> On Nov 12, 2017, at 11:08 PM, Tan, Jianfeng <jianfeng....@intel.com> wrote: > > Hi Jianjian, > >> -----Original Message----- >> From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Jianjian Huo >> Sent: Wednesday, November 8, 2017 5:13 AM >> To: dev@dpdk.org >> Subject: [dpdk-dev] DPDK memory error check and offline bad pages >> >> Hi dpdk developers, >> >> I have a question regarding how DPDK memory module treats memory >> errors. > > You mean hardware error which cannot be fixed by ECC? > >> >> In Linux kernel, it has mechanism (mcelog and EDAC) to monitor the memory >> controller and report correctable/uncorrectable memory errors. Using some >> configurations, if memory errors exceed threshold, system can offline bad >> memory pages and avoid applications to access/crash. > > DPDK app is just one of applications. Are there any framework to notify such > error to applications? > To notify is the first thing, to recover is another thing which takes more > effort. > >> Do we have similar mechanism in DPDK? > > No, as far as I know.
Because DPDK runs as a normal user space application in Linux then the current features in the Linux Kernel can be used correct? > > Thanks, > Jianfeng > >> >> Thanks, >> Jianjian >> > Regards, Keith
