https://bugzilla.kernel.org/show_bug.cgi?id=219588 Bug ID: 219588 Summary: [6.13.0-rc2+]WARNING: CPU: 52 PID: 12253 at arch/x86/kvm/mmu/tdp_mmu.c:1001 tdp_mmu_map_handle_target_level+0x1f0/0x310 [kvm] Product: Virtualization Version: unspecified Hardware: Intel OS: Linux Status: NEW Severity: normal Priority: P3 Component: kvm Assignee: virtualization_kvm@xxxxxxxxxxxxxxxxxxxx Reporter: leiyang@xxxxxxxxxx Regression: No Hello I hit a bug on the intel host, this problem occurs randomly: [ 406.127925] ------------[ cut here ]------------ [ 406.132572] WARNING: CPU: 52 PID: 12253 at arch/x86/kvm/mmu/tdp_mmu.c:1001 tdp_mmu_map_handle_target_level+0x1f0/0x310 [kvm] [ 406.143883] Modules linked in: vhost_net vhost vhost_iotlb tap tun isofs cdrom bluetooth nfsv3 rpcsec_gss_krb5 nfsv4 dns_resolver nfs netfs tls nft_masq nft_ct nft_reject_ipv4 nf_reject_ipv4 nft_reject nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables rpcrdma rdma_cm iw_cm ib_cm ib_core bridge stp llc rfkill intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common intel_ifs i10nm_edac skx_edac_common nfit libnvdimm x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel dax_hmem pmt_telemetry cxl_acpi iTCO_wdt kvm ipmi_ssif dell_pc iTCO_vendor_support cxl_port mgag200 cxl_core rapl isst_if_mbox_pci dell_smbios intel_sdsi isst_if_mmio pmt_class i2c_i801 i2c_algo_bit dell_wmi_descriptor tg3 intel_cstate intel_vsec wmi_bmof einj platform_profile isst_if_common dcdbas intel_uncore ipmi_si acpi_power_meter i2c_smbus sg i2c_ismt mei_me mei acpi_ipmi pcspkr ipmi_devintf ipmi_msghandler nfsd auth_rpcgss nfs_acl fuse loop lockd grace nfs_localio sunrpc nfnetlink xfs sd_mod [ 406.143941] iaa_crypto ahci libahci crct10dif_pclmul crc32_pclmul idxd crc32c_intel libata megaraid_sas ghash_clmulni_intel idxd_bus wmi pinctrl_emmitsburg dm_mirror dm_region_hash dm_log dm_mod [ 406.251266] CPU: 52 UID: 0 PID: 12253 Comm: qemu-kvm Kdump: loaded Not tainted 6.13.0-rc2+ #1 [ 406.259802] Hardware name: Dell Inc. PowerEdge R760/0024FG, BIOS 2.1.5 03/14/2024 [ 406.267298] RIP: 0010:tdp_mmu_map_handle_target_level+0x1f0/0x310 [kvm] [ 406.273973] Code: 01 74 04 a8 80 74 25 48 8b 0d 54 5f 1b 00 4c 8b 04 24 41 bd 05 00 00 00 48 85 c8 0f 84 ee fe ff ff 49 85 c8 0f 85 e5 fe ff ff <0f> 0b 8d 44 d2 03 ba 01 00 00 00 49 8b 3c 24 c4 e2 f9 f7 d2 48 c1 [ 406.292734] RSP: 0018:ff4af92c619cf8c0 EFLAGS: 00010246 [ 406.297980] RAX: 860000025e000bf7 RBX: ff4af92c619cf920 RCX: 0400000000000000 [ 406.305130] RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000015 [ 406.312284] RBP: ff4af92c619cf9e8 R08: 800000025e0009f5 R09: 0000000000000002 [ 406.319438] R10: 000000005e000901 R11: 0000000000000001 R12: ff1e70694fc68000 [ 406.326587] R13: 0000000000000005 R14: 0000000000000000 R15: ff4af92c619a1000 [ 406.333741] FS: 00007efceb5fe6c0(0000) GS:ff1e7087bf700000(0000) knlGS:0000000000000000 [ 406.341881] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 406.347632] CR2: 00007fbb241f0710 CR3: 00000001139f0003 CR4: 0000000000f73ef0 [ 406.354782] PKRU: 55555554 [ 406.357512] Call