Public bug reported:
This issue can be found on Power9 with Bionic / Cosmic kernel
$ sudo ./dscr_sysfs_test
test: dscr_sysfs_test
tags: git_version:c186097-dirty
!! killing dscr_sysfs_test
!! child died by signal 15
failure: dscr_sysfs_test
Passed on Power8
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-44-generic 4.15.0-44.47
ProcVersionSignature: Ubuntu 4.15.0-44.47-generic 4.15.18
Uname: Linux 4.15.0-44-generic ppc64le
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Jan 24 07:22 seq
crw-rw---- 1 root audio 116, 33 Jan 24 07:22 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: ppc64el
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 24 09:29:00 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 0451:80ff Texas Instruments, Inc.
Bus 001 Device 004: ID 0557:2419 ATEN International Co., Ltd
Bus 001 Device 002: ID 0557:7000 ATEN International Co., Ltd Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
PciMultimedia:
ProcFB: 0 astdrmfb
ProcKernelCmdLine: root=UUID=acd1a0d7-f6fc-4130-928c-c8b11ad6e4be ro
console=hvc0
ProcLoadAvg: 0.26 0.07 0.11 3/1363 35034
ProcLocks:
1: FLOCK ADVISORY WRITE 3482 00:17:520 0 EOF
2: POSIX ADVISORY WRITE 3746 00:17:580 0 EOF
3: POSIX ADVISORY WRITE 1800 00:17:368 0 EOF
4: FLOCK ADVISORY WRITE 3744 00:17:568 0 EOF
5: POSIX ADVISORY WRITE 3831 00:17:588 0 EOF
ProcSwaps:
Filename Type Size Used Priority
/swap.img file 8388544 0 -2
ProcVersion: Linux version 4.15.0-44-generic (buildd@bos02-ppc64el-004) (gcc
version 7.3.0 (Ubuntu 7.3.0-16ubuntu3)) #47-Ubuntu SMP Mon Jan 14 11:26:40 UTC
2019
RelatedPackageVersions:
linux-restricted-modules-4.15.0-44-generic N/A
linux-backports-modules-4.15.0-44-generic N/A
linux-firmware 1.173.3
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
VarLogDump_list: total 0
cpu_cores: Number of cores present = 40
cpu_coreson: Number of cores online = 40
cpu_dscr: DSCR is 5
cpu_freq:
min: 2.862 GHz (cpu 159)
max: 2.862 GHz (cpu 3)
avg: 2.862 GHz
cpu_runmode:
Could not retrieve current diagnostics mode,
No kernel interface to firmware
cpu_smt: SMT=4
** Affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug bionic package-from-proposed ppc64el uec-images
** Also affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1813136
Title:
dscr_sysfs_test in powerpc/dscr from ubuntu_kernel_selftests failed
with Power9 on Bionic
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