https://autobuilder.yoctoproject.org/typhoon/#/builders/110/builds/2335

RESULTS - stap.StapTest.test_stap: FAILED (9001.34s)
RESULTS - systemd.SystemdBasicTests.test_systemd_basic: FAILED (603.69s)
RESULTS - xorg.XorgTest.test_xorg_running: FAILED (1207.28s)

systemtap caused a backtrace:

[pokybuild@fedora31-ty-1 testimage]$ tail qemu_boot_log.20210517093310 -n 30
[[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m.
[[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m.
Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m...
[[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m.

Poky (Yocto Project Reference Distro) 3.3.1 qemuarm hvc0

qemuarm login: [ 3211.907088] hellomod: loading out-of-tree module taints kernel.
[ 3211.939094] Hello world!
[ 3217.175063] Cleaning up hellomod.
[ 3409.544902] systemd-journald[132]: Received client request to rotate journal.
[ 3922.288425] Kprobes globally unoptimized
[ 3923.225979] Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in:
enter_be_probe.constprop.0+0x98/0x198 [stap_20380]
[ 3923.228872] CPU: 0 PID: 20380 Comm: stapio Tainted: G O 5.4.116-yocto-standard #1
[ 3923.229389] Hardware name: Generic DT based system
[ 3923.230646] [<c0210bf8>] (unwind_backtrace) from [<c020ba20>] (show_stack+0x18/0x1c)
[ 3923.231126] [<c020ba20>] (show_stack) from [<c09ce8b0>] (dump_stack+0x84/0xa0)
[ 3923.231472] [<c09ce8b0>] (dump_stack) from [<c09c7abc>] (panic+0x114/0x328)
[ 3923.231898] [<c09c7abc>] (panic) from [<c022df90>] (__stack_chk_fail+0x18/0x1c)
[ 3923.232265] [<c022df90>] (__stack_chk_fail) from [<bf00ac88>] (enter_be_probe.constprop.0+0x98/0x198
[stap_20380])
[ 3923.232984] [<bf00ac88>] (enter_be_probe.constprop.0 [stap_20380]) from [<bf00b4c4>]
(_stp_ctl_write_cmd+0x448/0x7f8 [stap_20380])
[ 3923.233486] [<bf00b4c4>] (_stp_ctl_write_cmd [stap_20380]) from [<c0503fe4>] (full_proxy_write+0x50/0x64)
[ 3923.233894] [<c0503fe4>] (full_proxy_write) from [<c0396264>] (vfs_write+0xa0/0xc4)
[ 3923.234242] [<c0396264>] (vfs_write) from [<c0396df4>] (ksys_write+0x7c/0xcc)
[ 3923.234614] [<c0396df4>] (ksys_write) from [<c0201000>] (ret_fast_syscall+0x0/0x4c)
[ 3923.235082] Exception stack(0xd454dfa8 to 0xd454dff0)
[ 3923.235433] dfa0: 0000000c be91e64c 00000004 be91e64c 0000000c 00000000
[ 3923.235823] dfc0: 0000000c be91e64c b6f4d550 00000004 00443094 0044301c 00020002 00443048
[ 3923.236168] dfe0: 00000004 be91e628 b6f1a1e1 b6f1c056
[ 3923.237303] ---[ end Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in:
enter_be_probe.constprop.0+0x98/0x198 [stap_20380] ]---

which locked up qemu.

Cheers,

Richard