[31125.222770] sd 3:0:1:2: Power-on or device reset occurred
[31126.200333] sd 3:0:1:2: Power-on or device reset occurred
[31126.224977] sd 3:0:1:0: Power-on or device reset occurred
[31126.225659] sd 3:0:0:0: Power-on or device reset occurred
[31133.461895] mon.sh (7054): drop_caches: 3
[31135.237230] sd 3:0:0:1: Power-on or device reset occurred
[31136.484085] sd 3:0:0:1: Power-on or device reset occurred
[31137.237062] sd 3:0:1:1: Power-on or device reset occurred
[31139.240122] sd 3:0:1:2: Power-on or device reset occurred
[31141.241554] sd 3:0:1:1: Power-on or device reset occurred
[31141.242848] sd 3:0:1:2: Power-on or device reset occurred
[31143.244165] sd 3:0:1:1: Power-on or device reset occurred
[31145.249298] sd 3:0:0:0: Power-on or device reset occurred
[31145.250432] sd 3:0:0:2: Power-on or device reset occurred
[31147.252895] sd 3:0:0:0: Power-on or device reset occurred
[31147.253663] sd 3:0:0:2: Power-on or device reset occurred
[31147.254425] sd 3:0:1:2: Power-on or device reset occurred
[31147.257822] sd 3:0:1:0: Power-on or device reset occurred
[31149.259319] sd 3:0:1:0: Power-on or device reset occurred
[31149.259898] sd 3:0:0:0: Power-on or device reset occurred
[31157.264928] sd 3:0:0:1: Power-on or device reset occurred
[31159.266679] sd 3:0:0:1: Power-on or device reset occurred
[31159.267434] sd 3:0:1:1: Power-on or device reset occurred
[31161.270881] sd 3:0:1:2: Power-on or device reset occurred
[31163.272313] sd 3:0:1:1: Power-on or device reset occurred
[31163.273755] sd 3:0:1:2: Power-on or device reset occurred
[31165.278947] sd 3:0:1:1: Power-on or device reset occurred
[31167.280786] sd 3:0:0:0: Power-on or device reset occurred
[31167.281952] sd 3:0:0:2: Power-on or device reset occurred
[31169.283570] sd 3:0:0:0: Power-on or device reset occurred
[31169.284581] sd 3:0:0:2: Power-on or device reset occurred
[31169.285118] sd 3:0:1:2: Power-on or device reset occurred
[31169.288440] sd 3:0:1:0: Power-on or device reset occurred
[31171.290573] sd 3:0:1:0: Power-on or device reset occurred
[31171.291184] sd 3:0:0:0: Power-on or device reset occurred
[31180.295565] sd 3:0:0:1: Power-on or device reset occurred
[31181.000945] mon.sh (7054): drop_caches: 3
[31182.297098] sd 3:0:0:1: Power-on or device reset occurred
[31182.297870] sd 3:0:1:1: Power-on or device reset occurred
[31184.303477] sd 3:0:1:2: Power-on or device reset occurred
[31186.306292] sd 3:0:1:1: Power-on or device reset occurred
[31186.307513] sd 3:0:1:2: Power-on or device reset occurred
[31188.309324] sd 3:0:1:1: Power-on or device reset occurred
[31190.310439] sd 3:0:0:0: Power-on or device reset occurred
[31190.311418] sd 3:0:0:2: Power-on or device reset occurred
[31192.313791] sd 3:0:0:0: Power-on or device reset occurred
[31192.314515] sd 3:0:0:2: Power-on or device reset occurred
[31192.322582] sd 3:0:1:2: Power-on or device reset occurred
