* [patch] Re: 2.5.3[3,4] Preemption problem
2002-09-09 21:31 Paolo Ciarrocchi
@ 2002-09-10 19:44 ` Robert Love
0 siblings, 0 replies; 2+ messages in thread
From: Robert Love @ 2002-09-10 19:44 UTC (permalink / raw)
To: Paolo Ciarrocchi; +Cc: linux-kernel
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;
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [patch] Re: 2.5.3[3,4] Preemption problem
@ 2002-09-10 21:54 Paolo Ciarrocchi
0 siblings, 0 replies; 2+ messages in thread
From: Paolo Ciarrocchi @ 2002-09-10 21:54 UTC (permalink / raw)
To: rml; +Cc: linux-kernel
From: Robert Love <rml@tech9.net>
> 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)?
Yes it does.
Thank you.
Ciao,
Paolo
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