[ 1440.206961] Finishing worker test
[ 1440.209645] uhhh...
[ 1440.214603] uhhh...
[ 1440.219644] uhhh...
[ 1500.222778] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 1500.222783] rcu:     3-....: (28553 ticks this GP) idle=74a4/1/0x4000000000000000 softirq=29486/29486 fqs=12492
[ 1500.222792] rcu:     (t=60001 jiffies g=324245 q=5606 ncpus=16)
[ 1500.222802] CPU: 3 UID: 0 PID: 2469 Comm: example-3 Kdump: loaded Tainted: G           OE     -------  ---  6.11.0-
0.rc3.20240814git6b0f8db921ab.32.eln142.x86_64 #1
[ 1500.222807] Tainted: [O]=OOT_MODULE, [E]=UNSIGNED_MODULE
[ 1500.222808] Hardware name: Dell Inc. PowerEdge R7525/0590KW, BIOS 2.7.3 03/30/2022
[ 1500.222811] RIP: 0010:console_flush_all+0x1fe/0x3a0
[ 1500.222829] Code: 01 00 00 8b 34 24 48 c7 c7 80 1b 5e a5 e8 0a 8c 01 00 45 88 2c 24 e8 31 17 00 00 80 e7 02 0f 84 a
5 00 00 00 fb 41 80 3c 24 00 <0f> 85 a4 00 00 00 49 8b 47 58 49 39 06 73 03 49 89 06 8b 05 6a ec
[ 1500.222831] RSP: 0018:ffffb08c435dfd80 EFLAGS: 00000246
[ 1500.222834] RAX: 0000000000000000 RBX: 0000000000000246 RCX: 0000000000000003
[ 1500.222836] RDX: 0000000000000001 RSI: 0000000000000046 RDI: ffffffffa6176a78
[ 1500.222838] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[ 1500.222839] R10: ffffb08c435dfcb8 R11: 0000000068686875 R12: ffffb08c435dfdef
[ 1500.222841] R13: 0000000000000000 R14: ffffb08c435dfdf0 R15: ffffffffa56d9700
[ 1500.222843] FS:  0000000000000000(0000) GS:ffff9234f7380000(0000) knlGS:0000000000000000
[ 1500.222845] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1500.222847] CR2: 00007fd497754020 CR3: 00000002926ee000 CR4: 0000000000350ef0
[ 1500.222848] Call Trace:
[ 1500.222850]  <IRQ>
[ 1500.222854]  ? show_trace_log_lvl+0x1b0/0x2f0
[ 1500.222863]  ? show_trace_log_lvl+0x1b0/0x2f0
[ 1500.222866]  ? console_unlock+0x8a/0xf0
[ 1500.222869]  ? rcu_dump_cpu_stacks+0xa6/0xf0
[ 1500.222876]  ? print_cpu_stall.cold+0x36/0xd3
[ 1500.222878]  ? check_cpu_stall+0x10b/0x210
[ 1500.222883]  ? rcu_pending+0x2f/0x220
[ 1500.222885]  ? rcu_sched_clock_irq+0xa8/0x320
[ 1500.222889]  ? update_process_times+0x6d/0xb0
[ 1500.222893]  ? tick_nohz_handler+0x8f/0x140
[ 1500.222899]  ? __pfx_tick_nohz_handler+0x10/0x10
[ 1500.222902]  ? __hrtimer_run_queues+0x13c/0x2a0
[ 1500.222905]  ? hrtimer_interrupt+0xfa/0x210
[ 1500.222908]  ? __sysvec_apic_timer_interrupt+0x55/0x100
[ 1500.222915]  ? sysvec_apic_timer_interrupt+0x6c/0x90
[ 1500.222920]  </IRQ>
[ 1500.222920]  <TASK>
[ 1500.222921]  ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1500.222929]  ? console_flush_all+0x1fe/0x3a0
[ 1500.222933]  console_unlock+0x8a/0xf0
[ 1500.222936]  vprintk_emit+0x1cc/0x270
[ 1500.222946]  ? __pfx_worker+0x10/0x10 [kthread_noise]
[ 1500.222951]  _printk+0x6c/0x87
[ 1500.222954]  ? __pfx_process_timeout+0x10/0x10
[ 1500.222961]  worker.cold+0xc/0xf81 [kthread_noise]
[ 1500.222963]  kthread+0xd2/0x100
[ 1500.222968]  ? __pfx_kthread+0x10/0x10
[ 1500.222970]  ret_from_fork+0x34/0x50
[ 1500.222973]  ? __pfx_kthread+0x10/0x10
[ 1500.222975]  ret_from_fork_asm+0x1a/0x30
[ 1500.222982]  </TASK>