Hello, starting with kernel 4.19 we noticed 'Unknown eventid: xxxx' warnings on our Laptops. ... crazy@devnull:~$ dmesg | grep Unknow [ 7.144998] ath10k_pci 0000:03:00.0: Unknown eventid: 118809 [ 7.147758] ath10k_pci 0000:03:00.0: Unknown eventid: 90118 [ 9.441654] ath10k_pci 0000:03:00.0: Unknown eventid: 118809 [ 9.444446] ath10k_pci 0000:03:00.0: Unknown eventid: 90118 [ 11.770997] ath10k_pci 0000:03:00.0: Unknown eventid: 118809 [ 11.773787] ath10k_pci 0000:03:00.0: Unknown eventid: 90118 [320339.374108] ath10k_pci 0000:03:00.0: Unknown eventid: 118809 [320339.377020] ath10k_pci 0000:03:00.0: Unknown eventid: 90118 [320342.128664] ath10k_pci 0000:03:00.0: Unknown eventid: 118809 [320342.131447] ath10k_pci 0000:03:00.0: Unknown eventid: 90118 [320344.452864] ath10k_pci 0000:03:00.0: Unknown eventid: 118809 [320344.455696] ath10k_pci 0000:03:00.0: Unknown eventid: 90118 .... Both boxes also hits the following WARN*() on resume from S3: [320339.396961] WARNING: CPU: 3 PID: 9002 at drivers/net/wireless/ath/ath10k/mac.c:5625 ath10k_bss_info_changed+0xb33/0xd90 [ath10k_core] [320339.396962] Modules linked in: uas usb_storage rndis_host cdc_ether usbnet mii btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c ext2 ctr ccm cmac af_packet amdgpu arc4 chash gpu_sched bnep snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_codec_generic joydev uvcvideo radeon btusb videobuf2_vmalloc videobuf2_memops btrtl videobuf2_v4l2 ath10k_pci btbcm btintel videobuf2_common ath10k_core bluetooth ath videodev mac80211 ecdh_generic iTCO_wd t i915 iTCO_vendor_support snd_soc_skl rtsx_usb_ms memstick snd_soc_skl_ipc intel_wmi_thunderbolt snd_soc_sst_ipc media snd_soc_sst_dsp snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi ttm kvmgt vfio_mdev mdev vfio_iommu_type1 snd_ soc_core coretemp vfio cfg80211 cec intel_rapl rc_core drm_kms_helper x86_pkg_temp_thermal intel_powerclamp [320339.397005] nls_utf8 snd_compress snd_pcm_dmaengine nls_cp437 kvm_intel vfat drm fat snd_hda_intel kvm snd_hda_codec intel_gtt agpgart efi_pstore snd_hda_core r8169 irqbypass psmouse i2c_algo_bit fb_sys_fops evdev syscopyarea hwmon sysfillrect mac_hid snd_hwdep libphy sysimgblt i2c_i801 efivars pcspkr ideapad_laptop intel_pch_thermal i2c_core sparse_keymap rfkill thermal wmi ac battery video pcc_cpufreq button acpi_pad ppdev sch_fq_codel fuse snd_pcm_oss snd_mixer_ oss snd_seq_dummy snd_pcm snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_timer snd soundcore lp parport_pc parport binfmt_misc sg ext4 rtsx_usb_sdmmc crc32c_generic crc16 mmc_core mbcache jbd2 rtsx_usb fscrypto sr_mod sd_mod c drom crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel pcbc ahci libahci xhci_pci libata [320339.397039] xhci_hcd aesni_intel usbcore aes_x86_64 scsi_mod crypto_simd cryptd glue_helper serio_raw dm_mirror dm_region_hash dm_log dm_mod efivarfs unix sha256_mb sha256_ssse3 sha256_generic sha1_mb mcryptd sha1_ssse3 sha1_generic hmac ipv6 autofs4 [320339.397051] CPU: 3 PID: 9002 Comm: kworker/u8:1 Not tainted 4.19-fw1 #1 [320339.397052] Hardware name: LENOVO 80UD/LNVNB161216, BIOS 1TCN26WW(V2.07) 03/29/2018 [320339.397067] Workqueue: events_unbound async_run_entry_fn [320339.397071] RIP: 0010:ath10k_bss_info_changed+0xb33/0xd90 [ath10k_core] [320339.397072] Code: ff ff b8 a1 ff ff ff e9 e9 f7 ff ff b8 a1 ff ff ff e9 a5 f6 ff ff b8 a1 ff ff ff e9 ef f5 ff ff b8 a1 ff ff ff e9 4f f7 ff ff <0f> 0b e9 37 f8 ff ff b8 a1 ff ff ff e9 f6 fa ff ff b8 a1 ff ff ff [320339.397073] RSP: 0000:ffffac0704057cd8 EFLAGS: 00010282 [320339.397074] RAX: 00000000fffffffe RBX: ffff9f96ee4f1540 RCX: 0000000000000000 [320339.397092] RDX: ffff9f96ee4f18b8 RSI: ffffac0704057cf8 RDI: ffff9f96f3b2d380 [320339.397093] RBP: ffff9f96f3b2d380 R08: 0000000000200000 R09: 0000000000000000 [320339.397093] R10: 000000000000001f R11: ffff9f96f3b91a00 R12: 0000000002000000 [320339.397094] R13: ffff9f96f3b2d388 R14: ffff9f96ee4f24d0 R15: ffff9f96ee4f1540 [320339.397095] FS: 0000000000000000(0000) GS:ffff9f96f7380000(0000) knlGS:0000000000000000 [320339.397096] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [320339.397097] CR2: 0000000000000000 CR3: 000000017200a001 CR4: 00000000003606e0 [320339.397097] Call Trace: [320339.397102] ? ath10k_conf_tx+0x12d/0x4c0 [ath10k_core] [320339.397125] ieee80211_bss_info_change_notify+0xa9/0x1c0 [mac80211] [320339.397135] ieee80211_reconfig+0x9d7/0x14f0 [mac80211] [320339.397146] wiphy_resume+0x7e/0x150 [cfg80211] [320339.397152] ? wiphy_namespace+0x10/0x10 [cfg80211] [320339.397155] dpm_run_callback+0x2e/0x130 [320339.397156] device_resume+0x97/0x190 [320339.397158] async_resume+0x19/0x40 [320339.397159] async_run_entry_fn+0x37/0xe0 [320339.397161] process_one_work+0x1e9/0x410 [320339.397162] worker_thread+0x2d/0x3d0 [320339.397164] ? process_one_work+0x410/0x410 [320339.397165] kthread+0x113/0x130 [320339.397167] ? kthread_park+0x90/0x90 [320339.397169] ret_from_fork+0x35/0x40 [320339.397170] ---[ end trace 99aad6e5b911fa07 ]--- .... Please let me know if you need an dmesg or any other informations. BR , Gabriel C.