Why unable to soft boot (11.04)?

[Peng Yu]

On Tue, Sep 20, 2011 at 4:35 AM, Colin Law <clanlaw at googlemail.com> wrote:
> On 20 September 2011 10:22, Steve Flynn <anothermindbomb at gmail.com> wrote:
>>
>>
>> On Tue, Sep 20, 2011 at 9:53 AM, Colin Law <clanlaw at googlemail.com> wrote:
>>>
>>> On 20 September 2011 01:14, Peng Yu <pengyu.ut at gmail.com> wrote:
>>> > Hi,
>>> >
>>> > My ubuntu (11.04) machine is unable to soft reboot
>>>
>>> What is a soft reboot?
>>>
>>
>> The kind of reboot you get when you hit Control-Alt-Delete in Windows or
>> issue 'shutdown -r now' in Linux. Hard reboot would be hitting the power
>> button or the reset switch on the motherboard.
>
> Oh, so restart in fact?
>
> @OP: assuming that you mean you cannot restart, how are you trying to
> achieve that?
> What happens when you attempt it?
> Which version of Ubuntu are you using (run cat /etc/issue in a
> terminal if you do not know)?
> If you open a terminal and enter
> sudo shutdown -r now
> and enter your password, does it restart?

~$ cat /etc/issue
Ubuntu 11.04 \n \l

"sudo shutdown -r now" initiates the shutdown process. But the machine
never shutdown completely and hence can not be restarted (the BIOS
screen is never seen).


-- 
Regards,
Peng