Re: [BUG] x86: reboot doesn't reboot

From: Steven Rostedt
Date: Thu Apr 03 2014 - 22:16:50 EST


On Fri, 04 Apr 2014 07:52:53 +0800
"Li, Aubrey" <aubrey.li@xxxxxxxxxxxxxxx> wrote:

> On 2014/4/4 7:40, Steven Rostedt wrote:
> > On Fri, 04 Apr 2014 07:23:32 +0800
> > "Li, Aubrey" <aubrey.li@xxxxxxxxxxxxxxx> wrote:
> >
> >> Can you please send the dmi table out?
> >
> > I already did as a gz attachment to H. Peter. You were on the Cc, did
> > you not receive it?
> >
> Oh, I got it. This is a Preproduction machine.
> When reboot failed via a method (=e or =p), there are two case.
>
> Case 1: this method do nothing, pass the attempt chance to the next method
> Case 2: this method hangs the system
>
> I want to know if CF9 is case 1 or case 2. Could you please try the following
> patch *without* any reboot parameters?
>
> (1) If we didn't see any string, then EFI hangs your box.
> (2) if we see the first string but not the second one, CF9 hangs your box
> (3) if we see both, couldn't be, because BIOS works on your box.

Here's the output:

[ 114.445327] reboot: Restarting system
[ 114.449002] reboot: machine restart
[ 114.453495] reboot: reboot via CF9...

-- Steve
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