Comment 10 for bug 1777194

------- Comment From <email address hidden> 2018-07-18 14:09 EDT-------
Able to reproduce the issue with the latest proposed kernel on Tuleta machine. Seems the issue is not resolved with the provided patches.

[ 155.121412] Watchdog CPU:65 Hard LOCKUP
[ 155.121416] Modules linked in: rmd256 rmd160 rmd128 vhost_net md4 vhost dccp_ipv4(+) sctp(+) unix_diag algif_hash tap dccp af_alg 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 devlink ip6_tables iptable_filter kvm_hv kvm binfmt_misc dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua uio_pdrv_genirq uio ipmi_powernv ipmi_devintf ipmi_msghandler powernv_rng ibmpowernv vmx_crypto leds_powernv powernv_op_panel crct10dif_vpmsum sch_fq_codel ip_tables x_tables autofs4 ses enclosure scsi_transport_sas btrfs xor zstd_compress raid6_pq uas usb_storage crc32c_vpmsum ipr tg3
[ 155.121531] CPU: 65 PID: 7391 Comm: stress-ng-hrtim Not tainted 4.15.0-29-generic #31-Ubuntu
[ 155.121537] NIP: c000000000d01444 LR: c0000000001269c8 CTR: 0000000000000000
[ 155.121544] REGS: c000000007c97d80 TRAP: 0900 Not tainted (4.15.0-29-generic)
[ 155.121545] MSR: 9000000000009033 <SF,HV,EE,ME,IR,DR,RI,LE> CR: 28000448 XER: 00000000
[ 155.121560] CFAR: c0000000001269c4 SOFTE: 0
GPR00: c0000000001269c8 c000001fe581fc70 c0000000016eaf00 c000001fe57ad408
GPR04: c000001fe581fd30 0000000000000000 0000007cd2603a7c 0000007cd261c940
GPR08: 0000000000000021 0000000000000000 0000000080000041 0000000042000448
GPR12: 0000000000000001 c000000007a4cb00 0000000000000000 0000000000000000
GPR16: 00000000000186a0 00007fffd75e1ef0 0000007cd25c7040 00007fffd75e1ee8
GPR20: 0000007cd25c7048 00007fffd75e21ab ffffffffffffffff 00007fffd75e21aa
GPR24: 0000000000010000 00007896e1ca0000 00007fffd75e1da8 00007fffd75e1ef8
GPR28: 0000000000000000 0000000000040002 c000001fe581fcf0 c000001fe57ad408
[ 155.121625] NIP [c000000000d01444] _raw_spin_lock_irq+0x44/0xe0
[ 155.121631] LR [c0000000001269c8] __set_current_blocked+0x48/0xb0
[ 155.121633] Call Trace:
[ 155.121640] [c000001fe581fca0] [0000007cd25c7048] 0x7cd25c7048
[ 155.121648] [c000001fe581fcd0] [c000000000126ae4] signal_setup_done+0x84/0xe0
[ 155.121657] [c000001fe581fd10] [c00000000001da20] do_signal+0x110/0x2c0
[ 155.121665] [c000001fe581fe00] [c00000000001dd70] do_notify_resume+0xd0/0x100
[ 155.121672] [c000001fe581fe30] [c00000000000b8c4] ret_from_except_lite+0x70/0x74
[ 155.121673] Instruction dump:
[ 155.121677] f821ffd1 7c7f1b78 39400000 892d028b 994d028b 39400000 994d028d 814d0008
[ 155.121692] 7d201829 2c090000 40c20010 7d40192d <40c2fff0> 7c2004ac 2fa90000 409e0010

# uname -a
Linux lep8d 4.15.0-29-generic #31-Ubuntu SMP Tue Jul 17 15:37:15 UTC 2018 ppc64le ppc64le ppc64le GNU/Linux

Thanks,
Harish