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** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1704720
Title:
ubuntu_lttng_smoke_test failed on Artful 4.11.0-11
Status in linux package in Ubuntu:
Confirmed
Bug description:
After bug 1699755, this test was found failed on Artful again with
kernel 4.11.0-11
$ dmesg | grep lttng
[ 8282.279726] lttng_kretprobes: loading out-of-tree module taints kernel.
[ 8282.279754] lttng_kretprobes: module verification failed: signature and/or
required key missing - tainting kernel
[ 8282.282192] lttng_tracer: Unknown symbol lttng_ftrace_unregister (err 0)
[ 8282.282205] lttng_tracer: Unknown symbol lttng_ftrace_register (err 0)
[ 8282.282216] lttng_tracer: Unknown symbol lttng_ftrace_destroy_private (err
0)
$ sudo ./ubuntu_lttng_smoke_test.sh
== lttng smoke test of session create/destroy ==
Session test-kernel-session created.
Traces will be written in /tmp/lttng-kernel-trace-13336-session
PASSED (lttng create)
Session test-kernel-session destroyed
PASSED (lttng destroy)
== lttng smoke test list kernel events ==
Error: Unable to list kernel events: Kernel tracer not available
Error: Command error
FAILED (lttng list --kernel)
FAILED (lttng list --kernel more output expected)
== lttng smoke test trace open/close system calls ==
Session test-kernel-session created.
Traces will be written in /tmp/lttng-kernel-trace-13336-session
PASSED (lttng create)
Error: Event open: Kernel tracer not available (channel channel0, session
test-kernel-session)
Error: Event openat: Kernel tracer not available (channel channel0, session
test-kernel-session)
Error: Event close: Kernel tracer not available (channel channel0, session
test-kernel-session)
FAILED (lttng enable-event)
Session test-kernel-session destroyed
== lttng smoke test trace context switches ==
Session test-kernel-session created.
Traces will be written in /tmp/lttng-kernel-trace-13336-session
PASSED (lttng create)
Error: Event sched_switch: Kernel tracer not available (channel channel0,
session test-kernel-session)
FAILED (lttng enable-event)
Session test-kernel-session destroyed
Summary: 4 passed, 4 failed
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: linux-image-4.11.0-11-generic 4.11.0-11.16
ProcVersionSignature: User Name 4.11.0-11.16-generic 4.11.10
Uname: Linux 4.11.0-11-generic x86_64
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Jul 17 04:00 seq
crw-rw---- 1 root audio 116, 33 Jul 17 04:00 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.20.5-0ubuntu5
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
Date: Mon Jul 17 06:22:17 2017
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
MachineType: Intel Corporation S1200RP
PciMultimedia:
ProcFB:
0 mgadrmfb
1 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.11.0-11-generic
root=UUID=b0d2ae4e-12dd-423e-acea-272ee8b2a893 ro
RelatedPackageVersions:
linux-restricted-modules-4.11.0-11-generic N/A
linux-backports-modules-4.11.0-11-generic N/A
linux-firmware 1.167
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/01/2015
dmi.bios.vendor: Intel Corp.
dmi.bios.version: S1200RP.86B.03.02.0003.070120151022
dmi.board.asset.tag: ....................
dmi.board.name: S1200RP
dmi.board.vendor: Intel Corporation
dmi.board.version: G62254-407
dmi.chassis.asset.tag: ....................
dmi.chassis.type: 17
dmi.chassis.vendor: ..............................
dmi.chassis.version: ..................
dmi.modalias:
dmi:bvnIntelCorp.:bvrS1200RP.86B.03.02.0003.070120151022:bd07/01/2015:svnIntelCorporation:pnS1200RP:pvr....................:rvnIntelCorporation:rnS1200RP:rvrG62254-407:cvn..............................:ct17:cvr..................:
dmi.product.name: S1200RP
dmi.product.version: ....................
dmi.sys.vendor: Intel Corporation
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