SLOF[0m[?25l ********************************************************************** [1mQEMU Starting [0m Build Date = Oct 9 2015 00:25:21 FW Version = buildd@ release 20140630 Press "s" to enter Open Firmware. [0m[?25hC0000C0100C0120C0140C0200C0201C0220C0240C0260C0270C02E0C0300C0320C0340C0360C0370C0380C0371C0372C0373C0374C0390C03F0C0400C0480C04 C0C04D0C0500Populating /vdevice methods Populating /vdevice/vty@30000000 Populating /vdevice/vty@30001000 Populating /vdevice/nvram@71000000 C0580C05A0Populating /pci@800000020000000 Adapters on 0800000020000000 00 0800 (D) : 1af4 1000 virtio [ net ] 00 1000 (D) : 106b 003f serial bus [ usb-ohci ] 00 1800 (D) : 1af4 1001 virtio [ block ] 00 2000 (D) : 1af4 1002 unknown-legacy-device* C0600C0640C0690C06A0C06A8C06B0C06B8C06C0C06E0C0700C0800C0880No NVRAM common partition, re-initializing... C0890C08A0C08A8C08B0Scanning USB OHCI: initializing C08C0C08D0Using default console: /vdevice/vty@30000000 C08E0C08E8C08FF Welcome to Open Firmware Copyright (c) 2004, 2011 IBM Corporation All rights reserved. This program and the accompanying materials are made available under the terms of the BSD License available at http://www.opensource.org/licenses/bsd-license.php Trying to load: from: /pci@800000020000000/scsi@3 ... No DOS disk-label found. Successfully loaded [?25l[37m[40m[37m[40merror: no suitable video mode found. Loading Linux 4.8.0-11-generic ... Loading initial ramdisk ... OF stdout device is: /vdevice/vty@30000000 Preparing to boot Linux version 4.8.0-11-generic (buildd@bos01-ppc64el-017) (gcc version 6.2.0 20160914 (Ubuntu 6.2.0-3ubuntu15) ) #12-U buntu SMP Sat Sep 17 19:58:16 UTC 2016 (Ubuntu 4.8.0-11.12-generic 4.8.0-rc6) Detected machine type: 0000000000000101 Max number of cores passed to firmware: 2048 (NR_CPUS = 2048) Calling ibm,client-architecture-support... done command line: BOOT_IMAGE=/boot/vmlinux-4.8.0-11-generic root=UUID=eb18c3fd-7a6a-4a93-a02b-484cf849195c ro console=hvc0 earlyprintk memory layout at init: memory_limit : 0000000000000000 (16 MB aligned) alloc_bottom : 00000000054e0000 alloc_top : 0000000030000000 alloc_top_hi : 0000000060000000 rmo_top : 0000000030000000 ram_top : 0000000060000000 instantiating rtas at 0x000000002fff0000... done prom_hold_cpus: skipped copying OF device tree... Building dt strings... Building dt structure... Device tree strings 0x00000000054f0000 -> 0x00000000054f0849 Device tree struct 0x0000000005500000 -> 0x0000000005510000 Quiescing Open Firmware ... Booting Linux via __start() @ 0x0000000002000000 ... [ 0.000000] Page sizes from device-tree: [ 0.000000] base_shift=12: shift=12, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=0 [ 0.000000] base_shift=16: shift=16, sllp=0x0110, avpnm=0x00000000, tlbiel=1, penc=1 [ 0.000000] Using 1TB segments [ 0.000000] Initializing hash mmu with SLB [ 0.000000] Linux version 4.8.0-11-generic (buildd@bos01-ppc64el-017) (gcc version 6.2.0 20160914 (Ubuntu 6.2.0-3ubuntu15) ) #12-Ubun tu SMP Sat Sep 17 19:58:16 UTC 2016 (Ubuntu 4.8.0-11.12-generic 4.8.0-rc6) [ 0.000000] Found initrd at 0xc000000003300000:0xc0000000054dc330 [ 0.000000] Using pSeries machine description [ 0.000000] bootconsole [udbg0] enabled [ 0.000000] CPU maps initialized for 1 thread per core -> smp_release_cpus() spinning_secondaries = 0 <- smp_release_cpus() [ 0.000000] ----------------------------------------------------- [ 0.000000] ppc64_pft_size = 0x18 [ 0.000000] phys_mem_size = 0x60000000 [ 0.000000] dcache_bsize = 0x80 [ 0.000000] icache_bsize = 0x80 [ 0.000000] cpu_features = 0x37fc7a6c18500249 [ 0.000000] possible = 0x3fffffff18500649 [ 0.000000] always = 0x0000000018100040 [ 0.000000] cpu_user_features = 0xdc0065c2 0xef000000 [ 0.000000] mmu_features = 0x58000001 [ 0.000000] firmware_features = 0x000000014052440b [ 0.000000] htab_hash_mask = 0x1ffff [ 0.000000] ----------------------------------------------------- [ 0.000000] numa: Initmem setup node 0 [mem 0x00000000-0x5fffffff] [ 0.000000] numa: NODE_DATA [mem 0x5ffe2300-0x5ffebfff] [ 0.000000] PCI host bridge /pci@800000020000000 ranges: [ 0.000000] IO 0x0000010080000000..0x000001008000ffff -> 0x0000000000000000 [ 0.000000] MEM 0x00000100a0000000..0x00000100bfffffff -> 0x0000000080000000 [ 0.000000] PPC64 nvram contains 65536 bytes [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000000000-0x000000005fffffff] [ 0.000000] DMA32 empty [ 0.000000] Normal empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000000000-0x000000005fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x000000005fffffff] [ 0.000000] percpu: Embedded 3 pages/cpu @c00000005fe00000 s147736 r0 d48872 u1048576 [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 24552 [ 0.000000] Policy zone: DMA [ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinux-4.8.0-11-generic root=UUID=eb18c3fd-7a6a-4a93-a02b-484cf849195c ro console= hvc0 earlyprintk [ 0.000000] PID hash table entries: 4096 (order: -1, 32768 bytes) [ 0.000000] Sorting __ex_table... [ 0.000000] Memory: 1517120K/1572864K available (8768K kernel code, 1344K rwdata, 1968K rodata, 3776K init, 2247K bss, 55744K reserve d, 0K cma-reserved) [ 0.000000] Hierarchical RCU implementation. [ 0.000000] Build-time adjustment of leaf fanout to 64. [ 0.000000] RCU restricting CPUs from NR_CPUS=2048 to nr_cpu_ids=1. