@zhanglei-mao have you tried to update the kernel? Does it still happen also with a more recent 5.4?
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1976511 Title: kernel taint ( warning ) caused by smpboot.c: on 5.4.0 Status in linux package in Ubuntu: Confirmed Bug description: Apr 6 02:33:31 G292-280 kernel: [ 0.007531] ------------[ cut here ]------------ Apr 6 02:33:31 G292-280 kernel: [ 0.007531] sched: CPU #20's llc-sibling CPU #0 is not on the same node! [node: 1 != 0]. Ignoring dependency. Apr 6 02:33:31 G292-280 kernel: [ 0.007531] WARNING: CPU: 20 PID: 0 at /build/linux-hwe-5.4-9Mb2g5/linux-hwe-5.4-5.4.0/arch/x86/kernel/smpboot.c:426 topology_sane.isra.9+0x6c/0x70 Apr 6 02:33:31 G292-280 kernel: [ 0.007531] Modules linked in: Apr 6 02:33:31 G292-280 kernel: [ 0.007531] CPU: 20 PID: 0 Comm: swapper/20 Not tainted 5.4.0-107-generic #121~18.04.1-Ubuntu Apr 6 02:33:31 G292-280 kernel: [ 0.007531] Hardware name: GIGABYTE G292-280-00/MG52-G20-00, BIOS F02 10/28/2021 Apr 6 02:33:31 G292-280 kernel: [ 0.007531] RIP: 0010:topology_sane.isra.9+0x6c/0x70 Apr 6 02:33:31 G292-280 kernel: [ 0.007531] Code: 41 5c 5d c3 80 3d 1e 75 ba 01 00 75 ec 89 f1 41 89 d9 89 fe 45 89 e0 48 c7 c7 b8 00 b4 a6 c6 05 04 75 ba 01 01 e8 b4 c7 03 00 <0f> 0b eb cb 0f 1f 44 00 00 55 0f b6 05 a3 8d f0 01 c6 05 9c 8d f0 Apr 6 02:33:31 G292-280 kernel: [ 0.007531] RSP: 0000:ffffb76b58e17eb8 EFLAGS: 00010086 Apr 6 02:33:31 G292-280 kernel: [ 0.007531] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa7264e88 Apr 6 02:33:31 G292-280 kernel: [ 0.007531] RDX: ffffffffa7264e88 RSI: 0000000000000096 RDI: 0000000000000046 Apr 6 02:33:31 G292-280 kernel: [ 0.007531] RBP: ffffb76b58e17ec8 R08: 0000000000000000 R09: 000000000002f680 Apr 6 02:33:31 G292-280 kernel: [ 0.007531] R10: ffff8b69bf800000 R11: 00000000000002c0 R12: 0000000000000001 Apr 6 02:33:31 G292-280 kernel: [ 0.007531] R13: 0000000000000014 R14: 0000000000000014 R15: 0000000000000002 Apr 6 02:33:31 G292-280 kernel: [ 0.007531] FS: 0000000000000000(0000) GS:ffff8b69bf800000(0000) knlGS:0000000000000000 Apr 6 02:33:31 G292-280 kernel: [ 0.007531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Apr 6 02:33:31 G292-280 kernel: [ 0.007531] CR2: 0000000000000000 CR3: 0000007ee1a0a001 CR4: 0000000000760ee0 Apr 6 02:33:31 G292-280 kernel: [ 0.007531] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Apr 6 02:33:31 G292-280 kernel: [ 0.007531] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Apr 6 02:33:31 G292-280 kernel: [ 0.007531] PKRU: 00000000 Apr 6 02:33:31 G292-280 kernel: [ 0.007531] Call Trace: Apr 6 02:33:31 G292-280 kernel: [ 0.007531] set_cpu_sibling_map+0x14f/0x600 Apr 6 02:33:31 G292-280 kernel: [ 0.007531] start_secondary+0x6e/0x1c0 Apr 6 02:33:31 G292-280 kernel: [ 0.007531] secondary_startup_64+0xa4/0xb0 Apr 6 02:33:31 G292-280 kernel: [ 0.007531] ---[ end trace 789d1f3abd3d96d4 ]--- To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1976511/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp