** Tags removed: targetmilestone-inin--- ** Tags added: targetmilestone-inin1804
-- 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/1747563 Title: Ubuntu18.04[P9, Boston]: while booting system with disable_radix as kernel boot parameter continuous cpu warn on seen in console Status in The Ubuntu-power-systems project: Fix Committed Status in linux package in Ubuntu: Fix Committed Status in linux source package in Bionic: Fix Committed Bug description: == Comment: #0 - Praveen K. Pandey <praveen.pan...@in.ibm.com> - 2018-01-16 02:38:52 == Problem Description : while booting Power9 Boston as ubuntu18.04 system with disable_radix as kernel boot parameter continuous cpu warn on seen in console Steps to reproduce: 1- install P9 system with ubuntu 18.04 2- boot system with disable_radix as kernel boot parameter LOG: 0 [ 47.953357] [c000000febc3be30] [c00000000000b4e8] ret_from_kernel_thread+0x5c/0x74 [ 47.953358] Instruction dump: [ 47.953358] eae30000 4191fad0 7ed3b378 e9210030 7efbbb78 7c791b78 3b400000 e9530000 [ 47.953360] 7d3f4850 7f7b5214 7fa9d840 409cfbc4 <0fe00000> 3ae00000 4bfffcd4 7c0004ac [ 47.953363] ---[ end trace 69b8c2ab7570cdbf ]--- [ 47.953561] ------------[ cut here ]------------ [ 47.953562] WARNING: CPU: 23 PID: 995 at /build/linux-268tGw/linux-4.13.0/mm/vmalloc.c:2521 pcpu_get_vm_areas+0x62c/0x660 [ 47.953563] Modules linked in: hid_generic crc32c_vpmsum ast i2c_algo_bit ttm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm usbhid hid aac raid i40e(+) [ 47.953567] CPU: 23 PID: 995 Comm: kworker/23:1 Tainted: G W 4.13.0-25-generic #29-Ubuntu [ 47.953569] Workqueue: events pcpu_balance_workfn [ 47.953570] task: c000000febb97000 task.stack: c000000febc38000 [ 47.953570] NIP: c00000000032fedc LR: c0000000002f9c54 CTR: 0000000000000000 [ 47.953571] REGS: c000000febc3b800 TRAP: 0700 Tainted: G W (4.13.0-25-generic) [ 47.953571] MSR: 9000000002029033 <SF,HV,VEC,EE,ME,IR,DR,RI,LE> [ 47.953574] CR: 24024828 XER: 20040000 [ 47.953574] CFAR: c00000000032fa98 SOFTE: 1 [ 47.953574] GPR00: 0000200001e00000 c000000febc3ba80 c0000000015f6200 c000200fff6da480 [ 47.953574] GPR04: c000200fff356c08 0000000000000008 c000200fff6da488 0000000000000000 [ 47.953574] GPR08: 0000200001e00000 0000080000000000 0000000001400000 c000200fff6da488 [ 47.953574] GPR12: 0000000000000002 c00000000facf180 c000000000f7dbe0 c000000febc3bbb0 [ 47.953574] GPR16: 0000000000100000 0000000000000000 c0000000018adff8 c000200fff356c08 [ 47.953574] GPR20: 0000200003200000 c000200fff356bf8 c000200fff356c00 0000000000000000 [ 47.953574] GPR24: 0000000000000000 c000200fff6da488 0000000000000001 0000200003200000 [ 47.953574] GPR28: 0000000000000002 00000000000fffff d000080000000000 d000000000000000 [ [ 47.960515] GPR00: 0000200001e00000 c000000febc5ba80 c0000000015f6200 c000200fff6da480 [ 47.960515] GPR04: c000200fff356c08 0000000000000008 c000200fff6da488 0000000000000000 [ 47.960515] GPR08: 0000200001e00000 0000080000000000 0000000001400000 c000200fff6da488 [ 47.960515] GPR12: 0000000000000002 c00000000facdc80 c000000000f7dbe0 c000000febc5bbb0 [ 47.960515] GPR16: 