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=1 [ 0.000000] NR_IRQS:512 nr_irqs:512 16 [ 0.000001] clocksource: timebase: mask: 0xffffffffffffffff max_cycles: 0x761537d007, max_idle_ns: 440795202126 ns [ 0.001005] clocksource: timebase mult[1f40000] shift[24] registered [ 0.001844] Console: colour dummy device 80x25 [ 0.002266] console [hvc0] enabled [ 0.002266] console [hvc0] enabled [ 0.002612] bootconsole [udbg0] disabled [ 0.002612] bootconsole [udbg0] disabled [ 0.003038] pid_max: default: 32768 minimum: 301 [ 0.003190] Security Framework initialized [ 0.003218] Yama: becoming mindful. [ 0.003259] AppArmor: AppArmor initialized [ 0.003340] Dentry cache hash table entries: 262144 (order: 5, 2097152 bytes) [ 0.003796] Inode-cache hash table entries: 131072 (order: 4, 1048576 bytes) [ 0.004043] Mount-cache hash table entries: 8192 (order: 0, 65536 bytes) [ 0.004089] Mountpoint-cache hash table entries: 8192 (order: 0, 65536 bytes) [ 0.004436] ftrace: allocating 22613 entries in 9 pages [ 0.012372] EEH: pSeries platform initialized [ 0.012440] POWER8 performance monitor hardware support registered [ 0.012485] power8-pmu: PMAO restore workaround active. [ 0.012873] Brought up 1 CPUs [ 0.013093] devtmpfs: initialized [ 0.036468] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 0.036686] NET: Registered protocol family 16 [ 0.036733] EEH functionality not supported [ 0.036791] IBM eBus Device Driver [ 0.036943] cpuidle: using governor ladder [ 0.036970] cpuidle: using governor menu [ 0.037014] rtasd: No event-scan on system Linux ppc64le #12-Ubuntu SMP S[ 0.037851] PCI: Probing PCI hardware [ 0.037916] PCI host bridge to bus 0000:00 [ 0.037945] pci_bus 0000:00: root bus resource [io 0x10000-0x1ffff] (bus address [0x0000-0xffff]) [ 0.038005] pci_bus 0000:00: root bus resource [mem 0x100a0000000-0x100bfffffff] (bus address [0x80000000-0x9fffffff]) [ 0.038085] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.064682] IOMMU table initialized, virtual merging enabled [ 0.066065] SCSI subsystem initialized [ 0.066155] vgaarb: loaded [ 0.066298] NetLabel: Initializing [ 0.066328] NetLabel: domain hash size = 128 [ 0.066363] NetLabel: protocols = UNLABELED CIPSOv4 [ 0.066410] NetLabel: unlabeled traffic allowed by default [ 0.066477] clocksource: Switched to clocksource timebase [ 0.073835] VFS: Disk quotas dquot_6.6.0 [ 0.073957] VFS: Dquot-cache hash table entries: 8192 (order 0, 65536 bytes) [ 0.074028] hugetlbfs: disabling because there are no supported hugepage sizes [ 0.074124] AppArmor: AppArmor Filesystem Enabled [ 0.075643] NET: Registered protocol family 2 [ 0.075802] TCP established hash table entries: 16384 (order: 1, 131072 bytes) [ 0.075889] TCP bind hash table entries: 16384 (order: 2, 262144 bytes) [ 0.075961] TCP: Hash tables configured (established 16384 bind 16384) [ 0.076012] UDP hash table entries: 2048 (order: 0, 65536 bytes) [ 0.076065] UDP-Lite hash table entries: 2048 (order: 0, 65536 bytes) [ 0.076142] NET: Registered protocol family 1 [ 0.134936] Unpacking initramfs... [ 0.604812] Freeing initrd memory: 34624K (c000000003300000 - c0000000054d0000) [ 0.608530] Hypercall H_BEST_ENERGY not supported [ 0.608742] futex hash table entries: 256 (order: -1, 32768 bytes) [ 0.608807] audit: initializing netlink subsys (disabled) [ 0.608883] audit: type=2000 audit(1474299072.600:1): initialized [ 0.609110] Initialise system trusted keyrings [ 0.609224] workingset: timestamp_bits=38 max_order=15 bucket_order=0 [ 0.609281] zbud: loaded [ 0.644322] Key type asymmetric registered [ 0.644353] Asymmetric key parser 'x509' registered [ 0.644406] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251) [ 0.644483] io scheduler noop registered [ 0.644510] io scheduler deadline registered [ 0.644550] io scheduler cfq registered (default) [ 0.644646] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 0.644909] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled [ 0.645133] Linux agpgart interface v0.103 [ 0.645252] mousedev: PS/2 mouse device common for all mice [ 0.645348] rtc-generic rtc-generic: rtc core: registered rtc-generic as rtc0 [ 0.645434] ledtrig-cpu: registered to indicate activity on CPUs [ 0.645573] NET: Registered protocol family 10 [ 0.645815] mip6: Mobile IPv6 [ 0.645844] NET: Registered protocol family 17 [ 0.645880] mpls_gso: MPLS GSO support [ 0.646026] registered taskstats version 1 [ 0.646055] Loading compiled-in X.509 certificates [ 0.646105] call_modprobe: crypto-pkcs1pad(rsa,sha512) 2 [ 0.647032] call_modprobe: crypto-pkcs1pad(rsa,sha512)-all 2 [ 0.647705] alg: No test for pkcs1pad(rsa,sha512) (pkcs1pad(rsa-generic,sha512)) [ 0.648431] Loaded X.509 cert 'Build time autogenerated kernel key: 51fc3c90ee70093c05441390eb702fead97304ec' [ 0.648516] zswap: loaded using pool lzo/zbud [ 0.648588] AppArmor: AppArmor sha1 policy hashing enabled [ 0.648752] rtc-generic rtc-generic: setting system clock to 2016-09-19 15:31:13 UTC (1474299073) [ 0.649492] Freeing unused kernel memory: 3776K (c000000000a90000 - c000000000e40000) [ 0.649545] This architecture does not have kernel memory protection. Loading, please wait... starting version 231 [ 0.663074] random: systemd-udevd: uninitialized urandom read (16 bytes read) [ 0.663239] random: systemd-udevd: uninitialized urandom read (16 bytes read) [ 0.663301] random: systemd-udevd: uninitialized urandom read (16 bytes read) [ 0.663362] random: systemd-udevd: uninitialized urandom read (16 bytes read) [ 0.664189] random: udevadm: uninitialized urandom read (16 bytes read) [ 0.664282] random: udevadm: uninitialized urandom read (16 bytes read) [ 0.664405] random: udevadm: uninitialized urandom read (16 bytes read) [ 0.664482] random: udevadm: uninitialized urandom read (16 bytes read) [ 0.664588] random: udevadm: uninitialized urandom read (16 bytes read) [ 0.664709] random: udevadm: uninitialized urandom read (16 bytes read) [ 0.693342] virtio-pci 0000:00:01.0: enabling device (0100 -> 0103) [ 0.693950] virtio-pci 0000:00:01.0: virtio_pci: leaving for legacy driver [ 0.703447] virtio-pci 0000:00:03.0: enabling device (0100 -> 0103) [ 0.704169] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 0.711936] alg: hash: Test 1 failed for crc32c-vpmsum [ 0.711981] 00000000: ff ff ff ff [ 0.712066] virtio-pci 0000:00:04.0: enabling device (0100 -> 0101) [ 0.712518] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 0.720405] usbcore: registered new interface driver usbfs [ 0.720470] usbcore: registered new interface driver hub [ 0.721936] usbcore: registered new device driver usb [ 0.732086] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 0.734402] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 0.747711] ehci-pci: EHCI PCI platform driver [ 0.748663] ohci-pci: OHCI PCI platform driver [ 0.749260] ohci-pci 0000:00:02.0: OHCI PCI host controller [ 0.749301] ohci-pci 0000:00:02.0: new USB bus registered, assigned bus number 1 [ 0.749440] ohci-pci 0000:00:02.0: irq 18, io mem 0x100b0080000 [ 0.751738] virtio_net virtio0 enp0s1: renamed from eth0 [ 0.753738] vda: vda1 vda2 [ 0.806804] usb usb1: New USB device found, idVendor=1d6b, idProduct=0001 [ 0.806889] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 0.806941] usb usb1: Product: OHCI PCI host controller [ 0.806976] usb usb1: Manufacturer: Linux 4.8.0-11-generic ohci_hcd [ 0.807020] usb usb1: SerialNumber: 0000:00:02.0 [ 0.807230] hub 1-0:1.0: USB hub found [ 0.807333] hub 1-0:1.0: 3 ports detected Begin: Loading essential drivers ... [ 1.857479] md: linear personality registered for level -1 [ 1.860101] md: multipath personality registered for level -4 [ 1.862675] md: raid0 personality registered for level 0 [ 1.865652] md: raid1 personality registered for level 1 [ 1.938484] raid6: altivecx1 gen() 9317 MB/s [ 2.006478] raid6: altivecx2 gen() 15913 MB/s [ 2.074477] raid6: altivecx4 gen() 22511 MB/s [ 2.142481] raid6: altivecx8 gen() 16435 MB/s [ 2.210494] raid6: int64x1 gen() 4009 MB/s [ 2.278483] raid6: int64x1 xor() 1401 MB/s [ 2.346479] raid6: int64x2 gen() 7993 MB/s [ 2.414480] raid6: int64x2 xor() 2549 MB/s [ 2.482480] raid6: int64x4 gen() 10717 MB/s [ 2.550490] raid6: int64x4 xor() 2242 MB/s [ 2.618483] raid6: int64x8 gen() 3075 MB/s [ 2.686483] raid6: int64x8 xor() 1567 MB/s [ 2.686555] raid6: using algorithm altivecx4 gen() 22511 MB/s [ 2.686598] raid6: using intx1 recovery algorithm [ 2.688360] xor: measuring software checksum speed [ 2.726477] 8regs : 16944.000 MB/sec [ 2.766479] 8regs_prefetch: 15264.000 MB/sec [ 2.806478] 32regs : 18160.000 MB/sec [ 2.846478] 32regs_prefetch: 16272.000 MB/sec [ 2.886479] altivec : 24880.000 MB/sec [ 2.886508] xor: using function: altivec (24880.000 MB/sec) [ 2.897392] md: raid6 personality registered for level 6 [ 2.897455] md: raid5 personality registered for level 5 [ 2.897490] md: raid4 personality registered for level 4 [ 2.902765] md: raid10 personality registered for level 10 done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/local-top ... done. Begin: Running /scripts/local-premount ... [ 2.940779] Btrfs loaded, crc32c=crc32c-generic Scanning for Btrfs filesystems done. Warning: fsck not present, so skipping root file