It has happened several times that my wifi didn't work after starting. When I look at the dmesg output I see an error which looks like a kernel oops, except for the fact that the word oops is not used:
[ 24.412326] CPU: 2 PID: 1391 Comm: Web Content Not tainted 4.19.0-6-amd64 #1 Debian 4.19.67-2+deb10u2 [ 24.412327] Hardware name: LENOVO 80XL/LNVNB161216, BIOS 4WCN29WW 09/30/2017 [ 24.412336] RIP: 0010:ath10k_htt_rx_pop_paddr.isra.29+0xd8/0xf0 [ath10k_core] [ 24.412338] Code: 48 8b 8f 10 02 00 00 48 85 c9 74 27 48 8b 41 28 48 85 c0 74 19 45 31 c0 b9 02 00 00 00 49 8b 31 e8 9d 63 82 dc 48 89 d8 5b c3 <0f> 0b 31 db 48 89 d8 5b c3 48 8b 0d 68 59 e4 dc eb d0 66 0f 1f 44 [ 24.412339] RSP: 0000:ffffa0b9aab03dc0 EFLAGS: 00010246 [ 24.412340] RAX: 0000000000000000 RBX: ffffa0b9aab03e60 RCX: ffffa0b9a2621540 [ 24.412341] RDX: 0000000085bd8000 RSI: ffffa0b9a2621f2c RDI: ffffa0b9a2621e38 [ 24.412342] RBP: 0000000000000000 R08: 0000000000200000 R09: 0000000000000000 [ 24.412343] R10: ffffa0b875c7e420 R11: 00000000000001ff R12: ffffa0b98b1476d0 [ 24.412344] R13: ffffa0b9a2621f2c R14: ffffa0b9aab03e48 R15: 0000000000000000 [ 24.412345] FS: 00007fb0bc147780(0000) GS:ffffa0b9aab00000(0000) knlGS:0000000000000000 [ 24.412347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.412348] CR2: 00007fb0aa004008 CR3: 000000005d3ce001 CR4: 00000000003606e0 [ 24.412348] Call Trace: [ 24.412351] <IRQ> [ 24.412359] ath10k_htt_txrx_compl_task+0x363/0xd00 [ath10k_core] [ 24.412365] ath10k_pci_napi_poll+0x4f/0x100 [ath10k_pci] [ 24.412368] net_rx_action+0x149/0x3b0 [ 24.412372] __do_softirq+0xde/0x2d8 [ 24.412375] irq_exit+0xba/0xc0 [ 24.412377] do_IRQ+0x7f/0xe0 [ 24.412379] common_interrupt+0xf/0xf [ 24.412380] </IRQ> [ 24.412382] RIP: 0033:0x7fb0b9cf24ae [ 24.412383] Code: 41 54 c1 ea 08 41 89 f4 31 f6 55 0f b7 d2 53 48 89 fb 48 83 ec 08 e8 c1 f9 ff ff 48 63 e8 85 ed 78 1a 48 03 5b 08 48 03 1c eb <49> 89 dd 48 83 c4 08 4c 89 e8 5b 5d 41 5c 41 5d c3 90 be 20 00 00 [ 24.412384] RSP: 002b:00007ffe2f452aa0 EFLAGS: 00000207 ORIG_RAX: ffffffffffffffda [ 24.412386] RAX: 0000000000000013 RBX: 00007fb0aa004ac0 RCX: 0000000000000030 [ 24.412387] RDX: 0000000000000030 RSI: 0000000000000013 RDI: 00007fb0aa1f9140 [ 24.412387] RBP: 0000000000000013 R08: 0000000000000013 R09: 0000000000000030 [ 24.412388] R10: 0000000000000014 R11: 00007fb0bc30d3e0 R12: 0000000000003008 [ 24.412389] R13: 00007fb0aa1fa48c R14: 000000000000303f R15: 0000000000003000 [ 24.412391] ---[ end trace 2ab80350c843aa30 ]--- [ 24.412395] ath10k_pci 0000:02:00.0: failed to pop paddr list: -2 [ 32.341851] wlp2s0: deauthenticated from <censored ssid> (Reason: 15=4WAY_HANDSHAKE_TIMEOUT) [ 32.542989] wlp2s0: authenticate with <censored ssid> [ 32.582276] wlp2s0: send auth to <censored ssid> (try 1/3) [ 32.584662] wlp2s0: authenticated [ 32.587723] wlp2s0: associate with <censored ssid> (try 1/3) [ 32.591685] wlp2s0: RX AssocResp from <censored ssid> (capab=0x1411 status=0 aid=1) [ 32.594049] wlp2s0: associated [ 40.523347] wlp2s0: deauthenticated from <censored ssid> (Reason: 15=4WAY_HANDSHAKE_TIMEOUT) [ 45.498442] wlp2s0: authenticate with <censored ssid> [ 45.529899] wlp2s0: send auth to <censored ssid> (try 1/3) [ 45.530535] wlp2s0: authenticated [ 45.537679] wlp2s0: associate with <censored ssid> (try 1/3) [ 45.538877] wlp2s0: RX AssocResp from <censored ssid> (capab=0x1011 status=0 aid=2) [ 45.544682] wlp2s0: associated I have searched for this issue in the bug tracker at https://www.debian.org/Bugs/#pkgreport. However I couldn't find another issue regarding ath10k. Did I search badly, or is this issue not yet known? If so, should I report this with a package of linux-image-4.19.0-6-amd64, or firmware-atheros? Thanks in advance for reply. NB: Below is some information about my system: $ uname -a Linux <censored> 4.19.0-6-amd64 #1 SMP Debian 4.19.67-2+deb10u2 (2019-11-11) x86_64 GNU/Linux $ cat /etc/os-release PRETTY_NAME="Debian GNU/Linux 10 (buster)" NAME="Debian GNU/Linux" VERSION_ID="10" VERSION="10 (buster)" VERSION_CODENAME=buster ID=debian HOME_URL="https://www.debian.org/" SUPPORT_URL="https://www.debian.org/support" BUG_REPORT_URL="https://bugs.debian.org/" $ dpkg --status firmware-atheros Package: firmware-atheros Status: install ok installed Priority: optional Section: non-free/kernel Installed-Size: 10856 Maintainer: Debian Kernel Team <debian-ker...@lists.debian.org> Architecture: all Multi-Arch: foreign Source: firmware-nonfree Version: 20190114-2 Suggests: initramfs-tools [description omitted] $ dpkg --status linux-image-4.19.0-6-amd64 Package: linux-image-4.19.0-6-amd64 Status: install ok installed Priority: optional Section: kernel Installed-Size: 262512 Maintainer: Debian Kernel Team <debian-ker...@lists.debian.org> Architecture: amd64 Source: linux-signed-amd64 (4.19.67+2+deb10u2) Version: 4.19.67-2+deb10u2 Replaces: linux-image-4.19.0-6-amd64-unsigned Depends: kmod, linux-base (>= 4.3~), initramfs-tools (>= 0.120+deb8u2) | linux-initramfs-tool Recommends: firmware-linux-free, apparmor Suggests: linux-doc-4.19, debian-kernel-handbook, grub-pc | grub-efi-amd64 | extlinux Breaks: initramfs-tools (<< 0.120+deb8u2), xserver-xorg-input-vmmouse (<< 1:13.0.99) Conflicts: linux-image-4.19.0-6-amd64-unsigned Description: Linux 4.19 for 64-bit PCs (signed) The Linux kernel 4.19 and modules for use on PCs with AMD64, Intel 64 or VIA Nano processors. . The kernel image and modules are signed for use with Secure Boot. Built-Using: linux (= 4.19.67-2+deb10u2) Homepage: https://www.kernel.org/ $ sudo dmesg [...] [ 5.947462] ath10k_pci 0000:02:00.0: pci irq msi oper_irq_mode 2 irq_mode 0 reset_mode 0 [...] [ 6.224214] ath10k_pci 0000:02:00.0: firmware: failed to load ath10k/pre-cal-pci-0000:02:00.0.bin (-2) [ 6.224355] ath10k_pci 0000:02:00.0: firmware: failed to load ath10k/cal-pci-0000:02:00.0.bin (-2) [ 6.230514] ath10k_pci 0000:02:00.0: firmware: direct-loading firmware ath10k/QCA9377/hw1.0/firmware-6.bin [ 6.230533] ath10k_pci 0000:02:00.0: qca9377 hw1.1 target 0x05020001 chip_id 0x003821ff sub 17aa:0901 [ 6.230539] ath10k_pci 0000:02:00.0: kconfig debug 0 debugfs 0 tracing 0 dfs 0 testmode 0 [ 6.232305] ath10k_pci 0000:02:00.0: firmware ver WLAN.TF.2.1-00021-QCARMSWP-1 api 6 features wowlan,ignore-otp crc32 42e41877 [ 6.298172] ath10k_pci 0000:02:00.0: firmware: direct-loading firmware ath10k/QCA9377/hw1.0/board-2.bin [ 6.298910] ath10k_pci 0000:02:00.0: board_file api 2 bmi_id N/A crc32 8aedfa4a [ 6.571755] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 6.571757] Bluetooth: BNEP filters: protocol multicast [ 6.571760] Bluetooth: BNEP socket layer initialized [ 6.876433] IPv6: ADDRCONF(NETDEV_UP): enp1s0: link is not ready [ 6.879522] r8169 0000:01:00.0: firmware: direct-loading firmware rtl_nic/rtl8168g-3.fw [ 6.879746] Generic PHY r8169-100:00: attached PHY driver [Generic PHY] (mii_bus:phy_addr=r8169-100:00, irq=IGNORE) [ 6.934747] ath10k_pci 0000:02:00.0: Unknown eventid: 118809 [ 6.937568] ath10k_pci 0000:02:00.0: Unknown eventid: 90118 [ 6.938178] ath10k_pci 0000:02:00.0: htt-ver 3.56 wmi-op 4 htt-op 3 cal otp max-sta 32 raw 0 hwcrypto 1 [ 6.941424] ath: EEPROM regdomain: 0x6c [ 6.941426] ath: EEPROM indicates we should expect a direct regpair map [ 6.941430] ath: Country alpha2 being used: 00 [ 6.941431] ath: Regpair used: 0x6c [ 6.989580] IPv6: ADDRCONF(NETDEV_UP): enp1s0: link is not ready [ 7.002064] ath10k_pci 0000:02:00.0 wlp2s0: renamed from wlan0 [ 7.041271] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready [ 7.811345] ath10k_pci 0000:02:00.0: Unknown eventid: 118809 [ 7.814092] ath10k_pci 0000:02:00.0: Unknown eventid: 90118 [ 7.828879] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready [ 12.877313] fuse init (API version 7.27) [ 13.574100] Bluetooth: RFCOMM TTY layer initialized [ 13.574105] Bluetooth: RFCOMM socket layer initialized [ 13.574110] Bluetooth: RFCOMM ver 1.11 [ 13.695667] ath10k_pci 0000:02:00.0: wmi service ready event not received [ 13.698740] ath10k_pci 0000:02:00.0: Could not init core: -110 [ 14.503535] ath10k_pci 0000:02:00.0: Unknown eventid: 118809 [ 14.506394] ath10k_pci 0000:02:00.0: Unknown eventid: 90118 [ 14.518744] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready [ 14.622393] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready [ 19.488854] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready [ 24.365500] wlp2s0: authenticate with <censored ssid> [ 24.396603] wlp2s0: send auth to <censored ssid> (try 1/3) [ 24.398576] wlp2s0: authenticated [ 24.403661] wlp2s0: associate with <censored ssid> (try 1/3) [ 24.404816] wlp2s0: RX AssocResp from <censored ssid> (capab=0x1011 status=0 aid=2) [ 24.407946] wlp2s0: associated [ 24.412253] WARNING: CPU: 2 PID: 1391 at drivers/net/wireless/ath/ath10k/htt_rx.c:46 ath10k_htt_rx_pop_paddr.isra.29+0xd8/0xf0 [ath10k_core] [ 24.412255] Modules linked in: rfcomm fuse arc4 cpufreq_powersave cpufreq_conservative cpufreq_userspace bnep binfmt_misc nls_ascii intel_rapl nls_cp437 snd_soc_skl vfat snd_soc_skl_ipc fat snd_hda_codec_hdmi snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core ath10k_pci snd_soc_acpi_intel_match snd_hda_codec_generic snd_soc_acpi x86_pkg_temp_thermal intel_powerclamp ath10k_core coretemp snd_soc_core