[31192.326089] sd 3:0:1:0: Power-on or device reset occurred
[31194.330523] sd 3:0:1:0: Power-on or device reset occurred
[31194.331193] sd 3:0:0:0: Power-on or device reset occurred
[31202.334695] sd 3:0:0:1: Power-on or device reset occurred
[31206.340052] sd 3:0:0:1: Power-on or device reset occurred
[31206.340833] sd 3:0:1:1: Power-on or device reset occurred
[31206.344208] sd 3:0:1:2: Power-on or device reset occurred
[31208.345958] sd 3:0:1:1: Power-on or device reset occurred
[31208.351923] sd 3:0:0:1: Power-on or device reset occurred
[31208.353983] sd 3:0:1:2: Power-on or device reset occurred
[31212.355374] sd 3:0:0:0: Power-on or device reset occurred
[31212.357567] sd 3:0:1:0: Power-on or device reset occurred
[31212.359501] sd 3:0:0:2: Power-on or device reset occurred
[31214.361650] sd 3:0:1:0: Power-on or device reset occurred
[31216.363359] sd 3:0:1:0: Power-on or device reset occurred
[31227.369538] sd 3:0:0:1: Power-on or device reset occurred
[31228.461991] mon.sh (7054): drop_caches: 3
[31229.371182] sd 3:0:0:1: Power-on or device reset occurred
[31229.371894] sd 3:0:1:1: Power-on or device reset occurred
[31229.373183] sd 3:0:1:2: Power-on or device reset occurred
[31231.375124] sd 3:0:1:1: Power-on or device reset occurred
[31231.376054] sd 3:0:0:1: Power-on or device reset occurred
[31231.379032] sd 3:0:1:2: Power-on or device reset occurred
[31233.380390] sd 3:0:0:0: Power-on or device reset occurred
[31233.381867] sd 3:0:0:2: Power-on or device reset occurred
[31237.384338] sd 3:0:1:0: Power-on or device reset occurred
[31239.386018] sd 3:0:1:0: Power-on or device reset occurred
[31249.392431] sd 3:0:0:1: Power-on or device reset occurred
[31251.394780] sd 3:0:0:1: Power-on or device reset occurred
[31251.395365] sd 3:0:1:1: Power-on or device reset occurred
[31251.396946] sd 3:0:1:2: Power-on or device reset occurred
[31251.399556] sd 3:0:0:2: Power-on or device reset occurred
[31253.402416] sd 3:0:0:0: Power-on or device reset occurred
[31253.403804] sd 3:0:0:2: Power-on or device reset occurred
[31255.405329] sd 3:0:0:0: Power-on or device reset occurred
[31255.405911] sd 3:0:1:0: Power-on or device reset occurred
[31255.408718] sd 3:0:0:2: Power-on or device reset occurred
[31259.409823] sd 3:0:1:0: Power-on or device reset occurred
[31261.411252] sd 3:0:1:0: Power-on or device reset occurred
[31272.418326] sd 3:0:0:1: Power-on or device reset occurred
[31272.419244] sd 3:0:1:1: Power-on or device reset occurred
[31272.420364] sd 3:0:1:2: Power-on or device reset occurred
[31274.422446] sd 3:0:0:1: Power-on or device reset occurred
[31274.423125] sd 3:0:1:1: Power-on or device reset occurred
[31274.426628] sd 3:0:1:2: Power-on or device reset occurred
[31274.427323] sd 3:0:0:2: Power-on or device reset occurred
[31275.903855] mon.sh (7054): drop_caches: 3
[31276.430256] sd 3:0:0:0: Power-on or device reset occurred
