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SubjectRe: 2.6.13.2 crash on shutdown on SMP machine
With this patch, my PII Xeon 4 cpu system reaches the 
state of "Powered Down" and stops. (Running Slackware Linux 10.2
with 2.6.14.3 from kernel.org)

At this point, I can power off or hit the reset button
to restart.


Thank you for the patch.


Jeff

On Tue, 6 Dec 2005, Zwane Mwaikambo wrote:

> On Tue, 6 Dec 2005, Clemens Koller wrote:
>
>> Hello, Zwane!
>>
>>>> From what i hear it's this issue;
>>>
>>> http://bugzilla.kernel.org/show_bug.cgi?id=5203
>>
>> Yes it seems to be the same issue.
>> But who is Eric, mentioned in bugzilla? :-]
>> If it makes sense I can test his patch while/before he is pushing
>> it upstream.
>
> Eric is 'Eric Biederman', Jeff tested his patch but there appears to be a
> failure case when there is no power management callback installed. Could
> you please test the following patch?
>
> diff -r 3815424104b0 arch/i386/kernel/reboot.c
> --- a/arch/i386/kernel/reboot.c Sat Dec 3 07:09:38 2005
> +++ b/arch/i386/kernel/reboot.c Mon Dec 5 00:44:37 2005
> @@ -359,6 +359,10 @@
>
> if (pm_power_off)
> pm_power_off();
> -}
> -
> -
> +
> + local_irq_disable();
> + if (cpu_data[0].hlt_works_ok)
> + while (1) halt();
> + while (1);
> +}
> +
> diff -r 3815424104b0 arch/x86_64/kernel/reboot.c
> --- a/arch/x86_64/kernel/reboot.c Sat Dec 3 07:09:38 2005
> +++ b/arch/x86_64/kernel/reboot.c Mon Dec 5 00:44:37 2005
> @@ -159,5 +159,9 @@
> }
> if (pm_power_off)
> pm_power_off();
> +
> + local_irq_disable();
> + while (1)
> + halt();
> }
>
>
-
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