From: bugzilla-daemon@bugzilla.kernel.org
To: kvm@kernel.org
Subject: [Bug 196067] New: Kernel WARNING: CPU: 14 PID: 2920 at arch/x86/kvm/svm.c:1484 avic_vcpu_load+0x16b/0x180 [kvm_amd]
Date: Wed, 14 Jun 2017 03:30:59 +0000 [thread overview]
Message-ID: <bug-196067-28872@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=196067
Bug ID: 196067
Summary: Kernel WARNING: CPU: 14 PID: 2920 at
arch/x86/kvm/svm.c:1484 avic_vcpu_load+0x16b/0x180
[kvm_amd]
Product: Virtualization
Version: unspecified
Kernel Version: 4.11.3
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: kvm
Assignee: virtualization_kvm@kernel-bugs.osdl.org
Reporter: Daniel.Cini90@gmail.com
Regression: No
Created attachment 256995
--> https://bugzilla.kernel.org/attachment.cgi?id=256995&action=edit
output of lscpu
When running VMs (Both Linux x64, Win10 x64) with kvm_amd.avic=1, I
occassionally get the following kernel warning. I've also done some testing
with 4.12-rc4 and get a similar warning and call trace.
[11654.306266] ------------[ cut here ]------------
[11654.306277] WARNING: CPU: 14 PID: 2920 at arch/x86/kvm/svm.c:1484
avic_vcpu_load+0x16b/0x180 [kvm_amd]
[11654.306278] Modules linked in: fuse vhost_net vhost macvtap macvlan tap
xt_conntrack ipt_REJECT nf_reject_ipv4 bridge stp llc ebtable_filter ebtables
ip6table_filter ip6_tables tun xt_CHECKSUM xt_tcpudp iptable_mangle
ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4
nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack libcrc32c iptable_filter
edac_mce_amd edac_core amdkfd kvm_amd amd_iommu_v2 kvm crct10dif_pclmul
snd_hda_codec_realtek crc32_pclmul ghash_clmulni_intel nouveau amdgpu pcbc
snd_hda_codec_generic snd_hda_codec_hdmi mxm_wmi igb video snd_hda_intel ttm
ptp snd_usb_audio snd_hda_codec drm_kms_helper snd_usbmidi_lib pps_core
snd_rawmidi snd_seq_device snd_hda_core ccp nls_iso8859_1 aesni_intel nls_cp437
snd_hwdep drm snd_pcm mousedev joydev aes_x86_64 dca evdev vfat snd_timer
[11654.306327] crypto_simd syscopyarea input_leds sysfillrect glue_helper
sysimgblt led_class fb_sys_fops fat cryptd pcspkr rng_core mac_hid i2c_algo_bit
snd soundcore shpchp sp5100_tco i2c_piix4 wmi 8250_dw i2c_designware_platform
i2c_designware_core acpi_cpufreq button tpm_tis tpm_tis_core tpm sch_fq_codel
tcp_lp sg ip_tables x_tables ext4 crc16 jbd2 fscrypto mbcache sr_mod cdrom
sd_mod hid_generic usbhid hid ahci xhci_pci libahci xhci_hcd libata scsi_mod
usbcore usb_common serio vfio_pci irqbypass vfio_virqfd vfio_iommu_type1 vfio
crc32c_generic crc32c_intel btrfs xor raid6_pq bcache nvme nvme_core
[11654.306372] CPU: 14 PID: 2920 Comm: CPU 6/KVM Tainted: G W
4.11.3-1-ARCH #1
[11654.306373] Hardware name: Micro-Star International Co., Ltd MS-7A32/X370
GAMING PRO CARBON (MS-7A32), BIOS 1.63 06/06/2017
[11654.306374] Call Trace:
[11654.306381] dump_stack+0x63/0x81
[11654.306385] __warn+0xcb/0xf0
[11654.306388] warn_slowpath_null+0x1d/0x20
[11654.306392] avic_vcpu_load+0x16b/0x180 [kvm_amd]
[11654.306406] ? kvm_cpu_has_interrupt+0x41/0x50 [kvm]
[11654.306412] svm_vcpu_unblocking+0x18/0x20 [kvm_amd]
[11654.306422] kvm_vcpu_block+0xd3/0x330 [kvm]
[11654.306434] ? kvm_apic_has_interrupt+0x56/0xa0 [kvm]
[11654.306449] kvm_arch_vcpu_ioctl_run+0x444/0x1730 [kvm]
[11654.306455] ? svm_vcpu_load+0xdc/0x110 [kvm_amd]
[11654.306471] kvm_vcpu_ioctl+0x2a6/0x640 [kvm]
[11654.306484] ? kvm_vcpu_ioctl+0x2a6/0x640 [kvm]
[11654.306487] ? pick_next_task_fair+0x50d/0x570
[11654.306493] ? pick_next_task_fair+0x50d/0x570
[11654.306496] ? __switch_to+0x270/0x490
[11654.306499] do_vfs_ioctl+0xa5/0x600
[11654.306502] ? __schedule+0x236/0x8e0
[11654.306505] ? __fget+0x77/0xb0
[11654.306507] SyS_ioctl+0x79/0x90
[11654.306509] entry_SYSCALL_64_fastpath+0x1a/0xa9
[11654.306511] RIP: 0033:0x7fb0ac555cb7
[11654.306512] RSP: 002b:00007fb09abfd8e8 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[11654.306515] RAX: ffffffffffffffda RBX: 0000000000000004 RCX:
00007fb0ac555cb7
[11654.306516] RDX: 0000000000000000 RSI: 000000000000ae80 RDI:
0000000000000024
[11654.306517] RBP: 0000000000000000 R08: 0000555cbe4fa030 R09:
00000000ffffffff
[11654.306518] R10: 0000000000002104 R11: 0000000000000246 R12:
0000000000000004
[11654.306519] R13: 0000000000000000 R14: 0000555cbe160de0 R15:
0000000000000000
[11654.306522] ---[ end trace 37a423fcf75b88e8 ]---
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