Hello Kernel devs, I was just about to open a VM with virt-manager and then kernel locked up CPUs.
Will try -rc4 and see if this got fixed in the churn. Thanks, Shawn Stack below: [33970.295966] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [libvirtd:1043] [33970.295969] Modules linked in: vhost_net vhost tap tun ebtable_filterebtables ip6table_filter ip6_tables bridge stp llc toshiba_acpi industrialio toshiba_haps hp_accel lis3lv02d input_polldev sunrpc intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvmarc4 uvcvideo videobuf2_vmalloc irqbypass iwlmvm snd_usb_audio videobuf2_memops videobuf2_v4l2 crct10dif_pclmul videobuf2_core crc32_pclmul snd_soc_rt5640 ghash_clmulni_intel snd_soc_rl6231 snd_usbmidi_lib videodev snd_hda_codec_realtek intel_cstate snd_rawmidi snd_soc_core snd_compress media iTCO_wdt mei_wdt mac80211 snd_pcm_dmaengine intel_uncore snd_hda_codec_generic ppdev dell_laptop ac97_bus iTCO_vendor_support snd_hda_codec_hdmi dell_wmi snd_hda_intel intel_rapl_perf snd_hda_codec vfat snd_hda_core dell_smbios dcdbas snd_hwdep [33970.295992] sparse_keymap dell_smm_hwmon snd_seq fat snd_seq_device snd_pcm snd_timer iwlwifi joydev cfg80211 pcspkr parport_pc mei_me snd elan_i2c snd_soc_sst_acpi i2c_designware_platform dw_dmac spi_pxa2xx_platform parport video snd_soc_sst_match lpc_ich shpchp mei dell_rbtn rfkill i2c_i801 i2c_designware_core ie31200_edac soundcore 8250_pci tpm_tis tpm_tis_core tpm dell_smo8800 wmi binfmt_misc amdkfd amd_iommu_v2 amdgpu i2c_algo_bit drm_kms_helper ttm drm netconsole sdhci_pci sdhci_acpi sdhci crc32c_intel mmc_core serio_raw i2c_hid e1000e ptp pps_core [33970.296013] CPU: 0 PID: 1043 Comm: libvirtd Not tainted 4.12.0-rc3+ #1 [33970.296014] Hardware name: Dell Inc. Precision M6800/05NG6V, BIOS A19 05/14/2017 [33970.296015] task: ffff96c6f7c8ac80 task.stack: ffffb16c4815c000 [33970.296017] RIP: 0010:smp_call_function_many+0x1c9/0x220 [33970.296018] RSP: 0018:ffffb16c4815fc20 EFLAGS: 00000202 ORIG_RAX:ffffffffffffff10 [33970.296019] RAX: 0000000000000003 RBX: 0000000000000008 RCX:0000000000000007 [33970.296020] RDX: ffff96c72dddcd38 RSI: 0000000000000000 RDI:ffff96c70d021ae0 [33970.296021] RBP: ffffb16c4815fc58 R08: ffffffffffffff80 R09:00000000000000fe [33970.296021] R10: ffffeee51fdd7880 R11: ffff96c70cc02dc8 R12:ffffffffae025b90 [33970.296022] R13: 0000000000000000 R14: ffff96c72dc19dc0 R15:0000000000019d80 [33970.296023] FS: 00007f6a70200700(0000) GS:ffff96c72dc00000(0000) knlGS:0000000000000000 [33970.296024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [33970.296024] CR2: 000055e31fbbcb60 CR3: 00000007f7c30000 CR4:00000000001406b0 [33970.296025] Call Trace: [33970.296029] ? ___slab_alloc+0x34b/0x4e0 [33970.296031] ? setup_data_read+0xa0/0xa0 [33970.296032] ? ___slab_alloc+0x34c/0x4e0 [33970.296033] on_each_cpu+0x28/0x60 [33970.296035] ? ___slab_alloc+0x34b/0x4e0 [33970.296036] text_poke_bp+0x8f/0xe0 [33970.296037] ? ___slab_alloc+0x34b/0x4e0 [33970.296039] arch_jump_label_transform+0x96/0x110 [33970.296041] __jump_label_update+0x72/0x80 [33970.296042] jump_label_update+0x54/0xb0 [33970.296044] static_key_slow_inc+0x86/0x90 [33970.296045] cpuset_css_online+0x62/0x450 [33970.296046] online_css+0x1a/0x60 [33970.296048] cgroup_apply_control_enable+0x212/0x350 [33970.296049] cgroup_mkdir+0x2da/0x310 [33970.296052] kernfs_iop_mkdir+0x55/0x90 [33970.296053] vfs_mkdir+0x10a/0x1b0 [33970.296055] SyS_mkdir+0x75/0xf0 [33970.296057] entry_SYSCALL_64_fastpath+0x1a/0xa5 [33970.296058] RIP: 0033:0x7f6a7eab0947 [33970.296059] RSP: 002b:00007f6a701ff4c8 EFLAGS: 00000202 ORIG_RAX:0000000000000053 [33970.296060] RAX: ffffffffffffffda RBX: 00007f6a44012d20 RCX:00007f6a7eab0947 [33970.296060] RDX: 00007f6a701ff3e0 RSI: 00000000000001ed RDI:00007f6a44012cd0 [33970.296061] RBP: 00007f6a7ed763c0 R08: 00007f6a828ae270 R09:00007f6a828acc25 [33970.296062] R10: 00007f6a44012cd0 R11: 0000000000000202 R12:0000000000000000 [33970.296062] R13: 000000000000000b R14: 00007f6a701ff092 R15:0000000000000000 [33970.296063] Code: ae 55 28 00 3b 05 6c aa ca 00 89 c1 0f 8d bb fe ff ff 48 98 49 8b 16 48 03 14 c5 e0 33 ac ae 8b 42 18 a8 01 74 09 f3 90 8b 42 18 <a8> 01 75 f7 eb be 0f b6 4d d0 4c 89 ea 4c 89 e6 44 89 f7 e8 7f [spstarr@segfault ~]$ Message from syslogd@segfault at Jun 6 12:34:57 ... kernel:[33974.355754] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [chrome:12357] Message from syslogd@segfault at Jun 6 12:35:21 ... kernel:[33998.294502] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [libvirtd:1043] Message from syslogd@segfault at Jun 6 12:35:25 ... kernel:[34002.354290] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [chrome:12357] Message from syslogd@segfault at Jun 6 12:35:53 ... kernel:[34030.292830] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [libvirtd:1043] Message from syslogd@segfault at Jun 6 12:35:53 ... kernel:[34030.352826] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [chrome:12357] [spstarr@segfault ~]$ uname -a Linux segfault.sh0n.net 4.12.0-rc3+ #1 SMP Fri Jun 2 18:48:08 EDT 2017 x86_64 x86_64 x86_64 GNU/Linux [spstarr@segfault ~]$ Message from syslogd@segfault at Jun 6 12:36:21 ... kernel:[34058.291368] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [libvirtd:1043] Message from syslogd@segfault at Jun 6 12:36:21 ... kernel:[34058.351364] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [chrome:12357] Message from syslogd@segfault at Jun 6 12:36:49 ... kernel:[34086.289907] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [libvirtd:1043] Message from syslogd@segfault at Jun 6 12:36:49 ... kernel:[34086.349903] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [chrome:12357]