system [ 2.984443] EXT4-fs (vda1): mounted filesystem with ordered data mode. Opts: (null) done. Begin: Running /scripts/local-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 3.048713] ip_tables: (C) 2000-2006 Netfilter Core Team [ 3.051744] random: fast init done [ 3.053523] systemd[1]: systemd 231 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETU P +GCRYPT +GNUTLS +ACL +XZ -LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN) [ 3.053680] systemd[1]: Detected virtualization kvm. [ 3.053720] systemd[1]: Detected architecture ppc64-le. Welcome to [1mUbuntu 16.10[0m! [ 3.054760] systemd[1]: Set hostname to . [ 3.110375] systemd[1]: apport-forward.socket: Cannot add dependency job, ignoring: Unit apport-forward.socket is masked. [ 3.111095] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on Journal Socket. [ 3.111430] systemd[1]: Listening on Device-mapper event daemon FIFOs. [[0;32m OK [0m] Listening on Device-mapper event daemon FIFOs. [ 3.111698] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started Forward Password Requests to Wall Directory Watch. [ 3.111977] systemd[1]: Listening on LVM2 poll daemon socket. [[0;32m OK [0m] Listening on LVM2 poll daemon socket. [ 3.112785] systemd[1]: Listening on Process Core Dump Socket. [[0;32m OK [0m] Listening on Process Core Dump Socket. [[0;32m OK [0m] Listening on Syslog Socket. [[0;32m OK [0m] Created slice User and Session Slice. [[0;32m OK [0m] Listening on /dev/initctl Compatibility Named Pipe. [[0;32m OK [0m] Reached target Swap. [[0;32m OK [0m] Reached target Encrypted Volumes. [[0;32m OK [0m] Set up automount Arbitrary Executab...ats File System Automount Point. [[0;32m OK [0m] Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on udev Control Socket. [[0;32m OK [0m] Listening on udev Kernel Socket. [[0;32m OK [0m] Reached target User and Group Name Lookups. [[0;32m OK [0m] Created slice System Slice. Starting Load Kernel Modules... Starting Uncomplicated firewall... Starting Nameserver information manager... [[0;32m OK [0m] Reached target Slices. Starting Remount Root and Kernel File Systems... [[0;32m OK [0m] Created slice system-serial\x2dgetty.slice. Mounting POSIX Message Queue File System... Mounting Debug File System... [[0;32m OK [0m] Listening on LVM2 metadata daemon socket. Starting Monitoring of LVM2 mirrors... dmeventd or progress polling... [[0;32m OK [0m] Listening on Journal Audit Socket. Starting Journal Service... Starting Set the console keyboard layout... Starting Create list of required st... nodes for the current kernel... [[0;32m OK [0m] Started Uncomplicated firewall. [[0;32m OK [0m] Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted Debug File System. [[0;32m OK [0m] Started Create list of required sta...ce nodes for the current kernel. Starting Create Static Device Nodes in /dev... [[0;32m OK [0m] Started Nameserver information manager. [ 3.185830] EXT4-fs (vda1): re-mounted. Opts: (null) [[0;32m OK [0m] Started Remount Root and Kernel File Systems. Starting Load/Save Random Seed... Starting udev Coldplug all Devices... [[0;32m OK [0m] Started LVM2 metadata daemon. [[0;32m OK [0m] Started Create Static Device Nodes in /dev. Starting udev Kernel Device Manager... [ 3.223448] Loading iSCSI transport class v2.0-870. [[0;32m OK [0m] Started Monitoring of LVM2 mirrors,...ng dmeventd or progress polling. [[0;32m OK [0m] Started Load/Save Random Seed. [ 3.254021] iscsi: registered transport (tcp) [[0;32m OK [0m] Started Journal Service. Starting Flush Journal to Persistent Storage... [ 3.262580] systemd-journald[280]: Received request to flush runtime journal from PID 1 [[0;32m OK [0m] Started Flush Journal to Persistent Storage. [[0;32m OK [0m] Started udev Kernel Device Manager. [ 3.345246] iscsi: registered transport (iser) [[0;32m OK [0m] Started Load Kernel Modules. Starting Apply Kernel Variables... Mounting Configuration File System... [[0;32m OK [0m] Mounted Configuration File System. [[0;32m OK [0m] Started Apply Kernel Variables. [[0;32m OK [0m] Started udev Coldplug all Devices. [[0;32m OK [0m] Found device /dev/hvc0. [[0;32m OK [0m] Found device Virtio network device. [[0;32m OK [0m] Started Set the console keyboard layout. [[0;32m OK [0m] Reached target Local File Systems (Pre). [[0;32m OK [0m] Reached target Local File Systems. Starting Tell Plymouth To Write Out Runtime Data... Starting Set console font and keymap... Starting AppArmor initialization... Starting Create Volatile Files and Directories... [[0;32m OK [0m] Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started Tell Plymouth To Write Out Runtime Data. [ 3.937785] Unable to handle kernel paging request for data at address 0x00000148 [ 3.937840] Faulting instruction address: 0xc000000000192134 [ 3.937885] Oops: Kernel access of bad area, sig: 11 [#1] [ 3.937919] SMP NR_CPUS=2048 NUMA pSeries [ 3.937957] Modules linked in: ghash_generic gf128mul vmx_crypto virtio_balloon ib_iser rdma_cm iw_cm ib_cm ib_core configfs iscsi_tc p libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 ext4 crc16 jbd2 fscrypto mbcache btrfs raid10 raid456 async_raid 6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c crc32c_generic raid1 raid0 multipath linear md_mod ohci_pci ehci _pci virtio_blk virtio_net ohci_hcd ehci_hcd usbcore crc32c_vpmsum usb_common virtio_pci virtio_ring virtio [ 3.938463] CPU: 0 PID: 1 Comm: systemd Not tainted 4.8.0-11-generic #12-Ubuntu [ 3.938515] task: c00000005e611600 task.stack: c00000005e62c000 [ 3.938558] NIP: c000000000192134 LR: c00000000019ce70 CTR: fffffffffffffff9 [ 3.938609] REGS: c00000005e62f8c0 TRAP: 0300 Not tainted (4.8.0-11-generic) [ 3.938660] MSR: 8000000000009033 CR: 28002444 XER: 20000000 [ 3.938783] CFAR: 00003fffacd526b4 DAR: 0000000000000148 DSISR: 40000000 SOFTE: 0 GPR00: c00000000019ce70 c00000005e62fb40 c000000000f46700 0000000000000000 GPR04: c000000052ad6000 c0000000042f0000 ffff0a00ffffff04 c000000000e61e50 GPR08: 000000000000000a c00000005aff6560 c00000005aff6540 0000000000000002 GPR12: 0000000022002848 c00000000fb80000 c000000000f036b8 c000000052ad6000 GPR16: 0000000000000002 c0000000009a25c0 c000000000e61768 c000000000972710 GPR20: c0000000009a25b0 c000000053c57000 c000000000999aa0 c000000000e61790 GPR24: c0000000529cc400 c0000000009e1f10 c00000000111d630 c000000000974840 GPR28: c0000000009cb5d8 c000000052c2d400 c000000052ad6000 c00000005e8c7c38 [ 3.939500] NIP [c000000000192134] cset_cgroup_from_root+0x74/0xc0 [ 3.939544] LR [c00000000019ce70] proc_cgroup_show+0x200/0x3c0 [ 3.939587] Call Trace: [ 3.939606] [c00000005e62fb40] [c0000000003459bc] seq_printf+0x4c/0x60 (unreliable) [ 3.939667] [c00000005e62fb70] [c00000000019ce70] proc_cgroup_show+0x200/0x3c0 [ 3.939734] [c00000005e62fc60] [c0000000003ab150] proc_single_show+0x80/0x100 [ 3.939786] [c00000005e62fcb0] [c000000000344ec8] seq_read+0xe8/0x550 [ 3.939838] [c00000005e62fd50] [c00000000030c03c] __vfs_read+0x6c/0xe0 [ 3.939890] [c00000005e62fd90] [c00000000030d5bc] vfs_read+0xbc/0x1b0 [ 3.939942] [c00000005e62fde0] [c00000000030f38c] SyS_read+0x6c/0x110 [ 3.939995] [c00000005e62fe30] [c0000000000095e0] system_call+0x38/0x108 [ 3.940046] Instruction dump: [ 3.940073] 7fbf4800 3949ffe0 409e0024 48000060 60000000 60000000 60420000 e92a0020 [ 3.940163] 7fbf4800 3949ffe0 419e0044 e869ffe0 7fbe4800 409effe4 7c690074 [ 3.940254] ---[ end trace 382c5ab8a03ed52c ]--- [ 3.941641] [ 26.950477] INFO: rcu_sched detected stalls on CPUs/tasks: [ 26.952052] (detected by 0, t=5252 jiffies, g=354, c=353, q=13) [ 26.952113] All QSes seen, last rcu_sched kthread activity 5252 (4294899032-4294893780), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 26.952205] ksoftirqd/0 R running task 0 3 2 0x00000804 [ 26.952269] Call Trace: [ 26.952317] [c00000005e6232d0] [c00000000010bf90] sched_show_task+0xe0/0x180 (unreliable) [ 26.952385] [c00000005e623340] [c000000000159110] rcu_check_callbacks+0xc40/0xc60 [ 26.952446] [c00000005e623480] [c000000000161714] update_process_times+0x44/0x90 [ 26.952513] [c00000005e6234b0] [c000000000179cf8] tick_sched_handle.isra.4+0x48/0xe0 [ 26.952574] [c00000005e6234f0] [c000000000179df4] tick_sched_timer+0x64/0xd0 [ 26.952627] [c00000005e623530] [c000000000162874] __hrtimer_run_queues+0x124/0x4e0 [ 26.952688] [c00000005e6235c0] [c0000000001635fc] hrtimer_interrupt+0xec/0x2b0 [ 26.952749] [c00000005e623680] [c000000000024acc] __timer_interrupt+0x8c/0x2f0 [ 26.952810] [c00000005e6236d0] [c0000000000252d8] timer_interrupt+0xb8/0x110 [ 26.952862] [c00000005e623700] [c000000000002858] decrementer_common+0x158/0x180 [ 26.952929] --- interrupt: 901 at _raw_spin_lock_irqsave+0xa4/0x130 [ 26.952929] LR = _raw_spin_lock_irqsave+0x128/0x130 [ 26.953007] [c00000005e623a30] [c000000000196690] put_css_set+0x90/0xd0 [ 26.953059] [c00000005e623a70] [c00000000019d610] cgroup_free+0xb0/0xe0 [ 26.953112] [c00000005e623ad0] [c0000000000c36c8] __put_task_struct+0x68/0x170 [ 26.953173] [c00000005e623b00] [c0000000000cb230] delayed_put_task_struct+0x70/0x140 [ 26.953234] [c00000005e623b40] [c000000000156950] rcu_process_callbacks+0x370/0x810 [ 26.953295] [c00000005e623bf0] [c000000000886ccc] __do_softirq+0x19c/0x470 [ 26.953347] [c00000005e623cf0] [c0000000000cf8b8] run_ksoftirqd+0x48/0xd0 [ 26.953400] [c00000005e623d20] [c0000000000fc350] smpboot_thread_fn+0x2a0/0x2d0 [ 26.953460] [c00000005e623d80] [c0000000000f6870] kthread+0x110/0x130 [ 26.953513] [c00000005e623e30] [c000000000009968] ret_from_kernel_thread+0x5c/0x74 [ 26.953579] rcu_sched kthread starved for 5252 jiffies! g354 c353 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 [ 26.953639] rcu_sched R running task 0 7 2 0x00000800 [ 26.953692] Call