Linux guest kernel warning on boot

[michlz]

Hello,

I use Debian Trixie as guest system on Windows 10 host. I get this warning during boot:

[   14.090614] WARNING: CPU: 0 PID: 550 at kernel/rcu/tree_plugin.h:744 rcu_sched_clock_irq+0x7bf/0xb50
[   14.090620] Modules linked in: snd_timer(+) snd vboxguest(OE) edac_mce_amd(-) soundcore pcspkr joydev ac sg evdev serio_raw parport_pc ppdev lp parport efi_pstore configfs nfnetlink vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock vmw_vmci ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2 crc32c_generic dm_crypt dm_mod hid_generic usbhid hid ohci_pci sr_mod cdrom crct10dif_pclmul vmwgfx ehci_pci crc32_pclmul ohci_hcd crc32c_intel drm_ttm_helper ata_generic ghash_clmulni_intel sd_mod ttm ehci_hcd sha512_ssse3 ata_piix drm_kms_helper sha256_ssse3 psmouse libata virtio_scsi scsi_mod drm virtio_net usbcore net_failover failover sha1_ssse3 i2c_piix4 usb_common i2c_smbus scsi_common video battery wmi button aesni_intel gf128mul crypto_simd cryptd
[   14.090690] CPU: 0 UID: 0 PID: 550 Comm: (udev-worker) Tainted: G           OE      6.11.4-amd64 #1  Debian 6.11.4-1
[   14.090694] Tainted: [O]=OOT_MODULE, [E]=UNSIGNED_MODULE
[   14.090695] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
[   14.090697] RIP: 0010:rcu_sched_clock_irq+0x7bf/0xb50
[   14.090699] Code: 84 c0 0f 85 e3 fd ff ff 49 8b 45 08 49 39 87 c0 68 03 00 0f 85 12 fc ff ff 0f b6 45 14 84 c0 0f 84 cb fd ff ff e9 01 fc ff ff <0f> 0b e9 d6 f8 ff ff 4c 89 54 24 08 48 89 14 24 e8 cc ef fe ff 48
[   14.090701] RSP: 0018:ffffb6d500003df0 EFLAGS: 00010086
[   14.090704] RAX: 00000000ffffffff RBX: ffff8cde0e2c4c80 RCX: 0000000000000000
[   14.090706] RDX: 0000000000000000 RSI: 00000003473bc000 RDI: 0000000000000000
[   14.090707] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[   14.090708] R10: 0000000000000000 R11: ffffb6d500003ff8 R12: 0000000000000000
[   14.090709] R13: 0000000000000002 R14: ffff8cdf17c25fd8 R15: ffff8cdf17c25a80
[   14.090711] FS:  00007f11d05e8900(0000) GS:ffff8cdf17c00000(0000) knlGS:0000000000000000
[   14.090713] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.090714] CR2: 00005620df32c4f8 CR3: 000000014c448000 CR4: 00000000000506f0
[   14.090717] Call Trace:
[   14.090719]  <IRQ>
[   14.090721]  ? rcu_sched_clock_irq+0x7bf/0xb50
[   14.090723]  ? __warn.cold+0x8e/0xe8
[   14.090726]  ? rcu_sched_clock_irq+0x7bf/0xb50
[   14.090730]  ? report_bug+0xff/0x140
[   14.090734]  ? handle_bug+0x3c/0x80
[   14.090736]  ? exc_invalid_op+0x17/0x70
[   14.090739]  ? asm_exc_invalid_op+0x1a/0x20
[   14.090744]  ? rcu_sched_clock_irq+0x7bf/0xb50
[   14.090746]  ? srso_alias_return_thunk+0x5/0xfbef5
[   14.090748]  ? ttwu_do_activate+0x64/0x220
[   14.090751]  ? srso_alias_return_thunk+0x5/0xfbef5
[   14.090752]  ? srso_alias_return_thunk+0x5/0xfbef5
[   14.090754]  ? try_to_wake_up+0x236/0x5f0
[   14.090755]  ? srso_alias_return_thunk+0x5/0xfbef5
[   14.090758]  ? srso_alias_return_thunk+0x5/0xfbef5
[   14.090759]  ? update_load_avg+0x7e/0x7b0
[   14.090761]  ? sched_clock_cpu+0xf/0x1d0
[   14.090764]  ? srso_alias_return_thunk+0x5/0xfbef5
[   14.090767]  update_process_times+0x7d/0xc0
[   14.090771]  tick_nohz_handler+0x8f/0x140
[   14.090775]  ? __pfx_tick_nohz_handler+0x10/0x10
[   14.090778]  __hrtimer_run_queues+0x132/0x2a0
[   14.090782]  hrtimer_interrupt+0xfa/0x210
