checkstop processing

Joel Stanley joel at
Tue Nov 14 14:42:40 AEDT 2017

On Tue, Nov 14, 2017 at 8:04 AM, Sergey Kachkin <s.kachkin at> wrote:
> Hi all,
> i'm investigating the checkstop processing and looking for a way to isolate
> a faulty component with OpenBmc.
> So far SEL logs available via REST are not really helpful.
> Is there any data source in the openbmc to troubleshoot checkstops?
> I guess eSEL binary data parsed with can be more informative but do
> we have any procedure to grab the binary sel data and parse it with the
> latest obmc?
> Currently it seems that IPL checkstop analysis is not really working. i mean
> that faulty component is not deconfigured on the next boot and gard list is
> empty.
> It can be easily duplicated by injecting an error manually via putscom.

I think you've identified an area that would be great for improvement.

I'd like to expand the scope beyond just checkstop to other boot
failures: I've tried to boot machines recently that have failed to
even start hostboot, and I haven't known what has failed.

A tool that inspects recent error logs, and the state of the SBE would
be useful. We can leverage libpdbg to talk to the host.



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