Trace: [ 26.953711] [c00000005e69fa50] [c00000000001af4c] __switch_to+0x29c/0x420 [ 26.953764] [c00000005e69fab0] [c00000000087aa50] __schedule+0x270/0x9e0 [ 26.953817] [c00000005e69fb80] [c00000000087b208] schedule+0x48/0xc0 [ 26.953869] [c00000005e69fbb0] [c00000000087f76c] schedule_timeout+0x25c/0x530 [ 26.953930] [c00000005e69fcb0] [c000000000157ba4] rcu_gp_kthread+0x634/0xb20 [ 26.953982] [c00000005e69fd80] [c0000000000f6870] kthread+0x110/0x130 [ 26.954035] [c00000005e69fe30] [c000000000009968] ret_from_kernel_thread+0x5c/0x74 [ 28.014484] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [ksoftirqd/0:3] [ 28.014572] Modules linked in: ghash_generic gf128mul vmx_crypto virtio_balloon ib_iser rdma_cm iw_cm ib_cm ib_core configfs iscsi_tc p libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 ext4 crc16 jbd2 fscrypto mbcache btrfs raid10 raid456 async_raid 6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c crc32c_generic raid1 raid0 multipath linear md_mod ohci_pci ehci _pci virtio_blk virtio_net ohci_hcd ehci_hcd usbcore crc32c_vpmsum usb_common virtio_pci virtio_ring virtio [ 28.015210] CPU: 0 PID: 3 Comm: ksoftirqd/0 Tainted: G D 4.8.0-11-generic #12-Ubuntu [ 28.015270] task: c00000005e619700 task.stack: c00000005e620000 [ 28.015314] NIP: c000000000880bf4 LR: c000000000880c78 CTR: c00000000019f150 [ 28.015365] REGS: c00000005e623770 TRAP: 0901 Tainted: G D (4.8.0-11-generic) [ 28.015424] MSR: 800000010280b033 CR: 28008244 XER: 20000000 [ 28.015612] CFAR: c000000000880c0c SOFTE: 1 GPR00: c000000000880c78 c00000005e6239f0 c000000000f46700 c00000000111e948 GPR04: 000000000000000b 000000000000921c 0000000000000000 0000000000000000 GPR08: c000000000fb0768 0000000080000000 0000000000000000 c00000005ca67380 GPR12: c00000000019f150 c00000000fb80000 [ 28.015943] NIP [c000000000880bf4] _raw_spin_lock_irqsave+0xa4/0x130 [ 28.015987] LR [c000000000880c78] _raw_spin_lock_irqsave+0x128/0x130 [ 28.016029] Call Trace: [ 28.016048] [c00000005e6239f0] [c000000000880c78] _raw_spin_lock_irqsave+0x128/0x130 (unreliable) [ 28.016119] [c00000005e623a30] [c000000000196690] put_css_set+0x90/0xd0 [ 28.016171] [c00000005e623a70] [c00000000019d610] cgroup_free+0xb0/0xe0 [ 28.016224] [c00000005e623ad0] [c0000000000c36c8] __put_task_struct+0x68/0x170 [ 28.016285] [c00000005e623b00] [c0000000000cb230] delayed_put_task_struct+0x70/0x140 [ 28.016346] [c00000005e623b40] [c000000000156950] rcu_process_callbacks+0x370/0x810 [ 28.016407] [c00000005e623bf0] [c000000000886ccc] __do_softirq+0x19c/0x470 [ 28.016459] [c00000005e623cf0] [c0000000000cf8b8] run_ksoftirqd+0x48/0xd0 [ 28.016512] [c00000005e623d20] [c0000000000fc350] smpboot_thread_fn+0x2a0/0x2d0 [ 28.016573] [c00000005e623d80] [c0000000000f6870] kthread+0x110/0x130 [ 28.016626] [c00000005e623e30] [c000000000009968] ret_from_kernel_thread+0x5c/0x74 [ 28.016686] Instruction dump: [ 28.016742] ebc1fff0 ebe1fff8 7c0803a6 4e800020 60000000 60000000 60420000 8bad023a [ 28.016833] 7fc3f378 4b794401 60000000 7c210b78 89290009 712a0002 40820070 [ 89.970478] INFO: rcu_sched detected stalls on CPUs/tasks: [ 89.971107] (detected by 0, t=21007 jiffies, g=354, c=353, q=13) [ 89.971158] All QSes seen, last rcu_sched kthread activity 21007 (4294914787-4294893780), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 89.971242] ksoftirqd/0 R running task 0 3 2 0x00000804 [ 89.971301] Call Trace: [ 89.971326] [c00000005e6232d0] [c00000000010bf90] sched_show_task+0xe0/0x180 (unreliable) [ 89.971395] [c00000005e623340] [c000000000159110] rcu_check_callbacks+0xc40/0xc60 [ 89.971464] [c00000005e623480] [c000000000161714] update_process_times+0x44/0x90 [ 89.971531] [c00000005e6234b0] [c000000000179cf8] tick_sched_handle.isra.4+0x48/0xe0 [ 89.971598] [c00000005e6234f0] [c000000000179df4] tick_sched_timer+0x64/0xd0 [ 89.971656] [c00000005e623530] [c000000000162874] __hrtimer_run_queues+0x124/0x4e0 [ 89.971724] [c00000005e6235c0] [c0000000001635fc] hrtimer_interrupt+0xec/0x2b0 [ 89.971791] [c00000005e623680] [c000000000024acc] __timer_interrupt+0x8c/0x2f0 [ 89.971858] [c00000005e6236d0] [c0000000000252d8] timer_interrupt+0xb8/0x110 [ 89.971916] [c00000005e623700] [c000000000002858] decrementer_common+0x158/0x180 [ 89.971985] --- interrupt: 901 at _raw_spin_lock_irqsave+0x120/0x130 [ 89.971985] LR = _raw_spin_lock_irqsave+0x128/0x130 [ 89.972071] [c00000005e623a30] [c000000000196690] put_css_set+0x90/0xd0 [ 89.972128] [c00000005e623a70] [c00000000019d610] cgroup_free+0xb0/0xe0 [ 89.972186] [c00000005e623ad0] [c0000000000c36c8] __put_task_struct+0x68/0x170 [ 89.972253] [c00000005e623b00] [c0000000000cb230] delayed_put_task_struct+0x70/0x140 [ 89.972320] [c00000005e623b40] [c000000000156950] rcu_process_callbacks+0x370/0x810 [ 89.972387] [c00000005e623bf0] [c000000000886ccc] __do_softirq+0x19c/0x470 [ 