*** This bug is a duplicate of bug 1861929 ***
https://bugs.launchpad.net/bugs/1861929
This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1854088
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Changed in: linux (Ubuntu Eoan)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1854088
Title:
ftrace test in ubuntu_kernel_selftests fails completely on E linux-kvm
Status in ubuntu-kernel-tests:
Fix Committed
Status in linux package in Ubuntu:
Invalid
Status in linux source package in Eoan:
Fix Committed
Bug description:
Kernel: 5.3.0-1008.9 linux-kvm
Series: Eoan
Test: ftrace selftest
make: Entering directory
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests'
make --no-builtin-rules ARCH=x86 -C ../../.. headers_install
make[1]: Entering directory
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux'
INSTALL ./usr/include
make[1]: Leaving directory
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux'
make[1]: Entering directory
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/ftrace'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/ftrace'
make[1]: Entering directory
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/ftrace'
TAP version 13
1..1
# selftests: ftrace: ftracetest
# === Ftrace unit tests ===
# [1] Basic trace file check [FAIL]
# [2] Basic test for tracers [FAIL]
# [3] Basic trace clock test [FAIL]
# [4] Basic event tracing check [FAIL]
# [5] Change the ringbuffer size [FAIL]
# [6] Snapshot and tracing setting [FAIL]
# [7] trace_pipe and trace_marker [FAIL]
# [8] Generic dynamic event - add/remove kprobe events [FAIL]
# [9] Generic dynamic event - add/remove synthetic events [FAIL]
# [10] Generic dynamic event - selective clear (compatibility) [FAIL]
# [11] Generic dynamic event - generic clear event [FAIL]
# [12] event tracing - enable/disable with event level files [FAIL]
# [13] event tracing - restricts events based on pid [FAIL]
# [14] event tracing - enable/disable with subsystem level files [FAIL]
# [15] event tracing - enable/disable with top level files [FAIL]
# [16] Test trace_printk from module [FAIL]
# [17] ftrace - function graph filters with stack tracer [FAIL]
# [18] ftrace - function graph filters [FAIL]
# [19] ftrace - function pid filters [FAIL]
# [20] ftrace - stacktrace filter command [FAIL]
# [21] ftrace - function trace with cpumask [FAIL]
# [22] ftrace - test for function event triggers [FAIL]
# [23] ftrace - function trace on module [FAIL]
# [24] ftrace - function profiling [FAIL]
# [25] ftrace - function profiler with function tracing [FAIL]
# [26] ftrace - test reading of set_ftrace_filter [FAIL]
# [27] ftrace - test for function traceon/off triggers [FAIL]
# [28] ftrace - test tracing error log support [FAIL]
# [29] Test creation and deletion of trace instances while setting an event
[FAIL]
# [30] Test creation and deletion of trace instances [FAIL]
# [31] Kprobe dynamic event - adding and removing [FAIL]
# [32] Kprobe dynamic event - busy event check [FAIL]
# [33] Kprobe dynamic event with arguments [FAIL]
# [34] Kprobe event with comm arguments [FAIL]
# [35] Kprobe event string type argument [FAIL]
# [36] Kprobe event symbol argument [FAIL]
# [37] Kprobe event argument syntax [FAIL]
# [38] Kprobes event arguments with types [FAIL]
# [39] Kprobe event user-memory access [FAIL]
# [40] Kprobe event auto/manual naming [FAIL]
# [41] Kprobe dynamic event with function tracer [FAIL]
# [42] Kprobe event parser error log check [FAIL]
# [43] Kretprobe dynamic event with arguments [FAIL]
# [44] Kretprobe dynamic event with maxactive [FAIL]
# [45] Register/unregister many kprobe events [FAIL]
# [46] Kprobe dynamic event - adding and removing [FAIL]
# [47] Uprobe event parser error log check [FAIL]
# [48] test for the preemptirqsoff tracer [FAIL]
# [49] Meta-selftest [FAIL]
# [50] Test wakeup tracer [FAIL]
# [51] Test wakeup RT tracer [FAIL]
# [52] event trigger - test inter-event histogram trigger expected fail
actions [FAIL]
# [53] event trigger - test field variable support [FAIL]
# [54] event trigger - test multiple actions on hist trigger [FAIL]
# [55] event trigger - test inter-event histogram trigger onchange action
[FAIL]
# [56] event trigger - test inter-event histogram trigger onmatch action
[FAIL]
# [57] event trigger - test inter-event histogram trigger onmatch-onmax
action [FAIL]
# [58] event trigger - test inter-event histogram trigger onmax action
[FAIL]
# [59] event trigger - test inter-event histogram trigger snapshot action
[FAIL]
# [60] event trigger - test synthetic_events syntax parser [FAIL]
# [61] event trigger - test inter-event histogram trigger trace action
[FAIL]
# [62] event trigger - test event enable/disable trigger [FAIL]
# [63] event trigger - test trigger filter [FAIL]
# [64] event trigger - test histogram modifiers [FAIL]
# [65] event trigger - test multiple histogram triggers [FAIL]
# [66] event trigger - test snapshot-trigger [FAIL]
# [67] event trigger - test stacktrace-trigger [FAIL]
# [68] trace_marker trigger - test snapshot trigger [FAIL]
# [69] trace_marker trigger - test histogram with synthetic event against
kernel event [FAIL]
# [70] trace_marker trigger - test histogram with synthetic event [FAIL]
# [71] event trigger - test traceon/off trigger [FAIL]
# [72] (instance) Basic test for tracers [FAIL]
# [73] (instance) Basic trace clock test [FAIL]
# [74] (instance) Change the ringbuffer size [FAIL]
# [75] (instance) Snapshot and tracing setting [FAIL]
# [76] (instance) trace_pipe and trace_marker [FAIL]
# [77] (instance) event tracing - enable/disable with event level files
[FAIL]
# [78] (instance) event tracing - restricts events based on pid [FAIL]
# [79] (instance) event tracing - enable/disable with subsystem level files
[FAIL]
# [80] (instance) ftrace - stacktrace filter command [FAIL]
# [81] (instance) ftrace - test for function event triggers [FAIL]
# [82] (instance) ftrace - test for function traceon/off triggers [FAIL]
# [83] (instance) event trigger - test event enable/disable trigger [FAIL]
# [84] (instance) event trigger - test trigger filter [FAIL]
# [85] (instance) event trigger - test histogram modifiers [FAIL]
# [86] (instance) event trigger - test multiple histogram triggers [FAIL]
# [87] (instance) trace_marker trigger - test snapshot trigger [FAIL]
# ./ftracetest: 49: cannot create set_ftrace_filter: Permission denied
# grep: set_ftrace_filter: No such file or directory
#
# # of passed: 0
# # of failed: 87
# # of unresolved: 0
# # of untested: 0
# # of unsupported: 0
# # of xfailed: 0
# # of undefined(test bug): 0
not ok 1 selftests: ftrace: ftracetest # exit=1
make[1]: Leaving directory
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/ftrace'
make: Leaving directory
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests'
After attempting to run this manually the logs, (attached to this bug) all
are appended with:
./ftracetest: 49: cannot create set_ftrace_filter: Permission denied
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