Trusty is affected. Tested the kernel 4.4.0-108.131~14.04.1 with these platforms and their pre-installed images: - CID 201603-21231 (Dell Latitude E5414) - And many platforms
[Kernel Message] Jan 8 23:00:15 201603-21231 kernel: [ 24.201794] ------------[ cut here ]------------ Jan 8 23:00:15 201603-21231 kernel: [ 24.201814] kernel BUG at /build/linux-lts-xenial-5Z_8Kc/linux-lts-xenial-4.4.0/mm/slub.c:3627! Jan 8 23:00:15 201603-21231 kernel: [ 24.201840] invalid opcode: 0000 [#1] SMP Jan 8 23:00:15 201603-21231 kernel: [ 24.201855] Modules linked in: nvram msr bnep rfcomm snd_soc_skl snd_hda_codec_hdmi snd_soc_skl_ipc intel_rapl snd_hda_ext_core snd_soc_sst_ipc dell_led x86_pkg_temp_thermal intel_powerclamp snd_soc_sst_dsp snd_soc_core coretemp snd_compress cdc_mbim cdc_wdm qcserial ac97_bus cdc_ncm usb_wwan snd_hda_codec_realtek snd_hda_codec_generic kvm_intel usbnet usbserial btusb snd_pcm_dmaengine mii dw_dmac_core btrtl kvm snd_hda_intel snd_hda_codec irqbypass snd_hda_core dell_laptop dcdbas snd_hwdep crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 snd_pcm lrw hci_uart gf128mul btbcm(OE) dell_smm_hwmon brcmfmac(OE) snd_seq_midi snd_seq_midi_event btqca btintel dell_wmi snd_rawmidi glue_helper bluetooth ablk_helper snd_seq cryptd brcmutil(OE) dm_multipath cfg80211(OE) acpi_als kfifo_buf i2c_hid snd_seq_device mei_me joydev input_leds snd_timer compat(OE) ppdev serio_raw parport_pc lp parport industrialio snd hid mei intel_vbtn dell_smo8800 shpchp 8250_fintek soc_button_array sparse_keymap acpi_pad tpm_crb pinctrl_sunrisepoint pinctrl_intel mac_hid intel_lpss_acpi intel_lpss soundcore dell_rbtn(OE) btrfs xor raid6_pq dm_mirror dm_region_hash dm_log uas usb_storage i915_bpo intel_ips i2c_algo_bit drm_kms_helper syscopyarea sysfillrect e1000e sysimgblt fb_sys_fops psmouse ptp drm pps_core ahci libahci wmi video fjes Jan 8 23:00:15 201603-21231 kernel: [ 24.202296] CPU: 3 PID: 21 Comm: watchdog/3 Tainted: G OE 4.4.0-108-generic #131~14.04.1-Ubuntu Jan 8 23:00:15 201603-21231 kernel: [ 24.202326] Hardware name: Dell Inc. Latitude 5414/0992HR, BIOS 1.0.0 05/04/2016 Jan 8 23:00:15 201603-21231 kernel: [ 24.202349] task: ffff8801485f6900 ti: ffff880148200000 task.ti: ffff880148200000 Jan 8 23:00:15 201603-21231 kernel: [ 24.202372] RIP: 0010:[<ffffffff811e217a>] [<ffffffff811e217a>] kfree+0x14a/0x150 Jan 8 23:00:15 201603-21231 kernel: [ 24.202398] RSP: 0018:ffff880148203d60 EFLAGS: 00010246 Jan 8 23:00:15 201603-21231 kernel: [ 24.202415] RAX: ffffea0005370120 RBX: ffff88014dc04840 RCX: ffffea0005204820 Jan 8 23:00:15 201603-21231 kernel: [ 24.202436] RDX: 000077ff80000000 RSI: ffffea0005204000 RDI: ffff88014dc04840 Jan 8 23:00:15 201603-21231 kernel: [ 24.202457] RBP: ffff880148203d78 R08: 0000160000000000 R09: ffffea0005204000 Jan 8 23:00:15 201603-21231 kernel: [ 24.202478] R10: 0000000000000001 R11: ffffea0005370100 R12: 0000000000000000 Jan 8 23:00:15 201603-21231 kernel: [ 24.202499] R13: ffffffff8100eb19 R14: 0000000000000003 R15: 0000000000000000 Jan 8 23:00:15 201603-21231 kernel: [ 24.202521] FS: 0000000000000000(0000) GS:ffff88014dd80000(0000) knlGS:0000000000000000 Jan 8 23:00:15 201603-21231 kernel: [ 24.202545] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jan 8 23:00:15 201603-21231 kernel: [ 24.202562] CR2: 00007f6fb630b0d0 CR3: 0000000002e0c000 CR4: 0000000000360670 Jan 8 23:00:15 201603-21231 kernel: [ 