Re: 4.11.0-rc1 boot resulted in WARNING: CPU: 14 PID: 1722 at fs/sysfs/dir.c:31 .sysfs_warn_dup+0x78/0xb0

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cc linux-block

On Thu, Mar 09, 2017 at 04:20:06PM +0530, Abdul Haleem wrote:
> On Wed, 2017-03-08 at 08:17 -0500, Brian Foster wrote:
> > On Tue, Mar 07, 2017 at 10:01:04PM +0530, Abdul Haleem wrote:
> > > 
> > > Hi,
> > > 
> > > Today's mainline (4.11.0-rc1) booted with warnings on Power7 LPAR.
> > > 
> > > Issue is not reproducible all the time.
> > > 
> > > traces:
> > > --------
> > > Found device VDASD 5.
> > > Mounting /home...
> > > Reached target Swap.
> > > Found device VDASD 2.
> > > 
> > > Mounting /boot...
> > > 
> > > sysfs: cannot create duplicate filename '/fs/xfs/sda'
> > 
> > That is strange. The sysfs name is ultimately based on the superblock id
> > (sb->s_id), which afaik should reflect the underlying device and thus be
> > unique. Just to be sure, do you otherwise have a mounted and functional
> > sysfs dir?
> > 
> > I assume after this boot you have a mounted 'sda' device somewhere.. If
> > so, what content already exists under the sysfs fs/xfs/sda subdir when
> > the duplicate warning occurs? Has the associated device been
> > mounted/unmounted before this occurs, or is there anything abnormal
> > going on during boot up, such as device repartitioning, devices coming
> > and going, etc..?
> 
> Brian, Thanks for looking into this issue.
> 
> No, the system is not in same state, it was overwritten by other runs of
> Automation framework.
> 
> However the boot logs are preserved and attached here.
> 
> > 
> > What does 'mount' show for this system when the problem occurs vs. when
> > it doesn't? It might be useful to post the full boot log for when this
> > occurs as well.
> 
> I do not have any sysfs info when warning occursm but on a normal system
> (with out warning):
> 
> # mount
> sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
> proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
> devtmpfs on /dev type devtmpfs
> (rw,nosuid,size=41833088k,nr_inodes=653642,mode=755)
> securityfs on /sys/kernel/security type securityfs
> (rw,nosuid,nodev,noexec,relatime)
> tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
> devpts on /dev/pts type devpts
> (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
> tmpfs on /run type tmpfs (rw,nosuid,nodev,mode=755)
> tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755)
> cgroup on /sys/fs/cgroup/systemd type cgroup
> (rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd)
> pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)
> cgroup on /sys/fs/cgroup/cpuset type cgroup
> (rw,nosuid,nodev,noexec,relatime,cpuset)
> cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup
> (rw,nosuid,nodev,noexec,relatime,cpu,cpuacct)
> cgroup on /sys/fs/cgroup/freezer type cgroup
> (rw,nosuid,nodev,noexec,relatime,freezer)
> cgroup on /sys/fs/cgroup/hugetlb type cgroup
> (rw,nosuid,nodev,noexec,relatime,hugetlb)
> cgroup on /sys/fs/cgroup/devices type cgroup
> (rw,nosuid,nodev,noexec,relatime,devices)
> cgroup on /sys/fs/cgroup/net_cls type cgroup
> (rw,nosuid,nodev,noexec,relatime,net_cls)
> cgroup on /sys/fs/cgroup/blkio type cgroup
> (rw,nosuid,nodev,noexec,relatime,blkio)
> cgroup on /sys/fs/cgroup/memory type cgroup
> (rw,nosuid,nodev,noexec,relatime,memory)
> cgroup on /sys/fs/cgroup/perf_event type cgroup
> (rw,nosuid,nodev,noexec,relatime,perf_event)
> configfs on /sys/kernel/config type configfs (rw,relatime)
> /dev/sda3 on / type ext4 (rw,relatime,data=ordered)
> systemd-1 on /proc/sys/fs/binfmt_misc type autofs
> (rw,relatime,fd=24,pgrp=1,timeout=300,minproto=5,maxproto=5,direct)
> debugfs on /sys/kernel/debug type debugfs (rw,relatime)
> mqueue on /dev/mqueue type mqueue (rw,relatime)
> hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime)
> binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,relatime)
> sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw,relatime)
> nfsd on /proc/fs/nfsd type nfsd (rw,relatime)
> /dev/sda2 on /boot type xfs (rw,relatime,attr2,inode64,noquota)
> /dev/sda5 on /home type xfs (rw,relatime,attr2,inode64,noquota)

So you have two XFS filesystems mounted on partitions of this device,
sda2 and sda5.

> tmpfs on /run/user/0 type tmpfs
> (rw,nosuid,nodev,relatime,size=8375680k,mode=700)
> 
> # ls /sys/fs/xfs
> sda  sda5  stats
> 

Yet under /sys/fs/xfs we have sda and sda5. Presumably sda here refers
to sda2.

> # df -h
> Filesystem      Size  Used Avail Use% Mounted on
> devtmpfs         40G     0   40G   0% /dev
> tmpfs            40G     0   40G   0% /dev/shm
> tmpfs            40G   14M   40G   1% /run
> tmpfs            40G     0   40G   0% /sys/fs/cgroup
> /dev/sda3       394G   17G  358G   5% /
> /dev/sda2        40G  673M   40G   2% /boot
> /dev/sda5       100G   21G   80G  21% /home
> tmpfs           8.0G     0  8.0G   0% /run/user/0
> 
> # lsblk
> NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
> loop0    7:0    0   256M  0 loop 
> sda      8:0    0 558.9G  0 disk 
> ├─sda4   8:4    0     1K  0 part 
> ├─sda2   8:2    0    40G  0 part /boot
> ├─sda5   8:5    0   100G  0 part /home
> ├─sda3   8:3    0   400G  0 part /
> ├─sda1   8:1    0    10M  0 part 
> └─sda6   8:6    0    10G  0 part [SWAP]
> 

Six total partitions on the device...

> # cat /proc/partitions 
> major minor  #blocks  name
> 
>    8        0  586061784 sda
>    8        1      10240 sda
>    8        2   41943040 sda
>    8        3  419430400 sda3
>    8        4          1 sda
>    8        5  104857600 sda5
>    8        6   10485760 sda6
>    7        0     262144 loop0
> 

... and according to the kernel, three of them are named sda. :/ This
appears to be the crux of the problem. My understanding is that these
should all have unique names based on the partition. XFS is just going
to reuse that name to create the /sys/fs/xfs/<dev> subdir, so as soon as
you mount another XFS filesystem on top of one of those other similarly
named partitions, the error is going to trigger.

There's nothing obvious enough to me in the boot log to point at a
problem. I've CC'd the linux-block list to see if anybody more familiar
with the block layer might be able to comment on what could be going on
here.

Brian

> # xfs_info /home
> meta-data=/dev/sda5              isize=256    agcount=4, agsize=6553600
> blks
>          =                       sectsz=512   attr=2, projid32bit=1
>          =                       crc=0        finobt=0
> data     =                       bsize=4096   blocks=26214400,
> imaxpct=25
>          =                       sunit=0      swidth=0 blks
> naming   =version 2              bsize=4096   ascii-ci=0 ftype=0
> log      =internal               bsize=4096   blocks=12800, version=2
>          =                       sectsz=512   sunit=0 blks, lazy-count=1
> realtime =none                   extsz=4096   blocks=0, rtextents=0
> 
> 
> # xfs_info /boot/
> meta-data=/dev/sda2              isize=256    agcount=4, agsize=2621440
> blks
>          =                       sectsz=512   attr=2, projid32bit=1
>          =                       crc=0        finobt=0
> data     =                       bsize=4096   blocks=10485760,
> imaxpct=25
>          =                       sunit=0      swidth=0 blks
> naming   =version 2              bsize=4096   ascii-ci=0 ftype=0
> log      =internal               bsize=4096   blocks=5120, version=2
>          =                       sectsz=512   sunit=0 blks, lazy-count=1
> realtime =none                   extsz=4096   blocks=0, rtextents=0
>  
> 
> # fdisk -l
> 
> Disk /dev/sda: 600.1 GB, 600127266816 bytes, 1172123568 sectors
> Units = sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk label type: dos
> Disk identifier: 0xe2ab0400
> 
>    Device Boot      Start         End      Blocks   Id  System
> /dev/sda1   *        2048       22527       10240   41  PPC PReP Boot
> /dev/sda2           22528    83908607    41943040   83  Linux
> /dev/sda3        83908608   922769407   419430400   83  Linux
> /dev/sda4       922769408  1172121599   124676096    5  Extended
> /dev/sda5       922771456  1132486655   104857600   83  Linux
> /dev/sda6      1132488704  1153460223    10485760   82  Linux swap /
> Solaris
> 
> 
> Please let me know if you need more info.
> 
> > 
> > Brian
> > 
> > > ------------[ cut here ]------------
> > > WARNING: CPU: 14 PID: 1722 at fs/sysfs/dir.c:31 .sysfs_warn_dup
> > > +0x78/0xb0
> > > Modules linked in: sg(E) nfsd(E) auth_rpcgss(E) nfs_acl(E) lockd(E)
> > > grace(E) sunrpc(E) binfmt_misc(E) ip_tables(E) ext4(E) mbcache(E)
> > > jbd2(E) sd_mod(E) ibmvscsi(E) ibmveth(E) scsi_transport_srp(E)
> > > CPU: 14 PID: 1722 Comm: mount Tainted: G        W   E   4.11.0-rc1-autotest #1
> > > task: c0000009ed3f9c80 task.stack: c0000009ed430000
> > > NIP: c0000000003a6c68 LR: c0000000003a6c64 CTR: 0000000001764c5c
> > > REGS: c0000009ed4333c0 TRAP: 0700   Tainted: G        W   E    (4.11.0-rc1-autotest)
> > > MSR: 800000000282b032 <SF,VEC,VSX,EE,FP,ME,IR,DR,RI>
> > >   CR: 22022822  XER: 00000006
> > > CFAR: c000000000994958 SOFTE: 1
> > > GPR00: c0000000003a6c64 c0000009ed433640 c00000000138a500 0000000000000035
> > > GPR04: c0000009ff88ada0 c0000009ff8a1658 00000000014cfc2c 0000000000000000
> > > GPR08: 0000000000000000 c000000000dd146c 00000009feac0000 0000000000003fef
> > > GPR12: 0000000022022844 c00000000e9f7e00 0000000037409c40 0000000037409c30
> > > GPR16: 0000000037409c28 ffffffffffffffff 0000000000000000 000000003741f1c8
> > > GPR20: 00000100147d1270 0000000000000000 00000000c0ed0000 00003fffa0f53384
> > > GPR24: c00000000394d178 c000000000c054c0 c000000001742e68 c0000000ff3ea640
> > > GPR28: c00000000394d640 c0000013eec28c28 c0000009f2ab0148 c000000003833000
> > > NIP [c0000000003a6c68] .sysfs_warn_dup+0x78/0xb0
> > > LR [c0000000003a6c64] .sysfs_warn_dup+0x74/0xb0
> > > Call Trace:
> > > [c0000009ed433640] [c0000000003a6c64] .sysfs_warn_dup+0x74/0xb0 (unreliable)
> > > [c0000009ed4336d0] [c0000000003a6de4] .sysfs_create_dir_ns+0xc4/0xd0
> > > [c0000009ed433760] [c000000000551048] .kobject_add_internal+0xd8/0x450
> > > [c0000009ed433800] [c00000000055141c] .kobject_init_and_add+0x5c/0x90
> > > [c0000009ed433890] [c00000000044ac54] .xfs_mountfs+0x224/0xa30
> > > [c0000009ed433960] [c000000000452a90] .xfs_fs_fill_super+0x490/0x620
> > > [c0000009ed433a10] [c0000000002fefc0] .mount_bdev+0x220/0x260
> > > [c0000009ed433ac0] [c0000000004509b8] .xfs_fs_mount+0x18/0x30
> > > [c0000009ed433b30] [c000000000300520] .mount_fs+0x70/0x210
> > > [c0000009ed433bf0] [c000000000325930] .vfs_kern_mount+0x60/0x1c0
> > > [c0000009ed433cb0] [c00000000032a458] .do_mount+0x268/0xee0
> > > [c0000009ed433d90] [c00000000032b4ec] .SyS_mount+0x8c/0x100
> > > [c0000009ed433e30] [c00000000000b184] system_call+0x38/0xe0
> > > Instruction dump:
> > > 7fa3eb78 38800000 7fe5fb78 38c01000 4bffa929 60000000 3c62ff8b 7fe4fb78
> > > 38636ec8 7fc5f378 485edcb9 60000000 <0fe00000> 7fe3fb78 4bf1fb01 60000000
> > > ---[ end trace 78f08bafbc2388f3 ]---
> > > kobject_add_internal failed for sda with -EEXIST, don't try to register
> > > things with the same name in the same directory.
> > > 
> > > 
> > > -- 
> > > Regard's
> > > 
> > > Abdul Haleem
> > > IBM Linux Technology Centre
> > > 
> > > 
> > > 
> > > --
> > > To unsubscribe from this list: send the line "unsubscribe linux-xfs" in
> > > the body of a message to majordomo@xxxxxxxxxxxxxxx
> > > More majordomo info at  http://vger.kernel.org/majordomo-info.html
> > 
> 
> 
> -- 
> Regard's
> 
> Abdul Haleem
> IBM Linux Technology Centre
> 
> 

> 02:41:31 [ 1183.879237] kvm: exiting hardware virtualization
> 02:41:31 [ 1183.880617] kexec: Starting new kernel
> 02:41:31 [ 1183.880718] kexec: waiting for cpu 0 (physical 0) to enter 2 state
> 02:41:31 [ 1183.881673] kexec: waiting for cpu 4 (physical 4) to enter 2 state
> 02:41:31 [ 1183.881731] kexec: waiting for cpu 5 (physical 5) to enter 2 state
> 02:41:31 [ 1183.881761] kexec: waiting for cpu 7 (physical 7) to enter 2 state
> 02:41:31 [ 1183.881792] kexec: waiting for cpu 12 (physical 12) to enter 2 state
> 02:41:31 [ 1183.881887] kexec: waiting for cpu 13 (physical 13) to enter 2 state
> 02:41:31 [ 1183.881924] kexec: waiting for cpu 29 (physical 29) to enter 2 state
> 02:41:31 [ 1183.881955] kexec: waiting for cpu 31 (physical 31) to enter 2 state
> 02:41:31 [ 1183.881987] kexec: waiting for cpu 36 (physical 36) to enter 2 state
> 02:41:31 [ 1183.882019] kexec: waiting for cpu 38 (physical 38) to enter 2 state
> 02:41:38 I'm in purgatory
> 02:41:40 [    0.000000] Page sizes from device-tree:
> 02:41:40 [    0.000000] base_shift=12: shift=12, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=0
> 02:41:40 [    0.000000] base_shift=12: shift=16, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=7
> 02:41:40 [    0.000000] base_shift=12: shift=24, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=56
> 02:41:40 [    0.000000] base_shift=16: shift=16, sllp=0x0110, avpnm=0x00000000, tlbiel=1, penc=1
> 02:41:40 [    0.000000] base_shift=16: shift=24, sllp=0x0110, avpnm=0x00000000, tlbiel=1, penc=8
> 02:41:40 [    0.000000] base_shift=24: shift=24, sllp=0x0100, avpnm=0x00000001, tlbiel=0, penc=0
> 02:41:40 [    0.000000] base_shift=34: shift=34, sllp=0x0120, avpnm=0x000007ff, tlbiel=0, penc=3
> 02:41:40 [    0.000000] Using 1TB segments
> 02:41:40 [    0.000000] Initializing hash mmu with SLB
> 02:41:40 [    0.000000] Linux version 4.11.0-rc1-autotest (root@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-4) (GCC) ) #1 SMP Mon Mar 6 16:03:25 EST 2017
> 02:41:40 [    0.000000] Found initrd at 0xc000000002f40000:0xc0000000041505b6
> 02:41:40 [    0.000000] Using pSeries machine description
> 02:41:40 [    0.000000] bootconsole [udbg0] enabled
> 02:41:40 [    0.000000] Partition configured for 40 cpus.