btusb kvm_intel snd_compress btrtl btbcm ath btintel kvm snd_hda_intel mac80211 snd_hda_codec bluetooth uvcvideo irqbypass snd_hda_core videobuf2_vmalloc efi_pstore videobuf2_memops videobuf2_v4l2 crct10dif_pclmul crc32_pclmul snd_hwdep videobuf2_common snd_pcm drbg videodev snd_timer cfg80211 ghash_clmulni_intel intel_cstate intel_uncore ansi_cprng mei_me media intel_rapl_perf wmi_bmof ecdh_generic joydev [ 24.412290] snd iTCO_wdt serio_raw iTCO_vendor_support efivars sg soundcore mei idma64 intel_pch_thermal ideapad_laptop pcc_cpufreq evdev sparse_keymap rfkill acpi_pad battery ac parport_pc ppdev lp parport efivarfs ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2 crc32c_generic fscrypto ecb sd_mod usbhid i915 crc32c_intel hid_rmi rmi_core hid_generic i2c_algo_bit drm_kms_helper ahci libahci aesni_intel xhci_pci aes_x86_64 xhci_hcd r8169 crypto_simd drm cryptd libata glue_helper usbcore i2c_i801 scsi_mod realtek libphy i2c_hid usb_common intel_lpss_pci hid intel_lpss wmi button video [ 24.412326] CPU: 2 PID: 1391 Comm: Web Content Not tainted 4.19.0-6-amd64 #1 Debian 4.19.67-2+deb10u2 [ 24.412327] Hardware name: LENOVO 80XL/LNVNB161216, BIOS 4WCN29WW 09/30/2017 [ 24.412336] RIP: 0010:ath10k_htt_rx_pop_paddr.isra.29+0xd8/0xf0 [ath10k_core] [ 24.412338] Code: 48 8b 8f 10 02 00 00 48 85 c9 74 27 48 8b 41 28 48 85 c0 74 19 45 31 c0 b9 02 00 00 00 49 8b 31 e8 9d 63 82 dc 48 89 d8 5b c3 <0f> 0b 31 db 48 89 d8 5b c3 48 8b 0d 68 59 e4 dc eb d0 66 0f 1f 44 [ 24.412339] RSP: 0000:ffffa0b9aab03dc0 EFLAGS: 00010246 [ 24.412340] RAX: 0000000000000000 RBX: ffffa0b9aab03e60 RCX: ffffa0b9a2621540 [ 24.412341] RDX: 0000000085bd8000 RSI: ffffa0b9a2621f2c RDI: ffffa0b9a2621e38 [ 24.412342] RBP: 0000000000000000 R08: 0000000000200000 R09: 0000000000000000 [ 24.412343] R10: ffffa0b875c7e420 R11: 00000000000001ff R12: ffffa0b98b1476d0 [ 24.412344] R13: ffffa0b9a2621f2c R14: ffffa0b9aab03e48 R15: 0000000000000000 [ 24.412345] FS: 00007fb0bc147780(0000) GS:ffffa0b9aab00000(0000) knlGS:0000000000000000 [ 24.412347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.412348] CR2: 00007fb0aa004008 CR3: 000000005d3ce001 CR4: 00000000003606e0 [ 24.412348] Call Trace: [ 24.412351] <IRQ> [ 24.412359] ath10k_htt_txrx_compl_task+0x363/0xd00 [ath10k_core] [ 24.412365] ath10k_pci_napi_poll+0x4f/0x100 [ath10k_pci] [ 24.412368] net_rx_action+0x149/0x3b0 [ 24.412372] __do_softirq+0xde/0x2d8 [ 24.412375] irq_exit+0xba/0xc0 [ 24.412377] do_IRQ+0x7f/0xe0 [ 24.412379] common_interrupt+0xf/0xf [ 24.412380] </IRQ> [ 24.412382] RIP: 0033:0x7fb0b9cf24ae [ 24.412383] Code: 41 54 c1 ea 08 41 89 f4 31 f6 55 0f b7 d2 53 48 89 fb 48 83 ec 08 e8 c1 f9 ff ff 48 63 e8 85 ed 78 1a 48 03 5b 08 48 03 1c eb <49> 89 dd 48 83 c4 08 4c 89 e8 5b 5d 41 5c 41 5d c3 90 be 20 00 00 [ 24.412384] RSP: 002b:00007ffe2f452aa0 EFLAGS: 00000207 ORIG_RAX: ffffffffffffffda [ 24.412386] RAX: 0000000000000013 RBX: 00007fb0aa004ac0 RCX: 0000000000000030 [ 24.412387] RDX: 0000000000000030 RSI: 0000000000000013 RDI: 00007fb0aa1f9140 [ 24.412387] RBP: 0000000000000013 R08: 0000000000000013 R09: 