[31276.431309] sd 3:0:0:2: Power-on or device reset occurred
[31278.433096] sd 3:0:0:0: Power-on or device reset occurred
[31278.433727] sd 3:0:1:0: Power-on or device reset occurred
[31278.437097] sd 3:0:0:2: Power-on or device reset occurred
[31282.438570] sd 3:0:1:0: Power-on or device reset occurred
[31284.442813] sd 3:0:1:0: Power-on or device reset occurred
[31294.448362] sd 3:0:0:1: Power-on or device reset occurred
[31294.449223] sd 3:0:1:1: Power-on or device reset occurred
[31294.451149] sd 3:0:1:2: Power-on or device reset occurred
[31296.452949] sd 3:0:0:1: Power-on or device reset occurred
[31296.453524] sd 3:0:1:1: Power-on or device reset occurred
[31296.456646] sd 3:0:1:2: Power-on or device reset occurred
[31296.457331] sd 3:0:0:2: Power-on or device reset occurred
[31298.460401] sd 3:0:0:0: Power-on or device reset occurred
[31298.462385] sd 3:0:0:2: Power-on or device reset occurred
[31300.464177] sd 3:0:0:2: Power-on or device reset occurred
[31304.467644] sd 3:0:1:0: Power-on or device reset occurred
[31306.470206] sd 3:0:1:0: Power-on or device reset occurred
[31315.473374] sd 3:0:1:1: Power-on or device reset occurred
[31317.474987] sd 3:0:0:1: Power-on or device reset occurred
[31317.476826] sd 3:0:1:1: Power-on or device reset occurred
[31317.477547] sd 3:0:1:2: Power-on or device reset occurred
[31319.478805] sd 3:0:0:0: Power-on or device reset occurred
[31319.480763] sd 3:0:1:2: Power-on or device reset occurred
[31319.481475] sd 3:0:0:2: Power-on or device reset occurred
[31321.484561] sd 3:0:0:2: Power-on or device reset occurred
[31323.337514] mon.sh (7054): drop_caches: 3
[31323.486261] sd 3:0:0:2: Power-on or device reset occurred
[31327.491763] sd 3:0:1:0: Power-on or device reset occurred
[31329.493370] sd 3:0:1:0: Power-on or device reset occurred
[31337.495849] sd 3:0:0:1: Power-on or device reset occurred
[31337.496824] sd 3:0:1:1: Power-on or device reset occurred
[31339.502613] sd 3:0:0:0: Power-on or device reset occurred
[31339.503845] sd 3:0:0:1: Power-on or device reset occurred
[31339.504467] sd 3:0:1:1: Power-on or device reset occurred
[31339.507221] sd 3:0:1:2: Power-on or device reset occurred
[31341.509081] sd 3:0:0:0: Power-on or device reset occurred
[31341.509760] sd 3:0:1:0: Power-on or device reset occurred
[31341.512855] sd 3:0:1:2: Power-on or device reset occurred
[31341.513564] sd 3:0:0:2: Power-on or device reset occurred
[31343.516558] sd 3:0:0:2: Power-on or device reset occurred
[31345.521160] sd 3:0:0:2: Power-on or device reset occurred
[31350.420794] Unable to handle kernel paging request for data at address 0x00000008
[31350.420858] Faulting instruction address: 0xc00000000013297c
95:mon> t
Unrecognized command: \x1a\x3t (type ? for help)
95:mon> e
cpu 0x95: Vector: 300 (Data Access) at [c000200e3903ba10]
    pc: c00000000013297c: process_one_work+0x3c/0x5a0
    lr: c000000000132f78: worker_thread+0x98/0x630
