FYI, we noticed the following commit:
commit: c698cbbd35daebf58ced376bb6f98dd013e6cf9e ("uvcvideo: send a control event when a Control Change interrupt arrives")
url: https://github.com/0day-ci/linux/commits/Guennadi-Liakhovetski/UVC-fix-queue_setup-to-check-the-number-of-planes/20170730-123108
base: git://linuxtv.org/media_tree.git master
in testcase: netperf
with following parameters:
ip: ipv4
runtime: 300s
nr_threads: 200%
cluster: cs-localhost
test: SCTP_STREAM
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: 4 threads Intel(R) Core(TM) i5-3317U CPU @ 1.70GHz with 4G memory
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
[ 74.743574] uvcvideo: Found UVC 1.00 device Lenovo EasyCamera (5986:0295)
[ 74.744636] uvcvideo: Failed to query (GET_INFO) UVC control 11 on unit 1: -32 (exp. 1).
[ 74.745523] input: Ideapad extra buttons as /devices/pci0000:00/0000:00:1f.0/PNP0C09:00/VPC2004:00/input/input15
[ 74.746246] uvcvideo: Failed to query (GET_INFO) UVC control 13 on unit 1: -32 (exp. 1).
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