Crash reboot KVM host
Can someone advice here why KVM host crashed rebooted:
[65887025.539830] WARNING: CPU: 15 PID: 391715 at mm/page_counter.c:62 page_counter_cancel+0x26/0x30
[65887025.539833] Modules linked in: joydev veth vhost_net vhost tap tun binfmt_misc xsk_diag raw_diag unix_diag af_packet_diag netlink_diag tcp_diag udp_diag inet_diag nf_conntrack_netlink overlay geneve ip6_udp_tunnel udp_tunnel openvswitch nf_nat_ipv6 nf_nat_ipv4
nf_conncount nf_nat nls_utf8 isofs rpcrdma ib_isert iscsi_target_mod nf_log_ipv6 nf_log_ipv4 nf_log_common nft_limit ib_iser ib_srpt target_core_mod nf_conntrack_ipv6 nf_defrag_ipv6 ib_srp scsi_transport_srp nf_conntrack_ipv4 nf_defrag_ipv4 nft_counter ib_ipoib rdm
a_ucm xt_LOG xt_limit xt_multiport xt_comment xt_state xt_conntrack ib_umad nft_compat nf_tables nfnetlink i40iw iw_cxgb4 ib_uverbs rdma_cm iw_cm ib_cm ib_core intel_rapl_msr intel_rapl_common skx_edac nfit libnvdimm iTCO_wdt iTCO_vendor_support x86_pkg_temp_thermal
intel_powerclamp coretemp kvm_intel kvm irqbypass intel_cstate ipmi_ssif intel_uncore mei_me i2c_i801 lpc_ich intel_rapl_perf pcspkr ioatdma mei dca wmi ipmi_si ipmi_devintf ipmi_msghandler acpi_pad
[65887025.539881] acpi_power_meter nf_conntrack ip_tables xfs libcrc32c sd_mod sg mgag200 drm_vram_helper i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops crct10dif_pclmul ttm crc32_pclmul crc32c_intel i40e drm ghash_clmulni_intel ahci mega
raid_sas libahci libata cdc_ether usbnet mii dm_multipath sunrpc dm_mirror dm_region_hash dm_log dm_mod be2iscsi bnx2i cnic uio cxgb4i cxgb4 libcxgbi libcxgb qla4xxx iscsi_boot_sysfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi
[65887025.539908] CPU: 15 PID: 391715 Comm: CPU 2/KVM Kdump: loaded Not tainted 4.18.0-193.28.1.el8_2.x86_64 #1
[65887025.539911] Hardware name: Lenovo ThinkSystem SR630 -[7X02CTO1WW]-/-[7X02CTO1WW]-, BIOS -[IVE164L-2.80]- 10/23/2020
[65887025.539913] RIP: 0010:page_counter_cancel+0x26/0x30
[65887025.539916] Code: 1f 44 00 00 0f 1f 44 00 00 48 89 f0 53 48 f7 d8 f0 48 0f c1 07 48 29 f0 48 89 c3 48 89 c6 e8 61 ff ff ff 48 85 db 78 02 5b c3 <0f> 0b 5b c3 66 0f 1f 44 00 00 0f 1f 44 00 00 48 85 ff 74 41 41 55
[65887025.539917] RSP: 0018:ffff9805f2383320 EFLAGS: 00010286
[65887025.539919] RAX: 0000000000000000 RBX: ffff8af995f9dca9 RCX: 0000000000000000
[65887025.539920] RDX: ffff8b417e1e1138 RSI: 0000000000000000 RDI: ffff8b416350c138
[65887025.539921] RBP: 0000000000000001 R08: ffff9805f2383440 R09: 000000000000007e
[65887025.539922] R10: 000000000000001f R11: 0000000000000020 R12: ffff9805f2383368
[65887025.539923] R13: ffff9805f2383440 R14: ffffbe177692bf88 R15: dead000000000200
[65887025.539925] FS: 00007fa25dffb700(0000) GS:ffff8b417f6c0000(0000) knlGS:0000000000000000
[65887025.539926] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[65887025.539927] CR2: 00007f98e16d9390 CR3: 0000006e74e8c001 CR4: 00000000007626e0
[65887025.539928] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[65887025.539929] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[65887025.539929] PKRU: 55555554
[65887025.539930] Call Trace:
[65887025.539939] page_counter_uncharge+0x1d/0x30
[65887025.539942] uncharge_batch+0x33/0x2e0
[65887025.539946] mem_cgroup_uncharge_list+0x64/0x90
[65887025.539953] shrink_page_list+0x47f/0xc60
[65887025.539956] shrink_inactive_list+0x207/0x590
[65887025.539959] shrink_node_memcg+0x1fd/0x7a0
[65887025.539962] shrink_node+0xce/0x3f0
[65887025.539964] do_try_to_free_pages+0xc3/0x360
[65887025.539967] try_to_free_pages+0xe8/0x1c0
