apport-collect info has been collected
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1884058
Title:
kernel warning in epyc2 nested virtualization
Status in linux package in Ubuntu:
Confirmed
Bug description:
[1115784.899520] ------------[ cut here ]------------
[1115784.899551] WARNING: CPU: 17 PID: 799578 at arch/x86/kvm/mmu.c:2237
nonpaging_update_pte+0x9/0x10 [kvm]
[1115784.899551] Modules linked in: vhost_net vhost tap nf_tables ip6t_REJECT
nf_reject_ipv6 ip6table_mangle ip6table_filter ip6_tables ipt_REJECT
nf_reject_ipv4 xt_comment xt_tcpudp xt_state xt_conntrack iptable_mangle
iptable_nat iptable_filter bpfilter 8021q garp mrp stp llc binfmt_misc
ipmi_ssif amd64_edac_mod edac_mce_amd kvm_amd kvm crct10dif_pclmul
ghash_clmulni_intel aesni_intel crypto_simd cryptd glue_helper nls_iso8859_1
input_leds joydev ast ceph drm_vram_helper ttm libceph drm_kms_helper fscache
i2c_algo_bit fb_sys_fops syscopyarea sysfillrect sysimgblt nfnetlink_cttimeout
nfnetlink ccp k10temp ipmi_si ipmi_devintf ipmi_msghandler mac_hid openvswitch
nsh nf_conncount nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c
sch_fq_codel drm ip_tables x_tables autofs4 hid_generic usbhid ahci
crc32_pclmul nvme hid libahci nvme_core bnxt_en i2c_piix4 i40e
[1115784.899594] CPU: 17 PID: 799578 Comm: CPU 1/KVM Not tainted
5.4.0-29-generic #33-Ubuntu
[1115784.899595] Hardware name: Supermicro AS -1113S-WN10RT/H11SSW-NT, BIOS
2.1 02/21/2020
[1115784.899615] RIP: 0010:nonpaging_update_pte+0x9/0x10 [kvm]
[1115784.899617] Code: 00 0f 1f 44 00 00 55 31 c0 48 89 e5 5d c3 0f 1f 00 0f
1f 44 00 00 55 48 89 e5 5d c3 0f 1f 44 00 00 0f 1f 44 00 00 55 48 89 e5 <0f> 0b
5d c3 0f 1f 00 0f 1f 44 00 00 55 48 89 f0 48 89 e5 48 85 c9
[1115784.899618] RSP: 0018:ffffb039ccc1ba80 EFLAGS: 00010202
[1115784.899620] RAX: ffffffffc07c4f10 RBX: ffff8f009d2e7000 RCX:
ffffb039ccc1bac8
[1115784.899621] RDX: ffff8f009d2e7000 RSI: ffff8f00987e6f18 RDI:
ffff8f00a39bbc90
[1115784.899622] RBP: ffffb039ccc1ba80 R08: 0000000000000000 R09:
ffffb039e05a4000
[1115784.899623] R10: 000000000000000b R11: ffff8f00984e0008 R12:
ffff8f00987e6f18
[1115784.899624] R13: ffff8f00a39bbc90 R14: 0000000000000701 R15:
ffffb039ccc1bad0
[1115784.899625] FS: 00007fecceffd700(0000) GS:ffff8f01ce640000(0000)
knlGS:0000000000000000
[1115784.899626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[1115784.899627] CR2: 000055d27ce2e218 CR3: 0000007d26852000 CR4:
0000000000340ee0
[1115784.899628] Call Trace:
[1115784.899653] kvm_mmu_pte_write+0x435/0x440 [kvm]
[1115784.899675] kvm_page_track_write+0x7f/0xb0 [kvm]
[1115784.899695] emulator_write_phys+0x40/0x50 [kvm]
[1115784.899712] write_emulate+0xe/0x10 [kvm]
[1115784.899730] emulator_read_write_onepage+0xf9/0x320 [kvm]
[1115784.899746] emulator_read_write+0xdc/0x190 [kvm]
[1115784.899763] emulator_write_emulated+0x15/0x20 [kvm]
[1115784.899784] segmented_write+0x60/0x90 [kvm]
[1115784.899801] writeback+0x187/0x310 [kvm]
[1115784.899820] x86_emulate_insn+0xa1c/0x1260 [kvm]
[1115784.899837] x86_emulate_instruction+0x358/0x720 [kvm]
[1115784.899853] complete_emulated_pio+0x3f/0x70 [kvm]