> 02:41:40 [    0.000000] CPU maps initialized for 4 threads per core
> 02:41:40  -> smp_release_cpus()
> 02:41:40 spinning_secondaries = 0
> 02:41:40  <- smp_release_cpus()
> 02:41:40 [    0.000000] -----------------------------------------------------
> 02:41:40 [    0.000000] ppc64_pft_size    = 0x1f
> 02:41:40 [    0.000000] phys_mem_size     = 0x1400000000
> 02:41:40 [    0.000000] dcache_bsize      = 0x80
> 02:41:40 [    0.000000] icache_bsize      = 0x80
> 02:41:40 [    0.000000] cpu_features      = 0x0b7e7ae418500049
> 02:41:40 [    0.000000]   possible        = 0x7fffffff18500649
> 02:41:40 [    0.000000]   always          = 0x0000000018100040
> 02:41:40 [    0.000000] cpu_user_features = 0xdc0065c2 0x20000000
> 02:41:40 [    0.000000] mmu_features      = 0x7c004001
> 02:41:40 [    0.000000] firmware_features = 0x00000001845ffc5f
> 02:41:40 [    0.000000] htab_hash_mask    = 0xffffff
> 02:41:40 [    0.000000] -----------------------------------------------------
> 02:41:40 [    0.000000] numa: Initmem setup node 0 [mem 0x00000000-0x9ffffffff]
> 02:41:40 [    0.000000] numa:   NODE_DATA [mem 0x9ffff6300-0x9ffffffff]
> 02:41:40 [    0.000000] numa: Initmem setup node 1 [mem 0xa00000000-0x13ffffffff]
> 02:41:40 [    0.000000] numa:   NODE_DATA [mem 0x13ffe8e300-0x13ffe97fff]
> 02:41:40 [    0.000000] Section 5117 and 5119 (node 1) have a circular dependency on usemap and pgdat allocations
> 02:41:40 [    0.000000] PPC64 nvram contains 15360 bytes
> 02:41:40 [    0.000000] Zone ranges:
> 02:41:40 [    0.000000]   DMA      [mem 0x0000000000000000-0x00000013ffffffff]
> 02:41:40 [    0.000000]   DMA32    empty
> 02:41:40 [    0.000000]   Normal   empty
> 02:41:40 [    0.000000] Movable zone start for each node
> 02:41:40 [    0.000000] Early memory node ranges
> 02:41:40 [    0.000000]   node   0: [mem 0x0000000000000000-0x00000009ffffffff]
> 02:41:40 [    0.000000]   node   1: [mem 0x0000000a00000000-0x00000013ffffffff]
> 02:41:40 [    0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x00000009ffffffff]
> 02:41:40 [    0.000000] Initmem setup node 1 [mem 0x0000000a00000000-0x00000013ffffffff]
> 02:41:40 [    0.000000] percpu: Embedded 3 pages/cpu @c0000009ff500000 s155672 r0 d40936 u262144
> 02:41:40 [    0.000000] Built 2 zonelists in Node order, mobility grouping on.  Total pages: 1309440
> 02:41:40 [    0.000000] Policy zone: DMA
> 02:41:40 [    0.000000] Kernel command line: rw root=UUID=c4012ac5-50cc-4bd6-bf56-cb7210c530d5 
> 02:41:40 [    0.000000] PID hash table entries: 4096 (order: -1, 32768 bytes)
> 02:41:40 [    0.000000] Memory: 83666304K/83886080K available (9920K kernel code, 2240K rwdata, 3492K rodata, 4736K init, 3554K bss, 219776K reserved, 0K cma-reserved)
> 02:41:40 [    0.000000] SLUB: HWalign=128, Order=0-3, MinObjects=0, CPUs=40, Nodes=2
> 02:41:40 [    0.000000] Hierarchical RCU implementation.
> 02:41:40 [    0.000000] 	Build-time adjustment of leaf fanout to 64.
> 02:41:40 [    0.000000] 	RCU restricting CPUs from NR_CPUS=2048 to nr_cpu_ids=40.
> 02:41:40 [    0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=40
> 02:41:40 [    0.000000] NR_IRQS:512 nr_irqs:512 16
> 02:41:40 [    0.000000] 	Offload RCU callbacks from all CPUs
> 02:41:40 [    0.000000] 	Offload RCU callbacks from CPUs: 0-39.
> 02:41:40 [    0.000003] clocksource: timebase: mask: 0xffffffffffffffff max_cycles: 0x761537d007, max_idle_ns: 440795202126 ns
> 02:41:40 [    0.000060] clocksource: timebase mult[1f40000] shift[24] registered
> 02:41:40 [    0.000227] Console: colour dummy device 80x25
> 02:41:40 [    0.000259] console [hvc0] enabled
> 02:41:40 [    0.000259] console [hvc0] enabled
> 02:41:40 [    0.000282] bootconsole [udbg0] disabled
> 02:41:40 [    0.000282] bootconsole [udbg0] disabled
> 02:41:40 [    0.000511] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl
> 02:41:40 [    0.000523] pid_max: default: 40960 minimum: 320
> 02:41:40 [    0.002408] Security Framework initialized
> 02:41:40 [    0.002417] SELinux:  Initializing.
> 02:41:40 [    0.004367] Dentry cache hash table entries: 16777216 (order: 11, 134217728 bytes)
> 02:41:40 [    0.081404] Inode-cache hash table entries: 8388608 (order: 10, 67108864 bytes)
> 02:41:40 [    0.121643] Mount-cache hash table entries: 262144 (order: 5, 2097152 bytes)
> 02:41:40 [    0.121693] Mountpoint-cache hash table entries: 262144 (order: 5, 2097152 bytes)
> 02:41:40 [    0.124985] EEH: pSeries platform initialized
> 02:41:40 [    0.124999] POWER7 performance monitor hardware support registered
> 02:41:40 [    0.126265] smp: Bringing up secondary CPUs ...
> 02:41:40 [    0.138886] random: fast init done
> 02:41:40 [    0.146587] smp: Brought up 2 nodes, 40 CPUs
> 02:41:40 [    0.146597] numa: Node 0 CPUs: 0-23
> 02:41:40 [    0.146600] numa: Node 1 CPUs: 24-39
> 02:41:40 [    0.147833] Enabling Asymmetric SMT scheduling
> 02:41:40 [    0.149674] devtmpfs: initialized
> 02:41:40 [    0.162065] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
> 02:41:40 [    0.162086] futex hash table entries: 16384 (order: 5, 2097152 bytes)
> 02:41:40 [    0.163129] NET: Registered protocol family 16
> 02:41:40 [    0.163198] EEH: No capable adapters found
> 02:41:40 [    0.163231] IBM eBus Device Driver
> 02:41:40 [    0.163461] cpuidle: using governor menu
> 02:41:40 [    0.163587] pstore: using zlib compression
> 02:41:40 [    0.163594] pstore: Registered nvram as persistent store backend
> 02:41:40 [    0.172682] PCI: Probing PCI hardware
> 02:41:40 [    0.174064] HugeTLB registered 16 MB page size, pre-allocated 0 pages
> 02:41:40 [    0.174068] HugeTLB registered 16 GB page size, pre-allocated 0 pages
> 02:41:40 [    0.175619] vgaarb: loaded
> 02:41:40 [    0.175805] SCSI subsystem initialized
> 02:41:40 [    0.175851] usbcore: registered new interface driver usbfs
> 02:41:40 [    0.175863] usbcore: registered new interface driver hub
> 02:41:40 [    0.176103] usbcore: registered new device driver usb
> 02:41:40 [    0.176599] NetLabel: Initializing
> 02:41:40 [    0.176602] NetLabel:  domain hash size = 128
> 02:41:40 [    0.176605] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO
> 02:41:40 [    0.176630] NetLabel:  unlabeled traffic allowed by default
> 02:41:40 [    0.176979] clocksource: Switched to clocksource timebase
> 02:41:40 [    0.197279] VFS: Disk quotas dquot_6.6.0
> 02:41:40 [    0.197453] VFS: Dquot-cache hash table entries: 8192 (order 0, 65536 bytes)
> 02:41:40 [    0.200194] NET: Registered protocol family 2
> 02:41:40 [    0.200518] TCP established hash table entries: 524288 (order: 6, 4194304 bytes)
> 02:41:40 [    0.201432] TCP bind hash table entries: 65536 (order: 4, 1048576 bytes)
> 02:41:40 [    0.201664] TCP: Hash tables configured (established 524288 bind 65536)
> 02:41:40 [    0.201773] UDP hash table entries: 65536 (order: 5, 2097152 bytes)
> 02:41:40 [    0.202178] UDP-Lite hash table entries: 65536 (order: 5, 2097152 bytes)
> 02:41:40 [    0.202901] NET: Registered protocol family 1
> 02:41:40 [    0.203007] Unpacking initramfs...
> 02:41:40 [    0.468764] Freeing initrd memory: 18496K
> 02:41:40 [    0.471312] IOMMU table initialized, virtual merging enabled
> 02:41:40 [    0.482059] audit: initializing netlink subsys (disabled)
> 02:41:40 [    0.482130] audit: type=2000 audit(1488834706.470:1): state=initialized audit_enabled=0 res=1
> 02:41:40 [    0.482134] Failed to find blacklist at 396005003d290008
> 02:41:40 [    0.482134] Failed to find blacklist at 396004003d290008
> 02:41:40 [    0.482135] Failed to find blacklist at 282a002041e00008
> 02:41:40 [    0.482135] Failed to find blacklist at 396005004800001c
> 02:41:40 [    0.485171] Initialise system trusted keyrings
> 02:41:40 [    0.485553] workingset: timestamp_bits=38 max_order=21 bucket_order=0
> 02:41:40 [    0.486841] zbud: loaded
> 02:41:40 [    0.487432] SGI XFS with ACLs, security attributes, no debug enabled
> 02:41:40 [    0.553535] NET: Registered protocol family 38
> 02:41:40 [    0.553556] Key type asymmetric registered
> 02:41:40 [    0.553560] Asymmetric key parser 'x509' registered
> 02:41:40 [    0.553602] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
> 02:41:40 [    0.553774] io scheduler noop registered
> 02:41:40 [    0.553778] io scheduler deadline registered (default)
> 02:41:40 [    0.553791] io scheduler cfq registered
> 02:41:40 [    0.553794] io scheduler mq-deadline registered
> 02:41:40 [    0.554484] atomic64_test: passed
> 02:41:40 [    0.554959] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
> 02:41:40 [    0.555291] Linux agpgart interface v0.103
> 02:41:40 [    0.555545] rdac: device handler registered
> 02:41:40 [    0.555591] hp_sw: device handler registered
> 02:41:40 [    0.555595] emc: device handler registered
> 02:41:40 [    0.555883] alua: device handler registered
> 02:41:40 [    0.555926] libphy: Fixed MDIO Bus: probed
> 02:41:40 [    0.555980] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
> 02:41:40 [    0.555992] ehci-pci: EHCI PCI platform driver
> 02:41:40 [    0.556002] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
> 02:41:40 [    0.556013] ohci-pci: OHCI PCI platform driver
> 02:41:40 [    0.556023] uhci_hcd: USB Universal Host Controller Interface driver
> 02:41:40 [    0.556069] usbcore: registered new interface driver usbserial
> 02:41:40 [    0.556078] usbcore: registered new interface driver usbserial_generic
> 02:41:40 [    0.556088] usbserial: USB Serial support registered for generic
> 02:41:40 [    0.556165] mousedev: PS/2 mouse device common for all mice
> 02:41:40 [    0.556352] rtc-generic rtc-generic: rtc core: registered rtc-generic as rtc0
> 02:41:40 [    0.556893] hidraw: raw HID events driver (C) Jiri Kosina
> 02:41:40 [    0.557003] usbcore: registered new interface driver usbhid
> 02:41:40 [    0.557006] usbhid: USB HID core driver
> 02:41:40 [    0.557130] drop_monitor: Initializing network drop monitor service
> 02:41:40 [    0.557249] Initializing XFRM netlink socket
> 02:41:40 [    0.557770] NET: Registered protocol family 10
> 02:41:40 [    0.558338] Segment Routing with IPv6
> 02:41:40 [    0.558358] NET: Registered protocol family 17
> 02:41:40 [    0.558614] registered taskstats version 1
> 02:41:40 [    0.558622] Loading compiled-in X.509 certificates
> 02:41:40 [    0.561121] alg: No test for pkcs1pad(rsa,sha1) (pkcs1pad(rsa-generic,sha1))
> 02:41:40 [    0.561835] Loaded X.509 cert 'Build time autogenerated kernel key: e215906ce829b0ce6a5245eeb1c38578ea3ccc5a'
> 02:41:40 [    0.561886] zswap: loaded using pool lzo/zbud
> 02:41:40 [    0.564512] Key type big_key registered
> 02:41:40 [    0.564658] rtc-generic rtc-generic: setting system clock to 2017-03-06 21:11:46 UTC (1488834706)
> 02:41:40 [    0.565508] Freeing unused kernel memory: 4736K
> 02:41:40 [    0.565514] This architecture does not have kernel memory protection.
> 02:41:40 [    0.572770] systemd[1]: systemd 219 running in system mode. (+PAM +AUDIT +SELINUX +IMA -APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ -LZ4 -SECCOMP +BLKID +ELFUTILS +KMOD +IDN)
> 02:41:40 [    0.572949] systemd[1]: Detected architecture ppc64.
> 02:41:40 [    0.572954] systemd[1]: Running in initial RAM disk.
> 02:41:40 
> 02:41:40 Welcome to Red Hat Enterprise Linux Server 7.2 (Maipo) dracut-033-359.el7 (Initramfs)!
> 02:41:40 
> 02:41:40 [    0.573124] systemd[1]: Set hostname to <p7-korg-ci1.pok.stglabs.ibm.com>.
> 02:41:40 [  OK  ] Reached target Swap.
> 02:41:40 [    0.608006] systemd[1]: Reached target Swap.
> 02:41:40 [    0.608020] systemd[1]: Starting Swap.
> 02:41:40 [  OK  ] Reached target Local File Systems.
> 02:41:40 [    0.608138] systemd[1]: Reached target Local File Systems.
> 02:41:40 [    0.608148] systemd[1]: Starting Local File Systems.
> 02:41:40 [  OK  ] Reached target Timers.
> 02:41:40 [    0.608260] systemd[1]: Reached target Timers.
> 02:41:40 [    0.608269] systemd[1]: Starting Timers.
> 02:41:40 [  OK  ] Created slice -.slice.
> 02:41:40 [  OK  ] Listening on udev Control Socket.
> 02:41:40 [  OK  ] Listening on Journal Socket.
> 02:41:40 [  OK  ] Listening on udev Kernel Socket.
> 02:41:40 [  OK  ] Reached target Sockets.
> 02:41:40 [  OK  ] Created slice System Slice.
> 02:41:40          Starting Create list of required st... nodes for the current kernel...
> 02:41:40          Starting Journal Service...
> 02:41:40          Starting dracut cmdline hook...
> 02:41:40          Starting Setup Virtual Console...
> 02:41:40 [  OK  ] Reached target Slices.
> 02:41:40          Starting Apply Kernel Variables...
> 02:41:40 [  OK  ] Started Create list of required sta...ce nodes for the current kernel.
> 02:41:40 [  OK  ] Started Apply Kernel Variables.
> 02:41:40          Starting Create Static Device Nodes in /dev...
> 02:41:40 [  OK  ] Started Journal Service.
> 02:41:40 [  OK  ] Started Create Static Device Nodes in /dev.
> 02:41:40 [  OK  ] Started Setup Virtual Console.
> 02:41:40 [  OK  ] Started dracut cmdline hook.
> 02:41:40          Starting dracut pre-udev hook...
> 02:41:40 [  OK  ] Started dracut pre-udev hook.
> 02:41:40          Starting udev Kernel Device Manager...
> 02:41:40 [  OK  ] Started udev Kernel Device Manager.
> 02:41:40          Starting udev Coldplug all Devices...
> 02:41:41          Mounting Configuration File System...
> 02:41:41 [  OK  ] Mounted Configuration File System.
> 02:41:41 [  OK  ] Started udev Coldplug all Devices.
> 02:41:41 [  OK  ] Reached target System Initialization.
> 02:41:41          Starting Show Plymouth Boot Screen...
> 02:41:41          Starting dracut initqueue hook...
> 02:41:41 [    0.782031] scsi_transport_srp: module verification failed: signature and/or required key missing - tainting kernel
> 02:41:41 [    0.782748] ibmvscsi 3000000b: SRP_VERSION: 16.a
> 02:41:41 [  OK  ] Started Show Plymouth Boot Screen.
> 
> 02:41:41 [  OK  ] Reached target Paths.
> 
> 02:41:41 [  OK  ] Reached target Basic System.