24.202584] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Jan 8 23:00:15 201603-21231 kernel: [ 24.202606] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Jan 8 23:00:15 201603-21231 kernel: [ 24.202627] Stack: Jan 8 23:00:15 201603-21231 kernel: [ 24.202634] 0000000000000000 0000000000000000 ffffffff81f3ed00 ffff880148203d88 Jan 8 23:00:15 201603-21231 kernel: [ 24.202658] ffffffff8100eb19 ffff880148203db0 ffffffff8100f9e3 0000000000000004 Jan 8 23:00:15 201603-21231 kernel: [ 24.202683] 0000000000000186 0000000000000003 ffff880148203dd0 ffffffff81005cef Jan 8 23:00:15 201603-21231 kernel: [ 24.202707] Call Trace: Jan 8 23:00:15 201603-21231 kernel: [ 24.202718] [<ffffffff8100eb19>] release_ds_buffer+0x39/0x40 Jan 8 23:00:15 201603-21231 kernel: [ 24.202736] [<ffffffff8100f9e3>] release_ds_buffers+0x73/0xb0 Jan 8 23:00:15 201603-21231 kernel: [ 24.202756] [<ffffffff81005cef>] x86_release_hardware+0x8f/0xa0 Jan 8 23:00:15 201603-21231 kernel: [ 24.202780] [<ffffffff81005d0e>] hw_perf_event_destroy+0xe/0x20 Jan 8 23:00:15 201603-21231 kernel: [ 24.202800] [<ffffffff81179594>] _free_event+0xb4/0x230 Jan 8 23:00:15 201603-21231 kernel: [ 24.202817] [<ffffffff811797d9>] put_event+0xc9/0x100 Jan 8 23:00:15 201603-21231 kernel: [ 24.202839] [<ffffffff81179819>] perf_event_release_kernel+0x9/0x10 Jan 8 23:00:15 201603-21231 kernel: [ 24.202865] [<ffffffff811348ce>] watchdog_nmi_disable+0x4e/0x70 Jan 8 23:00:15 201603-21231 kernel: [ 24.202886] [<ffffffff810a0d60>] ? sort_range+0x30/0x30 Jan 8 23:00:15 201603-21231 kernel: [ 24.202903] [<ffffffff8113493d>] watchdog_disable+0x4d/0x60 Jan 8 23:00:15 201603-21231 kernel: [ 24.202921] [<ffffffff810a0e52>] smpboot_thread_fn+0xf2/0x170 Jan 8 23:00:15 201603-21231 kernel: [ 24.202940] [<ffffffff8109d936>] kthread+0xd6/0xf0 Jan 8 23:00:15 201603-21231 kernel: [ 24.202956] [<ffffffff8109d860>] ? kthread_park+0x60/0x60 Jan 8 23:00:15 201603-21231 kernel: [ 24.202974] [<ffffffff818107cf>] ret_from_fork+0x3f/0x70 Jan 8 23:00:15 201603-21231 kernel: [ 24.202991] [<ffffffff8109d860>] ? kthread_park+0x60/0x60 Jan 8 23:00:15 201603-21231 kernel: [ 24.203007] Code: 8b 03 31 f6 f6 c4 40 74 04 41 8b 73 6c 4c 89 df e8 cc c3 fa ff e9 73 ff ff ff 4c 8d 58 ff e9 20 ff ff ff 49 8b 43 20 a8 01 75 d4 <0f> 0b 0f 1f 40 00 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 Jan 8 23:00:15 201603-21231 kernel: [ 24.204034] RIP [<ffffffff811e217a>] kfree+0x14a/0x150 Jan 8 23:00:15 201603-21231 kernel: [ 24.204985] RSP <ffff880148203d60> Jan 8 23:00:15 201603-21231 kernel: [ 24.209973] ---[ end trace 8503461eea4dc42f ]--- Jan 8 23:00:15 201603-21231 polkitd[1281]: started daemon version 0.105 using authority implementation `local' version `0.105' Jan 8 23:00:15 201603-21231 dbus[857]: [system] Successfully activated service 'org.freedesktop.PolicyKit1' Jan 8 23:00:15 201603-21231 NetworkManager[1272]: SCPlugin-Ifupdown: init! Jan 8 23:00:15 201603-21231 NetworkManager[1272]: SCPlugin-Ifupdown: update_system_hostname ubuntu@201603-21231:~$ uname -a Linux 201603-21231 4.4.0-108-generic #131~14.04.1-Ubuntu SMP Sun Jan 7 15:54:10 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux ubuntu@201603-21231:~$ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1741934 Title: Kernel panic with xenial 4.4 stack (4.4.0-108.131, Candidate kernels for PTI fix) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1741934/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