[   14.090786]  __sysvec_apic_timer_interrupt+0x55/0x100
[   14.090789]  sysvec_apic_timer_interrupt+0x6c/0x90
[   14.090792]  </IRQ>
[   14.090793]  <TASK>
[   14.090794]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[   14.090797] RIP: 0010:kallsyms_lookup+0x4/0x30
[   14.090800] Code: ff e9 70 ff ff ff e8 9b 36 b0 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 <0f> 1f 44 00 00 53 4d 89 c1 4c 89 c3 45 31 c0 e8 08 f5 ff ff 85 c0
[   14.090802] RSP: 0018:ffffb6d500643798 EFLAGS: 00000216
[   14.090804] RAX: 0000000000000000 RBX: ffff8cde20d5cc60 RCX: ffffb6d5006437b0
[   14.090805] RDX: ffffb6d5006437a8 RSI: ffffb6d5006437a0 RDI: ffffffffc0cb8014
[   14.090807] RBP: ffff8cde025a8640 R08: ffffb6d5006437be R09: 0000000000000000
[   14.090808] R10: ffffb6d500643a88 R11: 0000000000000000 R12: ffffb6d5006437be
[   14.090809] R13: ffff8cde025a8640 R14: ffff8cde20d5cc60 R15: ffff8cde516363c0
[   14.090813]  ? vgdrvLinuxModInit+0x4/0xff0 [vboxguest]
[   14.090839]  ? pick_eevdf+0x78/0x1a0
[   14.090841]  save_ftrace_mod_rec+0x8a/0x140
[   14.090856]  ftrace_free_mem+0x2f3/0x420
[   14.090859]  ? 0xffffffffc0cb8000
[   14.090865]  ? 0xffffffffc0cb8000
[   14.090868]  do_init_module+0xb8/0x230
[   14.090871]  init_module_from_file+0x89/0xe0
[   14.090877]  idempotent_init_module+0x121/0x320
[   14.090881]  __x64_sys_finit_module+0x5e/0xb0
[   14.090885]  do_syscall_64+0x82/0x190
[   14.090887]  ? srso_alias_return_thunk+0x5/0xfbef5
[   14.090889]  ? restore_fpregs_from_fpstate+0x3c/0xa0
[   14.090893]  ? srso_alias_return_thunk+0x5/0xfbef5
[   14.090894]  ? switch_fpu_return+0x4e/0xd0
[   14.090897]  ? srso_alias_return_thunk+0x5/0xfbef5
[   14.090899]  ? syscall_exit_to_user_mode+0x172/0x210
[   14.090901]  ? srso_alias_return_thunk+0x5/0xfbef5
[   14.090903]  ? do_syscall_64+0x8e/0x190
[   14.090908]  ? srso_alias_return_thunk+0x5/0xfbef5
[   14.090910]  ? __seccomp_filter+0x303/0x520
[   14.090915]  ? srso_alias_return_thunk+0x5/0xfbef5
[   14.090916]  ? syscall_exit_to_user_mode+0x4d/0x210
[   14.090919]  ? srso_alias_return_thunk+0x5/0xfbef5
[   14.090920]  ? do_syscall_64+0x8e/0x190
[   14.090922]  ? srso_alias_return_thunk+0x5/0xfbef5
[   14.090923]  ? do_user_addr_fault+0x36c/0x620
[   14.090927]  ? srso_alias_return_thunk+0x5/0xfbef5
[   14.090929]  ? srso_alias_return_thunk+0x5/0xfbef5
[   14.090931]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   14.090934] RIP: 0033:0x7f11d0796839
[   14.090936] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d b7 85 0d 00 f7 d8 64 89 01 48
[   14.090938] RSP: 002b:00007fff49a9f488 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   14.090940] RAX: ffffffffffffffda RBX: 000055be602a20f0 RCX: 00007f11d0796839
[   14.090941] RDX: 0000000000000000 RSI: 00007f11d05e0541 RDI: 000000000000001d
[   14.090942] RBP: 0000000000000000 R08: 00007f11d086fb20 R09: 000055be601a0770
[   14.090944] R10: 0000000000000040 R11: 0000000000000246 R12: 00007f11d05e0541
[   14.090945] R13: 0000000000020000 R14: 000055be602a4500 R15: 0000000000000000
[   14.090949]  </TASK>
[   14.090950] ---[ end trace 0000000000000000 ]---

It doesn't happen everytime, and after guest OS reboot (without VM shutdown) there is usually no warning anymore. It looks like there is anything wrong with VM / Guest Additions?

Regards, Zbynek

[galitsyn]

Duplicate of #22218.