Trace: [ 406.359985] <TASK> [ 406.362108] ? show_trace_log_lvl+0x1b0/0x2f0 [ 406.366491] ? show_trace_log_lvl+0x1b0/0x2f0 [ 406.370869] ? kvm_tdp_mmu_map+0x304/0x320 [kvm] [ 406.375550] ? tdp_mmu_map_handle_target_level+0x1f0/0x310 [kvm] [ 406.381614] ? __warn.cold+0x93/0xf4 [ 406.385211] ? tdp_mmu_map_handle_target_level+0x1f0/0x310 [kvm] [ 406.391277] ? report_bug+0xff/0x140 [ 406.394876] ? handle_bug+0x53/0x90 [ 406.398382] ? exc_invalid_op+0x17/0x70 [ 406.402242] ? asm_exc_invalid_op+0x1a/0x20 [ 406.406445] ? tdp_mmu_map_handle_target_level+0x1f0/0x310 [kvm] [ 406.412511] kvm_tdp_mmu_map+0x304/0x320 [kvm] [ 406.417020] kvm_tdp_page_fault+0xbf/0xf0 [kvm] [ 406.421623] kvm_mmu_do_page_fault+0x1d9/0x210 [kvm] [ 406.426657] kvm_mmu_page_fault+0x89/0x360 [kvm] [ 406.431343] vmx_handle_exit+0x12/0x50 [kvm_intel] [ 406.436165] vcpu_enter_guest.constprop.0+0x5cf/0xe80 [kvm] [ 406.441806] ? kvm_apic_update_irr+0x23/0x50 [kvm] [ 406.446667] ? vmx_sync_pir_to_irr+0xd5/0x110 [kvm_intel] [ 406.452095] vcpu_run+0x2f/0x240 [kvm] [ 406.455913] kvm_arch_vcpu_ioctl_run+0x103/0x490 [kvm] [ 406.461114] kvm_vcpu_ioctl+0x20b/0x770 [kvm] [ 406.465519] __x64_sys_ioctl+0x94/0xc0 [ 406.469288] do_syscall_64+0x7d/0x160 [ 406.472971] ? select_idle_sibling+0x41/0x750 [ 406.477350] ? select_task_rq_fair+0x1f5/0x3b0 [ 406.481821] ? sched_clock+0x10/0x30 [ 406.485417] ? sched_clock_cpu+0xf/0x1d0 [ 406.489361] ? __smp_call_single_queue+0xab/0x110 [ 406.494087] ? ttwu_queue_wakelist+0xe5/0x100 [ 406.498469] ? try_to_wake_up+0x2a2/0x600 [ 406.502499] ? wake_up_q+0x4e/0x90 [ 406.505923] ? futex_wake+0x177/0x1a0 [ 406.509608] ? do_futex+0x125/0x190 [ 406.513116] ? __x64_sys_futex+0x127/0x1e0 [ 406.517225] ? syscall_exit_to_user_mode_prepare+0x15e/0x1a0 [ 406.522899] ? syscall_exit_to_user_mode+0x32/0x190 [ 406.527799] ? do_syscall_64+0x89/0x160 [ 406.531656] ? syscall_exit_to_user_mode_prepare+0x15e/0x1a0 [ 406.537333] ? syscall_exit_to_user_mode+0x32/0x190 [ 406.542227] ? do_syscall_64+0x89/0x160 [ 406.546087] ? exc_page_fault+0x73/0x160 [ 406.550028] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 406.555100] RIP: 0033:0x7f1bbab08ebf [ 406.558721] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 18 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 406.577484] RSP: 002b:00007efceb5fd4c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 406.585068] RAX: ffffffffffffffda RBX: 0000559776de3e80 RCX: 00007f1bbab08ebf [ 406.592217] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000001e [ 406.599367] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 406.606520] R10: 0000000000000000 R11: 0000000000000246 R12: 948ed561ee19de00 [ 406.613670] R13: 000000000000ae80 R14: 00007efcebdffe50 R15: fffffffffffffd10 [ 406.620822] </TASK> [ 406.623029] ---[ end trace 0000000000000000 ]--- I also can not sure it is a CPU issues or a memory issues, due to the "12253" is a active vcpu PID, so report this bug on kvm.Please correct me if I'm wrong. -- You may reply to this email to add a comment. 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