Xorg crashed after 13 days 20 hours and 28 minutes of running. The root cause is unknown to me; I can only trace it back to gnome-session-binary running out of file descriptors and crashing on a SIGSEGV which cascades until a nouveau driver message about receiving a signal occurs.
I don't know if it's relevant or not that I was running for about a day with "gconf2:amd64 3.2.6-3ubuntu6" installed and it required a reboot which I had not yet done. Start of crash: Oct 30 22:15:33 lakshmi gnome-session[6021]: gnome-session-binary[6021]: WARNING: Failed to receive system inhibitor fd: dup: Too many open files Oct 30 22:15:33 lakshmi gnome-session-binary[6021]: WARNING: Failed to receive system inhibitor fd: dup: Too many open files Repeats over 6004 times (systemd-journald suppressed excess messages): $ fgrep -c 'lakshmi gnome-session-binary[6021]: WARNING: Failed to receive system inhibitor fd: dup: Too many open files' gui-out-of-filedesc-crash 6004 After that: Oct 30 22:17:20 lakshmi gnome-session[6021]: gnome-session-binary[6021]: WARNING: Failed to receive system inhibitor fd: dup: Too many open files Oct 30 22:17:20 lakshmi gnome-session-binary[6021]: WARNING: Failed to receive system inhibitor fd: dup: Too many open files Oct 30 22:17:30 lakshmi gnome-session-binary[6021]: GLib-GIO-CRITICAL: g_unix_fd_list_get: assertion 'G_IS_UNIX_FD_LIST (list)' failed Oct 30 22:17:30 lakshmi kernel: gnome-session-b[6021]: segfault at 8 ip 000000000041e931 sp 00007ffc731d92e0 error 4 in gnome-session-binary[400 000+43000] Oct 30 22:18:02 lakshmi kernel: gdbus[6030]: segfault at 8 ip 00007f3e970ecc9d sp 00007f3e87ffe900 error 6 in libglib-2.0.so.0.4800.2[7f3e970860 00+10f000] Oct 30 22:18:03 lakshmi gnome-session[6021]: ICE default IO error handler doing an exit(), pid = 6312, errno = 11 ... skip ahead ... appears the driver received a signal, the number of the signal is not clear to me ... by then lightdm had logged me out Oct 30 22:18:15 lakshmi lightdm[5646]: pam_unix(lightdm:session): session closed for user mc Oct 30 22:18:15 lakshmi lightdm[5646]: pam_kwallet(lightdm:session): pam_kwallet: pam_sm_close_session Oct 30 22:18:15 lakshmi lightdm[5646]: pam_kwallet5(lightdm:session): pam_kwallet5: pam_sm_close_session Oct 30 22:18:15 lakshmi lightdm[5646]: pam_kwallet(lightdm:setcred): pam_kwallet: pam_sm_setcred Oct 30 22:18:15 lakshmi lightdm[5646]: pam_kwallet5(lightdm:setcred): pam_kwallet5: pam_sm_setcred Oct 30 22:18:15 lakshmi pulseaudio[18405]: [pulseaudio] server-lookup.c: Unable to contact D-Bus: org.freedesktop.DBus.Error.NoServer: Failed to connect to socket /tmp/dbus-2MCP3ISjlb: Connection refused Oct 30 22:18:15 lakshmi pulseaudio[18405]: [pulseaudio] main.c: Unable to contact D-Bus: org.freedesktop.DBus.Error.NoServer: Failed to connect to socket /tmp/dbus-2MCP3ISjlb: Connection refused Oct 30 22:18:16 lakshmi pulseaudio[18405]: [pulseaudio] backend-ofono.c: Failed to register as a handsfree audio agent with ofono: org.freedesktop.DBus.Error.ServiceUnknown: The name org.ofono was not provided by any .service files Oct 30 22:18:17 lakshmi kernel: ------------[ cut here ]------------ Oct 30 22:18:17 lakshmi kernel: WARNING: CPU: 4 PID: 5590 at /build/linux-hwe-IJy1zi/linux-hwe-4.10.0/drivers/gpu/drm/nouveau/nouveau_bo.c:137 nouveau_bo_del_ttm+0x7f/0x90 [nouveau] Oct 30 22:18:17 lakshmi kernel: Modules linked in: isofs cfg80211 ufs qnx4 hfsplus hfs minix ntfs msdos jfs snd_seq_dummy uas usb_storage vhost_net vhost macvtap macvlan xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables x_tables bnep nfnetlink_queue nfnetlink_log nfnetlink bluetooth bridge stp llc binfmt_misc snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device edac_mce_amd joydev input_leds edac_core kvm_amd snd_timer kvm snd soundcore irqbypass shpchp asus_atk0110 k10temp Oct 30 22:18:17 lakshmi kernel: serio_raw i2c_piix4 mac_hid parport_pc ppdev lp parport autofs4 xfs btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid0 multipath linear raid1 pata_acpi hid_generic nouveau mxm_wmi usbhid video hid i2c_algo_bit ttm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops e1000e firewire_ohci r8169 firewire_core psmouse ahci ptp mii crc_itu_t pata_atiixp libahci pata_jmicron drm pps_core fjes wmi Oct 30 22:18:17 lakshmi kernel: CPU: 4 PID: 5590 Comm: Xorg Tainted: G W 4.10.0-37-generic #41~16.04.1-Ubuntu Oct 30 22:18:17 lakshmi kernel: Hardware name: System manufacturer System Product Name/M4A89GTD-PRO/USB3, BIOS 3029 07/05/2012 Oct 30 22:18:17 lakshmi kernel: Call Trace: Oct 30 22:18:17 lakshmi kernel: dump_stack+0x63/0x90 Oct 30 22:18:17 lakshmi kernel: __warn+0xcb/0xf0 Oct 30 22:18:17 lakshmi kernel: warn_slowpath_null+0x1d/0x20 Oct 30 22:18:17 lakshmi kernel: nouveau_bo_del_ttm+0x7f/0x90 [nouveau] Oct 30 22:18:17 lakshmi kernel: ttm_bo_release_list+0xb5/0x170 [ttm] Oct 30 22:18:17 lakshmi kernel: ttm_bo_release+0x1ae/0x240 [ttm] Oct 30 22:18:17 lakshmi kernel: ttm_bo_unref+0x24/0x30 [ttm] Oct 30 22:18:17 lakshmi kernel: nouveau_gem_object_del+0x9a/0xf0 [nouveau] Oct 30 22:18:17 lakshmi kernel: drm_gem_object_free+0x29/0x70 [drm] Oct 30 22:18:17 lakshmi kernel: drm_gem_object_unreference_unlocked+0x3a/0xa0 [drm] Oct 30 22:18:17 lakshmi kernel: drm_gem_object_handle_unreference_unlocked+0x65/0xb0 [drm] Oct 30 22:18:17 lakshmi kernel: drm_gem_object_release_handle+0x53/0x90 [drm] Oct 30 22:18:17 lakshmi kernel: idr_for_each+0xac/0x110 Oct 30 22:18:17 lakshmi kernel: ? drm_gem_object_handle_unreference_unlocked+0xb0/0xb0 [drm] Oct 30 22:18:17 lakshmi kernel: ? drm_fb_release+0x116/0x140 [drm] Oct 30 22:18:17 lakshmi kernel: drm_gem_release+0x20/0x30 [drm] Oct 30 22:18:17 lakshmi kernel: drm_release+0x30b/0x360 [drm] Oct 30 22:18:17 lakshmi kernel: __fput+0xe7/0x220 Oct 30 22:18:17 lakshmi kernel: ____fput+0xe/0x10 Oct 30 22:18:17 lakshmi kernel: task_work_run+0x7e/0xa0 Oct 30 22:18:17 lakshmi kernel: do_exit+0x2c8/0xb40 Oct 30 22:18:17 lakshmi kernel: do_group_exit+0x43/0xb0 Oct 30 22:18:17 lakshmi kernel: get_signal+0x293/0x620 Oct 30 22:18:17 lakshmi kernel: ? __send_signal+0x1cd/0x450 Oct 30 22:18:17 lakshmi kernel: do_signal+0x37/0x750 Oct 30 22:18:17 lakshmi kernel: ? do_send_sig_info+0x6c/0xa0 Oct 30 22:18:17 lakshmi kernel: exit_to_usermode_loop+0x76/0xb0 Oct 30 22:18:17 lakshmi kernel: syscall_return_slowpath+0x59/0x60 Oct 30 22:18:17 lakshmi kernel: entry_SYSCALL_64_fastpath+0xab/0xad Oct 30 22:18:17 lakshmi kernel: RIP: 0033:0x7f1168717428 Oct 30 22:18:17 lakshmi kernel: RSP: 002b:00007ffe63b84f68 EFLAGS: 00000202 ORIG_RAX: 00000000000000ea Oct 30 22:18:17 lakshmi kernel: RAX: 0000000000000000 RBX: 00007f116ae51000 RCX: 00007f1168717428 Oct 30 22:18:17 lakshmi kernel: RDX: 0000000000000006 RSI: 00000000000015d6 RDI: 00000000000015d6 Oct 30 22:18:17 lakshmi kernel: RBP: 00007f11641e3033 R08: 000055dd946dc700 R09: fefefefefeff0900 Oct 30 22:18:17 lakshmi kernel: R10: 0000000000000008 R11: 