I just triggered a kernel oops with 4.13.0-17, but the system remains responsive afterwards:
[ 18.645733] random: crng init done [ 76.860979] BUG: unable to handle kernel paging request at ffffea15932d2020 [ 76.861025] IP: kfree+0x53/0x160 [ 76.861039] PGD 0 [ 76.861040] P4D 0 [ 76.861064] Oops: 0000 [#1] SMP [ 76.861079] Modules linked in: rfcomm cmac bnep intel_spi_platform intel_spi binfmt_misc spi_nor mtd joydev intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp applesmc input_polldev snd_hda_codec_hdmi kvm_intel kvm irqbypass crct10dif_pclmul snd_hda_codec_cirrus snd_hda_codec_generic crc32_pclmul ghash_clmulni_intel pcbc aesni_intel snd_hda_intel snd_hda_codec aes_x86_64 snd_hda_core snd_hwdep crypto_simd glue_helper cryptd snd_pcm wl(POE) intel_cstate intel_rapl_perf snd_seq_midi btusb snd_seq_midi_event btrtl btbcm snd_rawmidi btintel lpc_ich bluetooth ecdh_generic input_leds bcm5974 snd_seq thunderbolt mei_me cfg80211 snd_seq_device snd_timer snd bdc_pci mei soundcore shpchp sbs sbshc acpi_als kfifo_buf industrialio apple_bl mac_hid parport_pc ppdev lp parport ip_tables x_tables autofs4 [ 76.861393] btrfs xor raid6_pq hid_generic hid_apple usbhid hid i915 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci libahci drm uas usb_storage video [ 76.861439] CPU: 1 PID: 774 Comm: cupsd Tainted: P OE 4.13.0-17-generic #20-Ubuntu [ 76.861458] Hardware name: Apple Inc. MacBookPro11,1/Mac-189A3D4F975D5FFC, BIOS MBP111.88Z.0138.B17.1602221718 02/22/2016 [ 76.861482] task: ffff913f11d81740 task.stack: ffffaaf8421b0000 [ 76.861497] RIP: 0010:kfree+0x53/0x160 [ 76.861506] RSP: 0018:ffffaaf8421b3d30 EFLAGS: 00010286 [ 76.861518] RAX: 0000000000000000 RBX: 000320bf8b480000 RCX: 0000000000000006 [ 76.861535] RDX: 000039b910a03550 RSI: 0000000000010080 RDI: 00006ec4c0000000 [ 76.861551] RBP: ffffaaf8421b3d48 R08: 000000000001f4c0 R09: ffffffffad9bb839 [ 76.861567] R10: ffffea15932d2000 R11: 0000000001000000 R12: ffff913f1aad0000 [ 76.861583] R13: ffffffffad5a155e R14: 0000000000000000 R15: ffff913f1c3719c0 [ 76.861599] FS: 00007f8b186b0040(0000) GS:ffff913f2f280000(0000) knlGS:0000000000000000 [ 76.861618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.861631] CR2: ffffea15932d2020 CR3: 000000045b33e000 CR4: 00000000001406e0 [ 76.861647] Call Trace: [ 76.861658] security_sk_free+0x3e/0x50 [ 76.861669] __sk_destruct+0x108/0x190 [ 76.861679] sk_destruct+0x20/0x30 [ 76.861689] __sk_free+0x82/0xa0 [ 76.861697] sk_free+0x19/0x20 [ 76.861707] tcp_close+0x232/0x3f0 [ 76.861717] inet_release+0x3c/0x60 [ 76.861728] inet6_release+0x30/0x40 [ 76.861737] sock_release+0x1f/0x80 [ 76.861746] sock_close+0x12/0x20 [ 76.861756] __fput+0xe7/0x220 [ 76.861764] ____fput+0xe/0x10 [ 76.861774] task_work_run+0x76/0x90 [ 76.861785] exit_to_usermode_loop+0xc4/0xd0 [ 76.861796] syscall_return_slowpath+0x59/0x60 [ 76.861809] entry_SYSCALL_64_fastpath+0xa7/0xa9 [ 76.861820] RIP: 0033:0x7f8b16efedb4 [ 76.861829] RSP: 002b:00007ffc07e597a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 76.861846] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8b16efedb4 [ 76.861862] RDX: 0000000000000000 RSI: 0000000000000014 RDI: 0000000000000014 [ 76.861878] RBP: 00007f8b16cb1359 R08: 00007f8b16cb1359 R09: 00007f8b16ee8a20 [ 76.861894] R10: 00007ffc07e597bc R11: 0000000000000246 R12: 000055bfbfd1bfbf [ 76.861911] R13: 