> -----Original Message----- > From: Linux-nvdimm [mailto:linux-nvdimm-bounces@xxxxxxxxxxxx] On Behalf Of Vishal Verma > Sent: Thursday, October 25, 2018 1:06 PM ... > +++ b/drivers/acpi/nfit/mce.c > @@ -25,8 +25,8 @@ static int nfit_handle_mce(struct notifier_block *nb, unsigned long val, > struct acpi_nfit_desc *acpi_desc; > struct nfit_spa *nfit_spa; > > - /* We only care about memory errors */ > - if (!mce_is_memory_error(mce)) > + /* We only care about uncorrectable memory errors */ > + if (!mce_is_memory_error(mce) || mce_is_correctable(mce)) > return NOTIFY_DONE; Another function that calls those functions, cec_add_mce(), also calls mce_usable_address() to ensure the address valid bit is set. It doesn't look like nfit_handle_mce() ever confirms that before proceeding to use mce->addr (if it gets through that if statement). --- Robert Elliott, HPE Persistent Memory