Valamit sikerült az Ubuntunál elkernelpatchelni, mert a 4.10.0-20-generic magas load esetén hajlamos gyakran core-t dobni. A mainline nem érintett, úgyhogy valamelyik Ubuntu patch okozza a hibát.
Apr 27 19:46:38 alderaan kernel: [41630.576399] ------------[ cut here ]------------
Apr 27 19:46:38 alderaan kernel: [41630.576439] kernel BUG at /build/linux-2NWldV/linux-4.10.0/include/linux/swapops.h:129!
Apr 27 19:46:38 alderaan kernel: [41630.576485] invalid opcode: 0000 [#1] SMP
Apr 27 19:46:38 alderaan kernel: [41630.576509] Modules linked in: ccm ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat libcrc32c nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter vmw_vsock_vmci_transport vsock vmw_vmci bnep snd_hda_codec_hdmi intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd intel_cstate intel_rapl_perf input_leds joydev arc4 serio_raw uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core videodev media iwlmvm btusb btrtl mac80211 btbcm btintel bluetooth rtsx_pci_ms memstick iwlwifi cfg80211 intel_pch_thermal lpc_ich snd_hda_codec_conexant snd_hda_codec_generic thinkpad_acpi snd_hda_intel nvram snd_hda_codec snd_hda_core
Apr 27 19:46:38 alderaan kernel: [41630.576916] snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer mac_hid snd mei_me shpchp soundcore mei binfmt_misc parport_pc ppdev lp parport ip_tables x_tables autofs4 mmc_block btrfs xor raid6_pq hid_generic usbhid hid rtsx_pci_sdmmc psmouse rtsx_pci ahci libahci i915 fjes video i2c_algo_bit e1000e drm_kms_helper syscopyarea ptp sysfillrect pps_core sysimgblt fb_sys_fops drm wmi
Apr 27 19:46:38 alderaan kernel: [41630.577140] CPU: 0 PID: 8175 Comm: JS Helper Not tainted 4.10.0-20-generic #22-Ubuntu
Apr 27 19:46:38 alderaan kernel: [41630.577184] Hardware name: LENOVO 20DC0079HV/20DC0079HV, BIOS J5ET55WW (1.26 ) 09/12/2016
Apr 27 19:46:38 alderaan kernel: [41630.577231] task: ffff901b462d1680 task.stack: ffffb3d943500000
Apr 27 19:46:38 alderaan kernel: [41630.577268] RIP: 0010:__migration_entry_wait+0x16a/0x180
Apr 27 19:46:38 alderaan kernel: [41630.577298] RSP: 0000:ffffb3d943503d68 EFLAGS: 00010246
Apr 27 19:46:38 alderaan kernel: [41630.577329] RAX: 0017ffffc0048078 RBX: ffffe6598d2d7a30 RCX: ffffe6598d2d7a30
Apr 27 19:46:38 alderaan kernel: [41630.577369] RDX: 0000000000000001 RSI: ffff901b4b5e8800 RDI: ffffe6598886c000
Apr 27 19:46:38 alderaan kernel: [41630.577409] RBP: ffffb3d943503d80 R08: ffff901b443b45c0 R09: ffff901b443b45c0
Apr 27 19:46:38 alderaan kernel: [41630.577449] R10: 00007f63d2a000c8 R11: 0000000000000206 R12: ffffe6598886c000
Apr 27 19:46:38 alderaan kernel: [41630.577489] R13: 3e00000000221b00 R14: ffffb3d943503e30 R15: ffff901ae5615320
Apr 27 19:46:38 alderaan kernel: [41630.577531] FS: 00007f63b73fc700(0000) GS:ffff901b5ec00000(0000) knlGS:0000000000000000
Apr 27 19:46:38 alderaan kernel: [41630.577576] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Apr 27 19:46:38 alderaan kernel: [41630.577609] CR2: 00007f63ae500018 CR3: 00000002e56c0000 CR4: 00000000003406f0
Apr 27 19:46:38 alderaan kernel: [41630.577649] Call Trace:
Apr 27 19:46:38 alderaan kernel: [41630.577666] migration_entry_wait+0x74/0x80
Apr 27 19:46:38 alderaan kernel: [41630.577693] do_swap_page+0x5b3/0x770
Apr 27 19:46:38 alderaan kernel: [41630.577716] handle_mm_fault+0x873/0x1360
Apr 27 19:46:38 alderaan kernel: [41630.577742] __do_page_fault+0x23e/0x4e0
Apr 27 19:46:38 alderaan kernel: [41630.577767] do_page_fault+0x22/0x30
Apr 27 19:46:38 alderaan kernel: [41630.577790] page_fault+0x28/0x30
Apr 27 19:46:38 alderaan kernel: [41630.577811] RIP: 0033:0x559694d872b4
Apr 27 19:46:38 alderaan kernel: [41630.577832] RSP: 002b:00007f63b73fbc40 EFLAGS: 00010207
Apr 27 19:46:38 alderaan kernel: [41630.577862] RAX: 0000000000000000 RBX: 00007f63d2a00040 RCX: 00007f63d2cb4137
Apr 27 19:46:38 alderaan kernel: [41630.577903] RDX: 0000000000000008 RSI: 0000000000002000 RDI: 00007f63ae55b000
Apr 27 19:46:38 alderaan kernel: [41630.577943] RBP: 00007f63ae500000 R08: 00007f63d2a000c8 R09: 0000000000000000
Apr 27 19:46:38 alderaan kernel: [41630.577984] R10: 00007f63d2a000c8 R11: 0000000000000206 R12: 0000000000000080
Apr 27 19:46:38 alderaan kernel: [41630.578024] R13: 00007f63d2a000c8 R14: 000000000000005a R15: 0000000000000002
Apr 27 19:46:38 alderaan kernel: [41630.578064] Code: ff ff ff 4c 89 e7 e8 96 a2 f8 ff e9 3c ff ff ff 85 d2 0f 84 2a ff ff ff 8d 4a 01 89 d0 f0 41 0f b1 4d 00 39 d0 74 81 89 c2 eb e5 <0f> 0b 4c 89 e7 e8 0c fb f9 ff eb b8 4c 8d 60 ff 4c 8d 68 1b eb
Apr 27 19:46:38 alderaan kernel: [41630.578199] RIP: __migration_entry_wait+0x16a/0x180 RSP: ffffb3d943503d68
Apr 27 19:46:38 alderaan kernel: [41630.591950] ---[ end trace 042d599a8d3ba5c2 ]---
A probléma ismert: kernel BUG at /build/linux-7LGLH_/linux-4.10.0/include/linux/swapops.h:129
A javításig kerülőmegoldás: Ubuntu mainline kernelcsomagok, vagy korábbi kernelbuild (4.10.0-8-generic) csomagok használata