> 
> 02:41:47 %G[    7.017019] ibmvscsi 3000000b: SRP_VERSION: 16.a
> 02:41:47 [    7.017146] ibmvscsi 3000000b: Maximum ID: 64 Maximum LUN: 32 Maximum Channel: 3
> 02:41:47 [    7.017152] scsi host0: IBM POWER Virtual SCSI Adapter 1.5.9
> 02:41:47 [    7.017331] ibmvscsi 3000000b: partner initialization complete
> 02:41:47 [    7.017382] ibmvscsi 3000000b: host srp version: 16.a, host partition vios1 (2), OS 3, max io 1048576
> 02:41:47 [    7.017442] ibmvscsi 3000000b: Client reserve enabled
> 02:41:47 [    7.017450] ibmvscsi 3000000b: sent SRP login
> 02:41:47 [    7.017491] ibmvscsi 3000000b: SRP_LOGIN succeeded
> 02:41:47 [    7.058998] scsi 0:0:1:0: Direct-Access     AIX      VDASD            0001 PQ: 0 ANSI: 3
> 02:41:47 [    7.084681] random: crng init done
> 02:41:47 [    7.123944] sd 0:0:1:0: [sda] 1172123568 512-byte logical blocks: (600 GB/559 GiB)
> 02:41:47 [    7.123999] sd 0:0:1:0: [sda] Write Protect is off
> 02:41:47 [    7.124047] sd 0:0:1:0: [sda] Cache data unavailable
> 02:41:47 [    7.124051] sd 0:0:1:0: [sda] Assuming drive cache: write through
> 02:41:47 [    7.141010]  sda: sda1 sda2 sda3 sda4 < sda5 sda6 >
> 02:41:47 [    7.141528] sd 0:0:1:0: [sda] Attached SCSI disk
> 02:41:47 [  OK  ] Found device VDASD 3.
> 
> 02:41:47          Starting File System Check on /dev/...5-50cc-4bd6-bf56-cb7210c530d5...
> 
> 02:41:47 [  OK  ] Started dracut initqueue hook.
> 
> 02:41:47 [  OK  ] Reached target Remote File Systems (Pre).
> 
> 02:41:47 [  OK  ] Reached target Remote File Systems.
> 
> 02:41:51 [  OK  ] Started File System Check on /dev/d...ac5-50cc-4bd6-bf56-cb7210c530d5.
> 
> 02:41:51          Mounting /sysroot...
> 
> 02:41:51 [   11.488591] EXT4-fs (sda): mounted filesystem with ordered data mode. Opts: (null)
> 02:41:51 [  OK  ] Mounted /sysroot.
> 
> 02:41:51 [  OK  ] Reached target Initrd Root File System.
> 
> 02:41:51          Starting Reload Configuration from the Real Root...
> 
> 02:41:51 [  OK  ] Started Reload Configuration from the Real Root.
> 
> 02:41:51 [  OK  ] Reached target Initrd File Systems.
> 
> 02:41:51 [  OK  ] Reached target Initrd Default Target.
> 
> 02:41:51          Starting dracut pre-pivot and cleanup hook...
> 
> 02:41:51 [  OK  ] Started dracut pre-pivot and cleanup hook.
> 
> 02:41:51          Starting Cleaning Up and Shutting Down Daemons...
> 
> 02:41:51 [  OK  ] Stopped target Timers.
> 
> 02:41:51          Starting Plymouth switch root service...
> 
> 02:41:51 [  OK  ] Stopped Cleaning Up and Shutting Down Daemons.
> 
> 02:41:51 [  OK  ] Stopped dracut pre-pivot and cleanup hook.
> 
> 02:41:51          Stopping dracut pre-pivot and cleanup hook...
> 
> 02:41:51 [  OK  ] Stopped target Remote File Systems.
> 
> 02:41:51 [  OK  ] Stopped target Remote File Systems (Pre).
> 
> 02:41:51 [  OK  ] Stopped dracut initqueue hook.
> 
> 02:41:51          Stopping dracut initqueue hook...
> 
> 02:41:51 [  OK  ] Stopped target Initrd Default Target.
> 
> 02:41:51 [  OK  ] Stopped target Basic System.
> 
> 02:41:51 [  OK  ] Stopped target Slices.
> 
> 02:41:51 [  OK  ] Stopped target Sockets.
> 
> 02:41:51 [  OK  ] Stopped target System Initialization.
> 
> 02:41:51 [  OK  ] Stopped target Local File Systems.
> 
> 02:41:51 [  OK  ] Stopped Apply Kernel Variables.
> 
> 02:41:51          Stopping Apply Kernel Variables...
> 
> 02:41:51 [  OK  ] Stopped udev Coldplug all Devices.
> 
> 02:41:51          Stopping udev Coldplug all Devices...
> 
> 02:41:51          Stopping udev Kernel Device Manager...
> 
> 02:41:51 [  OK  ] Stopped target Swap.
> 
> 02:41:51 [  OK  ] Stopped target Paths.
> 
> 02:41:51 [  OK  ] Started Plymouth switch root service.
> 
> 02:41:52 [  OK  ] Stopped udev Kernel Device Manager.
> 
> 02:41:52 [  OK  ] Stopped dracut pre-udev hook.
> 
> 02:41:52          Stopping dracut pre-udev hook...
> 
> 02:41:52 [  OK  ] Stopped dracut cmdline hook.
> 
> 02:41:52          Stopping dracut cmdline hook...
> 
> 02:41:52 [  OK  ] Stopped Create Static Device Nodes in /dev.
> 
> 02:41:52          Stopping Create Static Device Nodes in /dev...
> 
> 02:41:52 [  OK  ] Stopped Create list of required sta...ce nodes for the current kernel.
> 
> 02:41:52          Stopping Create list of required st... nodes for the current kernel...
> 
> 02:41:52 [  OK  ] Closed udev Control Socket.
> 
> 02:41:52 [  OK  ] Closed udev Kernel Socket.
> 
> 02:41:52          Starting Cleanup udevd DB...
> 
> 02:41:52 [  OK  ] Started Cleanup udevd DB.
> 
> 02:41:52 [  OK  ] Reached target Switch Root.
> 
> 02:41:52          Starting Switch Root...
> 
> 02:41:52 [   11.916042] systemd-journald[442]: Received SIGTERM from PID 1 (systemd).
> 02:41:52 [   12.037828] systemd: 25 output lines suppressed due to ratelimiting
> 02:41:52 [   12.267757] SELinux:  Disabled at runtime.
> 02:41:52 [   12.316999] audit: type=1404 audit(1488834718.250:2): selinux=0 auid=4294967295 ses=4294967295
> 02:41:52 [   12.506615] ip_tables: (C) 2000-2006 Netfilter Core Team
> 02:41:52 [   12.507155] systemd[1]: Inserted module 'ip_tables'
> 02:41:52 
> 
> 02:41:52 Welcome to Red Hat Enterprise Linux Server 7.2 (Maipo)!
> 
> 02:41:52 
> 
> 02:41:53 [  OK  ] Stopped Switch Root.
> 
> 02:41:53 [  OK  ] Listening on udev Kernel Socket.
> 
> 02:41:53          Mounting RPC Pipe File System...
> 
> 02:41:53          Starting Replay Read-Ahead Data...
> 
> 02:41:53 [  OK  ] Listening on /dev/initctl Compatibility Named Pipe.
> 
> 02:41:53 [  OK  ] Listening on LVM2 poll daemon socket.
> 
> 02:41:53          Mounting NFSD configuration filesystem...
> 
> 02:41:53          Starting Create list of required st... nodes for the current kernel...
> 
> 02:41:53 [  OK  ] Listening on Delayed Shutdown Socket.
> 
> 02:41:53 [  OK  ] Listening on udev Control Socket.
> 
> 02:41:53 [  OK  ] Listening on Device-mapper event daemon FIFOs.
> 
> 02:41:53 [  OK  ] Set up automount Arbitrary Executab...ats File System Automount Point.
> 
> 02:41:53 [  OK  ] Created slice system-serial\x2dgetty.slice.
> 
> 02:41:53 [  OK  ] Stopped target Switch Root.
> 
> 02:41:53 [  OK  ] Stopped target Initrd File Systems.
> 
> 02:41:53          Mounting Debug File System...
> 
> 02:41:53 [  OK  ] Listening on LVM2 metadata daemon socket.
> 
> 02:41:53          Starting Monitoring of LVM2 mirrors... dmeventd or progress polling...
> 
> 02:41:53          Mounting POSIX Message Queue File System...
> 
> 02:41:53 [  OK  ] Reached target Encrypted Volumes.
> 
> 02:41:53          Mounting Huge Pages File System...
> 
> 02:41:53 [  OK  ] Stopped target Initrd Root File System.
> 
> 02:41:53 [  OK  ] Created slice system-getty.slice.
> 
> 02:41:53 [  OK  ] Stopped Flush Journal to Persistent Storage.
> 
> 02:41:53 [  OK  ] Stopped Journal Service.
> 
> 02:41:53          Starting Journal Service...
> 
> 02:41:53          Starting Collect Read-Ahead Data...
> 
> 02:41:53 [  OK  ] Created slice User and Session Slice.
> 
> 02:41:53 [  OK  ] Reached target Slices.
> 
> 02:41:53 [   13.423828] systemd-readahead[982]: Bumped block_nr parameter of 8:0 to 20480. This is a temporary hack and should be removed one day.
> 02:41:53 [  OK  ] Started Collect Read-Ahead Data.
