WARNING: CPU: 57 PID: 1213 at kernel/irq/manage.c:1202 irq_thread+0x11f/0x170 "?

Solution Verified - Updated -

Issue

  • Why dmesg reports WARNING: CPU: 57 PID: 1213 at kernel/irq/manage.c:1202 irq_thread+0x11f/0x170 during unloading of ice driver?
[Sun Mar 31 11:34:12 2024] WARNING: CPU: 33 PID: 1416 at kernel/irq/manage.c:1215 irq_thread+0x135/0x180
...
[Sun Mar 31 11:34:12 2024] CPU: 33 PID: 1416 Comm: irq/540-s-ice-0 Kdump: loaded Not tainted 4.18.0-372.96.1.rt7.256.el8_6.x86_64 #1
[Sun Mar 31 11:34:12 2024] Hardware name: HPE ProLiant DL110 Gen10 Plus/ProLiant DL110 Gen10 Plus, BIOS U56 04/20/2023
[Sun Mar 31 11:34:12 2024] RIP: 0010:irq_thread+0x135/0x180
[Sun Mar 31 11:34:12 2024] Code: 85 a0 08 00 00 48 89 c7 48 89 04 24 e8 84 fb 87 00 4c 89 ef 48 89 de e8 d9 e9 ff ff 48 8b 04 24 48 89 c7 e8 2d fa 87 00 eb a0 <0f> 0b eb 9c c7 43 10 00 00 00 00 48 c7 c6 00 14 16 99 48 89 df e8
[Sun Mar 31 11:34:12 2024] RSP: 0018:ff610d6c0caf7ec0 EFLAGS: 00010246
[Sun Mar 31 11:34:12 2024] RAX: 0000000000000002 RBX: 0000000000000000 RCX: 0000000000000000
[Sun Mar 31 11:34:12 2024] RDX: ff4533f79650c000 RSI: ffffffff9a1098c7 RDI: 0000000000000000
[Sun Mar 31 11:34:12 2024] RBP: ff4533f7d5bc22c0 R08: 0000000000000001 R09: 000000008020001e
[Sun Mar 31 11:34:12 2024] R10: 000171d2d697fa23 R11: ff4534165ec68c04 R12: ff4533f7d5bc2280
[Sun Mar 31 11:34:12 2024] R13: ff4533f7bd422000 R14: ffffffff99161370 R15: 0000000000000001
[Sun Mar 31 11:34:12 2024] FS:  0000000000000000(0000) GS:ff4534165ec40000(0000) knlGS:0000000000000000
[Sun Mar 31 11:34:12 2024] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[Sun Mar 31 11:34:12 2024] CR2: 000055877f5f2000 CR3: 00000013d7c1a002 CR4: 0000000000771ea0
[Sun Mar 31 11:34:12 2024] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[Sun Mar 31 11:34:12 2024] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[Sun Mar 31 11:34:12 2024] PKRU: 55555554
[Sun Mar 31 11:34:12 2024] Call Trace:
[Sun Mar 31 11:34:12 2024]  ? preempt_count_add+0x70/0xa0
[Sun Mar 31 11:34:12 2024]  ? wake_threads_waitq+0x30/0x30
[Sun Mar 31 11:34:12 2024]  ? irq_thread_check_affinity+0x20/0x20
[Sun Mar 31 11:34:12 2024]  kthread+0x151/0x170
[Sun Mar 31 11:34:12 2024]  ? set_kthread_struct+0x50/0x50
[Sun Mar 31 11:34:12 2024]  ret_from_fork+0x1f/0x40
[Sun Mar 31 11:34:12 2024] ---[ end trace 0000000000000002 ]---

Environment

  • Red Hat Enterprise Linux 8.
  • kernel
  • kernel-RT

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