Comment 0 for bug 1788563

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Fink Nottle (finknottle) wrote : L1TF mitigation not effective

Lenovo Thinkpad W530 system with 32 GB RAM

dmesg | grep -i l1tf
[ 0.038386] L1TF: System has more than MAX_PA/2 memory. L1TF mitigation not effective.
[ 2652.469669] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/l1tf.html for details.

Related:
https://bugzilla.opensuse.org/show_bug.cgi?id=1105536

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-32-generic 4.15.0-32.35
ProcVersionSignature: Ubuntu 4.15.0-32.35-generic 4.15.18
Uname: Linux 4.15.0-32-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: pgera 2809 F.... pulseaudio
CurrentDesktop: Unity:Unity7:ubuntu
Date: Thu Aug 23 03:38:40 2018
InstallationDate: Installed on 2018-08-11 (12 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
MachineType: LENOVO 24382LU
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-32-generic root=UUID=e2607c8a-4bd1-49fe-ad07-83046492fac5 ro quiet splash vt.handoff=1
RelatedPackageVersions:
 linux-restricted-modules-4.15.0-32-generic N/A
 linux-backports-modules-4.15.0-32-generic N/A
 linux-firmware 1.173.1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/11/2018
dmi.bios.vendor: LENOVO
dmi.bios.version: G5ETB2WW (2.72 )
dmi.board.asset.tag: Not Available
dmi.board.name: 24382LU
dmi.board.vendor: LENOVO
dmi.board.version: NO DPK
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvrG5ETB2WW(2.72):bd06/11/2018:svnLENOVO:pn24382LU:pvrThinkPadW530:rvnLENOVO:rn24382LU:rvrNODPK:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.family: ThinkPad W530
dmi.product.name: 24382LU
dmi.product.version: ThinkPad W530
dmi.sys.vendor: LENOVO