> 
> 02:41:53 [  OK  ] Started Replay Read-Ahead Data.
> 
> 02:41:53          Starting Remount Root and Kernel File Systems...
> 
> 02:41:53          Starting Set Up Additional Binary Formats...
> 
> 02:41:53          Starting Apply Kernel Variables...
> 
> 02:41:53 [  OK  ] Started Create list of required sta...ce nodes for the current kernel.
> 
> 02:41:53          Starting Create Static Device Nodes in /dev...
> 
> 02:41:53          Mounting Arbitrary Executable File Formats File System...
> 
> 02:41:53 [  OK  ] Started Journal Service.
> 
> 02:41:54 [  OK  ] Mounted Debug File System.
> 
> 02:41:54 [   13.777018] EXT4-fs (sda): re-mounted. Opts: (null)
> 02:41:54 [  OK  ] Started Remount Root and Kernel File Systems.
> 
> 02:41:54          Starting udev Coldplug all Devices...
> 
> 02:41:54          Starting Configure read-only root support...
> 
> 02:41:54          Starting Flush Journal to Persistent Storage...
> 
> 02:41:54          Starting Load/Save Random Seed...
> 
> 02:41:54 [  OK  ] Mounted Huge Pages File System.
> 
> 02:41:54 [  OK  ] Mounted POSIX Message Queue File System.
> 
> 02:41:54 [  OK  ] Started Apply Kernel Variables.
> 
> 02:41:54 [  OK  ] Started Load/Save Random Seed.
> 
> 02:41:54 [   13.822026] systemd-journald[989]: Received request to flush runtime journal from PID 1
> 02:41:54 [  OK  ] Started Flush Journal to Persistent Storage.
> 
> 02:41:54 [  OK  ] Started udev Coldplug all Devices.
> 
> 02:41:54 [  OK  ] Started LVM2 metadata daemon.
> 
> 02:41:54          Starting LVM2 metadata daemon...
> 
> 02:41:54 [  OK  ] Started Create Static Device Nodes in /dev.
> 
> 02:41:54 [  OK  ] Reached target Local File Systems (Pre).
> 
> 02:41:54          Starting udev Kernel Device Manager...
> 
> 02:41:54 [  OK  ] Mounted Arbitrary Executable File Formats File System.
> 
> 02:41:54 [  OK  ] Started Set Up Additional Binary Formats.
> 
> 02:41:54 [  OK  ] Started Configure read-only root support.
> 
> 02:41:54 [   13.951758] RPC: Registered named UNIX socket transport module.
> 02:41:54 [   13.951769] RPC: Registered udp transport module.
> 02:41:54 [   13.951773] RPC: Registered tcp transport module.
> 02:41:54 [   13.951776] RPC: Registered tcp NFSv4.1 backchannel transport module.
> 02:41:54 [  OK  ] Mounted RPC Pipe File System.
> 
> 02:41:54 [   14.074053] ------------[ cut here ]------------
> 02:41:54 [   14.074067] WARNING: CPU: 5 PID: 1003 at kernel/jump_label.c:287 .static_key_set_entries.isra.10+0x34/0x40
> 02:41:54 [   14.074071] Modules linked in: nfsd(E+) auth_rpcgss(E) nfs_acl(E) lockd(E) grace(E) sunrpc(E) binfmt_misc(E) ip_tables(E) ext4(E) mbcache(E) jbd2(E) sd_mod(E) ibmvscsi(E) ibmveth(E) scsi_transport_srp(E)
> 02:41:54 [   14.074087] CPU: 5 PID: 1003 Comm: modprobe Tainted: G            E   4.11.0-rc1-autotest #1
> 02:41:54 [   14.074091] task: c0000000ff789680 task.stack: c0000000ff820000
> 02:41:54 [   14.074094] NIP: c00000000022fc94 LR: c0000000002300bc CTR: 0000000000000000
> 02:41:54 [   14.074097] REGS: c0000000ff8236d0 TRAP: 0700   Tainted: G            E    (4.11.0-rc1-autotest)
> 02:41:54 [   14.074101] MSR: 800000000282b032 <SF,VEC,VSX,EE,FP,ME,IR,DR,RI>
> 02:41:54 [   14.074107]   CR: 48228282  XER: 00000001
> 02:41:54 [   14.074111] CFAR: c00000000022fc64 SOFTE: 1 
> 02:41:54 [   14.074111] GPR00: c000000000230074 c0000000ff823950 c00000000138a500 d00000000ee5db08 
> 02:41:54 [   14.074111] GPR04: d00000000ee60ca7 0000000100000017 c000000001325c78 0000000000000000 
> 02:41:54 [   14.074111] GPR08: 0000000000058165 0000000000000001 c00000000120a500 7f7f7f7f7f7f7f7f 
> 02:41:54 [   14.074111] GPR12: 0000000028222288 c00000000e9f2d00 d00000000edb2480 d00000000edb2480 
> 02:41:54 [   14.074111] GPR16: c0000000ff823dec c0000000ff823da0 000000000000ff20 000001003ccb0470 
> 02:41:54 [   14.074111] GPR20: 0000000000005418 d00000000ee80000 d00000000ee62538 0000000000000001 
> 02:41:54 [   14.074111] GPR24: c00000000120739a 0000000000000000 c0000000011e7900 d00000000ee60d67 
> 02:41:54 [   14.074111] GPR28: 0000000000000000 d00000000ee60e00 d00000000ee5db00 d00000000ee60ca7 
> 02:41:54 [   14.074151] NIP [c00000000022fc94] .static_key_set_entries.isra.10+0x34/0x40
> 02:41:54 [   14.074155] LR [c0000000002300bc] .jump_label_module_notify+0x1ec/0x400
> 02:41:54 [   14.074157] Call Trace:
> 02:41:54 [   14.074160] [c0000000ff823950] [c000000000230074] .jump_label_module_notify+0x1a4/0x400 (unreliable)
> 02:41:54 [   14.074166] [c0000000ff823a20] [c0000000000ffbcc] .notifier_call_chain+0x7c/0xf0
> 02:41:54 [   14.074170] [c0000000ff823ac0] [c000000000100038] .__blocking_notifier_call_chain+0x58/0x90
> 02:41:54 [   14.074175] [c0000000ff823b60] [c00000000018defc] .load_module+0x124c/0x15d0
> 02:41:54 [   14.074179] [c0000000ff823d20] [c00000000018e4f0] .SyS_finit_module+0xa0/0x100
> 02:41:54 [   14.074184] [c0000000ff823e30] [c00000000000b184] system_call+0x38/0xe0
> 02:41:54 [   14.074187] Instruction dump:
> 02:41:54 [   14.074190] 40c20018 e9230000 792907a0 7c844b78 f8830000 4e800020 3d42ffe8 892ace9a 
> 02:41:54 [   14.074196] 2f890000 40feffe0 39200001 992ace9a <0fe00000> 4bffffd0 60000000 788907a1 
> 02:41:54 [   14.074203] ---[ end trace 78f08bafbc2388f2 ]---
> 02:41:54 [   14.074415] Installing knfsd (copyright (C) 1996 okir@xxxxxxxxxxxx).
> 02:41:54 [  OK  ] Mounted NFSD configuration filesystem.
> 
> 02:41:54 [  OK  ] Started udev Kernel Device Manager.
> 
> 02:41:54 [  OK  ] Found device /dev/hvc0.
> 
> 02:41:55 %G[   15.144829] ibmveth 30000002 net0: renamed from eth0
> 02:41:55 [  OK  ] Started Monitoring of LVM2 mirrors,...ng dmeventd or progress polling.
> 
> 02:41:55 [   15.190260] sd 0:0:1:0: Attached scsi generic sg0 type 0
> 02:41:56 [  OK  ] Found device VDASD 6.
> 
> 02:41:56          Activating swap /dev/disk/by-uuid/f...0-0b84-492f-b0c9-924978a0cffb...
> 
> 02:41:56 [   16.279314] Adding 10485696k swap on /dev/sda6.  Priority:-1 extents:1 across:10485696k FS
> 02:41:56 [  OK  ] Activated swap /dev/disk/by-uuid/fcd2d140-0b84-492f-b0c9-924978a0cffb.
> 
> 02:41:56 [  OK  ] Found device VDASD 5.
> 
> 02:41:56          Mounting /home...
> 
> 02:41:56 [  OK  ] Reached target Swap.
> 
> 02:41:56 [  OK  ] Found device VDASD 2.
> 
> 02:41:56          Mounting /boot...
