Issue

Description of problem: hit "watchdog: BUG: soft lockup - CPU#9 stuck for 44s! [swapper/9:0]" problem during hotplug vcpus. Version-Release number of selected component (if applicable): host version: kernel-5.14.0-340.el9.x86_64 qemu-kvm-8.0.0-7.el9.x86_64 edk2-ovmf-20230524-2.el9.noarch guest: rhel9.3.0 How reproducible: 2/2 Steps to Reproduce: 1.Boot guest with "cpus_hotplug.sh" script sh cpus_hotplug.sh ovmf 2.After the cpus_hotplug.sh script is complete, dmesg message in guest. dmesg Actual results: [ 1150.754057] watchdog: BUG: soft lockup - CPU#9 stuck for 44s! [swapper/9:0] [ 1151.178612] Modules linked in: 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 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set rfkill nf_tables nfnetlink qrtr vfat fat intel_rapl_msr intel_rapl_common rapl iTCO_wdt iTCO_vendor_support i2c_i801 pcspkr lpc_ich i2c_smbus joydev fuse xfs libcrc32c bochs drm_vram_helper drm_kms_helper syscopyarea sysfillrect sysimgblt drm_ttm_helper ttm ahci libahci drm sd_mod sg nvme_tcp nvme_fabrics nvme crct10dif_pclmul crc32_pclmul nvme_core crc32c_intel nvme_common libata t10_pi ghash_clmulni_intel e1000e virtio_scsi serio_raw dm_multipath dm_mirror dm_region_hash dm_log dm_mod be2iscsi bnx2i cnic uio cxgb4i cxgb4 tls libcxgbi libcxgb qla4xxx iscsi_boot_sysfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi [ 1151.234293] CPU: 9 PID: 0 Comm: swapper/9 Not tainted 5.14.0-340.el9.x86_64 #1 [ 1151.234762] Hardware name: Red Hat KVM/RHEL, BIOS edk2-20230524-2.el9 05/24/2023 [ 1151.235369] RIP: 0010:default_idle+0x10/0x20 [ 1151.235771] Code: 8b 04 25 40 ef 01 00 f0 80 60 02 df c3 cc cc cc cc 0f ae 38 eb bb 0f 1f 40 00 0f 1f 44 00 00 eb 07 0f 00 2d 3e 3c 47 00 fb f4 <c3> cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 65 [ 1151.236764] RSP: 0018:ffffa81140113ed0 EFLAGS: 00000212 [ 1151.237040] RAX: ffffffff95197340 RBX: ffff92c200bb8000 RCX: ffff92c28c440e00 [ 1151.237402] RDX: 4000000000000000 RSI: 0000000000000009 RDI: 00000000025f488c [ 1151.237833] RBP: 0000000000000000 R08: 00000100d51e74e7 R09: 00000000000486fd [ 1151.238212] R10: 00000000000486fd R11: 0000000000000000 R12: 0000000000000000 [ 1151.259021] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1151.259440] FS: 0000000000000000(0000) GS:ffff92d139840000(0000) knlGS:0000000000000000 [ 1151.266655] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1151.266971] CR2: 00007fe00c7d24f4 CR3: 000000022e610003 CR4: 00000000003706e0 [ 1151.267348] Call Trace: [ 1151.267532] <IRQ> [ 1151.267675] ? show_trace_log_lvl+0x1c4/0x2df [ 1151.267918] ? show_trace_log_lvl+0x1c4/0x2df [ 1151.268156] ? default_idle_call+0x33/0xe0 [ 1151.268386] ? watchdog_timer_fn+0x1b2/0x210 [ 1151.268690] ? lockup_detector_update_enable+0x50/0x50 [ 1151.269035] ? __hrtimer_run_queues+0x12a/0x2c0 [ 1151.269358] ? hrtimer_interrupt+0xfc/0x210 [ 1151.269605] ? __sysvec_apic_timer_interrupt+0x5f/0x110 [ 1151.269880] ? sysvec_apic_timer_interrupt+0x6d/0x90 [ 1151.270141] </IRQ> [ 1151.270278] <TASK> [ 1151.270432] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 1151.270784] ? mwait_idle+0x70/0x70 [ 1151.271050] ? default_idle+0x10/0x20 [ 1151.271258] default_idle_call+0x33/0xe0 [ 1151.271505] cpuidle_idle_call+0x125/0x160 [ 1151.271797] ? kvm_sched_clock_read+0x14/0x30 [ 1151.272102] do_idle+0x78/0xe0 [ 1151.272335] cpu_startup_entry+0x19/0x20 [ 1151.272575] start_secondary+0x10d/0x130 [ 1151.272797] secondary_startup_64_no_verify+0xe5/0xeb [ 1151.273071] </TASK> Expected results: Not hit "watchdog: BUG: soft lockup - CPU#9 stuck for 44s! [swapper/9:0]" issues Additional info:

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