    sp: c000200e3903bc90
   msr: 9000000000009033
   dar: 8
 dsisr: 40000000
  current = 0xc000200e16fd2b00
  paca    = 0xc000000007a86700   softe: 0        irq_happened: 0x01
    pid   = 121658, comm = kworker/149:2
Linux version 4.15.0-15-generic (buildd@bos02-ppc64el-002) (gcc version 7.3.0 (Ubuntu 7.3.0-14ubuntu1)) #16-Ubuntu SMP Wed Apr 4 13:57:51 UTC 2018 (Ubuntu 4.15.0-15.16-generic 4.15.15)
95:mon> t
[c000200e3903bd20] c000000000132f78 worker_thread+0x98/0x630
[c000200e3903bdc0] c00000000013bba8 kthread+0x1a8/0x1b0
[c000200e3903be30] c00000000000b528 ret_from_kernel_thread+0x5c/0xb4
95:mon> e
cpu 0x95: Vector: 300 (Data Access) at [c000200e3903ba10]
    pc: c00000000013297c: process_one_work+0x3c/0x5a0
    lr: c000000000132f78: worker_thread+0x98/0x630
    sp: c000200e3903bc90
   msr: 9000000000009033
   dar: 8
 dsisr: 40000000
  current = 0xc000200e16fd2b00
  paca    = 0xc000000007a86700   softe: 0        irq_happened: 0x01
    pid   = 121658, comm = kworker/149:2
Linux version 4.15.0-15-generic (buildd@bos02-ppc64el-002) (gcc version 7.3.0 (Ubuntu 7.3.0-14ubuntu1)) #16-Ubuntu SMP Wed Apr 4 13:57:51 UTC 2018 (Ubuntu 4.15.0-15.16-generic 4.15.15)
95:mon> X
[31751.575581] Oops: Kernel access of bad area, sig: 11 [#1]
[31751.575605] INFO: rcu_sched detected stalls on CPUs/tasks:
[31751.575666]  0-...!: (1 GPs behind) idle=b2a/0/1 softirq=209899/209899 fqs=29
[31751.575689]  1-...!: (17 GPs behind) idle=e26/0/1 softirq=257375/257375 fqs=29
[31751.575704]  2-...!: (29 GPs behind) idle=7aa/0/1 softirq=97737/97737 fqs=29
[31751.575713]  3-...!: (5 GPs behind) idle=c5a/0/1 softirq=62215/62291 fqs=29
[31751.575730]  4-...!: (4 GPs behind) idle=a22/0/1 softirq=178696/178697 fqs=29
[31751.575742]  5-...!: (29 GPs behind) idle=56e/0/1 softirq=282720/282720 fqs=29
[31751.575746]  6-...!: (1 GPs behind) idle=d72/0/1 softirq=136578/136578 fqs=29
[31751.575764]  7-...!: (1 GPs behind) idle=0ae/0/1 softirq=133348/133348 fqs=29
[31751.575770]  8-...!: (5 GPs behind) idle=f2a/1/0 softirq=175920/175920 fqs=29
[31751.575793]  9-...!: (22 GPs behind) idle=9ee/140000000000000/0 softirq=191140/191142 fqs=29
[31751.575802]  10-...!: (85 GPs behind) idle=b9e/140000000000000/0 softirq=148584/148586 fqs=29
[31751.575821]  149-...!: (26 GPs behind) idle=d7a/140000000000000/0 softirq=72684/72684 fqs=29
[31751.575823]  (detected by 104, t=100258 jiffies, g=277185, c=277184, q=22)
[31751.575864] Sending NMI from CPU 104 to CPUs 0:
[31751.5760LOCK ERROR: Unlocked non-owned lock @0x3045b4f8 (state: 0x0000085500000001)
[31946.390372179,0] Aborting!
[31946.392131773,3] OPAL exiting with locks held, token=145 retval=0
CPU 0855 Backtrace:
 S: 0000000033d57770 R: 000000003001362c   .backtrace+0x48
 S: 0000000033d57810 R: 000000003001a3c4   ._abort+0x4c
 S: 0000000033d57890 R: 0000000030017d58   .lock_error+0x64
 S: 0000000033d57910 R: 0000000030017874   .unlock+0x60
