Public bug reported: 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 ** Affects: linux (Ubuntu) Importance: Undecided Assignee: Colin Ian King (colin-king) Status: Confirmed ** Tags: amd64 apport-bug artful package-from-proposed uec-images ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Colin Ian King (colin-king) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1704720 Title: ubuntu_lttng_smoke_test failed on Artful 4.11.0-11 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1704720/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs