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【OLK-5.10】 5.10内核起虚拟机kvm报Unknown PMU version 8 和call trace
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上游 issue 正文
### 软件版本:
OS:openeuler 22.03 lts sp3
host内核版本:5.10
guest内核版本:5.10
qemu版本:6.2.0
host PMU版本:8.8
### 操作步骤:
qemu-system-aarch64命令行的方式起虚拟机,host串口会报warning的call trace
### 问题现象:
虚拟机启动过程中host报如下信息:
```
[ 1455.203359][ T2055] ------------[ cut here ]------------
[ 1455.205265][ T2055] Unknown PMU version 8
[ 1455.206802][ T2055] WARNING: CPU: 2 PID: 2055 at arch/arm64/kvm/pmu-emul.c:34 kvm_pmu_event_mask.isra.0+0x74/0x80
[ 1455.209448][ T2055] Modules linked in: vfio_pci vfio_virqfd vfio_iommu_type1 vfio hisi_zip pv680_mii(OE) nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security rfkill ip_set nf_tables libcrc32c nfnetlink ip6table_filter ip6_tables iptable_filter ip_tables vfat fat sm4_ce sm4_ce_cipher sm3_ce sha3_ce sha3_generic sha512_ce hisi_ptt hisi_pcie_pmu ipmi_ssif uio_pdrv_genirq uio ipmi_devintf ipmi_msghandler spi_hisi_kunpeng i2c_hisi spi_hisi_sfc_v3xx hisi_uncore_cpa_pmu hisi_uncore_pa_pmu hisi_uncore_hha_pmu hisi_uncore_ddrc_pmu hisi_uncore_pmu gpio_hisi hns_mdio acpi_power_meter sch_fq_codel fuse ext4 mbcache jbd2 sha512_generic sha512_arm64 hisi_hpre sm4_generic sm4 ccm aes_ce_ccm ghash_ce sha2_ce sha256_arm64 sha1_ce sbsa_gwdt xts dh_generic
[ 1455.211444][ T2055] ecdh_generic ecc hisi_sec2 nvme hisi_qm nvme_core libcurve25519_generic uacce authenc t10_pi aes_neon_bs aes_neon_blk aes_ce_blk crypto_simd cryptd aes_ce_cipher [last unloaded: hisi_zip]
[ 1455.238634][ T2055] CPU: 2 PID: 2055 Comm: qemu-system-aar Tainted: G OE 5.10.0-182.0.0.95.oe2203sp3.aarch64 #1
[ 1455.241565][ T2055] Hardware name: To be filled by O.E.M.
[ 1455.244621][ T2055] pstate: 60402009 (nZCv daif +PAN -UAO -TCO BTYPE=--)
[ 1455.246505][ T2055] pc : kvm_pmu_event_mask.isra.0+0x74/0x80
[ 1455.247981][ T2055] lr : kvm_pmu_event_mask.isra.0…
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