linux-kernel - [lkp] [NFS] a938e65da3: BUG: kernel test hang

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Date:	Tue, 19 Jan 2016 09:57:03 +0800
From:	kernel test robot <ying.huang@...ux.intel.com>
TO:	Trond Myklebust <trond.myklebust@...marydata.com>
CC:	0day robot <fengguang.wu@...el.com>
Subject: [lkp] [NFS] a938e65da3: BUG: kernel test hang

FYI, we noticed the below changes on

git://internal_merge_and_test_tree revert-a938e65da3843cf2122b1a4d3b209754f22ad44e-a938e65da3843cf2122b1a4d3b209754f22ad44e
commit a938e65da3843cf2122b1a4d3b209754f22ad44e ("NFS: Fix attribute cache revalidation")


[   13.828531] Key type dns_resolver registered
[   13.833960] NFS: Registering the id_resolver key type
[   13.835138] Key type id_resolver registered
[   13.836178] Key type id_legacy registered

Elapsed time: 1520
BUG: kernel test hang
qemu-system-x86_64 -enable-kvm -cpu Haswell,+smep,+smap -kernel /pkg/linux/x86_64-rhel/gcc-4.9/a938e65da3843cf2122b1a4d3b209754f22ad44e/vmlinuz-4.4.0-rc7-00001-ga938e65 -append 'root=/dev/ram0 user=lkp job=/lkp/scheduled/vm-kbuild-1G-5/rand_boot-1-debian-x86_64.cgz-x86_64-rhel-a938e65da3843cf2122b1a4d3b209754f22ad44e-20160118-13026-sjxx2g-0.yaml ARCH=x86_64 kconfig=x86_64-rhel branch=linux-review/Trond-Myklebust/NFS-Fix-attribute-cache-revalidation/20151230-080549 commit=a938e65da3843cf2122b1a4d3b209754f22ad44e BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/a938e65da3843cf2122b1a4d3b209754f22ad44e/vmlinuz-4.4.0-rc7-00001-ga938e65 max_uptime=600 RESULT_ROOT=/result/boot/1/vm-kbuild-1G/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/a938e65da3843cf2122b1a4d3b209754f22ad44e/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-1G-5::dhcp'  -initrd /fs/sdf1/initrd-vm-kbuild-1G-5 -m 1024 -smp 2 -device e1000,netdev=net0 -netdev user,id=net0,hostfwd=tcp::23004-:22 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -device virtio-scsi-pci,id=scsi0 -drive file=/fs/sdf1/disk0-vm-kbuild-1G-5,if=none,id=hd0,media=disk,aio=native,cache=none -device scsi-hd,bus=scsi0.0,drive=hd0,scsi-id=1,lun=0 -drive file=/fs/sdf1/disk1-vm-kbuild-1G-5,if=none,id=hd1,media=disk,aio=native,cache=none -device scsi-hd,bus=scsi0.0,drive=hd1,scsi-id=1,lun=1 -drive file=/fs/sdf1/disk2-vm-kbuild-1G-5,if=none,id=hd2,media=disk,aio=native,cache=none -device scsi-hd,bus=scsi0.0,drive=hd2,scsi-id=1,lun=2 -drive file=/fs/sdf1/disk3-vm-kbuild-1G-5,if=none,id=hd3,media=disk,aio=native,cache=none -device scsi-hd,bus=scsi0.0,drive=hd3,scsi-id=1,lun=3 -drive file=/fs/sdf1/disk4-vm-kbuild-1G-5,if=none,id=hd4,media=disk,aio=native,cache=none -device scsi-hd,bus=scsi0.0,drive=hd4,scsi-id=1,lun=4 -pidfile /dev/shm/kboot/pid-vm-kbuild-1G-5 -serial file:/dev/shm/kboot/serial-vm-kbuild-1G-5 -daemonize -display none -monitor null 


BTW: in our testing, a NFS fs will be mount.


Thanks,
Ying Huang

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