> 
> 02:41:56 [   16.426644] sysfs: cannot create duplicate filename '/fs/xfs/sda'
> 02:41:56 [   16.426667] ------------[ cut here ]------------
> 02:41:56 [   16.426675] WARNING: CPU: 14 PID: 1722 at fs/sysfs/dir.c:31 .sysfs_warn_dup+0x78/0xb0
> 02:41:56 [   16.426679] Modules linked in: sg(E) nfsd(E) auth_rpcgss(E) nfs_acl(E) lockd(E) grace(E) sunrpc(E) binfmt_misc(E) ip_tables(E) ext4(E) mbcache(E) jbd2(E) sd_mod(E) ibmvscsi(E) ibmveth(E) scsi_transport_srp(E)
> 02:41:56 [   16.426703] CPU: 14 PID: 1722 Comm: mount Tainted: G        W   E   4.11.0-rc1-autotest #1
> 02:41:56 [   16.426708] task: c0000009ed3f9c80 task.stack: c0000009ed430000
> 02:41:56 [   16.426711] NIP: c0000000003a6c68 LR: c0000000003a6c64 CTR: 0000000001764c5c
> 02:41:56 [   16.426716] REGS: c0000009ed4333c0 TRAP: 0700   Tainted: G        W   E    (4.11.0-rc1-autotest)
> 02:41:56 [   16.426720] MSR: 800000000282b032 <SF,VEC,VSX,EE,FP,ME,IR,DR,RI>
> 02:41:56 [   16.426726]   CR: 22022822  XER: 00000006
> 02:41:56 [   16.426731] CFAR: c000000000994958 SOFTE: 1 
> 02:41:56 [   16.426731] GPR00: c0000000003a6c64 c0000009ed433640 c00000000138a500 0000000000000035 
> 02:41:56 [   16.426731] GPR04: c0000009ff88ada0 c0000009ff8a1658 00000000014cfc2c 0000000000000000 
> 02:41:56 [   16.426731] GPR08: 0000000000000000 c000000000dd146c 00000009feac0000 0000000000003fef 
> 02:41:56 [   16.426731] GPR12: 0000000022022844 c00000000e9f7e00 0000000037409c40 0000000037409c30 
> 02:41:56 [   16.426731] GPR16: 0000000037409c28 ffffffffffffffff 0000000000000000 000000003741f1c8 
> 02:41:56 [   16.426731] GPR20: 00000100147d1270 0000000000000000 00000000c0ed0000 00003fffa0f53384 
> 02:41:56 [   16.426731] GPR24: c00000000394d178 c000000000c054c0 c000000001742e68 c0000000ff3ea640 
> 02:41:56 [   16.426731] GPR28: c00000000394d640 c0000013eec28c28 c0000009f2ab0148 c000000003833000 
> 02:41:56 [   16.426780] NIP [c0000000003a6c68] .sysfs_warn_dup+0x78/0xb0
> 02:41:56 [   16.426784] LR [c0000000003a6c64] .sysfs_warn_dup+0x74/0xb0
> 02:41:56 [   16.426787] Call Trace:
> 02:41:56 [   16.426790] [c0000009ed433640] [c0000000003a6c64] .sysfs_warn_dup+0x74/0xb0 (unreliable)
> 02:41:56 [   16.426796] [c0000009ed4336d0] [c0000000003a6de4] .sysfs_create_dir_ns+0xc4/0xd0
> 02:41:56 [   16.426801] [c0000009ed433760] [c000000000551048] .kobject_add_internal+0xd8/0x450
> 02:41:56 [   16.426807] [c0000009ed433800] [c00000000055141c] .kobject_init_and_add+0x5c/0x90
> 02:41:56 [   16.426813] [c0000009ed433890] [c00000000044ac54] .xfs_mountfs+0x224/0xa30
> 02:41:56 [   16.426818] [c0000009ed433960] [c000000000452a90] .xfs_fs_fill_super+0x490/0x620
> 02:41:56 [   16.426824] [c0000009ed433a10] [c0000000002fefc0] .mount_bdev+0x220/0x260
> 02:41:56 [   16.426828] [c0000009ed433ac0] [c0000000004509b8] .xfs_fs_mount+0x18/0x30
> 02:41:56 [   16.426833] [c0000009ed433b30] [c000000000300520] .mount_fs+0x70/0x210
> 02:41:56 [   16.426838] [c0000009ed433bf0] [c000000000325930] .vfs_kern_mount+0x60/0x1c0
> 02:41:56 [   16.426843] [c0000009ed433cb0] [c00000000032a458] .do_mount+0x268/0xee0
> 02:41:56 [   16.426848] [c0000009ed433d90] [c00000000032b4ec] .SyS_mount+0x8c/0x100
> 02:41:56 [   16.426854] [c0000009ed433e30] [c00000000000b184] system_call+0x38/0xe0
> 02:41:56 [   16.426858] Instruction dump:
> 02:41:56 [   16.426861] 7fa3eb78 38800000 7fe5fb78 38c01000 4bffa929 60000000 3c62ff8b 7fe4fb78 
> 02:41:56 [   16.426869] 38636ec8 7fc5f378 485edcb9 60000000 <0fe00000> 7fe3fb78 4bf1fb01 60000000 
> 02:41:56 [   16.426877] ---[ end trace 78f08bafbc2388f3 ]---
> 02:41:56 [   16.426881] kobject_add_internal failed for sda with -EEXIST, don't try to register things with the same name in the same directory.
> 02:41:56 [   16.426891] ------------[ cut here ]------------
> 02:41:56 [   16.426896] WARNING: CPU: 14 PID: 1722 at lib/kobject.c:240 .kobject_add_internal+0x270/0x450
> 02:41:56 [   16.426900] Modules linked in: sg(E) nfsd(E) auth_rpcgss(E) nfs_acl(E) lockd(E) grace(E) sunrpc(E) binfmt_misc(E) ip_tables(E) ext4(E) mbcache(E) jbd2(E) sd_mod(E) ibmvscsi(E) ibmveth(E) scsi_transport_srp(E)
> 02:41:56 [   16.426917] CPU: 14 PID: 1722 Comm: mount Tainted: G        W   E   4.11.0-rc1-autotest #1
> 02:41:56 [   16.426921] task: c0000009ed3f9c80 task.stack: c0000009ed430000
> 02:41:56 [   16.426925] NIP: c0000000005511e0 LR: c0000000005511dc CTR: 0000000001764c5c
> 02:41:56 [   16.426929] REGS: c0000009ed4334e0 TRAP: 0700   Tainted: G        W   E    (4.11.0-rc1-autotest)
> 02:41:56 [   16.426933] MSR: 800000000282b032 <SF,VEC,VSX,EE,FP,ME,IR,DR,RI>
> 02:41:56 [   16.426939]   CR: 42022822  XER: 00000009
> 02:41:56 [   16.426944] CFAR: c000000000994958 SOFTE: 1 
> 02:41:56 [   16.426944] GPR00: c0000000005511dc c0000009ed433760 c00000000138a500 0000000000000078 
> 02:41:56 [   16.426944] GPR04: 0000000000000000 8000000014af2cb8 00000000014cfd04 0000000000000000 
> 02:41:56 [   16.426944] GPR08: 0000000000000001 0000000000000007 0000000000000006 0000000000003fef 
> 02:41:56 [   16.426944] GPR12: 0000000028022824 c00000000e9f7e00 0000000037409c40 0000000037409c30 
> 02:41:56 [   16.426944] GPR16: 0000000037409c28 ffffffffffffffff 0000000000000000 000000003741f1c8 
> 02:41:56 [   16.426944] GPR20: 00000100147d1270 0000000000000000 00000000c0ed0000 00003fffa0f53384 
> 02:41:56 [   16.426944] GPR24: c00000000394d178 c000000000c054c0 c000000001742e68 c0000000ff3ea640 
> 02:41:56 [   16.426944] GPR28: c00000000394d640 c0000009f3a92e98 ffffffffffffffef c00000000394d638 
> 02:41:56 [   16.426992] NIP [c0000000005511e0] .kobject_add_internal+0x270/0x450
> 02:41:56 [   16.426996] LR [c0000000005511dc] .kobject_add_internal+0x26c/0x450
> 02:41:56 [   16.426999] Call Trace:
> 02:41:56 [   16.427002] [c0000009ed433760] [c0000000005511dc] .kobject_add_internal+0x26c/0x450 (unreliable)
> 02:41:56 [   16.427009] [c0000009ed433800] [c00000000055141c] .kobject_init_and_add+0x5c/0x90
> 02:41:56 [   16.427014] [c0000009ed433890] [c00000000044ac54] .xfs_mountfs+0x224/0xa30
> 02:41:56 [   16.427019] [c0000009ed433960] [c000000000452a90] .xfs_fs_fill_super+0x490/0x620
> 02:41:56 [   16.427024] [c0000009ed433a10] [c0000000002fefc0] .mount_bdev+0x220/0x260
> 02:41:56 [   16.427028] [c0000009ed433ac0] [c0000000004509b8] .xfs_fs_mount+0x18/0x30
> 02:41:56 [   16.427033] [c0000009ed433b30] [c000000000300520] .mount_fs+0x70/0x210
> 02:41:56 [   16.427038] [c0000009ed433bf0] [c000000000325930] .vfs_kern_mount+0x60/0x1c0
> 02:41:56 [   16.427043] [c0000009ed433cb0] [c00000000032a458] .do_mount+0x268/0xee0
> 02:41:56 [   16.427048] [c0000009ed433d90] [c00000000032b4ec] .SyS_mount+0x8c/0x100
> 02:41:56 [   16.427053] [c0000009ed433e30] [c00000000000b184] system_call+0x38/0xe0
> 02:41:56 [   16.427056] Instruction dump:
> 02:41:56 [   16.427059] 4bfff211 2f9effef 39200000 f93f0018 409efeb8 e8bf0000 3c62ff8d 3c82ff68 
> 02:41:56 [   16.427067] 386351d0 38845948 48443741 60000000 <0fe00000> 4bfffec4 60000000 60000000 
> 02:41:56 [   16.427075] ---[ end trace 78f08bafbc2388f4 ]---
> 02:41:56 [FAILED] Failed to mount /home.