 S: 0000000033d57980 R: 0000000030037100   .__lpc_read+0x84
 S: 0000000033d57a30 R: 000000003005727c   .bt_inb+0x2c
 S: 0000000033d57ab0 R: 0000000030057b8c   .bt_poll+0x1b0
 S: 0000000033d57b80 R: 000000003002e10c   .check_timers+0x1b8
 S: 0000000033d57c20 R: 000000003001b8f8   .opal_run_pollers+0x100
 S: 0000000033d57ca0 R: 000000003001b9cc   .opal_poll_events+0x74
 S: 0000000033d57d20 R: 000000003000515c   opal_entry+0xac
 S: 0000000033d57f00 R: 0000000030002788   secondary_wait+0x8c
[31946.393254620,6] BT: seq 0xa4 netfn 0x0a cmd 0x42: Message sent to host
[31946.395212524,6] BT: seq 0xa4 netfn 0x0a cmd 0x42: IPMI MSG done
[31946.395231989,6] BT: seq 0xa5 netfn 0x3a cmd 0xf0: Message sent to host
[31946.403110406,6] BT: seq 0xa5 netfn 0x3a cmd 0xf0: IPMI MSG done
[31946.403144759,6] BT: seq 0xa6 netfn 0x3a cmd 0xf0: Message sent to host
[31946.404706632,6] BT: seq 0xa6 netfn 0x3a cmd 0xf0: IPMI MSG done
[31946.404738620,6] BT: seq 0xa7 netfn 0x3a cmd 0xf0: Message sent to host
[31946.406444371,6] BT: seq 0xa7 netfn 0x3a cmd 0xf0: IPMI MSG done
[31946.406478883,6] BT: seq 0xa8 netfn 0x3a cmd 0xf0: Message sent to host
[31946.407859351,6] BT: seq 0xa8 netfn 0x3a cmd 0xf0: IPMI MSG done
[31946.407889450,6] BT: seq 0xa9 netfn 0x3a cmd 0xf0: Message sent to host
[31946.409309257,6] BT: seq 0xa9 netfn 0x3a cmd 0xf0: IPMI MSG done
[31946.409338597,6] BT: seq 0xaa netfn 0x3a cmd 0xf0: Message sent to host
[31946.411609986,6] BT: seq 0xaa netfn 0x3a cmd 0xf0: IPMI MSG done
[31946.411643208,6] BT: seq 0xab netfn 0x3a cmd 0xf0: Message sent to host
[31946.412987837,6] BT: seq 0xab netfn 0x3a cmd 0xf0: IPMI MSG done
[31946.413015866,6] BT: seq 0xac netfn 0x3a cmd 0xf0: Message sent to host
[31946.414353344,6] BT: seq 0xac netfn 0x3a cmd 0xf0: IPMI MSG done
[31946.414384058,6] BT: seq 0xad netfn 0x3a cmd 0xf0: Message sent to host
[31946.415858902,6] BT: seq 0xad netfn 0x3a cmd 0xf0: IPMI MSG done
[31946.415890261,6] BT: seq 0xae netfn 0x3a cmd 0xf0: Message sent to host
[31946.417613505,6] BT: seq 0xae netfn 0x3a cmd 0xf0: IPMI MSG done
[31946.417643619,6] BT: seq 0xaf netfn 0x3a cmd 0xf0: Message sent to host
[31946.419961093,6] BT: seq 0xaf netfn 0x3a cmd 0xf0: IPMI MSG done
[31946.419990946,6] BT: seq 0xb0 netfn 0x3a cmd 0xf0: Message sent to host
[31946.421552574,6] BT: seq 0xb0 netfn 0x3a cmd 0xf0: IPMI MSG done
[31946.421584942,6] BT: seq 0xb1 netfn 0x3a cmd 0xf0: Message sent to host
[31946.423041681,6] BT: seq 0xb1 netfn 0x3a cmd 0xf0: IPMI MSG done
[31946.423072096,6] BT: seq 0xb2 netfn 0x3a cmd 0xf0: Message sent to host
[31946.424480113,6] BT: seq 0xb2 netfn 0x3a cmd 0xf0: IPMI MSG done
[31946.424509831,6] BT: seq 0xb3 netfn 0x3a cmd 0xf0: Message sent to host
[31946.426006268,6] BT: seq 0xb3 netfn 0x3a cmd 0xf0: IPMI MSG done
[31946.426034679,6] BT: seq 0xb4 netfn 0x3a cmd 0xf0: Message sent to host
[31946.428463899,6] BT: seq 0xb4 netfn 0x3a cmd 0xf0: IPMI MSG done
