I also have had random system freezes ever since I upgraded from 18.04
to 18.10, Linux 4.18.0-10-generic, solved by always booting into
4.15.0-36-generic. When the freezes happen, the screen simply stops, and
no input is accepted, not even the usual REISUB.
teresaejunior@laptop ~> inxi -Fz
System: Host: laptop Kernel: 4.15.0-36-generic x86_64 bits: 64 Desktop: Xfce
4.13.2
Distro: Ubuntu 18.10 (Cosmic Cuttlefish)
Machine: Type: Laptop System: LENOVO product: 80JE v: Lenovo G40-80 serial:
<filter>
Mobo: LENOVO model: Lancer 4A1 v: SDK0E50515 STD serial: <filter>
UEFI: LENOVO v: B0CN79WW
date: 05/07/2015
Battery: ID-1: BAT0 charge: 26.4 Wh condition: 26.4/28.5 Wh (93%)
CPU: Topology: Dual Core model: Intel Core i5-5200U bits: 64 type: MT MCP
L2 cache: 3072 KiB
Speed: 1397 MHz min/max: 500/2700 MHz Core speeds (MHz): 1: 1146 2:
1000 3: 1079 4: 1039
Graphics: Device-1: Intel HD Graphics 5500 driver: i915 v: kernel
Display: x11 server: X.Org 1.20.1 driver: modesetting unloaded:
fbdev,vesa resolution: 1366x768~60Hz
OpenGL: renderer: Mesa DRI Intel HD Graphics 5500 (Broadwell GT2) v:
4.5 Mesa 18.2.2
Audio: Device-1: Intel Broadwell-U Audio driver: snd_hda_intel
Device-2: Intel Wildcat Point-LP High Definition Audio driver:
snd_hda_intel
Sound Server: ALSA v: k4.15.0-36-generic
Network: Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
driver: r8169
IF: enp2s0 state: down mac: <filter>
Device-2: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter
driver: ath9k
IF: wlp3s0 state: up mac: <filter>
Device-3: Atheros AR3012 Bluetooth 4.0 type: USB driver: btusb
IF-ID-1: docker0 state: down mac: <filter>
Drives: Local Storage: total: 931.51 GiB used: 411.53 GiB (44.2%)
ID-1: /dev/sda vendor: Seagate model: ST1000LM024 HN-M101MBB size:
931.51 GiB
Partition: ID-1: / size: 915.71 GiB used: 411.52 GiB (44.9%) fs: ext4 dev:
/dev/sda2
Sensors: System Temperatures: cpu: 41.0 C mobo: N/A
Fan Speeds (RPM): N/A
Info: Processes: 267 Uptime: 7h 12m Memory: 11.64 GiB used: 3.45 GiB
(29.7%) Shell: fish inxi: 3.0.24
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https://bugs.launchpad.net/bugs/1798961
Title:
Random unrecoverable freezes on Ubuntu 18.10
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