Hi Xiaolong, Thanks! I'll look at it, and feedback ASAP.
BR qiuxu -----Original Message----- From: lkp-robot-requ...@eclists.intel.com [mailto:lkp-robot-requ...@eclists.intel.com] On Behalf Of Ye, Xiaolong Sent: Monday, June 5, 2017 2:23 PM To: Zhuo, Qiuxu <qiuxu.z...@intel.com> Cc: Borislav Petkov <b...@suse.de>; linux-edac <linux-e...@vger.kernel.org>; LKML <linux-kernel@vger.kernel.org>; Stephen Rothwell <s...@canb.auug.org.au>; l...@01.org Subject: [lkp-robot] [EDAC, sb_edac] e2f747b1f4: kmsg.EDAC_sbridge:Failed_to_register_device_with_error FYI, we noticed the following commit: commit: e2f747b1f42a2f6b0cf5416be1684c1b94a42f0f ("EDAC, sb_edac: Assign EDAC memory controller per h/w controller") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master in testcase: netperf with following parameters: ip: ipv4 runtime: 300s nr_threads: 25% cluster: cs-localhost test: TCP_CRR cpufreq_governor: performance test-description: Netperf is a benchmark that can be use to measure various aspect of networking performance. test-url: http://www.netperf.org/netperf/ on test machine: 16 threads Intel(R) Xeon(R) CPU D-1541 @ 2.10GHz with 8G memory caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): kern :err : [ 17.309988] EDAC sbridge: Some needed devices are missing kern :info : [ 17.504765] ast 0000:07:00.0: fb0: astdrmfb frame buffer device kern :info : [ 17.533508] EDAC MC: Removed device 0 for sbridge_edac.c Broadwell SrcID#0_Ha#0: DEV 0000:ff:12.0 kern :err : [ 17.533529] EDAC sbridge: Couldn't find mci handler kern :err : [ 17.533530] EDAC sbridge: Failed to register device with error -19. To reproduce: git clone https://github.com/01org/lkp-tests.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run job.yaml Thanks, Xiaolong