I have the same problem very often during a day on a Lenovo ThinkCentre
M900 (see specs below).
Often this problem is preceded by Chrome tabs blinking or blacking out
but I can't be sure it is a related problem. In those cases, the only
solution is to kill Chrome and restart the application.
When Ubuntu freezes it starts with either a frozen cursor or unable to
use the cursor anywhere. Other times Ubuntu becomes very slow before
freezing.
product: 10FCS22R00 (LENOVO_MT_10FC_BU_LENOVO_FM_ThinkCentre M900)
product: 30BC
product: Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz
product: M378A1K43CB2-CRC
product: M378A1K43CB2-CRC
product: Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Host
Bridge/DRAM Registers
product: Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor PCIe
Controller (x16)
product: GK208B [GeForce GT 720]
product: GK208 HDMI/DP Audio Controller
product: 100 Series/C230 Series Chipset Family USB 3.0 xHCI
Controller
product: 100 Series/C230 Series Chipset Family MEI Controller #1
product: Q170/Q150/B150/H170/H110/Z170/CM236 Chipset SATA
Controller [AHCI Mode]
product: Q170 Chipset LPC/eSPI Controller
product: 100 Series/C230 Series Chipset Family Power Management
Controller
product: 100 Series/C230 Series Chipset Family HD Audio Controller
product: 100 Series/C230 Series Chipset Family SMBus
product: Ethernet Connection (2) I219-LM
product: SanDisk SD8SB8U5
product: DVD-RW DH16AFSH
product: BUP Slim RD
product: To Be Filled By O.E.M.
** Attachment added: "Screenshot from 2018-12-18 09-42-02.png"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1798961/+attachment/5223255/+files/Screenshot%20from%202018-12-18%2009-42-02.png
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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/1798961
Title:
Random unrecoverable freezes on Ubuntu 18.10
Status in linux package in Ubuntu:
Triaged
Status in linux source package in Bionic:
Triaged
Status in linux source package in Cosmic:
Triaged
Status in linux source package in Disco:
Triaged
Bug description:
First thing I notice is that the mouse cursor freezes as I'm using it,
then I hit the CAPS LOCK key and the LED indicator doesn't respond.
Then I try the "REISUB" command, but it doesn't do anything either.
Only a hard reset works, pressing down the power button for a few
seconds.
How to reproduce?
I couldn't figure out a consistent method. It is still random to me.
Version: Ubuntu 4.18.0-10.11-generic 4.18.12
System information attached.
Also happens under Arch Linux and Fedora.
I've talked to another user on IRC who seems to be having the same freezes.
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: linux-image-4.18.0-10-generic 4.18.0-10.11
ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
Uname: Linux 4.18.0-10-generic x86_64
ApportVersion: 2.20.10-0ubuntu13
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: dsilva 1213 F.... pulseaudio
/dev/snd/controlC0: dsilva 1213 F.... pulseaudio
CurrentDesktop: XFCE
Date: Sat Oct 20 09:54:50 2018
InstallationDate: Installed on 2018-10-20 (0 days ago)
InstallationMedia: Xubuntu 18.10 "Cosmic Cuttlefish" - Release amd64
(20181017.2)
MachineType: Dell Inc. Inspiron 5458
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.18.0-10-generic
root=/dev/mapper/xubuntu--vg-root ro quiet splash vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-4.18.0-10-generic N/A
linux-backports-modules-4.18.0-10-generic N/A
linux-firmware 1.175
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/02/2018
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A15
dmi.board.name: 09WGNT
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA15:bd02/02/2018:svnDellInc.:pnInspiron5458:pvr01:rvnDellInc.:rn09WGNT:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: Inspiron 5458
dmi.product.sku: Inspiron 5458
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
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