** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1811194
Title:
raw_skew in timer from the ubuntu_kernel_selftests failed on Bionic
Status in ubuntu-kernel-tests:
New
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Xenial:
Fix Released
Status in linux source package in Bionic:
Fix Committed
Status in linux source package in Cosmic:
Fix Released
Status in linux source package in Disco:
Fix Released
Bug description:
[impact]
autopkgtest failure during test for linux pkg.
ADJ_OFFSET during test causes skew, and test to fail.
[test case]
this only happens intermittently, but frequently on the autopkgtests.
when it happens it looks like:
20:46:54 DEBUG| [stdout] WARNING: ADJ_OFFSET in progress, this will cause
inaccurate results
20:48:54 DEBUG| [stdout] Estimating clock drift: 16.881(est) 27.184(act)
[FAILED]
when it happens with a patched kernel it looks like:
01:04:35 DEBUG| [stdout] WARNING: ADJ_OFFSET in progress, this will cause
inaccurate results
01:06:35 DEBUG| [stdout] Estimating clock drift: 14.52(est) 13.641(act)
[OK]
[regression potential]
since this skips the test in question, it might miss an actual
regression that the test should have caught; however, since ADJ_OFFSET
is not always in progress during the test, if a real regression
happens for this test, then it should correctly fail for test runs
which have no concurrent ADJ_OFFSET and thus don't skip the test.
[other info]
original description:
---
This issue cannot be reproduced across all of our SUTs, issue found on node
secchi (3 out of 3).
And sometimes on node amaura (2 out of 4)
selftests: raw_skew
========================================
WARNING: ADJ_OFFSET in progress, this will cause inaccurate results
Estimating clock drift: 29.255(est) 30.529(act) [FAILED]
Bail out!
Pass 0 Fail 0 Xfail 0 Xpass 0 Skip 0 Error 0
1..0
not ok 1..7 selftests: raw_skew [FAIL]
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-43-generic 4.15.0-43.46
ProcVersionSignature: User Name 4.15.0-43.46-generic 4.15.18
Uname: Linux 4.15.0-43-generic x86_64
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Jan 10 03:58 seq
crw-rw---- 1 root audio 116, 33 Jan 10 03:58 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord':
'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
Date: Thu Jan 10 06:25:41 2019
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 0b1f:03e9 Insyde Software Corp.
Bus 001 Device 002: ID 0000:0001
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Intel Corporation S2600WFT
PciMultimedia:
ProcFB: 0 astdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-43-generic
root=UUID=9210e07a-fd34-474c-b77e-f7508f27e234 ro console=ttyS0,115200n8
RelatedPackageVersions:
linux-restricted-modules-4.15.0-43-generic N/A
linux-backports-modules-4.15.0-43-generic N/A
linux-firmware 1.173.2
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/12/2016
dmi.bios.vendor: Intel Corporation
dmi.bios.version: SE5C620.86B.01.00.0294.101220161543
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: S2600WFT
dmi.board.vendor: Intel Corporation
dmi.board.version: H48104-410
dmi.chassis.asset.tag: ....................
dmi.chassis.type: 23
dmi.chassis.vendor: ...............................
dmi.chassis.version: ..................
dmi.modalias:
dmi:bvnIntelCorporation:bvrSE5C620.86B.01.00.0294.101220161543:bd10/12/2016:svnIntelCorporation:pnS2600WFT:pvr....................:rvnIntelCorporation:rnS2600WFT:rvrH48104-410:cvn...............................:ct23:cvr..................:
dmi.product.family: Family
dmi.product.name: S2600WFT
dmi.product.version: ....................
dmi.sys.vendor: Intel Corporation
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