Another freeze, end of dmesg below. Given that zram keeps being mentioned in the error logs, I've now uninstalled zram-config to see if that helps.
[71288.261364] NMI watchdog: Watchdog detected hard LOCKUP on cpu 0 [71288.261364] Modules linked in: cfg80211 xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype iptable_filter iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack br_netfilter bridge stp llc pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) aufs overlay zram intel_rapl x86_pkg_temp_thermal intel_powerclamp binfmt_misc coretemp kvm_intel nls_iso8859_1 kvm eeepc_wmi asus_wmi irqbypass sparse_keymap wmi_bmof mxm_wmi crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc snd_hda_codec_hdmi aesni_intel aes_x86_64 crypto_simd glue_helper cryptd intel_cstate snd_seq_midi joydev input_leds intel_rapl_perf snd_seq_midi_event snd_rawmidi snd_seq snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec [71288.261372] snd_hda_core snd_hwdep serio_raw snd_pcm snd_seq_device snd_timer snd mei_me mei lpc_ich mac_hid soundcore wmi shpchp ie31200_edac nvidia_uvm(OE) sch_fq_codel sunrpc parport_pc ppdev lp parport ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear uas usb_storage hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) nvidia(POE) psmouse ahci libahci drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops video drm r8169 ipmi_devintf mii ipmi_msghandler [71288.261380] CPU: 0 PID: 9823 Comm: code Tainted: P OE 4.15.0-66-generic #75-Ubuntu [71288.261380] Hardware name: System manufacturer System Product Name/P8Z77-M, BIOS 0906 03/26/2012 [71288.261380] RIP: 0010:zram_slot_free_notify+0x54/0x70 [zram] [71288.261380] RSP: 0000:ffffb0924a1afc60 EFLAGS: 00000006 [71288.261381] RAX: ffffb092427be8f0 RBX: 00000000003438f0 RCX: ffffb092427be8f8 [71288.261381] RDX: 000000000200036b RSI: 000000000003438f RDI: ffff9fce0e1ec340 [71288.261381] RBP: ffffb0924a1afc70 R08: 00000000000001d5 R09: 0000000102000164 [71288.261382] R10: ffffb0924a1afbe0 R11: ffff9fcc16cf5b00 R12: ffff9fce0a9cc600 [71288.261382] R13: ffffffffc1efea80 R14: 000000000003438f R15: 020000000003438f [71288.261382] FS: 00007f1109bc2700(0000) GS:ffff9fce1ec00000(0000) knlGS:0000000000000000 [71288.261382] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [71288.261383] CR2: 00001fa6faba3798 CR3: 0000000049f68004 CR4: 00000000001606f0 [71288.261383] Call Trace: [71288.261383] swap_range_free+0x92/0xe0 [71288.261383] swapcache_free_entries+0x120/0x200 [71288.261384] free_swap_slot+0xd2/0xe0 [71288.261384] swap_free+0x36/0x40 [71288.261384] do_swap_page+0x73b/0x960 [71288.261384] __handle_mm_fault+0x7a3/0x1290 [71288.261384] handle_mm_fault+0xb1/0x210 [71288.261385] __do_page_fault+0x281/0x4b0 [71288.261385] ? SyS_futex+0x13b/0x180 [71288.261385] do_page_fault+0x2e/0xe0 [71288.261385] ? page_fault+0x2f/0x50 [71288.261385] page_fault+0x45/0x50 [71288.261385] RIP: 0033:0x55e07741813d [71288.261386] RSP: 002b:00007f1109bc0930 EFLAGS: 00010202 [71288.261386] RAX: 00000c5058e00000 RBX: 0000050befbee068 RCX: 00000c5058dd5a30 [71288.261386] RDX: 000000000000002b RSI: 000055e0750facc4 RDI: 0000000000000196 [71288.261387] RBP: 00007f1109bc1b10 R08: 0000050befb90300 R09: 00000000000000f0 [71288.261387] R10: 00001fa6faba3799 R11: 00001fa6faba3798 R12: 0000050bf1988d80 [71288.261387] R13: 0000000000005848 R14: 0000050befb90498 R15: 0000050befbee160 [71288.261387] Code: ba 68 08 19 72 1f 4c 89 e7 e8 69 f5 ff ff 49 03 1c 24 f0 80 63 0b fd f0 49 ff 84 24 80 00 00 00 5b 41 5c 5d c3 48 8d 48 08 f3 90 <48> 8b 50 08 f7 c2 00 00 00 02 75 f2 f0 0f ba 29 19 73 c8 eb e9 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1849803 Title: NMI watchdog: Watchdog detected hard LOCKUP on cpu To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1849803/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
