*** This bug is a duplicate of bug 1690085 ***
https://bugs.launchpad.net/bugs/1690085
Using a script to write MSR isn't a solution.
I wrote a patch [1] to disable C6 directly inside the kernel, but
apparently users are not happy about that.
Since it's the same one as LP: #1690085, we can mark this one as a dupe.
[1] https://bugzilla.kernel.org/attachment.cgi?id=274853&action=diff
** This bug has been marked a duplicate of bug 1690085
Ryzen 1800X freeze - rcu_sched detected stalls on CPUs/tasks
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https://bugs.launchpad.net/bugs/1753346
Title:
AMD Ryzen 7 1800X system (Dell Inspiron 5675) randomly freezes
Status in linux package in Ubuntu:
Incomplete
Bug description:
This is happening every day or so. I cannot see anything in the
kern.log or syslog that give me a clue on where/what the issue might.
I was using Ubuntu 17.10 earlier and upgraded to Ubuntu 18.04 on
3/3/2018, since I thought kernel 4.15 might have better support for
the ryzen 7 and also maybe amdgpu for the radeon 580 might be newer.
I have removed most external devices except for networking and HDMI
and audio out.
Attached a tarball of info, although I believe that since I used
'ubuntu-bug linux' command, the information might be duplicated,
apologize for any extra attachments.
$ ls -l dell-5675-sysinfo/
total 168
-rw-r--r-- 1 pss pss 83139 Mar 4 19:47 dmesg
-rw-r--r-- 1 pss pss 26154 Mar 4 19:44 dmidecode
-rw-r--r-- 1 pss pss 1507 Mar 4 19:45 gpu-manager.log
-rw-r--r-- 1 pss pss 110 Mar 4 19:44 lsb-release-a
-rw-r--r-- 1 pss pss 1464 Mar 4 19:44 lscpu
-rw-r--r-- 1 pss pss 4353 Mar 4 19:46 lspci
-rw-r--r-- 1 pss pss 4105 Mar 4 20:05 lspci-vvv-radeon-580.txt
-rw-r--r-- 1 pss pss 19318 Mar 4 19:48
mprime-p95v294b8.linux64-results-2018-03-04.txt
-rw-r--r-- 1 pss pss 104 Mar 4 19:44 uname-a
-rw-r--r-- 1 pss pss 35 Mar 4 20:27 version.log
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-10-generic 4.15.0-10.11
ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
Uname: Linux 4.15.0-10-generic x86_64
ApportVersion: 2.20.8-0ubuntu10
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: pss 1801 F.... pulseaudio
/dev/snd/controlC0: pss 1801 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Sun Mar 4 20:21:55 2018
InstallationDate: Installed on 2018-02-16 (16 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.1)
MachineType: Dell Inc. Inspiron 5675
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.utf8
SHELL=/bin/bash
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-10-generic.efi.signed
root=UUID=d6a2ae1e-5421-435f-8e4c-e377133cebc9 ro quiet splash vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-4.15.0-10-generic N/A
linux-backports-modules-4.15.0-10-generic N/A
linux-firmware 1.172
SourcePackage: linux
UpgradeStatus: Upgraded to bionic on 2018-03-04 (1 days ago)
dmi.bios.date: 12/04/2017
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.3.6
dmi.board.name: 07PR60
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 3
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: 1.3.6
dmi.modalias:
dmi:bvnDellInc.:bvr1.3.6:bd12/04/2017:svnDellInc.:pnInspiron5675:pvr1.3.6:rvnDellInc.:rn07PR60:rvrA00:cvnDellInc.:ct3:cvr1.3.6:
dmi.product.family: Inspiron
dmi.product.name: Inspiron 5675
dmi.product.version: 1.3.6
dmi.sys.vendor: Dell Inc.
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