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 ]---
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https://bugs.launchpad.net/bugs/1723758
Title:
Xorg X11 nouveau video driver for NVIDIA graphics chipsets locks up
(hangs)
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