Two more freezes today. In one of them there were no errors in Xorg.log, but there were kern.log and syslog entries complaining about the CPU locking up, possibly systemd related:
Jun 2 16:07:03 ot08 kernel: [ 1707.978976] Code: d2 e8 7d aa 2f 00 3b 05 3b 25 e3 00 89 c1 0f 8d 99 fe ff ff 48 98 49 8b 55 00 48 03 14 c5 80 42 f3 81 8b 42 18 a8 01 74 ca f3 90 <8b> 42 18 a8 01 75 f7 eb bf 0f b6 4d d0 4c 89 fa 4c 89 f6 44 89 Jun 2 16:07:31 ot08 kernel: [ 1735.976083] NMI watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [systemd-timesyn:481] Jun 2 16:07:31 ot08 kernel: [ 1735.976084] Modules linked in: pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) bnep snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp i915_bpo kvm_intel kvm intel_ips irqbypass crct10dif_pclmul crc32_pclmul aesni_intel joydev input_leds aes_x86_64 lrw gf128mul glue_helper snd_hda_intel ablk_helper cryptd snd_hda_codec snd_hda_core snd_hwdep snd_seq_midi serio_raw snd_pcm snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device mei_me snd_timer mei snd soundcore hci_uart btbcm btqca btintel bluetooth 8250_fintek shpchp intel_lpss_acpi tpm_infineon intel_lpss mac_hid acpi_pad acpi_als binfmt_misc kfifo_buf industrialio parport_pc ppdev lp parport autofs4 uas usb_storage hid_generic hid_microsoft usbhid nouveau mxm_wmi i2c_algo_bit ttm drm_kms_helper e1000e syscopyarea sysfillrect psmouse sysimgblt ptp fb_sys_fops pps_core ahci drm libahci wmi video i2c_hid pinctrl_sunrisep oint pinctrl_intel hid fjes Jun 2 16:07:31 ot08 kernel: [ 1735.976123] CPU: 3 PID: 481 Comm: systemd-timesyn Tainted: G OEL 4.4.0-22-generic #40-Ubuntu Jun 2 16:07:31 ot08 kernel: [ 1735.976124] Hardware name: Gigabyte Technology Co., Ltd. Z170-D3H/Z170-D3H-CF, BIOS F2 07/24/2015 Jun 2 16:07:31 ot08 kernel: [ 1735.976125] task: ffff880fb4942c40 ti: ffff880fb8c10000 task.ti: ffff880fb8c10000 Jun 2 16:07:31 ot08 kernel: [ 1735.976125] RIP: 0010:[<ffffffff81103e08>] [<ffffffff81103e08>] smp_call_function_many+0x1f8/0x260 Jun 2 16:07:31 ot08 kernel: [ 1735.976128] RSP: 0018:ffff880fb8c13d20 EFLAGS: 00000202 Jun 2 16:07:31 ot08 kernel: [ 1735.976129] RAX: 0000000000000003 RBX: 0000000000000100 RCX: 0000000000000002 Jun 2 16:07:31 ot08 kernel: [ 1735.976129] RDX: ffff880fffc9add8 RSI: 0000000000000100 RDI: ffff880fffcd7c88 Jun 2 16:07:31 ot08 kernel: [ 1735.976130] RBP: ffff880fb8c13d58 R08: 0000000000000000 R09: 00000000000000f7 Jun 2 16:07:31 ot08 kernel: [ 1735.976131] R10: 0000000000000004 R11: ffff880fffcd7c88 R12: ffff880fffcd7c88 Jun 2 16:07:31 ot08 kernel: [ 1735.976131] R13: ffff880fffcd7c80 R14: ffffffff81035d10 R15: 0000000000000000 Jun 2 16:07:31 ot08 kernel: [ 1735.976132] FS: 00007f8fb4c19780(0000) GS:ffff880fffcc0000(0000) knlGS:0000000000000000 Jun 2 16:07:31 ot08 kernel: [ 1735.976133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jun 2 16:07:31 ot08 kernel: [ 1735.976133] CR2: 00007fa0f7fa0000 CR3: 0000000fb31b1000 CR4: 00000000003406e0 Jun 2 16:07:31 ot08 kernel: [ 1735.976134] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Jun 2 16:07:31 ot08 kernel: [ 1735.976135] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Jun 2 16:07:31 ot08 kernel: [ 1735.976135] Stack: Jun 2 16:07:31 ot08 kernel: [ 1735.976136] 0000000000017c40 01ff880f00000001 ffffffff8171d4d7 ffffffff81035d10 Jun 2 16:07:31 ot08 kernel: [ 1735.976137] 0000000000000000 ffffffff8171d4d8 0000000000000001 ffff880fb8c13d80 Jun 2 16:07:31 ot08 kernel: [ 1735.976138] ffffffff81103f4d ffffffff8171d4d7 0000000000000005 ffff880fb8c13dd3 Jun 2 16:07:31 ot08 kernel: [ 1735.976139] Call Trace: Jun 2 16:07:31 ot08 kernel: [ 1735.976154] [<ffffffff8171d4d7>] ? dev_hard_start_xmit+0x137/0x3d0 Jun 2 16:07:31 ot08 kernel: [ 1735.976155] [<ffffffff81035d10>] ? arch_unregister_cpu+0x30/0x30 Jun 2 16:07:31 ot08 kernel: [ 1735.976156] [<ffffffff8171d4d8>] ? dev_hard_start_xmit+0x138/0x3d0 Jun 2 16:07:31 ot08 kernel: [ 1735.976158] [<ffffffff81103f4d>] on_each_cpu+0x2d/0x60 Jun 2 16:07:31 ot08 kernel: [ 1735.976159] [<ffffffff8171d4d7>] ? dev_hard_start_xmit+0x137/0x3d0 Jun 2 16:07:31 ot08 kernel: [ 1735.976160] [<ffffffff81036d0a>] text_poke_bp+0x6a/0xf0 Jun 2 16:07:31 ot08 kernel: [ 1735.976161] [<ffffffff8171d4d7>] ? dev_hard_start_xmit+0x137/0x3d0 Jun 2 16:07:31 ot08 kernel: [ 1735.976162] [<ffffffff810339fb>] arch_jump_label_transform+0x9b/0x120 Jun 2 16:07:31 ot08 kernel: [ 1735.976177] [<ffffffff8118ad6c>] __jump_label_update+0x6c/0x80 Jun 2 16:07:31 ot08 kernel: [ 1735.976178] [<ffffffff8118ae08>] jump_label_update+0x88/0x90 Jun 2 16:07:31 ot08 kernel: [ 1735.976179] [<ffffffff8118b014>] static_key_slow_inc+0x94/0xa0 Jun 2 16:07:31 ot08 kernel: [ 1735.976181] [<ffffffff81715c0b>] net_enable_timestamp+0x3b/0x40 Jun 2 16:07:31 ot08 kernel: [ 1735.976182] [<ffffffff81704d86>] sock_enable_timestamp+0x36/0x40 Jun 2 16:07:31 ot08 kernel: [ 1735.976183] [<ffffffff817050f6>] sock_setsockopt+0x366/0x810 Jun 2 16:07:31 ot08 kernel: [ 1735.976185] [<ffffffff813838b2>] ? apparmor_socket_setsockopt+0x22/0x30 Jun 2 16:07:31 ot08 kernel: [ 1735.976186] [<ffffffff816ffe2d>] SyS_setsockopt+0xcd/0xe0 Jun 2 16:07:31 ot08 kernel: [ 1735.976188] [<ffffffff818252f2>] entry_SYSCALL_64_fastpath+0x16/0x71 Jun 2 16:07:31 ot08 kernel: [ 1735.976188] Code: d2 e8 7d aa 2f 00 3b 05 3b 25 e3 00 89 c1 0f 8d 99 fe ff ff 48 98 49 8b 55 00 48 03 14 c5 80 42 f3 81 8b 42 18 a8 01 