[31946.428495254,6] BT: seq 0xb5 netfn 0x3a cmd 0xf0: Message sent to host
[31946.429949794,6] BT: seq 0xb5 netfn 0x3a cmd 0xf0: IPMI MSG done
[31946.429981386,6] BT: seq 0xb6 netfn 0x3a cmd 0xf0: Message sent to host
[31946.431513964,6] BT: seq 0xb6 netfn 0x3a cmd 0xf0: IPMI MSG done
[31946.431545787,6] BT: seq 0xb7 netfn 0x3a cmd 0xf0: Message sent to host
[31946.433036571,6] BT: seq 0xb7 netfn 0x3a cmd 0xf0: IPMI MSG done
[31946.433065436,6] BT: seq 0xb8 netfn 0x3a cmd 0xf0: Message sent to host
[31946.434426528,6] BT: seq 0xb8 netfn 0x3a cmd 0xf0: IPMI MSG done
[31946.434455843,6] BT: seq 0xb9 netfn 0x3a cmd 0xf0: Message sent to host
[31946.435795994,6] BT: seq 0xb9 netfn 0x3a cmd 0xf0: IPMI MSG done
[31946.435824487,6] BT: seq 0xba netfn 0x3a cmd 0xf0: Message sent to host
[31946.444459548,0] Assert fail: core/mem_region.c:444:lock_held_by_me(&region->free_list_lock)
[31946.446518258,6] BT: seq 0xba netfn 0x3a cmd 0xf0: IPMI MSG done
[31946.446529111,6] BT: seq 0xbb netfn 0x0a cmd 0x44: Message sent to host
[31946.453263442,6] BT: seq 0xbb netfn 0x0a cmd 0x44: IPMI MSG done
[31946.453265877,6] IPMI: SEL: New event logged [ID : 6d6]
[31946.485958379,0] Assert fail: core/mem_region.c:444:lock_held_by_me(&region->free_list_lock)
[31947.082142653,3]   core/lock.c:216
[31947.084267836,3]   core/lock.c:216
92] NMI backtrace for cpu 0
[31751.576100] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.15.0-15-generic #16-Ubuntu
[31751.576103] NIP:  c000000000154074 LR: c000000000161228 CTR: c000000000161da0
[31751.576106] REGS: c000000007ffbd80 TRAP: 0100   Not tainted  (4.15.0-15-generic)
[31751.576108] MSR:  9000000000089033 <SF,HV,EE,ME,IR,DR,RI,LE>  CR: 28000282  XER: 00000000
[31751.576120] CFAR: c00000000015405c SOFTE: 0
[31751.576120] GPR00: c000000000161228 c0000000016e7520 c0000000016eb400 c000000ffabe8600
[31751.576120] GPR04: c000000fc3c1cd00 0000000000000273 0000000000000000 0000000000100000
[31751.576120] GPR08: 000000000027de53 0000000000000000 c000000ffabe8580 c000000fc3c1cd30
[31751.576120] GPR12: 0000000000000000 c000000007a20000 0000000000000000 0000000000000000
[31751.576120] GPR16: 0000000000000000 0000000000000100 0000000000000001 0000000000000010
[31751.576120] GPR20: c000000001712208 0000000000200102 0000000000000000 0000000ff9a10000
[31751.576120] GPR24: c0000000011d8580 c00000000171dd78 00001ce0bd69cfd2 0000000000000000
[31751.576120] GPR28: 0000000000000009 0000000000000000 c000000fc3c1cd00 c000000ffabe8600
[31751.576173] NIP [c000000000154074] account_entity_enqueue+0x54/0x100
[31751.576180] LR [c000000000161228] enqueue_entity+0x218/0xd90
[31751.576181] Call Trace:
[31751.576184] [c0000000016e7520] [c0000000001610b0] enqueue_entity+0xa0/0xd90 (unreliable)
[31751.576188] [c0000000016e75d0] [c000000000161e50] enqueue_task_fair+0xb0/0x7c0
[31751.576193] [c0000000016e76a0] [c00000000014bb98] activate_task+0x88/0x130
