** Tags added: sru-20210315 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1837040
Title: function traceon/off triggers in ftace from ubuntu_kernel_selftests failed on Disco ARM64 / B-hwe P9 Status in ubuntu-kernel-tests: Invalid Status in linux package in Ubuntu: Invalid Status in linux source package in Disco: Invalid Bug description: Test failed with the disco master-next branch, issue spotted on Thunder X ARM64 (passed with Moonshot ARM64): TAP version 13 selftests: ftrace: ftracetest ======================================== === Ftrace unit tests === [1] Basic trace file check [PASS] [2] Basic test for tracers [PASS] [3] Basic trace clock test [PASS] [4] Basic event tracing check [PASS] [5] Change the ringbuffer size [PASS] [6] Snapshot and tracing setting [PASS] [7] trace_pipe and trace_marker [PASS] [8] Generic dynamic event - add/remove kprobe events [PASS] [9] Generic dynamic event - add/remove synthetic events [PASS] [10] Generic dynamic event - selective clear (compatibility) [PASS] [11] Generic dynamic event - generic clear event [PASS] [12] event tracing - enable/disable with event level files [PASS] [13] event tracing - restricts events based on pid [PASS] [14] event tracing - enable/disable with subsystem level files [PASS] [15] event tracing - enable/disable with top level files [PASS] [16] Test trace_printk from module [PASS] [17] ftrace - function graph filters with stack tracer [PASS] [18] ftrace - function graph filters [PASS] [19] ftrace - function glob filters [PASS] [20] ftrace - function pid filters [PASS] [21] ftrace - stacktrace filter command [PASS] [22] ftrace - function trace with cpumask [PASS] [23] ftrace - test for function event triggers [PASS] [24] ftrace - function trace on module [PASS] [25] ftrace - function profiling [PASS] [26] ftrace - function profiler with function tracing [PASS] [27] ftrace - test reading of set_ftrace_filter [PASS] [28] ftrace - Max stack tracer [PASS] [29] ftrace - test for function traceon/off triggers [FAIL] [30] Test creation and deletion of trace instances while setting an event [PASS] [31] Test creation and deletion of trace instances [PASS] [32] Kprobe dynamic event - adding and removing [PASS] [33] Kprobe dynamic event - busy event check [PASS] [34] Kprobe dynamic event with arguments [PASS] [35] Kprobe event with comm arguments [PASS] [36] Kprobe event string type argument [PASS] [37] Kprobe event symbol argument [PASS] [38] Kprobe event argument syntax [PASS] [39] Kprobes event arguments with types [PASS] [40] Kprobe event auto/manual naming [PASS] [41] Kprobe dynamic event with function tracer [PASS] [42] Kprobe dynamic event - probing module [PASS] [43] Kretprobe dynamic event with arguments [PASS] [44] Kretprobe dynamic event with maxactive [PASS] [45] Register/unregister many kprobe events [PASS] [46] Kprobe events - probe points [PASS] [47] Kprobe dynamic event - adding and removing [PASS] [48] test for the preemptirqsoff tracer [UNSUPPORTED] [49] Test wakeup tracer [PASS] [50] Test wakeup RT tracer [PASS] [51] event trigger - test extended error support [PASS] [52] event trigger - test field variable support [PASS] [53] event trigger - test inter-event combined histogram trigger [PASS] [54] event trigger - test multiple actions on hist trigger [PASS] [55] event trigger - test inter-event histogram trigger onmatch action [PASS] [56] event trigger - test inter-event histogram trigger onmatch-onmax action [PASS] [57] event trigger - test inter-event histogram trigger onmax action [PASS] [58] event trigger - test synthetic event create remove [PASS] [59] event trigger - test synthetic_events syntax parser [PASS] [60] event trigger - test event enable/disable trigger [PASS] [61] event trigger - test trigger filter [PASS] [62] event trigger - test histogram modifiers [PASS] [63] event trigger - test histogram trigger [PASS] [64] event trigger - test multiple histogram triggers [PASS] [65] event trigger - test snapshot-trigger [PASS] [66] event trigger - test stacktrace-trigger [PASS] [67] trace_marker trigger - test histogram trigger [PASS] [68] trace_marker trigger - test snapshot trigger [PASS] [69] trace_marker trigger - test histogram with synthetic event against kernel event [PASS] [70] trace_marker trigger - test histogram with synthetic event [PASS] [71] event trigger - test traceon/off trigger [PASS] [72] (instance) Basic test for tracers [PASS] [73] (instance) Basic trace clock test [PASS] [74] (instance) Change the ringbuffer size [PASS] [75] (instance) Snapshot and tracing setting [PASS] [76] (instance) trace_pipe and trace_marker [PASS] [77] (instance) event tracing - enable/disable with event level files [PASS] [78] (instance) event tracing - restricts events based on pid [PASS] [79] (instance) event tracing - enable/disable with subsystem level files [PASS] [80] (instance) ftrace - stacktrace filter command [PASS] [81] (instance) ftrace - test for function event triggers [PASS] [82] (instance) ftrace - test for function traceon/off triggers [PASS] [83] (instance) event trigger - test event enable/disable trigger [PASS] [84] (instance) event trigger - test trigger filter [PASS] [85] (instance) event trigger - test histogram modifiers [PASS] [86] (instance) event trigger - test histogram trigger [PASS] [87] (instance) event trigger - test multiple histogram triggers [PASS] [88] (instance) trace_marker trigger - test histogram trigger [PASS] [89] (instance) trace_marker trigger - test snapshot trigger [PASS] # of passed: 87 # of failed: 1 # of unresolved: 0 # of untested: 0 # of unsupported: 1 # of xfailed: 0 # of undefined(test bug): 0 not ok 1..1 selftests: ftrace: ftracetest [FAIL] However it can pass with the upstream tree: # [28] ftrace - Max stack tracer [PASS] # [29] ftrace - test for function traceon/off triggers [PASS] # [30] ftrace - test tracing error log support [FAIL] # [31] Test creation and deletion of trace instances while setting an event [PASS] # [32] Test creation and deletion of trace instances [PASS] So it looks like a test case issue in our kernel tree from this point. ProblemType: Bug DistroRelease: Ubuntu 19.04 Package: linux-image-5.0.0-20-generic 5.0.0-20.21 ProcVersionSignature: User Name 5.0.0-20.21-generic 5.0.8 Uname: Linux 5.0.0-20-generic aarch64 AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Jul 18 04:23 seq crw-rw---- 1 root audio 116, 33 Jul 18 04:23 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay' ApportVersion: 2.20.10-0ubuntu27.1 Architecture: arm64 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 Jul 18 12:03:43 2019 IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig' MachineType: Cavium ThunderX CRB PciMultimedia: ProcFB: 0 EFI VGA 1 astdrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-20-generic root=UUID=d4e5f461-24ef-47d8-a67f-42c82ff1efe8 ro RelatedPackageVersions: linux-restricted-modules-5.0.0-20-generic N/A linux-backports-modules-5.0.0-20-generic N/A linux-firmware 1.178.2 RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill' SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/12/2012 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 5.11 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: To be filled by O.E.M. dmi.board.vendor: To be filled by O.E.M. dmi.board.version: To be filled by O.E.M. dmi.chassis.asset.tag: To be filled by O.E.M. dmi.chassis.type: 0 dmi.chassis.vendor: Cavium dmi.chassis.version: To be filled by O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr5.11:bd12/12/2012:svnCavium:pnThunderXCRB:pvrTobefilledbyO.E.M.:rvnTobefilledbyO.E.M.:rnTobefilledbyO.E.M.:rvrTobefilledbyO.E.M.:cvnCavium:ct0:cvrTobefilledbyO.E.M.: dmi.product.family: Default string dmi.product.name: ThunderX CRB dmi.product.sku: Default string dmi.product.version: To be filled by O.E.M. dmi.sys.vendor: Cavium To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1837040/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp