** Changed in: linux (Ubuntu Cosmic)
Status: Triaged => Won't Fix
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https://bugs.launchpad.net/bugs/1803960
Title:
4.18.0 kernels hang system randomly
Status in linux package in Ubuntu:
Triaged
Status in linux source package in Cosmic:
Won't Fix
Bug description:
I've been using 18.04 on an Asus T300CHI without issue until I decided
to switch to the v4.18 kernels from 18.10 via linux-image-lowlatency-
hwe-18.04-edge.
Since then the system randomly but regularly completely hangs. Only a
hard power-off resolves it.
Frustratingly there are never any clues in the kernel logs so it is
very difficult to point to anything that might cause it; there is
never any obvious pattern in the workload, the user interaction, or
state of the PC when the hang occurs.
A week ago I switched to the Ubuntu mainline v4.19 builds and that
resolved the issue.
I was reminded of it again today when it hung a few minutes ago. After
the reboot I checked the previous boot log and realised the PC had
accidentally been booted with the default v4.18 kernel rather than
v4.19.
I don't think this report can be debugged but it is worth having a
tracking bug in case other people experience the same issue with
v4.18.
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