[Skiboot] [PATCH RFC v2 00/12] opal-prd updates for p9

Vasant Hegde hegdevasant at linux.vnet.ibm.com
Tue Jun 6 14:57:14 AEST 2017

On 06/05/2017 01:27 PM, Stewart Smith wrote:
> Jeremy Kerr <jk at ozlabs.org> writes:
>> Hi all,
>> The following changes implement opal-prd functionality for P9. The core
>> change is the hostboot interface updates, and some base-level support
>> for the new callbacks.
>> Part of this series is the introduction of the opaque firmware <--> HBRT
>> channel, which means we should be able to avoid userspace (and kernel)
>> updates for future feature additions.
>> These patches are RFC only at this stage, and have ony had light
>> testing. Please let me know if you have any comments/changes.
> On witherspoon, with hostboot-d96098e (current op-build version as of
> "today"), opal-prd still segfaults somewhere in call_hbrt_init (i.e. the
> HBRT code).


Which distro are you running? If you compile (standard compilation)  and run 
on Ubuntu 17.04 it segfaults. I had observed this earlier.

Basically some flags in default compilation changes and which is causing this 
issue. Ihad asked Breno to follow up with Canonical.


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