Reboot not work on Dell OptiPlex 750 desktop at Ubuntu Natty distro

[Sharl.Jimh.Tsin]

在 2011-07-30六的 13:10 -0400，Dan Chen写道：
> On Sat, Jul 30, 2011 at 11:12, Sharl.Jimh.Tsin <amoiz.shine at gmail.com> wrote:
> > hi,all:
> >    i am using Ubuntu 11.04 Natty on my office's desktop which model is Dell
> > OptiPlex 750 serials.recently i found that the "reboot" function of this OS
> > never worked,it will make the OS hanged and with no response of the keyboard
> > or mouse. only the Power button can kill the program.
> >    So,i just want to know that Is it a BUG of Power Manager or anything
> > else? does someone also face this problem same with me?
> >    want a reply,thanks~
> 
> We can probably work around it by forcing a BIOS reboot through a
> quirk entry in arch/x86/kernel/reboot.c. Please file a bug against the
> linux source package, and ensure that the contents of
> /sys/class/dmi/id/{sys_vendor,product_name} are included in the bug
> report.
> 
> Cheers,
> -Dan

Ok, i will. please tell me how-to do that, i need step-by-step guide.

thanks a lot.