On Wed, Nov 26, 2014 at 03:09:10PM +1100, Michael Ellerman wrote: >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. >
You can pick it up for next release. Usually, we shouldn't see errors from PE#0. Something I did to force that for testing purpose: disable memory windows of the root complex and then access one of memory BARs on one adapter behind the root complex. Thanks, Gavin >cheers > _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev