I am experiencing the freeze regularly since I attached an external
display through HDMI.
Dell Inc. Inspiron 5558/086DKN, BIOS A18 12/30/2019
Ubuntu 18.04.4
Freeze happens on kernels:
4.15.0-91
4.15.0-34
I didn't try other versions.
I tried the ahci.mobile_lpm_policy={0,1} setting (#58) - with both 0 and 1
freeze happened again.
I tried the extra X11 Intel settings (#42), but since then I removed the X11
intel driver package xserver-xorg-video-intel, as it is labeled as discouraged
for HW newer than 2007, X11 doesn't recognize this configuration section.
Some extra details:
I have docker running.
VirtualBox modules are loaded at boot.
journalctl doesn't show anything right before the freeze.
Can someone point me what sort of extra logging/tracing I can enable to
poinpoint the issue?
Thanks.
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https://bugs.launchpad.net/bugs/1798961
Title:
Random unrecoverable freezes on Ubuntu 18.10
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