0000000000000202 R12: 000000000000007a Oct 30 22:18:17 lakshmi kernel: R13: 00007f11641e3940 R14: 000055dd8e0eb588 R15: 000055dd8e0d0bf8 Oct 30 22:18:17 lakshmi kernel: ---[ end trace 29b018f16aa77aab ]--- -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/1723758 Title: Xorg X11 nouveau video driver for NVIDIA graphics chipsets locks up (hangs) Status in Nouveau Xorg driver: Confirmed Status in xserver-xorg-video-nouveau package in Ubuntu: Confirmed Status in Fedora: Confirmed Bug description: This is an intermittent issue. Rumored to be fixed in Ubuntu 17.04 according to comments in bug 1645375 Oct 15 11:36:26 lakshmi kernel: nouveau 0000:01:00.0: timeout at /build/linux- Pcn0xK/linux-4.4.0/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chang84.c:111/g84_fifo_chan_engine_fini()! ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: xserver-xorg-video-nouveau 1:1.0.12-1build2 ProcVersionSignature: Ubuntu 4.4.0-97.120-generic 4.4.87 Uname: Linux 4.4.0-97-generic x86_64 .tmp.unity_support_test.0: .tmp.unity_support_test.1: ApportVersion: 2.20.1-0ubuntu2.10 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true Date: Sun Oct 15 12:27:28 2017 DistUpgraded: Fresh install DistroCodename: xenial DistroVariant: ubuntu DkmsStatus: iscsitarget, 1.4.20.3+svn502, 4.4.0-96-generic, x86_64: installed iscsitarget, 1.4.20.3+svn502, 4.4.0-97-generic, x86_64: installed ExtraDebuggingInterest: Yes, including running git bisection searches GraphicsCard: NVIDIA Corporation GT218 [GeForce 210] [10de:0a65] (rev a2) (prog-if 00 [VGA controller]) Subsystem: Micro-Star International Co., Ltd. [MSI] GT218 [GeForce 210] [1462:2011] InstallationDate: Installed on 2016-01-13 (641 days ago) InstallationMedia: Ubuntu-Server 15.10 "Wily Werewolf" - Release amd64 (20151021) MachineType: System manufacturer System Product Name ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-97-generic root=/dev/mapper/vg0-lv0 ro SourcePackage: xserver-xorg-video-nouveau UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/05/2012 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 3029 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: M4A89GTD-PRO/USB3 dmi.board.vendor: ASUSTeK Computer INC. dmi.board.version: Rev 1.xx dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr3029:bd07/05/2012:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM4A89GTD-PRO/USB3:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer version.compiz: compiz 1:0.9.12.2+16.04.20160823-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.76-1~ubuntu16.04.1 version.libgl1-mesa-dri: libgl1-mesa-dri 17.0.7-0ubuntu0.16.04.2 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 17.0.7-0ubuntu0.16.04.2 version.xserver-xorg-core: xserver-xorg-core 2:1.18.4-0ubuntu0.6 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1.2 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2 xserver.bootTime: Thu Oct 12 15:08:58 2017 xserver.configfile: default xserver.devices: input Power Button KEYBOARD, id 6 input Power Button KEYBOARD, id 7 input Microsoft Comfort Curve Keyboard 2000 KEYBOARD, id 8 input Microsoft Comfort Curve Keyboard 2000 KEYBOARD, id 9 input Microsoft Comfort Optical Mouse 1000 MOUSE, id 10 xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.18.4-0ubuntu0.6 xserver.video_driver: nouveau To manage notifications about this bug go to: https://bugs.launchpad.net/nouveau/+bug/1723758/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp