Greeting, FYI, we noticed the following commit (built with gcc-7): commit: c13d1a6ed33cf94673c7d281f6d4abe9a329ed31 ("[RFC v4][PATCH part-1 4/7] mm/asi: Interrupt ASI on interrupt/exception/NMI") url: https://github.com/0day-ci/linux/commits/Alexandre-Chartre/ASI-Part-I-ASI-Infrastructure-and-PTI/20200505-074555 in testcase: boot on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 8G caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): +--------------------------------------------------------------------------------------------+------------+------------+ | | f357628b95 | c13d1a6ed3 | +--------------------------------------------------------------------------------------------+------------+------------+ | boot_successes | 72 | 0 | | boot_failures | 1 | 85 | | BUG:kernel_hang_in_boot_stage | 1 | 1 | | BUG:scheduling_while_atomic | 0 | 84 | | BUG:sleeping_function_called_from_invalid_context_at_kernel/locking/mutex.c | 0 | 50 | | initcall_srcu_bootup_announce_returned_with_preemption_imbalance | 0 | 19 | | WARNING:at_init/main.c:#do_one_initcall | 0 | 84 | | RIP:do_one_initcall | 0 | 84 | | initcall_rcu_spawn_gp_kthread_returned_with_preemption_imbalance | 0 | 64 | | initcall_cpu_stop_init_returned_with_preemption_imbalance | 0 | 64 | | WARNING:at_kernel/stop_machine.c:#cpu_stopper_thread | 0 | 84 | | RIP:cpu_stopper_thread | 0 | 84 | | initcall_rcu_spawn_tasks_kthread_returned_with_preemption_imbalance | 0 | 74 | | initcall_futex_init_returned_with_preemption_imbalance | 0 | 84 | | initcall_sock_init_returned_with_preemption_imbalance | 0 | 67 | | initcall_audit_init_returned_with_preemption_imbalance | 0 | 84 | | initcall_init_ladder_returned_with_preemption_imbalance | 0 | 83 | | initcall_init_menu_returned_with_preemption_imbalance | 0 | 83 | | initcall_pci_arch_init_returned_with_preemption_imbalance | 0 | 41 | | initcall_param_sysfs_init_returned_with_preemption_imbalance | 0 | 66 | | initcall_pm_sysrq_init_returned_with_preemption_imbalance | 0 | 59 | | initcall_oom_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_default_bdi_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_kcompactd_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_hugepage_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_rsa_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_crypto_null_mod_init_returned_with_preemption_imbalance | 0 | 58 | | BUG:sleeping_function_called_from_invalid_context_at_kernel/locking/rwsem.c | 0 | 57 | | initcall_md#_mod_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_sha1_generic_mod_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_sha256_generic_mod_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_sha512_generic_mod_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_des_generic_mod_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_aes_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_arc#_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_deflate_mod_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_michael_mic_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_crc32c_mod_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_drbg_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_ghash_mod_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_genhd_device_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_blkcg_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_fbmem_init_returned_with_preemption_imbalance | 0 | 36 | | initcall_acpi_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_vga_arb_device_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_ata_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_devfreq_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_pci_subsys_init_returned_with_preemption_imbalance | 0 | 44 | | BUG:workqueue_leaked_lock_or_atomic:kworker/u4 | 0 | 83 | | initcall_clocksource_done_booting_returned_with_preemption_imbalance | 0 | 58 | | initcall_tracer_init_tracefs_returned_with_preemption_imbalance | 0 | 58 | | initcall_dquot_init_returned_with_preemption_imbalance | 0 | 43 | | initcall_chr_dev_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_init_acpi_pm_clocksource_returned_with_preemption_imbalance | 0 | 58 | | initcall_inet_init_returned_with_preemption_imbalance | 0 | 58 | | initcall_af_unix_init_returned_with_preemption_imbalance | 0 | 18 | | initcall_init_sunrpc_returned_with_preemption_imbalance | 0 | 58 | | BUG:sleeping_function_called_from_invalid_context_at_mm/slab.h | 0 | 62 | | initcall_acpi_reserve_resources_returned_with_preemption_imbalance | 0 | 14 | | WARNING:at_fs/read_write.c:#vfs_write | 0 | 58 | | RIP:vfs_write | 0 | 58 | | WARNING:at_arch/x86/include/asm/uaccess.h:#strncpy_from_user | 0 | 57 | | RIP:strncpy_from_user | 0 | 57 | | BUG:sleeping_function_called_from_invalid_context_at_include/linux/percpu-rwsem.h | 0 | 57 | | initcall_populate_rootfs_returned_with_preemption_imbalance | 0 | 54 | | initcall_pci_iommu_init_returned_with_preemption_imbalance | 0 | 30 | | initcall_msr_init_returned_with_preemption_imbalance | 0 | 54 | | initcall_cpuid_init_returned_with_preemption_imbalance | 0 | 54 | | initcall_snapshot_device_init_returned_with_preemption_imbalance | 0 | 54 | | initcall_kswapd_init_returned_with_preemption_imbalance | 0 | 54 | | initcall_extfrag_debug_init_returned_with_preemption_imbalance | 0 | 5 | | initcall_workingset_init_returned_with_preemption_imbalance | 0 | 23 | | initcall_slab_sysfs_init_returned_with_preemption_imbalance | 0 | 35 | | initcall_ext4_init_fs_returned_with_preemption_imbalance | 0 | 2 | | initcall_init_nfs_fs_returned_with_preemption_imbalance | 0 | 52 | | initcall_init_cifs_returned_with_preemption_imbalance | 0 | 50 | | initcall_ipc_sysctl_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_jent_mod_init_returned_with_preemption_imbalance | 0 | 50 | | initcall_percpu_counter_startup_returned_with_preemption_imbalance | 0 | 50 | | initcall_acpi_button_driver_init_returned_with_preemption_imbalance | 0 | 50 | | initcall_acpi_thermal_init_returned_with_preemption_imbalance | 0 | 50 | | initcall_erst_dbg_init_returned_with_preemption_imbalance | 0 | 21 | | BUG:sleeping_function_called_from_invalid_context_at_fs/dcache.c | 0 | 13 | | BUG:sleeping_function_called_from_invalid_context_at_kernel/workqueue.c | 0 | 76 | | initcall_pty_init_returned_with_preemption_imbalance | 0 | 42 | | kernel_BUG_at_mm/vmalloc.c | 0 | 76 | | invalid_opcode:#[##] | 0 | 76 | | RIP:__get_vm_area_node | 0 | 75 | | Kernel_panic-not_syncing:Fatal_exception_in_interrupt | 0 | 75 | | BUG:workqueue_leaked_lock_or_atomic:kworker | 0 | 39 | | initcall_usb_init_returned_with_preemption_imbalance | 0 | 29 | | initcall_pps_init_returned_with_preemption_imbalance | 0 | 18 | | initcall_pnpacpi_init_returned_with_preemption_imbalance | 0 | 43 | | initcall_pcibios_assign_resources_returned_with_preemption_imbalance | 0 | 42 | | initcall_pci_apply_final_quirks_returned_with_preemption_imbalance | 0 | 47 | | initcall_init_tsc_clocksource_returned_with_preemption_imbalance | 0 | 19 | | initcall_init_nfs_v4_returned_with_preemption_imbalance | 0 | 42 | | initcall_nfs4filelayout_init_returned_with_preemption_imbalance | 0 | 22 | | initcall_x509_key_init_returned_with_preemption_imbalance | 0 | 25 | | initcall_bsg_init_returned_with_preemption_imbalance | 0 | 25 | | initcall_btree_module_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_init_hw_perf_events_returned_with_preemption_imbalance | 0 | 47 | | BUG:sleeping_function_called_from_invalid_context_at_mm/vmalloc.c | 0 | 39 | | initcall_init_real_mode_returned_with_preemption_imbalance | 0 | 35 | | initcall_spawn_ksoftirqd_returned_with_preemption_imbalance | 0 | 47 | | WARNING:at_kernel/time/timer.c:#call_timer_fn | 0 | 37 | | RIP:call_timer_fn | 0 | 37 | | RIP:default_idle | 0 | 29 | | initcall_irq_pm_init_ops_returned_with_preemption_imbalance | 0 | 4 | | initcall_ptp_init_returned_with_preemption_imbalance | 0 | 10 | | initcall_init_trace_printk_function_export_returned_with_preemption_imbalance | 0 | 1 | | BUG:sleeping_function_called_from_invalid_context_at_mm/filemap.c | 0 | 38 | | initcall_i8237A_init_ops_returned_with_preemption_imbalance | 0 | 3 | | initcall_iosf_mbi_init_returned_with_preemption_imbalance | 0 | 3 | | initcall_system_trusted_keyring_init_returned_with_preemption_imbalance | 0 | 21 | | initcall_init_nlm_returned_with_preemption_imbalance | 0 | 4 | | initcall_serial8250_init_returned_with_preemption_imbalance | 0 | 34 | | initcall_nvram_module_init_returned_with_preemption_imbalance | 0 | 32 | | initcall_hwrng_modinit_returned_with_preemption_imbalance | 0 | 32 | | initcall_nvm_misc_init_returned_with_preemption_imbalance | 0 | 32 | | initcall_cacheinfo_sysfs_init_returned_with_preemption_imbalance | 0 | 29 | | initcall_loop_init_returned_with_preemption_imbalance | 0 | 29 | | initcall_rdac_init_returned_with_preemption_imbalance | 0 | 29 | | initcall_hp_sw_init_returned_with_preemption_imbalance | 0 | 10 | | initcall_clariion_init_returned_with_preemption_imbalance | 0 | 13 | | initcall_alua_init_returned_with_preemption_imbalance | 0 | 29 | | initcall_piix_init_returned_with_preemption_imbalance | 0 | 29 | | initcall_macsec_init_returned_with_preemption_imbalance | 0 | 13 | | initcall_atl1e_driver_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_cnic_init_returned_with_preemption_imbalance | 0 | 29 | | initcall_bnx2x_init_returned_with_preemption_imbalance | 0 | 29 | | initcall_be_init_module_returned_with_preemption_imbalance | 0 | 29 | | initcall_e100_init_module_returned_with_preemption_imbalance | 0 | 20 | | initcall_netlink_proto_init_returned_with_preemption_imbalance | 0 | 12 | | initcall_mem_cgroup_init_returned_with_preemption_imbalance | 0 | 2 | | BUG:sleeping_function_called_from_invalid_context_at_kernel/printk/printk.c | 0 | 3 | | WARNING:at_kernel/smp.c:#smp_call_function_single | 0 | 14 | | RIP:smp_call_function_single | 0 | 14 | | initcall_fcntl_init_returned_with_preemption_imbalance | 0 | 4 | | initcall_serial_pci_driver_init_returned_with_preemption_imbalance | 0 | 5 | | initcall_nozomi_init_returned_with_preemption_imbalance | 0 | 7 | | BUG:sleeping_function_called_from_invalid_context_at_drivers/net/ethernet/intel/e1000_hw.c | 0 | 4 | | initcall_e1000_init_module_returned_with_preemption_imbalance | 0 | 13 | | initcall_ixgbe_init_module_returned_with_preemption_imbalance | 0 | 13 | | initcall_i40e_init_module_returned_with_preemption_imbalance | 0 | 13 | | initcall_ql3xxx_driver_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_ppp_init_returned_with_preemption_imbalance | 0 | 13 | | initcall_aoe_init_returned_with_preemption_imbalance | 0 | 13 | | initcall_i8042_init_returned_with_preemption_imbalance | 0 | 13 | | initcall_mousedev_init_returned_with_preemption_imbalance | 0 | 13 | | initcall_evdev_init_returned_with_preemption_imbalance | 0 | 13 | | initcall_uinput_misc_init_returned_with_preemption_imbalance | 0 | 13 | | initcall_cmos_init_returned_with_preemption_imbalance | 0 | 13 | | initcall_ptp_kvm_init_returned_with_preemption_imbalance | 0 | 13 | | initcall_strp_dev_init_returned_with_preemption_imbalance | 0 | 13 | | initcall_mcheck_init_device_returned_with_preemption_imbalance | 0 | 13 | | initcall_dev_mcelog_init_device_returned_with_preemption_imbalance | 0 | 13 | | initcall_print_ICs_returned_with_preemption_imbalance | 0 | 13 | | initcall_cpu_latency_qos_init_returned_with_preemption_imbalance | 0 | 13 | | initcall_taskstats_init_returned_with_preemption_imbalance | 0 | 6 | | initcall_fscrypt_init_returned_with_preemption_imbalance | 0 | 12 | | WARNING:at_drivers/pci/search.c:#pci_get_dev_by_id | 0 | 18 | | RIP:pci_get_dev_by_id | 0 | 18 | | initcall_pci_sysfs_init_returned_with_preemption_imbalance | 0 | 13 | | BUG:sleeping_function_called_from_invalid_context_at_drivers/input/serio/libps2.c | 0 | 7 | | initcall_deferred_probe_initcall_returned_with_preemption_imbalance | 0 | 13 | | initcall_init_netconsole_returned_with_preemption_imbalance | 0 | 8 | | initcall_ip_auto_config_returned_with_preemption_imbalance | 0 | 10 | | Kernel_panic-not_syncing:No_working_init_found | 0 | 3 | | initcall_thermal_init_returned_with_preemption_imbalance | 0 | 16 | | initcall_ioapic_init_ops_returned_with_preemption_imbalance | 0 | 11 | | initcall_start_periodic_check_for_corruption_returned_with_preemption_imbalance | 0 | 12 | | initcall_init_sd_returned_with_preemption_imbalance | 0 | 5 | | initcall_acpi_pci_init_returned_with_preemption_imbalance | 0 | 8 | | initcall_component_debug_init_returned_with_preemption_imbalance | 0 | 7 | | initcall_dax_core_init_returned_with_preemption_imbalance | 0 | 4 | | initcall_firmware_class_init_returned_with_preemption_imbalance | 0 | 4 | | initcall_asymmetric_key_init_returned_with_preemption_imbalance | 0 | 22 | | initcall_kyber_init_returned_with_preemption_imbalance | 0 | 9 | | initcall_hangcheck_init_returned_with_preemption_imbalance | 0 | 12 | | RIP:vprintk_emit | 0 | 3 | | initcall_dummy_init_module_returned_with_preemption_imbalance | 0 | 2 | | initcall_phy_module_init_returned_with_preemption_imbalance | 0 | 4 | | initcall_init_events_returned_with_preemption_imbalance | 0 | 2 | | initcall_proc_cmdline_init_returned_with_preemption_imbalance | 0 | 3 | | initcall_deadline_init_returned_with_preemption_imbalance | 0 | 12 | | initcall_sg_pool_init_returned_with_preemption_imbalance | 0 | 8 | | initcall_init_jiffies_clocksource_returned_with_preemption_imbalance | 0 | 17 | | initcall_init_bio_returned_with_preemption_imbalance | 0 | 4 | | initcall_proc_vmalloc_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_acpi_fan_driver_init_returned_with_preemption_imbalance | 0 | 4 | | initcall_tg3_driver_init_returned_with_preemption_imbalance | 0 | 3 | | initcall_ia32_binfmt_init_returned_with_preemption_imbalance | 0 | 5 | | initcall_add_pcspkr_returned_with_preemption_imbalance | 0 | 1 | | initcall_iommu_subsys_init_returned_with_preemption_imbalance | 0 | 4 | | BUG:sleeping_function_called_from_invalid_context_at_kernel/rcu/tree.c | 0 | 5 | | BUG:sleeping_function_called_from_invalid_context_at_kernel/sched/completion.c | 0 | 5 | | initcall_igb_init_module_returned_with_preemption_imbalance | 0 | 9 | | initcall_igbvf_init_module_returned_with_preemption_imbalance | 0 | 5 | | initcall_ixgb_init_module_returned_with_preemption_imbalance | 0 | 8 | | initcall_sky2_init_module_returned_with_preemption_imbalance | 0 | 8 | | initcall_ns83820_init_returned_with_preemption_imbalance | 0 | 4 | | initcall_vxge_starter_returned_with_preemption_imbalance | 0 | 6 | | initcall_ehci_hcd_init_returned_with_preemption_imbalance | 0 | 3 | | initcall_uhci_hcd_init_returned_with_preemption_imbalance | 0 | 9 | | initcall_acm_init_returned_with_preemption_imbalance | 0 | 8 | | initcall_usb_storage_driver_init_returned_with_preemption_imbalance | 0 | 6 | | initcall_alauda_driver_init_returned_with_preemption_imbalance | 0 | 5 | | WARNING:at_kernel/irq/manage.c:#__free_irq | 0 | 5 | | RIP:__free_irq | 0 | 5 | | initcall_hid_init_returned_with_preemption_imbalance | 0 | 11 | | initcall_pmc_atom_init_returned_with_preemption_imbalance | 0 | 12 | | initcall_init_p9_returned_with_preemption_imbalance | 0 | 12 | | initcall_init_dns_resolver_returned_with_preemption_imbalance | 0 | 5 | | initcall_mcheck_late_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_threshold_init_device_returned_with_preemption_imbalance | 0 | 1 | | initcall_print_ipi_mode_returned_with_preemption_imbalance | 0 | 5 | | initcall_phy_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_sysctl_core_init_returned_with_preemption_imbalance | 0 | 5 | | BUG:sleeping_function_called_from_invalid_context_at_mm/page_alloc.c | 0 | 5 | | initcall_pm_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_irq_poll_setup_returned_with_preemption_imbalance | 0 | 3 | | initcall_ipc_init_returned_with_preemption_imbalance | 0 | 8 | | initcall_fsnotify_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_filelock_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_udp_bpf_v4_build_proto_returned_with_preemption_imbalance | 0 | 1 | | RIP:dump_stack | 0 | 3 | | initcall_ssb_modinit_returned_with_preemption_imbalance | 0 | 5 | | initcall_aio_setup_returned_with_preemption_imbalance | 0 | 1 | | initcall_cma_init_reserved_areas_returned_with_preemption_imbalance | 0 | 7 | | initcall_backlight_class_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_ipc_ns_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_crypto_ecb_module_init_returned_with_preemption_imbalance | 0 | 6 | | BUG:sleeping_function_called_from_invalid_context_at_mm/vmstat.c | 0 | 1 | | initcall_journal_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_init_cryptoloop_returned_with_preemption_imbalance | 0 | 1 | | initcall_jme_init_module_returned_with_preemption_imbalance | 0 | 5 | | initcall_qlcnic_init_module_returned_with_preemption_imbalance | 0 | 5 | | initcall_bdx_module_init_returned_with_preemption_imbalance | 0 | 7 | | initcall_tlan_probe_returned_with_preemption_imbalance | 0 | 4 | | initcall_bsdcomp_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_ppp_mppe_init_returned_with_preemption_imbalance | 0 | 4 | | initcall_pppox_init_returned_with_preemption_imbalance | 0 | 4 | | initcall_catc_driver_init_returned_with_preemption_imbalance | 0 | 5 | | initcall_pegasus_init_returned_with_preemption_imbalance | 0 | 4 | | initcall_rtl8150_driver_init_returned_with_preemption_imbalance | 0 | 5 | | initcall_ax#_178a_driver_init_returned_with_preemption_imbalance | 0 | 5 | | initcall_eem_driver_init_returned_with_preemption_imbalance | 0 | 4 | | initcall_smsc95xx_driver_init_returned_with_preemption_imbalance | 0 | 3 | | initcall_gl620a_driver_init_returned_with_preemption_imbalance | 0 | 4 | | initcall_net1080_driver_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_plusb_driver_init_returned_with_preemption_imbalance | 0 | 3 | | initcall_rndis_driver_init_returned_with_preemption_imbalance | 0 | 3 | | initcall_cdc_subset_driver_init_returned_with_preemption_imbalance | 0 | 3 | | initcall_zaurus_driver_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_mcs7830_driver_init_returned_with_preemption_imbalance | 0 | 3 | | initcall_kalmia_driver_init_returned_with_preemption_imbalance | 0 | 3 | | initcall_sierra_net_driver_init_returned_with_preemption_imbalance | 0 | 3 | | initcall_cdc_ncm_driver_init_returned_with_preemption_imbalance | 0 | 4 | | initcall_lg_vl600_driver_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_ene_ub6250_driver_init_returned_with_preemption_imbalance | 0 | 4 | | initcall_freecom_driver_init_returned_with_preemption_imbalance | 0 | 3 | | initcall_jumpshot_driver_init_returned_with_preemption_imbalance | 0 | 3 | | initcall_karma_driver_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_onetouch_driver_init_returned_with_preemption_imbalance | 0 | 4 | | initcall_realtek_cr_driver_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_sddr09_driver_init_returned_with_preemption_imbalance | 0 | 3 | | initcall_usbat_driver_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_alsa_hwdep_init_returned_with_preemption_imbalance | 0 | 3 | | initcall_sched_clock_init_late_returned_with_preemption_imbalance | 0 | 4 | | initcall_pm_debugfs_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_load_system_certificate_list_returned_with_preemption_imbalance | 0 | 4 | | initcall_acpi_processor_driver_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_hwmon_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_init_scsi_returned_with_preemption_imbalance | 0 | 5 | | initcall_alsa_sound_init_returned_with_preemption_imbalance | 0 | 4 | | initcall_topology_sysfs_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_myri10ge_init_module_returned_with_preemption_imbalance | 0 | 5 | | initcall_slip_init_returned_with_preemption_imbalance | 0 | 3 | | initcall_kaweth_driver_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_asix_driver_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_cdc_driver_init_returned_with_preemption_imbalance | 0 | 3 | | initcall_dm9601_driver_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_wdm_driver_init_returned_with_preemption_imbalance | 0 | 3 | | initcall_intel_pstate_init_returned_with_preemption_imbalance | 0 | 6 | | initcall_packet_init_returned_with_preemption_imbalance | 0 | 3 | | initcall_alsa_sound_last_init_returned_with_preemption_imbalance | 0 | 5 | | initcall_net_ns_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_irq_sysfs_init_returned_with_preemption_imbalance | 0 | 3 | | initcall_crypto_authenc_module_init_returned_with_preemption_imbalance | 0 | 5 | | initcall_init_dax_wait_table_returned_with_preemption_imbalance | 0 | 2 | | initcall_ks8851_platform_driver_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_netxen_init_module_returned_with_preemption_imbalance | 0 | 2 | | initcall_cp_driver_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_rhine_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_deflate_init_returned_with_preemption_imbalance | 0 | 4 | | initcall_topology_init_returned_with_preemption_imbalance | 0 | 3 | | initcall_init_clocksource_sysfs_returned_with_preemption_imbalance | 0 | 2 | | initcall_iomap_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_crash_save_vmcoreinfo_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_user_namespace_sysctl_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_clockevents_init_sysfs_returned_with_preemption_imbalance | 0 | 2 | | initcall_sysfb_init_returned_with_preemption_imbalance | 0 | 1 | | RIP:console_unlock | 0 | 2 | | BUG:sleeping_function_called_from_invalid_context_at_fs/file_table.c | 0 | 4 | | initcall_init_devpts_fs_returned_with_preemption_imbalance | 0 | 2 | | initcall_pnp_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_starfire_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_sundance_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_isd200_driver_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_intel8x0_driver_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_save_microcode_in_initrd_returned_with_preemption_imbalance | 0 | 4 | | initcall_opp_debug_init_returned_with_preemption_imbalance | 0 | 1 | | WARNING:at_kernel/smp.c:#smp_call_function_many_cond | 0 | 1 | | RIP:smp_call_function_many_cond | 0 | 1 | | initcall_dio_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_datafab_driver_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_init_pipe_fs_returned_with_preemption_imbalance | 0 | 1 | | initcall_wq_sysfs_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_userfaultfd_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_boot_params_ksysfs_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_ras_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_reboot_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_init_lapic_sysfs_returned_with_preemption_imbalance | 0 | 1 | | initcall_ehci_pci_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_intel8x0m_driver_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_init_error_injection_returned_with_preemption_imbalance | 0 | 1 | | initcall_genl_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_perf_event_sysfs_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_proc_genhd_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_init_fat_fs_returned_with_preemption_imbalance | 0 | 1 | | initcall_pci_proc_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_cgwb_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_alarmtimer_init_returned_with_preemption_imbalance | 0 | 1 | | WARNING:at_kernel/sched/core.c:#finish_task_switch | 0 | 1 | | RIP:finish_task_switch | 0 | 1 | | initcall_fealnx_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_smsc75xx_driver_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_ipheth_driver_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_cx82310_driver_init_returned_with_preemption_imbalance | 0 | 1 | | initcall_cypress_driver_init_returned_with_preemption_imbalance | 0 | 2 | | initcall_sync_debugfs_init_returned_with_preemption_imbalance | 0 | 1 | +--------------------------------------------------------------------------------------------+------------+------------+ If you fix the issue, kindly add following tag Reported-by: kernel test robot [ 5.026797] BUG: scheduling while atomic: swapper/0/0/0x00000010 [ 5.030491] Modules linked in: [ 5.032401] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.7.0-rc1-00006-gc13d1a6ed33cf9 #1 [ 5.034485] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 5.034485] Call Trace: [ 5.034485] dump_stack+0x50/0x63 [ 5.034485] __schedule_bug+0x5c/0x6a [ 5.034485] __schedule+0xa1/0x5ab [ 5.034485] ? kernel_thread+0x57/0x71 [ 5.034485] schedule+0x9f/0xdf [ 5.034485] schedule_preempt_disabled+0x15/0x1e [ 5.034485] rest_init+0xbc/0xc6 [ 5.034485] start_kernel+0x4a8/0x4ca [ 5.034485] secondary_startup_64+0xb6/0xc0 [ 5.034581] TSC deadline timer enabled [ 5.035761] smpboot: CPU0: Intel Xeon E312xx (Sandy Bridge) (family: 0x6, model: 0x2a, stepping: 0x1) [ 5.038485] Performance Events: unsupported p6 CPU model 42 no PMU driver, software events only. [ 5.038505] ------------[ cut here ]------------ [ 5.040743] initcall init_hw_perf_events+0x0/0x4d4 returned with preemption imbalance [ 5.042549] WARNING: CPU: 0 PID: 1 at init/main.c:1170 do_one_initcall+0x172/0x1bb [ 5.046485] Modules linked in: [ 5.046485] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 5.7.0-rc1-00006-gc13d1a6ed33cf9 #1 [ 5.046485] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 5.046485] RIP: 0010:do_one_initcall+0x172/0x1bb [ 5.046485] Code: 00 00 48 c7 c6 0e 8f 27 82 48 89 e7 e8 7a 55 3e 00 fb 80 3c 24 00 74 14 48 89 e2 48 89 ee 48 c7 c7 23 8f 27 82 e8 14 70 05 00 <0f> 0b 48 8b 4c 24 40 65 48 33 0c 25 28 00 00 00 44 89 e8 74 05 e8 [ 5.046485] RSP: 0000:ffffc90000013ea0 EFLAGS: 00010292 [ 5.046485] RAX: 0000000000000000 RBX: ffffffff82a2534c RCX: 0000000000000000 [ 5.046485] RDX: 0000000000000001 RSI: ffffc90000013d64 RDI: ffffffff82a5970c [ 5.046485] RBP: ffffffff828e0b7b R08: 0000000000000000 R09: ffff8880000bdaa0 [ 5.046485] R10: 000000000003ffff R11: ffffc90000013d28 R12: 0000000000000000 [ 5.046485] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 5.046485] FS: 0000000000000000(0000) GS:ffff88823fc00000(0000) knlGS:0000000000000000 [ 5.046485] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5.046485] CR2: 00000000ffffffff CR3: 0000000002412000 CR4: 00000000000006f0 [ 5.046485] Call Trace: [ 5.046485] ? proc_register+0xb4/0x10e [ 5.046485] kernel_init_freeable+0xba/0x224 [ 5.046485] ? rest_init+0xc6/0xc6 [ 5.046485] kernel_init+0xa/0xff [ 5.046485] ret_from_fork+0x35/0x40 [ 5.046485] ---[ end trace 9a8275f1c79bab99 ]--- To reproduce: # build kernel cd linux cp config-5.7.0-rc1-00006-gc13d1a6ed33cf9 .config make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage git clone https://github.com/intel/lkp-tests.git cd lkp-tests bin/lkp qemu -k job-script # job-script is attached in this email Thanks, lkp