------- Comment From grom...@br.ibm.com 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 ]--- -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1739498 Title: Ubuntu 17.10 crashes on vmalloc.c Status in The Ubuntu-power-systems project: Triaged Status in linux package in Ubuntu: Triaged Bug description: == Comment: #0 - Breno Leitao - 2017-12-19 09:48:10 == When running Ubuntu 17.10 on POWER9, I got the following error: [409038.118908] WARNING: CPU: 47 PID: 294 at /build/linux-LIHoWc/linux-4.13.0/mm/vmalloc.c:2527 pcpu_get_vm_areas+0x62c/0x660 [409038.118909] Modules linked in: 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 kvm_hv kvm at24 ofpart ipmi_powernv ipmi_devintf ipmi_msghandler cmdlinepart powernv_flash uio_pdrv_genirq uio mtd vmx_crypto ibmpowernv crct10dif_vpmsum opal_prd binfmt_misc ip_tables x_tables autofs4 crc32c_vpmsum ast i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm tg3 ahci libahci [409038.118933] CPU: 47 PID: 294 Comm: kworker/47:0 Tainted: G W 4.13.0-12-generic #13-Ubuntu [409038.118934] Workqueue: events pcpu_balance_workfn [409038.118936] task: c000003fe3cdcc00 task.stack: c000003fe3be0000 [409038.118937] NIP: c00000000032c1fc LR: c0000000002f5fd4 CTR: 0000000000000000 [409038.118937] REGS: c000003fe3be3810 TRAP: 0700 Tainted: G W (4.13.0-12-generic) [409038.118938] MSR: 900000000282b033 <SF,HV,VEC,VSX,EE,FP,ME,IR,DR,RI,LE> [409038.118944] CR: 24024828 XER: 20040000 [409038.118944] CFAR: c00000000032bdb8 SOFTE: 1 GPR00: 000020000df00000 c000003fe3be3a90 c0000000015e3000 c000203fff6b6880 GPR04: c000203fff223608 0000000000000008 c000203fff6b6888 0000000000000000 GPR08: 000020000df00000 0000080000000000 0000000001600000 c000203fff6b6888 GPR12: 0000000000000002 c00000000faded80 c000000000f6c050 c000003fe3be3bc0 GPR16: 0000000000100000 0000000000000000 c00000000189daf8 c000203fff223608 GPR20: 000020000f500000 c000203fff2235f8 c000203fff223600 0000000000000000 GPR24: 0000000000000000 c000203fff6b6888 0000000000000001 000020000f500000 GPR28: 0000000000000002 00000000000fffff d000080000000000 d000000000000000 [409038.118963] NIP [c00000000032c1fc] pcpu_get_vm_areas+0x62c/0x660 [409038.118964] LR [c0000000002f5fd4] pcpu_create_chunk+0xb4/0x1b0 [409038.118965] Call Trace: [409038.118966] [c000003fe3be3a90] [c000003fe3be3ad0] 0xc000003fe3be3ad0 (unreliable) [409038.118968] [c000003fe3be3b60] [c0000000002f5fd4] pcpu_create_chunk+0xb4/0x1b0 [409038.118970] [c000003fe3be3ba0] [c0000000002f7890] pcpu_balance_workfn+0x600/0x960 [409038.118972] [c000003fe3be3ca0] [c0000000001205d8] process_one_work+0x298/0x5a0 [409038.118975] [c000003fe3be3d30] [c000000000120968] worker_thread+0x88/0x620 [409038.118977] [c000003fe3be3dc0] [c00000000012980c] kthread+0x1ac/0x1c0 [409038.118979] [c000003fe3be3e30] [c00000000000b4e8] ret_from_kernel_thread+0x5c/0x74 [409038.118980] Instruction dump: [409038.118981] eae30000 4191fad0 7ed3b378 e9210030 7efbbb78 7c791b78 3b400000 e9530000 ---uname output--- 4.13.0-12-generic == Comment: #3 - ANEESH K. K V - 2017-12-20 05:59:13 == https://lkml.kernel.org/r/1501583364-14909-1-git-send-email-...@ellerman.id.au The above may be related? Related discussions https://lkml.kernel.org/r/20170724134240.gl25...@dhcp22.suse.cz -aneesh == Comment: #4 - Breno Leitao - 2017-12-20 09:48:07 == I just tested with kernel 4.15.0-041500rc4 and I didn't see a problem so far. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1739498/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
