Comment 4 for bug 1881072

This ubuntu_kvm_smoke_test has failed on bare-metal i386 with Bionic kernel 4.15.0-102.103

kernel: [ 205.203786] BUG: unable to handle kernel paging request at 00004ee4
kernel: [ 205.203865] IP: vmx_vcpu_run+0x24c/0x590 [kvm_intel]
kernel: [ 205.203908] *pdpt = 0000000032cee001 *pde = 0000000000000000
kernel: [ 205.203958] Oops: 0000 [#1] SMP PTI
kernel: [ 205.203988] Modules linked in: vhost_net vhost tap xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp bridge stp llc ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter devlink intel_rapl x86_pkg_temp_thermal joydev input_leds intel_powerclamp coretemp intel_cstate dcdbas ipmi_ssif intel_rapl_perf ipmi_si mei_me ipmi_devintf acpi_power_meter kvm_intel mei mac_hid shpchp ipmi_msghandler acpi_pad kvm irqbypass lpc_ich sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq
kernel: [ 205.204461] libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid mgag200 i2c_algo_bit ttm crc32_pclmul drm_kms_helper pcbc syscopyarea sysfillrect aesni_intel sysimgblt aes_i586 fb_sys_fops crypto_simd cryptd drm tg3 ahci libahci ptp pps_core wmi
kernel: [ 205.204612] CPU: 3 PID: 2193 Comm: CPU 0/KVM Not tainted 4.15.0-102-generic #103-Ubuntu
kernel: [ 205.204663] Hardware name: Dell Inc. PowerEdge R320/0DY523, BIOS 1.2.4 05/11/2012
kernel: [ 205.204715] EIP: vmx_vcpu_run+0x24c/0x590 [kvm_intel]
kernel: [ 205.204748] EFLAGS: 00010002 CPU: 3
kernel: [ 205.204771] EAX: 00000001 EBX: 00000000 ECX: 00000000 EDX: 00006c14
kernel: [ 205.204810] ESI: 00000000 EDI: 00000000 EBP: f3313de8 ESP: f3313dd0
kernel: [ 205.204848] DS: 0068 ES: 0068 FS: 00d8 GS: 00e0 SS: 0068
kernel: [ 205.204883] CR0: 80050033 CR2: 00004ee4 CR3: 27b34000 CR4: 000426f0
kernel: [ 205.204922] Call Trace:
kernel: [ 205.204973] vcpu_enter_guest+0x2da/0x1200 [kvm]
kernel: [ 205.205026] ? kvm_arch_vcpu_load+0x7d/0x250 [kvm]
kernel: [ 205.205079] kvm_arch_vcpu_ioctl_run+0xc1/0x3c0 [kvm]
kernel: [ 205.205131] ? kvm_arch_vcpu_ioctl_run+0xc1/0x3c0 [kvm]
kernel: [ 205.205182] kvm_vcpu_ioctl+0x26c/0x5b0 [kvm]
kernel: [ 205.205214] ? futex_wake+0x7d/0x150
kernel: [ 205.205256] ? kvm_set_memory_region+0x40/0x40 [kvm]
kernel: [ 205.205290] do_vfs_ioctl+0x93/0x6b0
kernel: [ 205.205316] SyS_ioctl+0x58/0x70
kernel: [ 205.205340] do_fast_syscall_32+0x7f/0x200
kernel: [ 205.205370] entry_SYSENTER_32+0x6b/0xbe
kernel: [ 205.205396] EIP: 0xb7f1fd09
kernel: [ 205.205414] EFLAGS: 00200292 CPU: 3
kernel: [ 205.205438] EAX: ffffffda EBX: 00000015 ECX: 0000ae80 EDX: 00000000
kernel: [ 205.205478] ESI: 02ce7220 EDI: 00000000 EBP: b7f12000 ESP: b32a6eb8
kernel: [ 205.205517] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b
kernel: [ 205.207327] Code: 81 f4 01 00 00 31 c0 31 db 31 c9 31 d2 31 f6 31 ff 31 ed 5d 5a 8b 45 f0 89 4d e8 e8 df 71 ff ff 84 c0 8b 4d e8 0f 84 94 02 00 00 <8b> 81 e4 4e 00 00 8b 91 e8 4e 00 00 89 4d e8 e8 d0 7a ff ff e8
kernel: [ 205.211667] EIP: vmx_vcpu_run+0x24c/0x590 [kvm_intel] SS:ESP: 0068:f3313dd0
kernel: [ 205.214131] CR2: 0000000000004ee4
kernel: [ 205.216577] ---[ end trace 9ab07b7d6f771993 ]---