Comment 5 for bug 1739498

------- Comment From <email address hidden> 2018-01-10 11:40 EDT-------
Hi. Just a headsup on the issue. Build -25 still reproduces the issue:

gromero@ltc-wspoon3:~$ uname -a
Linux ltc-wspoon3 4.13.0-25-generic #29-Ubuntu SMP Mon Jan 8 21:15:55 UTC 2018 ppc64le ppc64le ppc64le GNU/Linux

[ 118.751494] ------------[ cut here ]------------
[ 118.751497] WARNING: CPU: 63 PID: 1144 at /build/linux-268tGw/linux-4.13.0/mm/vmalloc.c:2521 pcpu_get_vm_areas+0x62c/0x660
[ 118.751498] Modules linked in: vhost_net vhost tap xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack libcrc32c ipt_REJECT nf_reject_ipv4 xt_tcpudp bridge stp llc ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter idt_89hpesx ofpart cmdlinepart powernv_flash mtd at24 vmx_crypto crct10dif_vpmsum opal_prd ipmi_powernv uio_pdrv_genirq uio binfmt_misc ibmpowernv ipmi_devintf ipmi_msghandler kvm_hv kvm ip_tables x_tables autofs4 crc32c_vpmsum ast i2c_algo_bit ttm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops tg3 drm ahci libahci
[ 118.751529] CPU: 63 PID: 1144 Comm: kworker/63:1 Tainted: G W 4.13.0-25-generic #29-Ubuntu
[ 118.751532] Workqueue: events pcpu_balance_workfn
[ 118.751534] task: c0000000fc358700 task.stack: c0000000fc2b4000
[ 118.751536] NIP: c00000000032fedc LR: c0000000002f9c54 CTR: 0000000000000000
[ 118.751537] REGS: c0000000fc2b7800 TRAP: 0700 Tainted: G W (4.13.0-25-generic)
[ 118.751538] MSR: 900000000282b033 <SF,HV,VEC,VSX,EE,FP,ME,IR,DR,RI,LE>
[ 118.751545] CR: 24024828 XER: 20040000
[ 118.751546] CFAR: c00000000032fa98 SOFTE: 1
GPR00: 000020000df00000 c0000000fc2b7a80 c0000000015f6200 c000203fff21eb00
GPR04: c000203fff21ea88 0000000000000008 c000203fff21eb08 0000000000000000
GPR08: 000020000df00000 0000080000000000 0000000001600000 c000203fff21eb08
GPR12: 0000000000000002 c00000000fae9580 c000000000f7dbe0 c0000000fc2b7bb0
GPR16: 0000000000100000 0000000000000000 c0000000018adff8 c000203fff21ea88
GPR20: 000020000f500000 c000203fff21ea78 c000203fff21ea80 0000000000000000
GPR24: 0000000000000000 c000203fff21eb08 0000000000000001 000020000f500000
GPR28: 0000000000000002 00000000000fffff d000080000000000 d000000000000000
[ 118.751571] NIP [c00000000032fedc] pcpu_get_vm_areas+0x62c/0x660
[ 118.751573] LR [c0000000002f9c54] pcpu_create_chunk+0xb4/0x1b0
[ 118.751574] Call Trace:
[ 118.751575] [c0000000fc2b7a80] [c0000000fc2b7ac0] 0xc0000000fc2b7ac0 (unreliable)
[ 118.751578] [c0000000fc2b7b50] [c0000000002f9c54] pcpu_create_chunk+0xb4/0x1b0
[ 118.751581] [c0000000fc2b7b90] [c0000000002fb510] pcpu_balance_workfn+0x600/0x960
[ 118.751584] [c0000000fc2b7c90] [c000000000124018] process_one_work+0x298/0x5a0
[ 118.751587] [c0000000fc2b7d20] [c0000000001243a8] worker_thread+0x88/0x620
[ 118.751589] [c0000000fc2b7dc0] [c00000000012d21c] kthread+0x1ac/0x1c0
[ 118.751593] [c0000000fc2b7e30] [c00000000000b4e8] ret_from_kernel_thread+0x5c/0x74
[ 118.751594] Instruction dump:
[ 118.751595] eae30000 4191fad0 7ed3b378 e9210030 7efbbb78 7c791b78 3b400000 e9530000
[ 118.751600] 7d3f4850 7f7b5214 7fa9d840 409cfbc4 <0fe00000> 3ae00000 4bfffcd4 7c0004ac
[ 118.751606] ---[ end trace 641bbff1c51b5060 ]---