0000000000100000 0000000000000000 c0000000018adff8 c000200fff356c08 [ 47.960515] GPR20: 0000200003200000 c000200fff356bf8 c000200fff356c00 0000000000000000 [ 47.960515] GPR24: 0000000000000000 c000200fff6da488 0000000000000001 0000200003200000 [ 47.960515] GPR28: 0000000000000002 00000000000fffff d000080000000000 d000000000000000 [ 47.960527] NIP [c00000000032fedc] pcpu_get_vm_areas+0x62c/0x660 [ 47.960528] LR [c0000000002f9c54] pcpu_create_chunk+0xb4/0x1b0 [ 47.960528] Call Trace: [ 47.960529] [c000000febc5ba80] [c000000febc5bac0] 0xc000000febc5bac0 (unreliable) [ 47.960531] [c000000febc5bb50] [c0000000002f9c54] pcpu_create_chunk+0xb4/0x1b0 [ 47.960532] [c000000febc5bb90] [c0000000002fb510] pcpu_balance_workfn+0x600/0x960 [ 47.960534] [c000000febc5bc90] [c000000000124018] process_one_work+0x298/0x5a0 [ 47.960536] [c000000febc5bd20] [c0000000001243a8] worker_thread+0x88/0x620 [ 47.960537] [c000000febc5bdc0] [c00000000012d21c] kthread+0x1ac/0x1c0 [ 47.960539] [c000000febc5be30] [c00000000000b4e8] ret_from_kernel_thread+0x5c/0x74 [ 47.960539] Instruction dump: [ 47.960540] eae30000 4191fad0 7ed3b378 e9210030 7efbbb78 7c791b78 3b400000 e9530000 [ 47.960542] 7d3f4850 7f7b5214 7fa9d840 409cfbc4 <0fe00000> 3ae00000 4bfffcd4 7c0004ac [ 47.960545] ---[ end trace 69b8c2ab7570ce02 ]--- [ 47.960554] ------------[ cut here ]------------ [ 47.960556] WARNING: CPU: 21 PID: 994 at /build/linux-268tGw/linux-4.13.0/mm/vmalloc.c:2521 pcpu_get_vm_areas+0x62c/0x660 [ 47.960556] Modules linked in: hid_generic crc32c_vpmsum ast i2c_algo_bit ttm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm usbhid hid aacraid i40e(+) [ 47.960561] CPU: 21 PID: 994 Comm: kworker/21:1 Tainted: G W 4.13.0-25-generic #29-Ubuntu [ 47.960562] Workqueue: events pcpu_balance_workfn [ 47.960563] task: c000000febba1100 task.stack: c000000febc58000 [ 47.960564] NIP: c00000000032fedc LR: c0000000002f9c54 CTR: 0000000000000000 [ 47.960564] REGS: c000000febc5b800 TRAP: 0700 Tainted: G W (4.13.0-25-generic) [ 47.960565] MSR: 9000000002029033 <SF,HV,VEC,EE,ME,IR,DR,RI,LE> [ 47.960567] CR: 24024828 XER: 20040000 [ 47.960568] CFAR: c00000000032fa98 SOFTE: 1 [ 4 Regards Praveen == Comment: #4 - Praveen K. Pandey <praveen.pan...@in.ibm.com> - 2018-01-19 00:30:56 == == Comment: #6 - SRIKAR DRONAMRAJU <srikar.dronamr...@in.ibm.com> - 2018-01-29 04:42:31 == The above commits should fix the problem. Please request Ubuntu to pick these commits. commit 21a0e8c14bf61472723d2acc83f98ab35ff321b4 Author: Michael Ellerman <email address hidden> Date: Tue Aug 1 20:29:24 2017 +1000 powerpc/mm/hash64: Make vmalloc 56T on hash commit b5048de04b32104140e5b251005404c3e0d03ccd Author: Michael Ellerman <email address hidden> Date: Tue Aug 1 20:29:23 2017 +1000 powerpc/mm/slb: Move comment next to the code it's referring to commit 63ee9b2ff9d306efaa61b04b8710fafe339ae441 Author: Michael Ellerman <email address hidden> Date: Tue Aug 1 20:29:22 2017 +1000 powerpc/mm/book3s64: Make KERN_IO_START a variable To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1747563/+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