[65887025.539972] __alloc_pages_slowpath+0x3ad/0xd60
[65887025.539976] __alloc_pages_nodemask+0x245/0x280
[65887025.539979] do_huge_pmd_anonymous_page+0x131/0x750
[65887025.539985] __handle_mm_fault+0x689/0x6a0
[65887025.539988] handle_mm_fault+0xda/0x200
[65887025.539990] __get_user_pages+0x260/0x7a0
[65887025.539993] get_user_pages_unlocked+0x15b/0x1f0
[65887025.540034] __gfn_to_pfn_memslot+0x126/0x3f0 [kvm]
[65887025.540055] ? kvm_irq_delivery_to_apic_fast+0x267/0x3d0 [kvm]
[65887025.540073] try_async_pf+0x8d/0x260 [kvm]
[65887025.540093] tdp_page_fault+0x143/0x2b0 [kvm]
[65887025.540111] kvm_mmu_page_fault+0x75/0x5d0 [kvm]
[65887025.540117] ? apic_timer_interrupt+0xa/0x20
[65887025.540121] ? x86_virt_spec_ctrl+0x68/0xe0
[65887025.540138] vcpu_enter_guest+0x315/0x1680 [kvm]
[65887025.540156] ? __apic_accept_irq+0x1a1/0x2e0 [kvm]
[65887025.540173] kvm_arch_vcpu_ioctl_run+0xcf/0x540 [kvm]
[65887025.540188] kvm_vcpu_ioctl+0x232/0x5f0 [kvm]
[65887025.540191] ? __handle_mm_fault+0x67c/0x6a0
[65887025.540195] do_vfs_ioctl+0xa4/0x630
[65887025.540198] ksys_ioctl+0x60/0x90
[65887025.540200] __x64_sys_ioctl+0x16/0x20
[65887025.540205] do_syscall_64+0x5b/0x1a0
[65887025.540207] entry_SYSCALL_64_after_hwframe+0x65/0xca
[65887025.540211] RIP: 0033:0x7fa2ba20287b
[65887025.540214] Code: 0f 1e fa 48 8b 05 0d 96 2c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d dd 95 2c 00 f7 d8 64 89 01 48
[65887025.540215] RSP: 002b:00007fa25dffa618 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[65887025.540216] RAX: ffffffffffffffda RBX: 0000563a0a493aa0 RCX: 00007fa2ba20287b
[65887025.540217] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000038
[65887025.540218] RBP: 0000000000000001 R08: 0000563a08b7f4f0 R09: 0000000000000000
[65887025.540219] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000001
[65887025.540220] R13: 0000563a08b5b220 R14: 0000000000000000 R15: 00007fa2bf590000
[65887025.540222] ---[ end trace 661b767a6966037d ]---
[65887025.540261] general protection fault: 0000 [#1] SMP NOPTI
[65887025.607986] CPU: 15 PID: 391715 Comm: CPU 2/KVM Kdump: loaded Tainted: G W --------- - - 4.18.0-193.28.1.el8_2.x86_64 #1
[65887025.756819] Hardware name: Lenovo ThinkSystem SR630 -[7X02CTO1WW]-/-[7X02CTO1WW]-, BIOS -[IVE164L-2.80]- 10/23/2020
[65887025.884863] RIP: 0010:mem_cgroup_iter+0x225/0x2f0
[65887025.944264] Code: 49 8b 47 10 48 85 c0 0f 84 d6 00 00 00 4c 8d 40 01 49 8d 77 10 f0 4d 0f b1 47 10 75 96 e9 f0 fe ff ff 48 8b 40 18 a8 03 75 42 <65> 48 ff 00 e9 0d ff ff ff 49 8b 47 18 a8 03 75 74 65 48 ff 08 e9
[65887026.172139] RSP: 0018:ffff9805f23835d0 EFLAGS: 00010246
[65887026.237777] RAX: 4c5c595449524f48 RBX: ffff8a83c7d0f000 RCX: ffff8b416350c058
[65887026.326290] RDX: 0000000000000001 RSI: ffff8a83c7d0f000 RDI: ffff8b416350c000
[65887026.414806] RBP: ffff8af995f9d1b8 R08: 0000000000000001 R09: 00000000000004b8
[65887026.503322] R10: 0000000000000000 R11: 0000000000000001 R12: ffff8b416350c000
[65887026.591836] R13: ffff9805f2383640 R14: ffff8a83c7c1cf00 R15: ffff8b416350c000
[65887026.680352] FS: 00007fa25dffb700(0000) GS:ffff8b417f6c0000(0000) knlGS:0000000000000000
[65887026.780308] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[65887026.852185] CR2: 00007f98e16d9390 CR3: 0000006e74e8c001 CR4: 00000000007626e0
[65887026.940701] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[65887027.029215] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[65887027.117729] PKRU: 55555554
[65887027.153206] Call Trace:
[65887027.185578] shrink_node+0x120/0x3f0
[65887027.231467] do_try_to_free_pages+0xc3/0x360
