commit 7a5ee4aa61af causes warning on boot

Bert Karwatzki
2024-07-22T12:39:29Z

Since linux-next-20240722 the following warning is shown on boot which can
be bisected to commit 7a5ee4aa61af:

[ T1] ------------[ cut here ]------------
[ T1] WARNING: CPU: 0 PID: 1 at kernel/time/timer_migration.c:1742 tmigr_cpu_prepare+0x469/0x540
[ T1] Modules linked in:
[ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.10.0-rc6-bisect-00002-g7a5ee4aa61af-dirty #135
[ T1] Hardware name: Micro-Star International Co., Ltd. Alpha 15 B5EEK/MS-158L, BIOS E158LAMS.107 11/10/2021
[ T1] RIP: 0010:tmigr_cpu_prepare+0x469/0x540
[ T1] Code: fc 7d 00 0f b6 43 60 48 89 de 48 89 ef 48 8d 54 24 28 88 44 24 40 e8 16 fb ff ff 84 c0 75 94 48 83 7d 08 00 74 8d 0f 0b eb 89 <0f> 0b e9 d6 fb ff ff 48 89 ef eb 08 49 8b 7d 00 41 83 ec 01 48 8b
[ T1] RSP: 0018:ffffa2e3c0107d60 EFLAGS: 00010246
[ T1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ T1] RDX: ffff94edee61bcc0 RSI: 0000000000000040 RDI: 0000000000000000
[ T1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ T1] R10: ffffa2e3c0107d40 R11: ffffffff90099d48 R12: 0000000000000000
[ T1] R13: 0000000000017400 R14: 0000000000000040 R15: ffff94edee61bcc0
[ T1] FS: 0000000000000000(0000) GS:ffff94edee600000(0000) knlGS:0000000000000000
[ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ T1] CR2: ffff94e666c01000 CR3: 0000000826818000 CR4: 0000000000750ef0
[ T1] PKRU: 55555554
[ T1] Call Trace:
[ T1] <TASK>
[ T1] ? __warn+0x6a/0xc0
[ T1] ? tmigr_cpu_prepare+0x469/0x540
[ T1] ? report_bug+0x142/0x180
[ T1] ? handle_bug+0x3a/0x70
[ T1] ? exc_invalid_op+0x17/0x70
[ T1] ? asm_exc_invalid_op+0x1a/0x20
[ T1] ? tmigr_cpu_prepare+0x469/0x540
[ T1] ? srso_alias_return_thunk+0x5/0xfbef5
[ T1] ? prb_read_valid+0x16/0x20
[ T1] ? srso_alias_return_thunk+0x5/0xfbef5
[ T1] ? cpuhp_issue_call+0xf7/0x170
[ T1] ? __cpuhp_setup_state_cpuslocked+0x128/0x2c0
[ T1] ? tmigr_trigger_active+0x30/0x30
[ T1] ? tmigr_trigger_active+0x30/0x30
[ T1] ? __cpuhp_setup_state+0x5e/0xe0
[ T1] ? tick_nohz_init+0x120/0x120
[ T1] ? tmigr_init+0xd2/0x130
[ T1] ? tick_nohz_init+0x120/0x120
[ T1] ? do_one_initcall+0x70/0x2c0
[ T1] ? kernel_init_freeable+0xc5/0x260
[ T1] ? rest_init+0xc0/0xc0
[ T1] ? kernel_init+0x15/0x1b0
[ T1] ? ret_from_fork+0x2f/0x50
[ T1] ? rest_init+0xc0/0xc0
[ T1] ? ret_from_fork_asm+0x11/0x20
[ T1] </TASK>
[ T1] ---[ end trace 0000000000000000 ]---

Hardware: MSI Alpha 15 Notebook Ryzen 5800H (x86_64)

Bert Karwatzki