FYI, we noticed the following commit:
https://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply.git fixes
commit 5bc28b93a36e3cb3acc2870fb75cb6ffb182fece ("power_supply:
power_supply_read_temp only if use_cnt > 0")
on test machine: vm-kbuild-yocto-ia32: 1 threads qemu-system-x86_64 -enable-kvm -cpu
Westmere with 320M memory
caused below changes:
[ 5.180382] __power_supply_register: Expected proper parent device for
'test_ac'
[ 5.181219] __power_supply_register: Expected proper parent device for
'test_battery'
[ 5.182252] thermal thermal_zone0: failed to read out thermal zone (-19)
[ 5.182916] __power_supply_register: Expected proper parent device for
'test_usb'
FYI, raw QEMU command line is:
qemu-system-x86_64 -enable-kvm -cpu Westmere -kernel
/pkg/linux/x86_64-randconfig-s3-06222353/gcc-6/5bc28b93a36e3cb3acc2870fb75cb6ffb182fece/vmlinuz-4.7.0-rc1-00001-g5bc28b9
-append 'root=/dev/ram0 user=lkp
job=/lkp/scheduled/vm-kbuild-yocto-ia32-2/bisect_boot-1-yocto-minimal-i386.cgz-x86_64-randconfig-s3-06222353-5bc28b93a36e3cb3acc2870fb75cb6ffb182fece-20160623-81162-1kedsbh-1.yaml
ARCH=x86_64 kconfig=x86_64-randconfig-s3-06222353
branch=linux-devel/devel-spot-201606222332 commit=5bc28b93a36e3cb3acc2870fb75cb6ffb182fece
BOOT_IMAGE=/pkg/linux/x86_64-randconfig-s3-06222353/gcc-6/5bc28b93a36e3cb3acc2870fb75cb6ffb182fece/vmlinuz-4.7.0-rc1-00001-g5bc28b9
max_uptime=600
RESULT_ROOT=/result/boot/1/vm-kbuild-yocto-ia32/yocto-minimal-i386.cgz/x86_64-randconfig-s3-06222353/gcc-6/5bc28b93a36e3cb3acc2870fb75cb6ffb182fece/0
LKP_SERVER=inn earlyprintk=ttyS0,115200 systemd.log_level=err debug apic=debug
sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1
nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200
console=tty0 vga=normal rw ip=::::vm-kbuild-yocto-ia32-2::dhcp drbd.minor_count=8'
-initrd /fs/sda1/initrd-vm-kbuild-yocto-ia32-2 -m 320 -smp 1 -device e1000,netdev=net0
-netdev user,id=net0 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime
-drive file=/fs/sda1/disk0-vm-kbuild-yocto-ia32-2,media=disk,if=virtio -pidfile
/dev/shm/kboot/pid-vm-kbuild-yocto-ia32-2 -serial
file:/dev/shm/kboot/serial-vm-kbuild-yocto-ia32-2 -daemonize -display none -monitor null
Thanks,
Xiaolong