apport information
** Tags added: apport-collected
** Description changed:
During regression testing on a z/VM instance, I noticed call traces
being dumped to dmesg that seem to be related to stress-ng.
The stress-ng invocation we're using is:
stress-ng --aggressive --verify --timeout $runtime \
--metrics-brief --tz --times \
--af-alg 0 --bsearch 0 --context 0 --cpu 0 \
--crypt 0 --hsearch 0 --longjmp 0 --lsearch
0 \
--matrix 0 --qsort 0 --str 0 --stream 0 \
--tsearch 0 --vecmath 0 --wcs 0
as executed by the cpu_stress script from the cpu/cpu_stress_ng test in
the certification suite.
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: linux-image-4.13.0-16-generic 4.13.0-16.19
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-16-generic s390x
AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code
2: ls: cannot access '/dev/snd/': No such file or directory
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.7-0ubuntu3.1
Architecture: s390x
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord':
'arecord'
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211
not found.
Date: Fri Nov 3 11:12:04 2017
HibernationDevice: RESUME=UUID=1ce0f037-449a-43a1-af49-e730f6f99ac4
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
Lspci:
Lsusb: Error: command ['lsusb'] failed with exit code 1:
PciMultimedia:
ProcEnviron:
TERM=screen
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=C
SHELL=/bin/bash
ProcFB: Error: [Errno 2] No such file or directory: '/proc/fb'
ProcKernelCmdLine: root=/dev/mapper/hwe0008_vg-lv crashkernel=196M
BOOT_IMAGE=0
RelatedPackageVersions:
linux-restricted-modules-4.13.0-16-generic N/A
linux-backports-modules-4.13.0-16-generic N/A
linux-firmware 1.169
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: linux
UpgradeStatus: Upgraded to artful on 2017-11-02 (0 days ago)
+ ---
+ AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code
2: ls: cannot access '/dev/snd/': No such file or directory
+ AplayDevices: Error: [Errno 2] No such file or directory
+ ApportVersion: 2.20.7-0ubuntu3.1
+ Architecture: s390x
+ ArecordDevices: Error: [Errno 2] No such file or directory
+ CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211
not found.
+ DistroRelease: Ubuntu 17.10
+ HibernationDevice: RESUME=UUID=1ce0f037-449a-43a1-af49-e730f6f99ac4
+ IwConfig: Error: [Errno 2] No such file or directory
+ Lspci:
+
+ Lsusb: Error: command ['lsusb'] failed with exit code 1:
+ Package: linux (not installed)
+ PciMultimedia:
+
+ ProcEnviron:
+ TERM=screen
+ PATH=(custom, no user)
+ XDG_RUNTIME_DIR=<set>
+ LANG=C
+ SHELL=/bin/bash
+ ProcFB: Error: [Errno 2] No such file or directory: '/proc/fb'
+ ProcKernelCmdLine: root=/dev/mapper/hwe0008_vg-lv crashkernel=196M
BOOT_IMAGE=0
+ ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
+ RelatedPackageVersions:
+ linux-restricted-modules-4.13.0-16-generic N/A
+ linux-backports-modules-4.13.0-16-generic N/A
+ linux-firmware 1.169
+ RfKill: Error: [Errno 2] No such file or directory
+ Tags: artful
+ Uname: Linux 4.13.0-16-generic s390x
+ UpgradeStatus: Upgraded to artful on 2017-11-02 (0 days ago)
+ UserGroups: adm cdrom cpacfstats dip lpadmin lxd plugdev sambashare sudo
+ _MarkForUpload: True
** Attachment added: "AudioDevicesInUse.txt"
https://bugs.launchpad.net/bugs/1729878/+attachment/5003078/+files/AudioDevicesInUse.txt
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https://bugs.launchpad.net/bugs/1729878
Title:
stress-ng triggering call-traces on s390x z/VM instances
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