0000000000000030 [ 24.412388] R10: 0000000000000014 R11: 00007fb0bc30d3e0 R12: 0000000000003008 [ 24.412389] R13: 00007fb0aa1fa48c R14: 000000000000303f R15: 0000000000003000 [ 24.412391] ---[ end trace 2ab80350c843aa30 ]--- [ 24.412395] ath10k_pci 0000:02:00.0: failed to pop paddr list: -2 [ 32.341851] wlp2s0: deauthenticated from <censored ssid> (Reason: 15=4WAY_HANDSHAKE_TIMEOUT) [ 32.542989] wlp2s0: authenticate with <censored ssid> [ 32.582276] wlp2s0: send auth to <censored ssid> (try 1/3) [ 32.584662] wlp2s0: authenticated [ 32.587723] wlp2s0: associate with <censored ssid> (try 1/3) [ 32.591685] wlp2s0: RX AssocResp from <censored ssid> (capab=0x1411 status=0 aid=1) [ 32.594049] wlp2s0: associated [ 40.523347] wlp2s0: deauthenticated from <censored ssid> (Reason: 15=4WAY_HANDSHAKE_TIMEOUT) [ 45.498442] wlp2s0: authenticate with <censored ssid> [ 45.529899] wlp2s0: send auth to <censored ssid> (try 1/3) [ 45.530535] wlp2s0: authenticated [ 45.537679] wlp2s0: associate with <censored ssid> (try 1/3) [ 45.538877] wlp2s0: RX AssocResp from <censored ssid> (capab=0x1011 status=0 aid=2) [ 45.544682] wlp2s0: associated [ 53.470195] wlp2s0: deauthenticated from <censored ssid> (Reason: 15=4WAY_HANDSHAKE_TIMEOUT) [ 53.666811] wlp2s0: authenticate with <censored ssid> [ 53.705517] wlp2s0: send auth to <censored ssid> (try 1/3) [ 53.707173] wlp2s0: authenticated [ 53.707651] wlp2s0: associate with <censored ssid> (try 1/3) [ 53.713253] wlp2s0: RX AssocResp from <censored ssid> (capab=0x1411 status=0 aid=1) [ 53.715854] wlp2s0: associated [ 61.643635] wlp2s0: deauthenticated from <censored ssid> (Reason: 15=4WAY_HANDSHAKE_TIMEOUT) [ 66.629971] wlp2s0: authenticate with <censored ssid> [ 66.661543] wlp2s0: send auth to <censored ssid> (try 1/3) [ 66.662225] wlp2s0: authenticated [ 66.667672] wlp2s0: associate with <censored ssid> (try 1/3) [ 66.669964] wlp2s0: RX AssocResp from <censored ssid> (capab=0x1011 status=0 aid=2) [ 66.674495] wlp2s0: associated [ 69.999484] wlp2s0: deauthenticating from <censored ssid> by local choice (Reason: 3=DEAUTH_LEAVING) [ 70.016352] wlp2s0: authenticate with <censored ssid> [ 70.046273] wlp2s0: send auth to <censored ssid> (try 1/3) [ 70.046891] wlp2s0: authenticated [ 70.047695] wlp2s0: associate with <censored ssid> (try 1/3) [ 70.048757] wlp2s0: RX AssocResp from <censored ssid> (capab=0x1011 status=0 aid=2) [ 70.051230] wlp2s0: associated [ 77.980559] wlp2s0: deauthenticated from <censored ssid> (Reason: 15=4WAY_HANDSHAKE_TIMEOUT) [ 93.023535] wlp2s0: authenticate with <censored ssid> [ 93.062069] wlp2s0: send auth to <censored ssid> (try 1/3) [ 93.064337] wlp2s0: authenticated [ 93.067664] wlp2s0: associate with <censored ssid> (try 1/3) [ 93.071672] wlp2s0: RX AssocResp from <censored ssid> (capab=0x1411 status=0 aid=1) [ 93.074583] wlp2s0: associated [ 95.000203] wlp2s0: deauthenticating from <censored ssid> by local choice (Reason: 3=DEAUTH_LEAVING) [ 95.009476] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready [ 95.016986] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready