Re: [coreboot] updating coreboot && SeaBIOS on an Acer C720

[Myles Watson]

My C720 shuts down as well.  Someone in this thread suggested that it was
related to whether or not the adapter is connected:

https://productforums.google.com/forum/#!topic/chromebook-central/gjSnZJeMEl...

I've yet to have it shut down when the adapter is connected, whether or not
the adapter is plugged into the wall.  Although that's not an optimal
solution, it has removed a lot of the frustration to have a workaround.

Thanks,
Myles

On Mon, Feb 9, 2015 at 7:20 AM, Aaron Durbin  wrote:
> On Mon, Feb 9, 2015 at 1:32 AM, Matthias Apitz  wrote:
> > El día Sunday, February 08, 2015 a las 11:14:10PM +0100, Idwer Vollering
>
> escribió:
> > > ?
> > >
> > > 2015-02-08 21:55 GMT+01:00 Matthias Apitz :
> > > > El día Sunday, February 08, 2015 a las 02:40:45PM -0600, Alex G.
>
> escribió:
> > > > > Suspect number one is the device overheating. The shutdown is
> > > > > triggered by the EC. I don't know how you can enable ACPI debug
>
> output
> > > > > on BSD though. On linux, it would be "echo 1 >
> > > > > /sys/module/acpi/parameters/aml_debug_output", so whatever the
>
> FreeBSD
> > > > > equivalent of that is.
> > >
> > > hw.acpi.verbose=1 would be a start.
> > > ...
> >
> > Thanks for all the hints.
> >
> > As I said, the events are sporadic, seldom, but complete power-off (like
> > as you would cut the cable from the motherboard). Of course the system
>
> has no
> > chance to write anything to /var/log/messages or console.
> >
> > My hope while writing to coreboot@ was to get a pointer to the list of
> > open ore solved issues within coreboot and/or SeaBIOS to see if this
> > issue is somewhat known, solved or could be related to some known or
> > solved issue. Where can I find such a list which is normally (as we do
> > in my company) attached to the Release Notes of a new version of
> > software.
>
> On the surface this doesn't sound like anything coreboot or SeaBIOS
> specific. Can you grab the cbmem console logs on the boot after the
> power off (cbmem -c)? There is also an eventlog sitting in memory as
> well that can be grabbed.  mosys
> (
> https://chromium.googlesource.com/chromiumos%2Fplatform%2Fmosys/+/refs%2Fhea...
> )
> should be able to do that work for you: mosys eventlog list
>
> The last thing to get is the EC console log. That's much harder to get
> as you have a kernel that doesn't have the EC driver in it. If you
> feel adventurous the tool (util/ectool) can be found here:
>
> https://chromium.googlesource.com/chromiumos%2Fplatform%2Fec/+/refs%2Fheads%...
>
> Hope that helps.
>
> -Aaron