[1115784.899871] kvm_arch_vcpu_ioctl_run+0x551/0x590 [kvm]
[1115784.899888] kvm_vcpu_ioctl+0x24b/0x610 [kvm]
[1115784.899894] ? __seccomp_filter+0x7e/0x690
[1115784.899898] ? futex_wake+0x8b/0x180
[1115784.899903] do_vfs_ioctl+0x407/0x670
[1115784.899905] ? __secure_computing+0x42/0xe0
[1115784.899907] ksys_ioctl+0x67/0x90
[1115784.899908] __x64_sys_ioctl+0x1a/0x20
[1115784.899911] do_syscall_64+0x57/0x190
[1115784.899914] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[1115784.899915] RIP: 0033:0x7fed0138d37b
[1115784.899916] Code: 0f 1e fa 48 8b 05 15 3b 0d 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 e5 3a 0d 00 f7 d8 64 89 01 48
[1115784.899916] RSP: 002b:00007fecceffc5b8 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[1115784.899917] RAX: ffffffffffffffda RBX: 000000000000ae80 RCX:
00007fed0138d37b
[1115784.899917] RDX: 0000000000000000 RSI: 000000000000ae80 RDI:
0000000000000025
[1115784.899918] RBP: 0000562bce39e940 R08: 0000562bcc1affb0 R09:
0000000000000200
[1115784.899918] R10: 0000000000000001 R11: 0000000000000246 R12:
0000000000000000
[1115784.899919] R13: 0000562bcc81c960 R14: 0000000000000004 R15:
0000000000000000
[1115784.899920] ---[ end trace 6282d0248ce1f9fe ]---
---
ProblemType: Bug
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Jun 18 18:55 seq
crw-rw---- 1 root audio 116, 33 Jun 18 18:55 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.20.11-0ubuntu27.3
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: [Errno 2] No such file or directory: 'fuser'
CasperMD5CheckResult: skip
DistroRelease: Ubuntu 20.04
HibernationDevice: RESUME=none
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
MachineType: Supermicro AS -1113S-WN10RT
Package: linux (not installed)
PciMultimedia:
ProcFB: 0 astdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-29-generic
root=/dev/mapper/LVM0-FOCAL ro console=tty0 console=ttyS0,38400n8
intel_idle.max_cstate=1 processor.max_cstate=1
ProcVersionSignature: Ubuntu 5.4.0-29.33-generic 5.4.30
RelatedPackageVersions:
linux-restricted-modules-5.4.0-29-generic N/A
linux-backports-modules-5.4.0-29-generic N/A
linux-firmware 1.187
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
Tags: focal
Uname: Linux 5.4.0-29-generic x86_64
UnreportableReason: This report is about a package that is not installed.
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: N/A
_MarkForUpload: False
dmi.bios.date: 02/21/2020
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2.1
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: H11SSW-NT
dmi.board.vendor: Supermicro
dmi.board.version: 2.00
dmi.chassis.asset.tag: To be filled by O.E.M.
dmi.chassis.type: 1
dmi.chassis.vendor: Supermicro
dmi.chassis.version: 0123456789
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr2.1:bd02/21/2020:svnSupermicro:pnAS-1113S-WN10RT:pvr0123456789:rvnSupermicro:rnH11SSW-NT:rvr2.00:cvnSupermicro:ct1:cvr0123456789:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: AS -1113S-WN10RT
dmi.product.sku: To be filled by O.E.M.
dmi.product.version: 0123456789
dmi.sys.vendor: Supermicro
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