[31751.576196] [c0000000016e7720] [c00000000014c130] ttwu_do_activate+0x70/0xd0
[31751.576200] [c0000000016e7760] [c00000000014d600] try_to_wake_up+0x230/0x660
[31751.576213] [c0000000016e77e0] [c00000000052f814] commit_timeout+0x24/0x40
[31751.576224] [c0000000016e7800] [c0000000001b46b0] call_timer_fn+0x50/0x1c0
[31751.576228] [c0000000016e7880] [c0000000001b4958] expire_timers+0x138/0x1f0
[31751.576232] [c0000000016e78f0] [c0000000001b4b18] run_timer_softirq+0x108/0x270
[31751.576245] [c0000000016e7990] [c000000000d0d6c8] __do_softirq+0x158/0x3e4
[31751.576252] [c0000000016e7a70] [c000000000114be8] irq_exit+0xe8/0x120
[31751.576265] [c0000000016e7a90] [c000000000024d0c] timer_interrupt+0x9c/0xe0
[31751.576274] [c0000000016e7ac0] [c000000000009014] decrementer_common+0x114/0x120
[31751.576284] --- interrupt: 901 at replay_interrupt_return+0x0/0x4
[31751.576284]     LR = arch_local_irq_restore+0x74/0x90
[31751.576295] [c0000000016e7db0] [c00000000161d2d0] powernv_idle_driver+0x18/0x3e8 (unreliable)
[31751.576305] [c0000000016e7dd0] [c000000000acf0b0] cpuidle_enter_state+0xf0/0x450
[31751.576311] [c0000000016e7e30] [c00000000017239c] call_cpuidle+0x4c/0x90
[31751.576316] [c0000000016e7e50] [c0000000001727b0] do_idle+0x2b0/0x330
[31751.576323] [c0000000016e7ea0] [c000000000172a6c] cpu_startup_entry+0x3c/0x50
[31751.576327] [c0000000016e7ed0] [c00000000000d390] rest_init+0xe0/0x100
[31751.576335] [c0000000016e7f00] [c0000000010b4160] start_kernel+0x5a0/0x5c0
[31751.576339] [c0000000016e7f90] [c00000000000ab7c] start_here_common+0x1c/0x520
[31751.576341] Instruction dump:
[31751.576345] f9230000 e9240150 2fa90000 419e00b0 e9240160 2fa90000 419e0014 81230018
[31751.576354] 39290001 91230018 4e800020 39640030 <81240968> e94301b0 3d820003 398c2978
[31751.577090]  rport-3:0-2: blocked FC remote port time out: removing rport
[31751.586142] Sending NMI from CPU 104 to CPUs 1:
[31751.586257] NMI backtrace for cpu 1
[31751.586260] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.15.0-15-generic #16-Ubuntu
[31751.586262] NIP:  c0000000000a40b4 LR: c0000000000a40b4 CTR: c000000000008000
[31751.586264] REGS: c000000ff91bbc40 TRAP: 0100   Not tainted  (4.15.0-15-generic)
[31751.586265] MSR:  9000000000001033 <SF,HV,ME,IR,DR,RI,LE>  CR: 24004482  XER: 00000000
[31751.586270] CFAR: c000000ff91bbda0 SOFTE: -4611685949823549440
[31751.586270] GPR00: c0000000000a40b4 c000000ff91bbda0 c0000000016eb400 c000000ff91bbc40
[31751.586270] GPR04: b000000000cpu 0x79: Vector: 700 (Program Check) at [c000200e5831b450]
    pc: c00000000038ba38: kmem_cache_free+0xc8/0x2b0
    lr: c0000000002dfd4c: mempool_free_slab+0x2c/0x40
    sp: c000200e5831b6d0
   msr: 9000000000029033
  current = 0xc000200e58205c00
  paca    = 0xc000000007a73300   softe: 0        irq_happened: 0x01
    pid   = 0, comm = swapper/121
kernel BUG at /build/linux-QzAGR9/linux-4.15.0/mm/slub.c:296!
Linux version 4.15.0-15-generic (buildd@bos02-ppc64el-002) (gcc version 7.3.0 (Ubuntu 7.3.0-14ubuntu1)) #16-Ubuntu SMP Wed Apr 4 13:57:51 UTC 2018 (Ubuntu 4.15.0-15.16-generic 4.15.15)
cpu 0x9: Vector: 100 (System Reset) at [c000000007f39d80]
    pc: c0000000000ed874: kvmppc_got_guest+0x1cc/0x380
    lr: c0000000000ed7f0: kvmppc_got_guest+0x148/0x380
    sp: c00000042754f4d0
   msr: 9000000102883003
  current = 0xc0000003a3e87300
  paca    = 0xc000000007a26300   softe: 0        irq_happened: 0x01
    pid   = 33539, comm = CPU 3/KVM
Linux version 4.15.0-15-generic (buildd@bos02-ppc64el-002) (gcc version 7.3.0 (Ubuntu 7.3.0-14ubuntu1)) #16-Ubuntu SMP Wed Apr 4 13:57:51 UTC 2018 (Ubuntu 4.15.0-15.16-generic 4.15.15)
cpu 0x22: Vector: 100 (System Reset) at [c000000007e0dd80]
    pc: c0000000000eddb8: mc_cont+0x38/0x13c
    lr: c0000000000ee5b0: hcall_try_real_mode+0x60/0x7c
    sp: c0000004275374d0
   msr: 9000000000081033
  current = 0xc0000003a3eb8100
  paca    = 0xc000000007a37600   softe: 0        irq_happened: 0x01
    pid   = 33540, comm = CPU 4/KVM
Linux version 4.15.0-15-generic (buildd@bos02-ppc64el-002) (gcc version 7.3.0 (Ubuntu 7.3.0-14ubuntu1)) #16-Ubuntu SMP Wed Apr 4 13:57:51 UTC 2018 (Ubuntu 4.15.0-15.16-generic 4.15.15)
cpu 0x31: Vector: 100 (System Reset) at [c000000007d59d80]
    pc: c0000000000ed8a8: kvmppc_got_guest+0x200/0x380
    lr: c0000000000ed7f0: kvmppc_got_guest+0x148/0x380
    sp: c00000048c9c34d0
   msr: 9000000102883003
  current = 0xc000000429a12b00
  paca    = 0xc000000007a41b00   softe: 0        irq_happened: 0x01
    pid   = 33549, comm = CPU 13/KVM
Linux version 4.15.0-15-generic (buildd@bos02-ppc64el-002) (gcc version 7.3.0 (Ubuntu 7.3.0-14ubuntu1)) #16-Ubuntu SMP Wed Apr 4 13:57:51 UTC 2018 (Ubuntu 4.15.0-15.16-generic 4.15.15)
enter ? for help
[c000200e5831b750] c0000000002dfd4c mempool_free_slab+0x2c/0x40
[c000200e5831b770] c0000000002dfc2c mempool_free+0x5c/0x110
[c000200e5831b7b0] c00800000ee9f2c0 qla2x00_sp_free+0x78/0xa0 [qla2xxx]
[c000200e5831b7e0] c00800000ee9f200 qla2x00_sp_timeout+0x98/0xe0 [qla2xxx]
[c000200e5831b820] c0000000001b46b0 call_timer_fn+0x50/0x1c0
[c000200e5831b8a0] c0000000001b4958 expire_timers+0x138/0x1f0
[c000200e5831b910] c0000000001b4b18 run_timer_softirq+0x108/0x270
[c000200e5831b9b0] c000000000d0d6c8 __do_softirq+0x158/0x3e4
[c000200e5831ba90] c000000000114be8 irq_exit+0xe8/0x120
[c000200e5831bab0] c000000000024d0c timer_interrupt+0x9c/0xe0
[c000200e5831bae0] c000000000009014 decrementer_common+0x114/0x120
--- Exception: 901 (Decrementer) at c00000000000a724 replay_interrupt_return+0x0/0x4
[link register   ] c000000000016e74 arch_local_irq_restore+0x74/0x90
[c000200e5831bdd0] 0000000000000079 (unreliable)
[c000200e5831bdf0] c000000000acf0b0 cpuidle_enter_state+0xf0/0x450
[c000200e5831be50] c00000000017239c call_cpuidle+0x4c/0x90
[c000200e5831be70] c0000000001727b0 do_idle+0x2b0/0x330
[c000200e5831bec0] c000000000172a68 cpu_startup_entry+0x38/0x50
[c000200e5831bef0] c000000000049db0 start_secondary+0x4f0/0x510
[c000200e5831bf90] c00000000000aa6c start_secondary_prolog+0x10/0x14
79:mon>