000055bfbfd1fc00 R14: 0000000000000001 R15: 0000000000000000 [ 76.861927] Code: 00 80 49 01 da 0f 82 1c 01 00 00 48 c7 c7 00 00 00 80 48 2b 3d 7f e6 c1 00 49 01 fa 49 c1 ea 0c 49 c1 e2 06 4c 03 15 5d e6 c1 00 <49> 8b 42 20 48 8d 50 ff a8 01 4c 0f 45 d2 49 8b 52 20 48 8d 42 [ 76.861985] RIP: kfree+0x53/0x160 RSP: ffffaaf8421b3d30 [ 76.861997] CR2: ffffea15932d2020 [ 76.873108] ---[ end trace 80bc47cf4e3ff0f7 ]--- [ 125.424582] SGI XFS with ACLs, security attributes, realtime, no debug enabled -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1731031 Title: Kernel Oops with 17.10 Status in linux package in Ubuntu: In Progress Status in linux source package in Artful: In Progress Bug description: have captured dmesg just before oops ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: xorg 1:7.7+19ubuntu3 ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4 Uname: Linux 4.13.0-16-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.20.7-0ubuntu3.1 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: None CurrentDesktop: KDE Date: Wed Nov 8 20:41:14 2017 DistUpgraded: 2017-11-07 01:49:14,657 DEBUG icon theme changed, re-reading DistroCodename: artful DistroVariant: kubuntu DkmsStatus: bcmwl, 6.30.223.271+bdcom, 4.10.0-38-generic, x86_64: installed bcmwl, 6.30.223.271+bdcom, 4.13.0-16-generic, x86_64: installed GraphicsCard: Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a2e] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Apple Inc. Haswell-ULT Integrated Graphics Controller [106b:011a] LightdmGreeterLogOld: ** (lightdm-gtk-greeter:1762): WARNING **: Failed to load user image: Failed to open file '/home/hmeyer/.face': No such file or directory MachineType: Apple Inc. MacBookPro11,1 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-16-generic root=UUID=fbc61d79-8b51-4801-8e2b-175ff6daa14f ro quiet splash apparmor=0 vt.handoff=7 SourcePackage: xorg Symptom: display UpgradeStatus: Upgraded to artful on 2017-11-07 (1 days ago) dmi.bios.date: 02/22/2016 dmi.bios.vendor: Apple Inc. dmi.bios.version: MBP111.88Z.0138.B17.1602221718 dmi.board.asset.tag: Base Board Asset Tag# dmi.board.name: Mac-189A3D4F975D5FFC dmi.board.vendor: Apple Inc. dmi.board.version: MacBookPro11,1 dmi.chassis.type: 10 dmi.chassis.vendor: Apple Inc. dmi.chassis.version: Mac-189A3D4F975D5FFC dmi.modalias: dmi:bvnAppleInc.:bvrMBP111.88Z.0138.B17.1602221718:bd02/22/2016:svnAppleInc.:pnMacBookPro11,1:pvr1.0:rvnAppleInc.:rnMac-189A3D4F975D5FFC:rvrMacBookPro11,1:cvnAppleInc.:ct10:cvrMac-189A3D4F975D5FFC: dmi.product.family: Mac dmi.product.name: MacBookPro11,1 dmi.product.version: 1.0 dmi.sys.vendor: Apple Inc. version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.83-1 version.libgl1-mesa-dri: libgl1-mesa-dri 17.2.2-0ubuntu1 version.libgl1-mesa-glx: libgl1-mesa-glx 17.2.2-0ubuntu1 version.xserver-xorg-core: xserver-xorg-core 2:1.19.5-0ubuntu2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.10.0-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20170309-0ubuntu1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2 xserver.bootTime: Wed Nov 8 20:39:06 2017 xserver.configfile: default xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.19.5-0ubuntu2 xserver.video_driver: modeset To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1731031/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
