FYI, we noticed the following commit:
https://github.com/0day-ci/linux
Ruslan-Bilovol/USB-Audio-Gadget-refactoring/20160524-075634
commit ab3455d638a872d4e4dc6562347d494fca8fd756 ("usb: gadget: f_uac2: remove
platform driver/device creation")
on test machine: vm-kbuild-yocto-x86_64: 1 threads qemu-system-x86_64 -enable-kvm -cpu
SandyBridge with 320M memory
caused below changes:
[ 39.403262] g_audio gadget: unable to register OSS PCM device 0:0
FYI, raw QEMU command line is:
qemu-system-x86_64 -enable-kvm -cpu SandyBridge -kernel
/pkg/linux/x86_64-randconfig-s2-05270032/gcc-6/ab3455d638a872d4e4dc6562347d494fca8fd756/vmlinuz-4.6.0-rc3-00058-gab3455d
-append 'root=/dev/ram0 user=lkp
job=/lkp/scheduled/vm-kbuild-yocto-x86_64-36/bisect_boot-1-yocto-minimal-x86_64.cgz-x86_64-randconfig-s2-05270032-ab3455d638a872d4e4dc6562347d494fca8fd756-20160527-68586-3w5kf5-0.yaml
ARCH=x86_64 kconfig=x86_64-randconfig-s2-05270032
branch=linux-devel/devel-hourly-2016052621 commit=ab3455d638a872d4e4dc6562347d494fca8fd756
BOOT_IMAGE=/pkg/linux/x86_64-randconfig-s2-05270032/gcc-6/ab3455d638a872d4e4dc6562347d494fca8fd756/vmlinuz-4.6.0-rc3-00058-gab3455d
max_uptime=600
RESULT_ROOT=/result/boot/1/vm-kbuild-yocto-x86_64/yocto-minimal-x86_64.cgz/x86_64-randconfig-s2-05270032/gcc-6/ab3455d638a872d4e4dc6562347d494fca8fd756/0
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-x86_64-36::dhcp drbd.minor_count=8'
-initrd /fs/sde1/initrd-vm-kbuild-yocto-x86_64-36 -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/sde1/disk0-vm-kbuild-yocto-x86_64-36,media=disk,if=virtio -pidfile
/dev/shm/kboot/pid-vm-kbuild-yocto-x86_64-36 -serial
file:/dev/shm/kboot/serial-vm-kbuild-yocto-x86_64-36 -daemonize -display none -monitor
null
Thanks,
Xiaolong