Public bug reported:
Ubuntu 16.04 desktop with all updates up to date
Gigagyte GA-Z170 motherboard, Intel i7-6700 3.4gHz, 64GB RAM, Samsung 840 SSD,
Gigabyte GEForce GT710 graphics (nvidia chipset)
Very light load. A few terminal windows, a few Firefox pages,
Thunderbird, and VirtualBox (with the extension pack loaded) running one
small Linux VM with 512Mb memory (very lightly loaded as it's only
running bind9). I think (but don't have perfect certainty on this) that
some of the crashes have happened without VirtualBox running. Also
running rsync so that backuppc on a separate machine can back it up over
the network (backuppc has been a real lifesaver with all the
reinstallations!)
After booting the system runs happily for a while then the GUI freezes.
This can take a few hours or up to a day or two. You can still ssh into
the system, and if you do "top" it typically shows 100% CPU load on
systemd-timesync.
The same happens whether I use nouveau or the proprietary nvidia driver (361)
I have tried a complete reinstallation (4 times already, starting to get quite
frustrating) using the proprietary drivers and NOT using the proprietary
drivers and the same still happens. The most recent time was with nouveau, and
Xorg.log has a number of entries like this:
(EE) [mi] EQ overflowing. Additional events will be discarded until existing
events are processed.
(EE)
(EE) Backtrace:
(EE) 0: /usr/lib/xorg/Xorg (xorg_backtrace+0x4e) [0x5652cde325ce]
(EE) 1: /usr/lib/xorg/Xorg (mieqEnqueue+0x253) [0x5652cde14083]
(EE) 2: /usr/lib/xorg/Xorg (QueuePointerEvents+0x52) [0x5652cdcec662]
(EE) 3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f31f985c000+0x61f3)
[0x7f31f98621f3]
(EE) 4: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f31f985c000+0x6a5d)
[0x7f31f9862a5d]
(EE) 5: /usr/lib/xorg/Xorg (0x5652cdc80000+0x94228) [0x5652cdd14228]
(EE) 6: /usr/lib/xorg/Xorg (0x5652cdc80000+0xb96f2) [0x5652cdd396f2]
(EE) 7: /lib/x86_64-linux-gnu/libc.so.6 (0x7f3202cef000+0x354a0)
[0x7f3202d244a0]
(EE) 8: /usr/lib/xorg/Xorg (GiveUp+0x0) [0x5652cde37330]
(EE) 9: /lib/x86_64-linux-gnu/libc.so.6 (0x7f3202cef000+0x354a0)
[0x7f3202d244a0]
(EE) 10: /lib/x86_64-linux-gnu/libc.so.6 (__select+0x13) [0x7f3202debcf3]
(EE) 11: /usr/lib/xorg/Xorg (WaitForSomething+0x1d7) [0x5652cde2f307]
(EE) 12: /usr/lib/xorg/Xorg (0x5652cdc80000+0x539ee) [0x5652cdcd39ee]
(EE) 13: /usr/lib/xorg/Xorg (0x5652cdc80000+0x57c33) [0x5652cdcd7c33]
(EE) 14: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf0)
[0x7f3202d0f830]
(EE) 15: /usr/lib/xorg/Xorg (_start+0x29) [0x5652cdcc1f59]
(EE)
(EE) [mi] These backtraces from mieqEnqueue may point to a culprit higher up
the stack.
(EE) [mi] mieq is *NOT* the cause. It is a victim.
(EE) [mi] EQ overflow continuing. 100 events have been dropped.
Then at the end the last few are:
[ 6265.543] [mi] Increasing EQ size to 1024 to prevent dropped events.
[ 6265.543] [mi] EQ processing has resumed after 1070 dropped events.
[ 6265.543] [mi] This may be caused by a misbehaving driver monopolizing the
server's resources.
What cna the problem possibly be, especially as 16.04 is meant to be a
stable release and an Nvidia GT710 card is hardly bleeding-edge? Help
greatly appreciated!
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu3
ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
Uname: Linux 4.4.0-22-generic x86_64
.tmp.unity_support_test.0:
ApportVersion: 2.20.1-0ubuntu2.1
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: Wed Jun 1 13:22:13 2016
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
DkmsStatus: virtualbox, 5.0.18, 4.4.0-22-generic, x86_64: installed
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
NVIDIA Corporation Device [10de:128b] (rev a1) (prog-if 00 [VGA controller])
Subsystem: Gigabyte Technology Co., Ltd Device [1458:36ec]
InstallationDate: Installed on 2016-06-01 (0 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
MachineType: Gigabyte Technology Co., Ltd. Z170-D3H
ProcEnviron:
LANGUAGE=en_HK:en
PATH=(custom, no user)
LANG=en_HK.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-22-generic
root=UUID=79d1ab40-4431-445f-87bb-6a8d44370cee ro quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/24/2015
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F2
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: Z170-D3H-CF
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrF2:bd07/24/2015:svnGigabyteTechnologyCo.,Ltd.:pnZ170-D3H:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnZ170-D3H-CF:rvrx.x:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: Z170-D3H
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
version.compiz: compiz 1:0.9.12.2+16.04.20160415-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2.2
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
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2
xserver.bootTime: Wed Jun 1 13:14:17 2016
xserver.configfile: default
xserver.devices:
input Power Button KEYBOARD, id 6
input Power Button KEYBOARD, id 7
input Sleep Button KEYBOARD, id 8
input Microsoft Microsoft Wireless Optical Desktop® 2.10 KEYBOARD, id 9
input Microsoft Microsoft Wireless Optical Desktop® 2.10 KEYBOARD, id 10
xserver.errors:
Failed to load module "nvidia" (module does not exist, 0)
Failed to load module "nvidia" (module does not exist, 0)
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.18.3-1ubuntu2.2
xserver.video_driver: nouveau
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug compiz-0.9 ubuntu xenial
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https://bugs.launchpad.net/bugs/1587730
Title:
graphic system freezes after a while, can still ssh into machine
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