** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1664062
Title:
Can't load intel-rng module
Status in linux package in Ubuntu:
Confirmed
Bug description:
I have a laptop with Haswell processor which has a hardware random number
generator. I confirmed that with the command 'grep rdrand /proc/cpuinfo'.
The problem is when I try to load the 'intel-rng' kernel module to use the
device with rngd daemon, it says 'no such device'. I'm not a great Linux
expert, but the problem seems the PCI IDs for my computer's chipset isn't on
module, so become impossible to detect the device. I tried the same with
4.10rc7 kernel from PPA and the problem continues. I'm having a problem how to
which PCI device contains RNG support and how create a new modalias to bypass
the detection. If I could do that, I could report exactly what is the PCI IDs
to correct the RNG detection.
ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: linux-image-4.9.0-16-generic 4.9.0-16.17
ProcVersionSignature: Ubuntu 4.9.0-16.17-generic 4.9.6
Uname: Linux 4.9.0-16-generic x86_64
ApportVersion: 2.20.4-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: marcos 6288 F.... pulseaudio
/dev/snd/controlC1: marcos 6288 F.... pulseaudio
/dev/snd/controlC0: marcos 6288 F.... pulseaudio
CurrentDesktop: Unity
Date: Sun Feb 12 19:06:49 2017
HibernationDevice: RESUME=UUID=120c9111-82df-448d-a8d1-dc6b4822f7ac
InstallationDate: Installed on 2016-08-03 (192 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64
(20160719)
MachineType: Dell Inc. Inspiron 5437
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.9.0-16-generic
root=UUID=7b80ab6d-8a48-4582-ace8-0b11e10026b6 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.9.0-16-generic N/A
linux-backports-modules-4.9.0-16-generic N/A
linux-firmware 1.162
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/07/2016
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A10
dmi.board.name: 03X56P
dmi.board.vendor: Dell Inc.
dmi.board.version: A10
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: Not Specified
dmi.modalias:
dmi:bvnDellInc.:bvrA10:bd06/07/2016:svnDellInc.:pnInspiron5437:pvrNotSpecified:rvnDellInc.:rn03X56P:rvrA10:cvnDellInc.:ct8:cvrNotSpecified:
dmi.product.name: Inspiron 5437
dmi.product.version: Not Specified
dmi.sys.vendor: Dell Inc.
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