shutdown and reboot do not work correct

[kevin]

Attilio Rao wrote:
> 2008/11/5, kevin <kevinxlinuz at 163.com>:
>   
>> Hi,
>>    I update everything this afternoon(both kernel and world). when i try to
>> reboot or shutdown system,i find something goes wrong.After system output
>> "All buffers synced" and "Accounting disabled",system does not power off as
>> normal. the keyboard still works and when i press the power button ,it
>> output "acpi: suspend request ignored (not ready yet)", "acpi: request to
>> enter state S5 failed (error 6)". Any one meet same problem?
>>     
>
> Could you please break into DDB and see where it is hanging?
>
> Thanks,
> Attilio
>
>
>   
I break into DDB and find lots of kernel threads are in SL stat,thread 
[accounting] is in stat ZL.I guess accounting can't exit correctly.After 
i turn off accounting,i can shutdown system now.





Thanks,
kevin