Thread (29 messages) 29 messages, 5 authors, 2017-11-09

[lkp-robot] [uvcvideo] c698cbbd35: Failed to query (GET_INFO) UVC control 11 on unit 1: -32 (exp. 1).

From: kernel test robot <hidden>
Date: 2017-08-08 02:19:53
Also in: oe-lkp

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

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