FYI, we noticed the below changes on
https://github.com/0day-ci/linux Emese-Revfy/Introduce-GCC-plugin-infrastructure/20160408-052328
commit 47faf3078f741dd7d854131a547615fa8e447dd5 ("Add sancov plugin")
[ 0.000000] percpu: Embedded 31 pages/cpu @ffff880013e00000 s88640 r8192 d30144 u1048576
[ 0.000000] pcpu-alloc: s88640 r8192 d30144 u1048576 alloc=1*2097152
[ 0.000000] pcpu-alloc: [0] 0 1
Elapsed time: 10
BUG: kernel boot crashed
qemu-system-x86_64 -enable-kvm -kernel /pkg/linux/x86_64-randconfig-n0-04081244/gcc-5/47faf3078f741dd7d854131a547615fa8e447dd5/vmlinuz-4.6.0-rc2-00006-g47faf30 -append 'root=/dev/ram0 user=lkp job=/lkp/scheduled/vm-vp-quantal-x86_64-62/bisect_boot-1-quantal-core-x86_64.cgz-x86_64-randconfig-n0-04081244-47faf3078f741dd7d854131a547615fa8e447dd5-20160410-42948-1n1aons-0.yaml ARCH=x86_64 kconfig=x86_64-randconfig-n0-04081244 branch=linux-devel/devel-hourly-2016040809 commit=47faf3078f741dd7d854131a547615fa8e447dd5 BOOT_IMAGE=/pkg/linux/x86_64-randconfig-n0-04081244/gcc-5/47faf3078f741dd7d854131a547615fa8e447dd5/vmlinuz-4.6.0-rc2-00006-g47faf30 max_uptime=600 RESULT_ROOT=/result/boot/1/vm-vp-quantal-x86_64/quantal-core-x86_64.cgz/x86_64-randconfig-n0-04081244/gcc-5/47faf3078f741dd7d854131a547615fa8e447dd5/0 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-vp-quantal-x86_64-62::dhcp drbd.minor_count=8' -initrd /fs/sdd1/initrd-vm-vp-quantal-x86_64-62 -m 360 -smp 2 -device e1000,netdev=net0 -netdev user,id=net0 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -pidfile /dev/shm/kboot/pid-vm-vp-quantal-x86_64-62 -serial file:/dev/shm/kboot/serial-vm-vp-quantal-x86_64-62 -daemonize -display none -monitor null
FYI, raw QEMU command line is:
qemu-system-x86_64 -enable-kvm -kernel /pkg/linux/x86_64-randconfig-n0-04081244/gcc-5/47faf3078f741dd7d854131a547615fa8e447dd5/vmlinuz-4.6.0-rc2-00006-g47faf30 -append 'root=/dev/ram0 user=lkp job=/lkp/scheduled/vm-vp-quantal-x86_64-62/bisect_boot-1-quantal-core-x86_64.cgz-x86_64-randconfig-n0-04081244-47faf3078f741dd7d854131a547615fa8e447dd5-20160410-42948-1n1aons-0.yaml ARCH=x86_64 kconfig=x86_64-randconfig-n0-04081244 branch=linux-devel/devel-hourly-2016040809 commit=47faf3078f741dd7d854131a547615fa8e447dd5 BOOT_IMAGE=/pkg/linux/x86_64-randconfig-n0-04081244/gcc-5/47faf3078f741dd7d854131a547615fa8e447dd5/vmlinuz-4.6.0-rc2-00006-g47faf30 max_uptime=600 RESULT_ROOT=/result/boot/1/vm-vp-quantal-x86_64/quantal-core-x86_64.cgz/x86_64-randconfig-n0-04081244/gcc-5/47faf3078f741dd7d854131a547615fa8e447dd5/0 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-vp-quantal-x86_64-62::dhcp drbd.minor_count=8' -initrd /fs/sdd1/initrd-vm-vp-quantal-x86_64-62 -m 360 -smp 2 -device e1000,netdev=net0 -netdev user,id=net0 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -pidfile /dev/shm/kboot/pid-vm-vp-quantal-x86_64-62 -serial file:/dev/shm/kboot/serial-vm-vp-quantal-x86_64-62 -daemonize -display none -monitor null
Thanks,
Kernel Test Robot
On Mon, 11 Apr 2016 09:40:19 +0800
kernel test robot <[email protected]> wrote:
> FYI, we noticed the below changes on
>
> https://github.com/0day-ci/linux Emese-Revfy/Introduce-GCC-plugin-infrastructure/20160408-052328
> commit 47faf3078f741dd7d854131a547615fa8e447dd5 ("Add sancov plugin")
>
>
> [ 0.000000] percpu: Embedded 31 pages/cpu @ffff880013e00000 s88640 r8192 d30144 u1048576
> [ 0.000000] pcpu-alloc: s88640 r8192 d30144 u1048576 alloc=1*2097152
> [ 0.000000] pcpu-alloc: [0] 0 1
>
> Elapsed time: 10
> BUG: kernel boot crashed
Thanks for the report, I will fix it soon.
--
Emese