** Changed in: linux (Ubuntu)
Status: Incomplete => New
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https://bugs.launchpad.net/bugs/2078725
Title:
24.04.1 LTS useless as a stratum 1 ntp server
Status in linux package in Ubuntu:
New
Bug description:
I have a machine with a serial attached precision reference clock with
a pps accuracy of +/- 1 nanosecond that I have been using as a stratum
1 ntp server for years.
Upon upgrading from 22.04.4 LTS to 24.04.1 LTS ntp went insane.
ntpq -p shows:
xNMEA(0) .PPS. 0 l 12 16 377 0.0000 -96.8229
0.5427
Previously that 'x', which means the source is being rejected, was
'o', which means the source has pps, and the offset, which now shows
as -96 milliseconds was under 1 millisecond.
From syslog:
ntpd[10299]: REFCLOCK: refclock_params: kernel PLL (hardpps, RFC 1589) not
implemented
ntpd[10299]: REFCLOCK: NMEA(0) set PPSAPI params fails
It appears that the ppsapi has not been implemented in 24.04.1 LTS which
makes it useless as a stratum 1 ntp server.
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ProblemType: Bug
AlsaVersion: Advanced Linux Sound Architecture Driver Version
k6.8.0-41-lowlatency.
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.28.1-0ubuntu3.1
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/timer',
'/dev/snd/seq', '/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D3p',
'/dev/snd/hwC0D0', '/dev/snd/hwC0D2', '/dev/snd/controlC0', '/dev/snd/by-path']
failed with exit code 1:
CRDA: N/A
Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
CasperMD5CheckResult: pass
DistroRelease: Ubuntu 24.04
InstallationDate: Installed on 2022-07-05 (791 days ago)
InstallationMedia: Ubuntu-Server 22.04 LTS "Jammy Jellyfish" - Release amd64
(20220421)
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 1a40:0101 Terminus Technology Inc. Hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Lsusb-t:
/: Bus 001.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/6p, 480M
|__ Port 002: Dev 002, If 0, Class=Hub, Driver=hub/4p, 480M
/: Bus 002.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/1p, 5000M
MachineType: Default string Default string
Package: linux (not installed)
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm
ProcFB:
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-41-lowlatency
root=UUID=4046c392-c5b7-474e-8533-ac02ad623d3f ro
ProcVersionSignature: Ubuntu 6.8.0-41.41.1-lowlatency 6.8.12
RelatedPackageVersions:
linux-restricted-modules-6.8.0-41-lowlatency N/A
linux-backports-modules-6.8.0-41-lowlatency N/A
linux-firmware 20240318.git3b128b60-0ubuntu2.2
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
Tags: noble
Uname: Linux 6.8.0-41-lowlatency x86_64
UpgradeStatus: Upgraded to noble on 2024-09-01 (2 days ago)
UserGroups: N/A
_MarkForUpload: True
dmi.bios.date: 11/11/2021
dmi.bios.release: 5.6
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 5.6.5
dmi.board.asset.tag: Default string
dmi.board.name: PB_1900A
dmi.board.vendor: AMI Corporation
dmi.board.version: Default string
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr5.6.5:bd11/11/2021:br5.6:svnDefaultstring:pnDefaultstring:pvrDefaultstring:rvnAMICorporation:rnPB_1900A:rvrDefaultstring:cvnDefaultstring:ct3:cvrDefaultstring:skuDefaultstring:
dmi.product.family: Default string
dmi.product.name: Default string
dmi.product.sku: Default string
dmi.product.version: Default string
dmi.sys.vendor: Default string
modified.conffile..etc.default.apport:
# set this to 0 to disable apport, or to 1 to enable it
# you can temporarily override this with
# sudo service apport start force_start=1
enabled=0
mtime.conffile..etc.default.apport: 2022-07-05T15:09:42.972150
mtime.conffile..etc.init.d.apport: 2024-07-22T07:59:07
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