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To: Gavin Shan <gwshan@linux.vnet.ibm.com>, linuxppc-dev@ozlabs.org
From: Michael Ellerman <mpe@ellerman.id.au>
Subject: Re: [3/3] powerpc/eeh: Fix missed PE#0 on P7IOC
Message-Id: <20141126040910.AE17D14017B@ozlabs.org>
Date: Wed, 26 Nov 2014 15:09:10 +1100 (AEDT)
Cc: Gavin Shan <gwshan@linux.vnet.ibm.com>
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On Mon, 2014-24-11 at 22:27:00 UTC, Gavin Shan wrote:
> PE#0 should be regarded as valid for P7IOC, while it's invalid for
> PHB3. The patch adds flag EEH_VALID_PE_ZERO to differentiate those
> two cases. Without the patch, we possibly see frozen PE#0 state is
> cleared without EEH recovery taken on P7IOC as following kernel logs
> indicate:

This sounds like an urgent fix but I'm not sure.

cheers