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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)
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