89.972445] [c00000005e623cf0] [c0000000000cf8b8] run_ksoftirqd+0x48/0xd0 [ 89.972503] [c00000005e623d20] [c0000000000fc350] smpboot_thread_fn+0x2a0/0x2d0 [ 89.972570] [c00000005e623d80] [c0000000000f6870] kthread+0x110/0x130 [ 89.972628] [c00000005e623e30] [c000000000009968] ret_from_kernel_thread+0x5c/0x74 [ 89.972696] rcu_sched kthread starved for 21007 jiffies! g354 c353 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 [ 89.972762] rcu_sched R running task 0 7 2 0x00000800 [ 89.972820] Call Trace: [ 89.972841] [c00000005e69fa50] [c00000000001af4c] __switch_to+0x29c/0x420 [ 89.972900] [c00000005e69fab0] [c00000000087aa50] __schedule+0x270/0x9e0 [ 89.972958] [c00000005e69fb80] [c00000000087b208] schedule+0x48/0xc0 [ 89.973016] [c00000005e69fbb0] [c00000000087f76c] schedule_timeout+0x25c/0x530 [ 89.973088] [c00000005e69fcb0] [c000000000157ba4] rcu_gp_kthread+0x634/0xb20 [ 89.973141] [c00000005e69fd80] [c0000000000f6870] kthread+0x110/0x130 [ 89.973194] [c00000005e69fe30] [c000000000009968] ret_from_kernel_thread+0x5c/0x74 [ 152.990479] INFO: rcu_sched detected stalls on CPUs/tasks: [ 153.025336] (detected by 0, t=36762 jiffies, g=354, c=353, q=13) [ 153.025388] All QSes seen, last rcu_sched kthread activity 36762 (4294930542-4294893780), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 153.025474] ksoftirqd/0 R running task 0 3 2 0x00000804 [ 153.025533] Call Trace: [ 153.025557] [c00000005e6232d0] [c00000000010bf90] sched_show_task+0xe0/0x180 (unreliable) [ 153.025625] [c00000005e623340] [c000000000159110] rcu_check_callbacks+0xc40/0xc60 [ 153.025693] [c00000005e623480] [c000000000161714] update_process_times+0x44/0x90 [ 153.025760] [c00000005e6234b0] [c000000000179cf8] tick_sched_handle.isra.4+0x48/0xe0 [ 153.025827] [c00000005e6234f0] [c000000000179df4] tick_sched_timer+0x64/0xd0 [ 153.025885] [c00000005e623530] [c000000000162874] __hrtimer_run_queues+0x124/0x4e0 [ 153.025952] [c00000005e6235c0] [c0000000001635fc] hrtimer_interrupt+0xec/0x2b0 [ 153.026019] [c00000005e623680] [c000000000024acc] __timer_interrupt+0x8c/0x2f0 [ 153.026086] [c00000005e6236d0] [c0000000000252d8] timer_interrupt+0xb8/0x110 [ 153.026144] [c00000005e623700] [c000000000002858] decrementer_common+0x158/0x180 [ 153.026212] --- interrupt: 901 at _raw_spin_lock_irqsave+0xa4/0x130 [ 153.026212] LR = _raw_spin_lock_irqsave+0x128/0x130 [ 153.026298] [c00000005e623a30] [c000000000196690] put_css_set+0x90/0xd0 [ 153.026357] [c00000005e623a70] [c00000000019d610] cgroup_free+0xb0/0xe0 [ 153.026415] [c00000005e623ad0] [c0000000000c36c8] __put_task_struct+0x68/0x170 [ 153.026482] [c00000005e623b00] [c0000000000cb230] delayed_put_task_struct+0x70/0x140 [ 153.026549] [c00000005e623b40] [c000000000156950] rcu_process_callbacks+0x370/0x810 [ 153.026616] [c00000005e623bf0] [c000000000886ccc] __do_softirq+0x19c/0x470 [ 153.026674] [c00000005e623cf0] [c0000000000cf8b8] run_ksoftirqd+0x48/0xd0 [ 153.026732] [c00000005e623d20] [c0000000000fc350] smpboot_thread_fn+0x2a0/0x2d0 [ 153.026799] [c00000005e623d80] [c0000000000f6870] kthread+0x110/0x130 [ 153.026857] [c00000005e623e30] [c000000000009968] ret_from_kernel_thread+0x5c/0x74 [ 153.026924] rcu_sched kthread starved for 36762 jiffies! g354 c353 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 [ 153.026990] rcu_sched R running task 0 7 2 0x00000800 [ 153.027048] Call Trace: [ 153.027069] [c00000005e69fa50] [c00000000001af4c] __switch_to+0x29c/0x420 [ 153.027127] [c00000005e69fab0] [c00000000087aa50] __schedule+0x270/0x9e0 [ 153.027185] [c00000005e69fb80] [c00000000087b208] schedule+0x48/0xc0 [ 153.027242] [c00000005e69fbb0] [c00000000087f76c] schedule_timeout+0x25c/0x530 [ 153.027309] [c00000005e69fcb0] [c000000000157ba4] rcu_gp_kthread+0x634/0xb20 [ 153.027366] [c00000005e69fd80] [c0000000000f6870] kthread+0x110/0x130 [ 153.027424] [c00000005e69fe30] [c000000000009968] ret_from_kernel_thread+0x5c/0x74 [ 216.010477] INFO: rcu_sched detected stalls on CPUs/tasks: [ 216.011026] (detected by 0, t=52517 jiffies, g=354, c=353, q=13) [ 216.011076] All QSes seen, last rcu_sched kthread activity 52517 (4294946297-4294893780), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 216.011160] ksoftirqd/0 R running task 0 3 2 0x00000804 [ 216.011218] Call Trace: [ 216.011242] [c00000005e6232d0] [c00000000010bf90] sched_show_task+0xe0/0x180 (unreliable) [ 216.011309] [c00000005e623340] [c000000000159110] rcu_check_callbacks+0xc40/0xc60 [ 216.011376] [c00000005e623480] [c000000000161714] update_process_times+0x44/0x90 [ 216.011442] [c00000005e6234b0] [c000000000179cf8] tick_sched_handle.isra.4+0x48/0xe0 [ 216.011508] [c00000005e6234f0] [c000000000179df4] tick_sched_timer+0x64/0xd0 [ 216.011566] [c00000005e623530] [c000000000162874] __hrtimer_run_queues+0x124/0x4e0 [ 216.011639] [c00000005e6235c0] [c0000000001635fc] hrtimer_interrupt+0xec/0x2b0 [ 