[65887027.285672] try_to_free_pages+0xe8/0x1c0
[65887027.336766] __alloc_pages_slowpath+0x3ad/0xd60
[65887027.394094] __alloc_pages_nodemask+0x245/0x280
[65887027.451420] do_huge_pmd_anonymous_page+0x131/0x750
[65887027.512903] __handle_mm_fault+0x689/0x6a0
[65887027.565028] handle_mm_fault+0xda/0x200
[65887027.614035] __get_user_pages+0x260/0x7a0
[65887027.665123] get_user_pages_unlocked+0x15b/0x1f0
[65887027.723528] __gfn_to_pfn_memslot+0x126/0x3f0 [kvm]
[65887027.785048] ? kvm_irq_delivery_to_apic_fast+0x267/0x3d0 [kvm]
[65887027.858003] try_async_pf+0x8d/0x260 [kvm]
[65887027.910170] tdp_page_fault+0x143/0x2b0 [kvm]
[65887027.965450] kvm_mmu_page_fault+0x75/0x5d0 [kvm]
[65887028.023815] ? apic_timer_interrupt+0xa/0x20
[65887028.078016] ? x86_virt_spec_ctrl+0x68/0xe0
[65887028.131210] vcpu_enter_guest+0x315/0x1680 [kvm]
[65887028.189605] ? __apic_accept_irq+0x1a1/0x2e0 [kvm]
[65887028.250085] kvm_arch_vcpu_ioctl_run+0xcf/0x540 [kvm]
[65887028.313680] kvm_vcpu_ioctl+0x232/0x5f0 [kvm]
[65887028.368931] ? __handle_mm_fault+0x67c/0x6a0
[65887028.423133] do_vfs_ioctl+0xa4/0x630
[65887028.469019] ksys_ioctl+0x60/0x90
[65887028.511784] __x64_sys_ioctl+0x16/0x20
[65887028.559747] do_syscall_64+0x5b/0x1a0
[65887028.606671] entry_SYSCALL_64_after_hwframe+0x65/0xca
[65887028.670227] RIP: 0033:0x7fa2ba20287b
[65887028.716105] Code: 0f 1e fa 48 8b 05 0d 96 2c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d dd 95 2c 00 f7 d8 64 89 01 48
[65887028.943981] RSP: 002b:00007fa25dffa618 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[65887029.037696] RAX: ffffffffffffffda RBX: 0000563a0a493aa0 RCX: 00007fa2ba20287b
[65887029.126209] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000038
[65887029.214720] RBP: 0000000000000001 R08: 0000563a08b7f4f0 R09: 0000000000000000
[65887029.303235] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000001
[65887029.391751] R13: 0000563a08b5b220 R14: 0000000000000000 R15: 00007fa2bf590000
[65887029.480270] Modules linked in: joydev veth vhost_net vhost tap tun binfmt_misc xsk_diag raw_diag unix_diag af_packet_diag netlink_diag tcp_diag udp_diag inet_diag nf_conntrack_netlink overlay geneve ip6_udp_tunnel udp_tunnel openvswitch nf_nat_ipv6 nf_nat_ipv4 nf_conncount nf_nat nls_utf8 isofs rpcrdma ib_isert iscsi_target_mod nf_log_ipv6 nf_log_ipv4 nf_log_common nft_limit ib_iser ib_srpt target_core_mod nf_conntrack_ipv6 nf_defrag_ipv6 ib_srp scsi_transport_srp nf_conntrack_ipv4 nf_defrag_ipv4 nft_counter ib_ipoib rdma_ucm xt_LOG xt_limit xt_multiport xt_comment xt_state xt_conntrack ib_umad nft_compat nf_tables nfnetlink i40iw iw_cxgb4 ib_uverbs rdma_cm iw_cm ib_cm ib_core intel_rapl_msr intel_rapl_common skx_edac nfit libnvdimm iTCO_wdt iTCO_vendor_support x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass intel_cstate ipmi_ssif intel_uncore mei_me i2c_i801 lpc_ich intel_rapl_perf pcspkr ioatdma mei dca wmi ipmi_si ipmi_devintf ipmi_msghandler acpi_pad
[65887029.480307] acpi_power_meter nf_conntrack ip_tables xfs libcrc32c sd_mod sg mgag200 drm_vram_helper i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops crct10dif_pclmul ttm crc32_pclmul crc32c_intel i40e drm ghash_clmulni_intel ahci megaraid_sas libahci libata cdc_ether usbnet mii dm_multipath sunrpc dm_mirror dm_region_hash dm_log dm_mod be2iscsi bnx2i cnic uio cxgb4i cxgb4 libcxgbi libcxgb qla4xxx iscsi_boot_sysfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi
where
Linux compute-032 4.18.0-193.28.1.el8_2.x86_64 #1 SMP Fri Oct 16 13:38:49 EDT 2020 x86_64 x86_64 x86_64 GNU/Linux