> 
> 02:41:56 See 'systemctl status home.mount' for details.
> 
> 02:41:56 [DEPEND] Dependency failed for Local File Systems.
> 
> 02:41:56 [DEPEND] Dependency failed for Relabel all filesystems, if necessary.
> 
> 02:41:56 [DEPEND] Dependency failed for Mark the need to relabel after reboot.
> 
> 02:41:56          Starting Preprocess NFS configuration...
> 
> 02:41:56 [  OK  ] Closed RPCbind Server Activation Socket.
> 
> 02:41:56 [  OK  ] Closed Open-iSCSI iscsiuio Socket.
> 
> 02:41:56 [  OK  ] Stopped Dump dmesg to /var/log/dmesg.
> 
> 02:41:56 [  OK  ] Stopped Serial Getty on hvc0.
> 
> 02:41:56 [  OK  ] Closed Open-iSCSI iscsid Socket.
> 
> 02:41:56 [  OK  ] Stopped Getty on tty1.
> 
> 02:41:56 [  OK  ] Stopped target Multi-User System.
> 
> 02:41:56 [  OK  ] Stopped Postfix Mail Transport Agent.
> 
> 02:41:56 [  OK  ] Stopped IBM Performance Management for PowerLinux Systems.
> 
> 02:41:56 [  OK  ] Stopped Login Service.
> 
> 02:41:56 [  OK  ] Stopped RMC-Resource Monitioring and Control.
> 
> 02:41:56 [  OK  ] Stopped SRC-Subsystem Resource Controller.
> 
> 02:41:56 [  OK  ] Stopped IBM Power Raid update daemon.
> 
> 02:41:56 [  OK  ] Stopped OpenSSH server daemon.
> 
> 02:41:56 [  OK  ] Stopped OpenSSH Server Key Generation.
> 
> 02:41:56 [  OK  ] Stopped Terminate Plymouth Boot Screen.
> 
> 02:41:56 [  OK  ] Stopped Enable periodic update of entitlement certificates..
> 
> 02:41:56 [  OK  ] Stopped Virtualization daemon.
> 
> 02:41:56 [  OK  ] Stopped irqbalance daemon.
> 
> 02:41:56 [  OK  ] Stopped Wait for Plymouth Boot Screen to Quit.
> 
> 02:41:56 [  OK  ] Stopped LSB: Bring up/down networking.
> 
> 02:41:56 [  OK  ] Stopped Network Manager Wait Online.
> 
> 02:41:56 [  OK  ] Stopped Network Manager.
> 
> 02:41:56 [  OK  ] Stopped Rollback uncommitted netcf network config change transactions.
> 
> 02:41:56 [  OK  ] Stopped IBM Power Raid init daemon.
> 
> 02:41:56 [  OK  ] Stopped IBM Power Raid dump daemon.
> 
> 02:41:56 [  OK  ] Stopped D-Bus System Message Bus.
> 
> 02:41:56 [  OK  ] Reached target Login Prompts.
> 
> 02:41:56 [   16.435977] XFS (sda): Mounting V4 Filesystem
> 02:41:56 [  OK  ] Stopped opal_errd (PowerNV platform error handling) Service.
> 
> 02:41:56 [  OK  ] Stopped LSB: Starts the Spacewalk Daemon.
> 
> 02:41:56 [  OK  ] Stopped GSSAPI Proxy Daemon.
> 
> 02:41:56 [  OK  ] Stopped System Logging Service.
> 
> 02:41:56 [  OK  ] Closed D-Bus System Message Bus Socket.
> 
> 02:41:56 [  OK  ] Stopped Job spooling tools.
> 
> 02:41:56 [  OK  ] Stopped Command Scheduler.
> 
> 02:41:56 [  OK  ] Stopped Permit User Sessions.
> 
> 02:41:56 [  OK  ] Reached target Timers.
> 
> 02:41:56 [  OK  ] Stopped Dynamic System Tuning Daemon.
> 
> 02:41:56 [  OK  ] Reached target Network.
> 
> 02:41:56          Starting Logout off all iSCSI sessions on shutdown...
> 
> 02:41:56 [  OK  ] Reached target Network is Online.
> 
> 02:41:56 [  OK  ] Stopped ppc64-diag rtas_errd (platform error handling) Service.
> 
> 02:41:56 [  OK  ] Stopped target Basic System.
> 
> 02:41:56 [  OK  ] Reached target Paths.
> 
> 02:41:56 [  OK  ] Reached target Sockets.
> 
> 02:41:56 [  OK  ] Stopped target System Initialization.
> 
> 02:41:56          Starting Tell Plymouth To Write Out Runtime Data...
> 
> 02:41:56          Starting Import network configuration from initramfs...
> 
> 02:41:56 [  OK  ] Started Preprocess NFS configuration.
> 
> 02:41:56 [  OK  ] Started Logout off all iSCSI sessions on shutdown.
> 
> 02:41:56 [  OK  ] Started Import network configuration from initramfs.
> 
> 02:41:57          Starting Create Volatile Files and Directories...
> 
> 02:41:57 [  OK  ] Started Emergency Shell.
> 
> 02:41:57          Starting Emergency Shell...
> 
> 02:41:57 [  OK  ] Reached target Emergency Mode.
> 
> 02:41:57          Starting Notify NFS peers of a restart...
> 
> 02:41:57 [  OK  ] Reached target NFS client services.
> 
> 02:41:57 [  OK  ] Reached target Remote File Systems (Pre).
> 
> 02:41:57 [  OK  ] Reached target Remote File Systems.
> 
> 02:41:57          Starting Crash recovery kernel arming...
> 
> 02:41:57 [  OK  ] Started Tell Plymouth To Write Out Runtime Data.
> 
> 02:41:57 [  OK  ] Started Notify NFS peers of a restart.
> 
> 02:41:57 [  OK  ] Started Create Volatile Files and Directories.
> 
> 02:41:57          Starting Security Auditing Service...
> 
> 02:41:57 [  OK  ] Started Security Auditing Service.
> 
> 02:41:57          Starting Update UTMP about System Boot/Shutdown...
> 
> 02:41:57 [  OK  ] Started Update UTMP about System Boot/Shutdown.
> 
> 02:41:57          Starting Update UTMP about System Runlevel Changes...
> 
> 02:41:57 [  OK  ] Started Update UTMP about System Runlevel Changes.
> 
> 02:41:57 [FAILED] Failed to start Crash recovery kernel arming.
> 
> 02:41:57 See 'systemctl status kdump.service' for details.
> 
> 02:41:58 [   17.966543] XFS (sda): Starting recovery (logdev: internal)
> 02:41:58 [   18.461612] XFS (sda): Ending recovery (logdev: internal)
> 02:41:58 [  OK  ] Mounted /boot.
> 
> 02:41:58 Welcome to emergency mode! After logging in, type "journalctl -xb" to view
> 02:41:58 system logs, "systemctl reboot" to reboot, "systemctl default" or ^D to
> 02:41:58 try again to boot into default mode.
> 02:41:58 Give root password for maintenance
> 07:17:04 (or type Control-D to continue):





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