216.011700] [c00000005e623680] [c000000000024acc] __timer_interrupt+0x8c/0x2f0 [ 216.011761] [c00000005e6236d0] [c0000000000252d8] timer_interrupt+0xb8/0x110 [ 216.011761] [c00000005e6236d0] [c0000000000252d8] timer_interrupt+0xb8/0x110 [ 216.011813] [c00000005e623700] [c000000000002858] decrementer_common+0x158/0x180 [ 216.011875] --- interrupt: 901 at _raw_spin_lock_irqsave+0xa4/0x130 [ 216.011875] LR = _raw_spin_lock_irqsave+0x128/0x130 [ 216.011953] [c00000005e623a30] [c000000000196690] put_css_set+0x90/0xd0 [ 216.012005] [c00000005e623a70] [c00000000019d610] cgroup_free+0xb0/0xe0 [ 216.012058] [c00000005e623ad0] [c0000000000c36c8] __put_task_struct+0x68/0x170 [ 216.012119] [c00000005e623b00] [c0000000000cb230] delayed_put_task_struct+0x70/0x140 [ 216.012179] [c00000005e623b40] [c000000000156950] rcu_process_callbacks+0x370/0x810 [ 216.012239] [c00000005e623bf0] [c000000000886ccc] __do_softirq+0x19c/0x470 [ 216.012292] [c00000005e623cf0] [c0000000000cf8b8] run_ksoftirqd+0x48/0xd0 [ 216.012344] [c00000005e623d20] [c0000000000fc350] smpboot_thread_fn+0x2a0/0x2d0 [ 216.012412] [c00000005e623d80] [c0000000000f6870] kthread+0x110/0x130 [ 216.012464] [c00000005e623e30] [c000000000009968] ret_from_kernel_thread+0x5c/0x74 [ 216.012525] rcu_sched kthread starved for 52517 jiffies! g354 c353 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 [ 216.012585] rcu_sched R running task 0 7 2 0x00000800 [ 216.012637] Call Trace: [ 216.012656] [c00000005e69fa50] [c00000000001af4c] __switch_to+0x29c/0x420 [ 216.012709] [c00000005e69fab0] [c00000000087aa50] __schedule+0x270/0x9e0 [ 216.012762] [c00000005e69fb80] [c00000000087b208] schedule+0x48/0xc0 [ 216.012814] [c00000005e69fbb0] [c00000000087f76c] schedule_timeout+0x25c/0x530 [ 216.012875] [c00000005e69fcb0] [c000000000157ba4] rcu_gp_kthread+0x634/0xb20 [ 216.012927] [c00000005e69fd80] [c0000000000f6870] kthread+0x110/0x130 [ 216.012980] [c00000005e69fe30] [c000000000009968] ret_from_kernel_thread+0x5c/0x74 [ 279.030478] INFO: rcu_sched detected stalls on CPUs/tasks: [ 279.986171] (detected by 0, t=68272 jiffies, g=354, c=353, q=13) [ 279.986233] All QSes seen, last rcu_sched kthread activity 68272 (4294962052-4294893780), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 279.986330] ksoftirqd/0 R running task 0 3 2 0x00000804 [ 279.986395] Call Trace: [ 279.986422] [c00000005e6232d0] [c00000000010bf90] sched_show_task+0xe0/0x180 (unreliable) [ 279.986494] [c00000005e623340] [c000000000159110] rcu_check_callbacks+0xc40/0xc60 [ 279.986566] [c00000005e623480] [c000000000161714] update_process_times+0x44/0x90 [ 279.986638] [c00000005e6234b0] [c000000000179cf8] tick_sched_handle.isra.4+0x48/0xe0 [ 279.986708] [c00000005e6234f0] [c000000000179df4] tick_sched_timer+0x64/0xd0 [ 279.986767] [c00000005e623530] [c000000000162874] __hrtimer_run_queues+0x124/0x4e0 [ 279.986837] [c00000005e6235c0] [c0000000001635fc] hrtimer_interrupt+0xec/0x2b0 [ 279.986910] [c00000005e623680] [c000000000024acc] __timer_interrupt+0x8c/0x2f0 [ 279.986981] [c00000005e6236d0] [c0000000000252d8] timer_interrupt+0xb8/0x110 [ 279.987041] [c00000005e623700] [c000000000002858] decrementer_common+0x158/0x180 [ 279.987113] --- interrupt: 901 at _raw_spin_lock_irqsave+0xa4/0x130 [ 279.987113] LR = _raw_spin_lock_irqsave+0x128/0x130 [ 279.987205] [c00000005e623a30] [c000000000196690] put_css_set+0x90/0xd0 [ 279.987263] [c00000005e623a70] [c00000000019d610] cgroup_free+0xb0/0xe0 [ 279.987324] [c00000005e623ad0] [c0000000000c36c8] __put_task_struct+0x68/0x170 [ 279.987392] [c00000005e623b00] [c0000000000cb230] delayed_put_task_struct+0x70/0x140 [ 279.987461] [c00000005e623b40] [c000000000156950] rcu_process_callbacks+0x370/0x810 [ 279.987553] [c00000005e623bf0] [c000000000886ccc] __do_softirq+0x19c/0x470 [ 279.987617] [c00000005e623cf0] [c0000000000cf8b8] run_ksoftirqd+0x48/0xd0 [ 279.987680] [c00000005e623d20] [c0000000000fc350] smpboot_thread_fn+0x2a0/0x2d0 [ 279.987757] [c00000005e623d80] [c0000000000f6870] kthread+0x110/0x130 [ 279.987834] [c00000005e623e30] [c000000000009968] ret_from_kernel_thread+0x5c/0x74 [ 279.987913] rcu_sched kthread starved for 68272 jiffies! g354 c353 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 [ 279.987996] rcu_sched R running task 0 7 2 0x00000800 [ 279.988082] Call Trace: [ 279.988111] [c00000005e69fa50] [c00000000001af4c] __switch_to+0x29c/0x420 [ 279.988195] [c00000005e69fab0] [c00000000087aa50] __schedule+0x270/0x9e0 [ 279.988276] [c00000005e69fb80] [c00000000087b208] schedule+0x48/0xc0 [ 279.988357] [c00000005e69fbb0] [c00000000087f76c] schedule_timeout+0x25c/0x530 [ 279.988451] [c00000005e69fcb0] [c000000000157ba4] rcu_gp_kthread+0x634/0xb20 [ 279.988533] [c00000005e69fd80] [c0000000000f6870] kthread+0x110/0x130 [ 279.988615] [c00000005e69fe30] [c000000000009968] ret_from_kernel_thread+0x5c/0x74