74 ca f3 90 <8b> 42 18 a8 01 75 f7 eb bf 0f b6 4d d0 4c 89 fa 4c 89 f6 44 89 Jun 2 16:07:59 ot08 kernel: [ 1763.973283] NMI watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [systemd-timesyn:481] In the latest one there were also problems in Xorg.log: (EE) [mi] EQ overflowing. Additional events will be discarded until existing events are processed. (EE) (EE) Backtrace: (EE) 0: /usr/lib/xorg/Xorg (xorg_backtrace+0x4e) [0x55cf0f4d35ce] (EE) 1: /usr/lib/xorg/Xorg (mieqEnqueue+0x253) [0x55cf0f4b5083] (EE) 2: /usr/lib/xorg/Xorg (QueuePointerEvents+0x52) [0x55cf0f38d662] (EE) 3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7fdbc59a0000+0x61f3) [0x7fdbc59a61f3] (EE) 4: /usr/lib/xorg/modules/input/evdev_drv.so (0x7fdbc59a0000+0x6a5d) [0x7fdbc59a6a5d] (EE) 5: /usr/lib/xorg/Xorg (0x55cf0f321000+0x94228) [0x55cf0f3b5228] (EE) 6: /usr/lib/xorg/Xorg (0x55cf0f321000+0xb96f2) [0x55cf0f3da6f2] (EE) 7: /lib/x86_64-linux-gnu/libc.so.6 (0x7fdbcee33000+0x354a0) [0x7fdbcee684a0] (EE) 8: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x5) [0x7fdbcef2f685] (EE) 9: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmIoctl+0x28) [0x7fdbd02150f8] (EE) 10: /usr/lib/x86_64-linux-gnu/libdrm.so.2 (drmCommandWrite+0x1b) [0x7fdbd0217dbb] (EE) 11: /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2 (nouveau_bo_wait+0xbc) [0x7fdbcaf5e03c] (EE) 12: /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2 (nouveau_pushbuf_space+0xd6) [0x7fdbcaf5f486] (EE) 13: /usr/lib/xorg/modules/drivers/nouveau_drv.so (0x7fdbcb163000+0x24ca1) [0x7fdbcb187ca1] (EE) 14: /usr/lib/xorg/modules/libexa.so (0x7fdbcad43000+0xd9a5) [0x7fdbcad509a5] (EE) 15: /usr/lib/xorg/modules/libexa.so (0x7fdbcad43000+0xe31e) [0x7fdbcad5131e] (EE) 16: /usr/lib/xorg/modules/libexa.so (0x7fdbcad43000+0xc4b5) [0x7fdbcad4f4b5] (EE) 17: /usr/lib/xorg/Xorg (0x55cf0f321000+0x13a746) [0x55cf0f45b746] (EE) 18: /usr/lib/xorg/Xorg (0x55cf0f321000+0x130153) [0x55cf0f451153] (EE) 19: /usr/lib/xorg/Xorg (0x55cf0f321000+0x53bbf) [0x55cf0f374bbf] (EE) 20: /usr/lib/xorg/Xorg (0x55cf0f321000+0x57c33) [0x55cf0f378c33] (EE) 21: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf0) [0x7fdbcee53830] (EE) 22: /usr/lib/xorg/Xorg (_start+0x29) [0x55cf0f362f59] (EE) (EE) [mi] These backtraces from mieqEnqueue may point to a culprit higher up the stack. (EE) [mi] mieq is *NOT* the cause. It is a victim. (EE) [mi] EQ overflow continuing. 100 events have been dropped. (EE) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1587730 Title: graphic system freezes after a while, can still ssh into machine To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1587730/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp