linux-kernel - [lkp-robot] [EDAC, sb_edac] e2f747b1f4: kmsg.EDAC_sbridge:Failed_to_register_device_with

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Date:   Mon, 5 Jun 2017 14:22:31 +0800
From:   kernel test robot <xiaolong.ye@...el.com>
To:     Qiuxu Zhuo <qiuxu.zhuo@...el.com>
Cc:     Borislav Petkov <bp@...e.de>,
        linux-edac <linux-edac@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>, lkp@...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

View attachment "config-4.12.0-rc2-00004-ge2f747b" of type "text/plain" (159381 bytes)

View attachment "job-script" of type "text/plain" (7243 bytes)

Download attachment "kmsg.xz" of type "application/octet-stream" (21048 bytes)

View attachment "netperf" of type "text/plain" (2109 bytes)

View attachment "job.yaml" of type "text/plain" (4711 bytes)

View attachment "reproduce" of type "text/plain" (325 bytes)