Can you please try kernel parameter "dis_ucode_ldr" to disable microcode
loading?
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/1905103
Title:
Unrecoverable random freezes; Ubuntu 20.04; HP Spectre X360
Status in linux package in Ubuntu:
Incomplete
Bug description:
The system freezes at apparently random times with no warning and no
possibility to recover. The system becomes completely unresponsive and
has to be hard reset. The mouse cursor does not move and no keyboard
input works. In particular, Alt+SysRq+REISUB does not work (confirmed
that it is activated and works in normal conditions). Neither does
Ctrl+Alt+F2,F3,etc. If a youtube music is playing in the background I
hear the audio get stuck in a short repeat loop (stutter) then stop
after a while. The freezes have been happening for the past month or
so at intervals of about 1-3 days, not long after I installed Ubuntu
20.04 as the first linux distro on this machine. Not sure if it all
started after an update.
No program seems to crash before the freeze happens, and I have not
found any pattern of activity that can reliably trigger the freeze. It
has happened while surfing the internet or just viewing files. The
kernel logs nothing unusual before the freeze (please see the attached
kern.log file; it contains multiple instances of the freeze: look for
where the system boots without proper shut down beforehand).
I have tried switching between the open-source and the proprietary video
drivers. It didn't help. Also uninstalled xserver-xorg-video-intel with no
result, so installed it back.
Not sure what to try next. Very frustrating as the hard resets can damage
important work and data on disks.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-54-generic 5.4.0-54.60
ProcVersionSignature: Ubuntu 5.4.0-54.60-generic 5.4.65
Uname: Linux 5.4.0-54-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.12
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: farshad 1494 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Fri Nov 20 15:11:20 2020
InstallationDate: Installed on 2020-10-10 (41 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20201007)
MachineType: HP HP Spectre x360 Convertible 15-df1xxx
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-54-generic
root=UUID=0536b924-b1a1-4ba7-bff4-04df7284b913 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.4.0-54-generic N/A
linux-backports-modules-5.4.0-54-generic N/A
linux-firmware 1.187.4
RfKill:
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/01/2020
dmi.bios.vendor: AMI
dmi.bios.version: F.22
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 863F
dmi.board.vendor: HP
dmi.board.version: 54.23
dmi.chassis.type: 31
dmi.chassis.vendor: HP
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAMI:bvrF.22:bd06/01/2020:svnHP:pnHPSpectrex360Convertible15-df1xxx:pvr:rvnHP:rn863F:rvr54.23:cvnHP:ct31:cvrChassisVersion:
dmi.product.family: 103C_5335KV HP Spectre
dmi.product.name: HP Spectre x360 Convertible 15-df1xxx
dmi.product.sku: 7UT64UA#ABA
dmi.sys.vendor: HP
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