Love
diff -urN linux-2.5.34/kernel/sys.c linux/kernel/sys.c
--- linux-2.5.34/kernel/sys.c Tue Sep 10 13:04:49 2002
+++ linux/kernel/sys.c Tue Sep 10 15:40:35 2002
@@ -316,7 +316,7 @@
/* For safety, we require "magic" arguments. */
if (magic1 != LINUX_REBOOT_MAGIC1 ||
- (magic2 != LINUX_REBOOT_MAGIC2 && magic2 != LINUX_REBOOT_MAGIC2A &&
+ (magic2 != LINUX_REBOOT_MAGIC2 && magic2 != LINUX_REBOOT_MAGIC2A &&
magic2 != LINUX_REBOOT_MAGIC2B))
return -EINVAL;
@@ -344,6 +344,7 @@
device_shutdown();
printk(KERN_EMERG "System halted.\n");
machine_halt();
+ unlock_kernel();
do_exit(0);
break;
@@ -353,6 +354,7 @@
device_shutdown();
printk(KERN_EMERG "Power down.\n");
machine_power_off();
+ unlock_kernel();
do_exit(0);
break;
next prev parent reply other threads:[~2002-09-10 19:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-09 21:31 2.5.3[3,4] Preemption problem Paolo Ciarrocchi
2002-09-09 21:52 ` Robert Love
2002-09-10 19:44 ` Robert Love [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-09-10 21:54 [patch] " Paolo Ciarrocchi
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