I'm seeing similar behaviour; the NIC appears to be 'connected' to the AP but no packets appear to move.
root@vs85483:~# lspci | egrep Ath 3b:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter (rev 32) root@vs85483:~# root@vs85483:~# dmesg | grep ath10k [ 4.379983] ath10k_pci 0000:3b:00.0: enabling device (0000 -> 0002) [ 4.384471] ath10k_pci 0000:3b:00.0: pci irq msi oper_irq_mode 2 irq_mode 0 reset_mode 0 [ 4.670211] ath10k_pci 0000:3b:00.0: qca6174 hw3.2 target 0x05030000 chip_id 0x00340aff sub 1a56:1535 [ 4.670213] ath10k_pci 0000:3b:00.0: kconfig debug 0 debugfs 1 tracing 1 dfs 0 testmode 0 [ 4.670611] ath10k_pci 0000:3b:00.0: firmware ver WLAN.RM.4.4.1-00140-QCARMSWPZ-1 api 6 features wowlan,ignore-otp,mfp crc32 29eb8ca1 [ 4.735670] ath10k_pci 0000:3b:00.0: board_file api 2 bmi_id N/A crc32 4ac0889b [ 4.826897] ath10k_pci 0000:3b:00.0: unsupported HTC service id: 1536 [ 4.846191] ath10k_pci 0000:3b:00.0: htt-ver 3.60 wmi-op 4 htt-op 3 cal otp max-sta 32 raw 0 hwcrypto 1 [ 4.952299] ath10k_pci 0000:3b:00.0 wlp59s0: renamed from wlan0 [ 9.360405] ath10k_pci 0000:3b:00.0: unsupported HTC service id: 1536 root@vs85483:~# lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 20.04.2 LTS Release: 20.04 Codename: focal root@vs85483:~# root@vs85483:~# apt list --installed | egrep "^linux-firmware" [snip] linux-firmware/focal-updates,focal-updates,now 1.187.12 all [installed,automatic] root@vs85483:~# Plucked from lshw: product: XPS 15 9570 (087C) System firmware and apt managed packages all up to date as of today (2021/05/20). I'm happy to assist with further information/tests if that is helpful. -Lee -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-firmware in Ubuntu. https://bugs.launchpad.net/bugs/1856372 Title: Wifi drops, particularly under load Status in linux-firmware package in Ubuntu: Confirmed Bug description: On Ubuntu 18.04.3 LTS with Qualcomm Atheros QCA6174 wireless card, internet drops out, particularly when downloading at speeds ~1MB/s say via P2P torrent or ooka speedtest. The wifi connection (at least reported by wicd) remains active, but I cannot ping the router or access the internet. No error message is logged in journalctl after the internet drops. Details on my card, firmware and dmesg given below I'm not the only one with this issue: https://askubuntu.com/questions/1171813/wifi-randomly-or-under-load- disconnects-on-ubuntu-18-04-with-qualcomm-atheros The issue DOES NOT occur with wired connection (ethernet). ------------------------------------------------------------------------------------------------- *-network description: Wireless interface product: QCA6174 802.11ac Wireless Network Adapter vendor: Qualcomm Atheros physical id: 0 bus info: pci@0000:3a:00.0 logical name: wlp58s0 version: 32 serial: 9c:b6:d0:d4:9b:33 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=ath10k_pci driverversion=5.4.0-050400rc8-generic firmware=WLAN.RM.4.4.1-00140-QCARMSWPZ-1 latency=0 link=no multicast=yes wireless=IEEE 802.11 resources: irq:135 memory:dc000000-dc1fffff ------------------------------------------------------------------------------------------------- $ dmesg | grep ath10k [ 2.662000] ath10k_pci 0000:3a:00.0: enabling device (0000 -> 0002) [ 2.665299] ath10k_pci 0000:3a:00.0: pci irq msi oper_irq_mode 2 irq_mode 0 reset_mode 0 [ 2.950979] ath10k_pci 0000:3a:00.0: qca6174 hw3.2 target 0x05030000 chip_id 0x00340aff sub 1a56:1535 [ 2.950982] ath10k_pci 0000:3a:00.0: kconfig debug 0 debugfs 1 tracing 1 dfs 0 testmode 0 [ 2.951390] ath10k_pci 0000:3a:00.0: firmware ver WLAN.RM.4.4.1-00079-QCARMSWPZ-1 api 6 features wowlan,ignore-otp crc32 fd869beb [ 3.029754] ath10k_pci 0000:3a:00.0: board_file api 2 bmi_id N/A crc32 4ed3569e [ 3.108957] ath10k_pci 0000:3a:00.0: unsupported HTC service id: 1536 [ 3.128068] ath10k_pci 0000:3a:00.0: htt-ver 3.47 wmi-op 4 htt-op 3 cal otp max-sta 32 raw 0 hwcrypto 1 [ 3.216750] ath10k_pci 0000:3a:00.0 wlp58s0: renamed from wlan0 [ 3.828149] ath10k_pci 0000:3a:00.0: unsupported HTC service id: 1536 [ 14.519059] ath10k_pci 0000:3a:00.0: unsupported HTC service id: 1536 [ 15.014705] ath10k_pci 0000:3a:00.0: unsupported HTC service id: 1536 [ 1054.860682] ath10k_pci 0000:3a:00.0: unsupported HTC service id: 1536 [ 1055.385335] ath10k_pci 0000:3a:00.0: unsupported HTC service id: 1536 ------------------------------------------------------------------------------------------------- $ dmesg | grep pcieport [ 0.959817] pcieport 0000:00:1c.0: AER: enabled with IRQ 122 [ 0.960121] pcieport 0000:00:1c.4: AER: enabled with IRQ 123 [ 0.960397] pcieport 0000:00:1c.5: AER: enabled with IRQ 124 [ 0.960657] pcieport 0000:00:1d.0: AER: enabled with IRQ 125 [ 6.644709] pcieport 0000:02:01.0: bridge window [io 0x1000-0x0fff] to [bus 04-38] add_size 1000 [ 6.644711] pcieport 0000:02:02.0: bridge window [io 0x1000-0x0fff] to [bus 39] add_size 1000 [ 6.644713] pcieport 0000:02:02.0: bridge window [mem 0x00100000-0x000fffff 64bit pref] to [bus 39] add_size 200000 add_align 100000 [ 6.644716] pcieport 0000:01:00.0: bridge window [io 0x1000-0x0fff] to [bus 02-39] add_size 3000 [ 6.644719] pcieport 0000:01:00.0: BAR 13: no space for [io size 0x3000] [ 6.644721] pcieport 0000:01:00.0: BAR 13: failed to assign [io size 0x3000] [ 6.644723] pcieport 0000:01:00.0: BAR 13: no space for [io size 0x3000] [ 6.644724] pcieport 0000:01:00.0: BAR 13: failed to assign [io size 0x3000] [ 6.644728] pcieport 0000:02:02.0: BAR 15: no space for [mem size 0x00200000 64bit pref] [ 6.644729] pcieport 0000:02:02.0: BAR 15: failed to assign [mem size 0x00200000 64bit pref] [ 6.644731] pcieport 0000:02:01.0: BAR 13: no space for [io size 0x1000] [ 6.644732] pcieport 0000:02:01.0: BAR 13: failed to assign [io size 0x1000] [ 6.644734] pcieport 0000:02:02.0: BAR 13: no space for [io size 0x1000] [ 6.644735] pcieport 0000:02:02.0: BAR 13: failed to assign [io size 0x1000] [ 6.644738] pcieport 0000:02:02.0: BAR 15: no space for [mem size 0x00200000 64bit pref] [ 6.644739] pcieport 0000:02:02.0: BAR 15: failed to assign [mem size 0x00200000 64bit pref] [ 6.644740] pcieport 0000:02:02.0: BAR 13: no space for [io size 0x1000] [ 6.644741] pcieport 0000:02:02.0: BAR 13: failed to assign [io size 0x1000] [ 6.644743] pcieport 0000:02:01.0: BAR 13: no space for [io size 0x1000] [ 6.644744] pcieport 0000:02:01.0: BAR 13: failed to assign [io size 0x1000] [ 27.588309] pcieport 0000:02:01.0: bridge window [io 0x1000-0x0fff] to [bus 04-38] add_size 1000 [ 27.588315] pcieport 0000:02:02.0: bridge window [io 0x1000-0x0fff] to [bus 39] add_size 1000 [ 27.588320] pcieport 0000:02:02.0: bridge window [mem 0x00100000-0x000fffff 64bit pref] to [bus 39] add_size 200000 add_align 100000 [ 27.588325] pcieport 0000:01:00.0: bridge window [io 0x1000-0x0fff] to [bus 02-39] add_size 3000 [ 27.588334] pcieport 0000:01:00.0: BAR 13: no space for [io size 0x3000] [ 27.588337] pcieport 0000:01:00.0: BAR 13: failed to assign [io size 0x3000] [ 27.588342] pcieport 0000:01:00.0: BAR 13: no space for [io size 0x3000] [ 27.588344] pcieport 0000:01:00.0: BAR 13: failed to assign [io size 0x3000] [ 27.588357] pcieport 0000:02:02.0: BAR 15: no space for [mem size 0x00200000 64bit pref] [ 27.588360] pcieport 0000:02:02.0: BAR 15: failed to assign [mem size 0x00200000 64bit pref] [ 27.588363] pcieport 0000:02:01.0: BAR 13: no space for [io size 0x1000] [ 27.588366] pcieport 0000:02:01.0: BAR 13: failed to assign [io size 0x1000] [ 27.588369] pcieport 0000:02:02.0: BAR 13: no space for [io size 0x1000] [ 27.588371] pcieport 0000:02:02.0: BAR 13: failed to assign [io size 0x1000] [ 27.588378] pcieport 0000:02:02.0: BAR 15: no space for [mem size 0x00200000 64bit pref] [ 27.588381] pcieport 0000:02:02.0: BAR 15: failed to assign [mem size 0x00200000 64bit pref] [ 27.588384] pcieport 0000:02:02.0: BAR 13: no space for [io size 0x1000] [ 27.588387] pcieport 0000:02:02.0: BAR 13: failed to assign [io size 0x1000] [ 27.588390] pcieport 0000:02:01.0: BAR 13: no space for [io size 0x1000] [ 27.588392] pcieport 0000:02:01.0: BAR 13: failed to assign [io size 0x1000] [ 31.930841] pcieport 0000:00:1c.0: AER: Corrected error received: 0000:00:1c.0 [ 31.930852] pcieport 0000:00:1c.0: AER: PCIe Bus Error: severity=Corrected, type=Physical Layer, (Receiver ID) [ 31.930860] pcieport 0000:00:1c.0: AER: device [8086:9d10] error status/mask=00002001/00002000 [ 31.930866] pcieport 0000:00:1c.0: AER: [ 0] RxErr [ 32.005433] pcieport 0000:02:00.0: Refused to change power state, currently in D3 ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-firmware 1.173.13 Uname: Linux 5.4.0-050400rc8-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.9 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Sat Dec 14 00:35:05 2019 Dependencies: InstallationDate: Installed on 2017-02-26 (1020 days ago) InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2) PackageArchitecture: all SourcePackage: linux-firmware UpgradeStatus: Upgraded to bionic on 2018-10-06 (433 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1856372/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
