Is it possible that this: [ 7.727080] ACPI BIOS Error (bug): Could not resolve symbol [\_TZ.ETMD], AE_NOT_FOUND (20230628/psargs-335) [ 7.728470] ACPI Error: Aborting method \_SB.IETM._OSC due to previous error (AE_NOT_FOUND) (20230628/psparse-529) is somehow related to: unreferenced object 0xffff944e85013d58 (size 56): comm "thermald", pid 966, jiffies 4294674933 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 0d 01 2d 00 00 00 00 00 ..........-..... 94 8c 05 80 51 b8 ff ff 00 00 00 00 00 00 00 00 ....Q........... backtrace (crc 41e9984d): [<000000004b53f9d1>] kmem_cache_alloc+0x256/0x340 [<000000008d9ead3a>] acpi_ps_alloc_op+0xbf/0xd0 [<000000002f1e617e>] acpi_ps_get_next_arg+0xbb/0x6a0 [<00000000b697bac7>] acpi_ps_parse_loop+0x466/0x6b0 [<000000008dbc2acb>] acpi_ps_parse_aml+0x80/0x3c0 [<00000000b26066ae>] acpi_ps_execute_method+0x13f/0x270 [<00000000f80592ab>] acpi_ns_evaluate+0x12b/0x2c0 [<00000000bbc91886>] acpi_evaluate_object+0x14e/0x310 [<000000005729c43d>] acpi_run_osc+0x158/0x270 [<00000000e6666993>] int3400_thermal_run_osc+0x73/0xc0 [int3400_thermal] [<000000000a474314>] current_uuid_store+0xd5/0x110 [int3400_thermal] [<00000000e27be786>] kernfs_fop_write_iter+0x13e/0x1f0 [<00000000992f9e08>] vfs_write+0x293/0x460 [<000000008b9e130c>] ksys_write+0x6d/0xf0 [<000000007d501d09>] do_syscall_64+0x85/0x170 [<0000000073c5a34b>] entry_SYSCALL_64_after_hwframe+0x6c/0x74 (recently observed on 6.9.0-rc1) Dmitry