linux-kernel - [LKP] [x86] f8eb0235f6: kmsg.pcengines_apuv2:failed_to_detect_apu_board_via

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Message-ID: <20190321080719.GJ2813@shao2-debian>
Date:   Thu, 21 Mar 2019 16:07:20 +0800
From:   kernel test robot <rong.a.chen@...el.com>
To:     EnricoWeigelt@...o2-debian, metux IT consult <info@...ux.net>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>, lkp@...org
Subject: [LKP] [x86] f8eb0235f6:
 kmsg.pcengines_apuv2:failed_to_detect_apu_board_via_dmi

FYI, we noticed the following commit (built with gcc-7):

commit: f8eb0235f65989fc5521c40c78d1261e7f25cdbe ("x86: pcengines apuv2 gpio/leds/keys platform driver")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

in testcase: rcutorture
with following parameters:

	runtime: 300s
	test: default
	torture_type: srcud

test-description: rcutorture is rcutorture kernel module load/unload test.
test-url: https://www.kernel.org/doc/Documentation/RCU/torture.txt


on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 8G

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):

[   64.151440 ] acerhdf: Acer Aspire One Fan driver, v.0.7.0
[   64.168193 ] acerhdf: unknown (unsupported) BIOS version QEMU/Standard PC (i440FX + PIIX, 1996)/1.10.2-1, please report, aborting!
[   64.213363 ] pcengines_apuv2: failed to detect apu board via dmi
[   64.234398 ] IDT PCI-E Non-Transparent Bridge Driver 2.0
[   64.253221 ] Intel(R) PCI-E Non-Transparent Bridge Driver 2.0
[   64.276914 ] intel_rapl: driver does not support CPU family 6 model 42
[   64.306656 ] parport0: cannot grant exclusive access for device MTS64
[   64.329350 ] snd_mts64: probe of snd_mts64.0 failed with error -5
[   64.352451 ] parport0: cannot grant exclusive access for device portman
[   64.373677 ] snd_portman2x4: probe of snd_portman2x4.0 failed with error -5
[   64.410229 ] _warn_unseeded_randomness: 1 callbacks suppressed
[   64.410264 ] random: get_random_u64 called from __kmem_cache_create+0x2f/0x3e2 with crng_init=0
[   64.455796 ] random: get_random_u64 called from cache_random_seq_create+0x55/0xf3 with crng_init=0
[   64.485905 ] random: get_random_u64 called from __kmem_cache_create+0x2f/0x3e2 with crng_init=0
[   64.518465 ] NET: Registered protocol family 10
[   64.551480 ] Segment Routing with IPv6
[   64.563597 ] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[   64.587255 ] 9pnet: Installing 9P2000 support


To reproduce:

        # build kernel
	cd linux
	cp config-5.0.0-rc6-00105-gf8eb023 .config
	make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 olddefconfig
	make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 prepare
	make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 modules_prepare
	make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 SHELL=/bin/bash
	make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 bzImage


        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email



Thanks,
Rong Chen


View attachment "config-5.0.0-rc6-00105-gf8eb023" of type "text/plain" (143022 bytes)

View attachment "job-script" of type "text/plain" (4773 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (17292 bytes)

View attachment "rcutorture" of type "text/plain" (3661 bytes)