My Archer C7 V2 2.4GHz disconnects continue. As soon as it happens, which I always notice on my laptop, I check the log, and I always have this:
Thu Sep 24 18:08:38 2020 daemon.warn dnsmasq-dhcp[1760]: Ignoring domain lonzagroup.net for DHCP host name USPOL2022
This device USPOL2022 is indeed my laptop. Is it being blocked (ignored)?
So why is the host requesting that domain?
I'm an idiot when it comes to this stuff, so I apologize in advance. 
If I'm understanding correctly, you're asking why is USPOL2022 requesting lonzagroup? lonzagroup is my work.... and this is my work laptop, but the Ignoring part is what's weird to me, and where I'm wondering if it's causing wifi drops.
EDIT: And not sure if related, but in the Kernel Log, this stands out:
[ 31.398637] br-lan: port 2(wlan1) entered blocking state
... although I don't understand the number in brackets, or if it translates to a timestamp, to know when it's from.
Yes.
No but - that's why it's requesting the wrong domain.
Huh???
Is your LAN named lonzagroup.net?
If not, then that's your answer about "ignoring".
No, it's not related and nothing you described is a problem. It refers to the LAN bridge going up/down because of the second radio (wlan1).
Tell us about this problem. It seems to be your real concern.
Your laptop may have a domain member role to properly access network resources on your work.
Otherwise you can safely change its host/domain name.
Thanks for the comprehensive reply. I had a previous post trying to diagnose my issue a few weeks ago: Archer C7 V2 Troubleshooting Drops (Logs)
I've since been very close to buying a new WiFi Router, but am stubborn, and have spent far too much of my life on google trying to find solutions to my problem first. Basically just random WiFi drops. I think it was both 5 & 2.4, but I have since disabled 5 GHz to try and troubleshoot.
The LAN bridge going up down is ok? I have wondered about my bridge icons under Network > Interfaces, albeit, I'm using default settings on most things.
Is there anything specific I should do in LuCi for troubleshooting?
In the first 31 seconds, sure it's OK, it was likely coming online. Do you see other messages like this?
You haven't described a problem...yet...
(BTW, you don't have to make multiple replies to each poster, we can all see your single reply.)
If you mean make a change on my laptop, I doubt I can do that or should do that, as my company has everything locked down, and I lost my admin permissions. The main thing is this seems to be unrelated to my issue.
You can safely ignore this message.
This is most likely because the laptop is a member of your work domain.
Same thing on next line, but "entered forwarding state" and that's the last one. Here's the whole Kernel Log:
[ 0.000000] Linux version 4.14.171 (builder@buildhost) (gcc version 7.5.0 (OpenWrt GCC 7.5.0 r10947-65030d81f3)) #0 Thu Feb 27 21:05:12 2020
[ 0.000000] bootconsole [early0] enabled
[ 0.000000] CPU0 revision is: 00019750 (MIPS 74Kc)
[ 0.000000] MIPS: machine is TP-Link Archer C7 v2
[ 0.000000] SoC: Qualcomm Atheros QCA9558 ver 1 rev 0
[ 0.000000] Determined physical RAM map:
[ 0.000000] memory: 08000000 @ 00000000 (usable)
[ 0.000000] Initrd not found or empty - disabling initrd
[ 0.000000] Primary instruction cache 64kB, VIPT, 4-way, linesize 32 bytes.
[ 0.000000] Primary data cache 32kB, 4-way, VIPT, cache aliases, linesize 32 bytes
[ 0.000000] Zone ranges:
[ 0.000000] Normal [mem 0x0000000000000000-0x0000000007ffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000000000-0x0000000007ffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x0000000007ffffff]
[ 0.000000] On node 0 totalpages: 32768
[ 0.000000] free_area_init_node: node 0, pgdat 804fbf60, node_mem_map 81008c20
[ 0.000000] Normal zone: 256 pages used for memmap
[ 0.000000] Normal zone: 0 pages reserved
[ 0.000000] Normal zone: 32768 pages, LIFO batch:7
[ 0.000000] random: get_random_bytes called from 0x804ff740 with crng_init=0
[ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
[ 0.000000] pcpu-alloc: [0] 0
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 32512
[ 0.000000] Kernel command line: console=ttyS0,115200n8 rootfstype=squashfs,jffs2
[ 0.000000] PID hash table entries: 512 (order: -1, 2048 bytes)
[ 0.000000] Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
[ 0.000000] Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
[ 0.000000] Writing ErrCtl register=00000000
[ 0.000000] Readback ErrCtl register=00000000
[ 0.000000] Memory: 123300K/131072K available (4028K kernel code, 163K rwdata, 532K rodata, 1220K init, 212K bss, 7772K reserved, 0K cma-reserved)
[ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] NR_IRQS: 51
[ 0.000000] CPU clock: 720.000 MHz
[ 0.000000] clocksource: MIPS: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 5309056796 ns
[ 0.000007] sched_clock: 32 bits at 360MHz, resolution 2ns, wraps every 5965232126ns
[ 0.008297] Calibrating delay loop... 358.80 BogoMIPS (lpj=1794048)
[ 0.074985] pid_max: default: 32768 minimum: 301
[ 0.080063] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.087103] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.098246] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.108744] futex hash table entries: 256 (order: -1, 3072 bytes)
[ 0.115297] pinctrl core: initialized pinctrl subsystem
[ 0.122726] NET: Registered protocol family 16
[ 0.130456] PCI host bridge /ahb/pcie-controller@18250000 ranges:
[ 0.136985] MEM 0x0000000012000000..0x0000000013ffffff
[ 0.142540] IO 0x0000000000000001..0x0000000000000001
[ 0.162189] PCI host bridge to bus 0000:00
[ 0.166555] pci_bus 0000:00: root bus resource [mem 0x12000000-0x13ffffff]
[ 0.173902] pci_bus 0000:00: root bus resource [io 0x0001]
[ 0.179829] pci_bus 0000:00: root bus resource [??? 0x00000000 flags 0x0]
[ 0.187057] pci_bus 0000:00: No busn resource found for root bus, will use [bus 00-ff]
[ 0.195513] pci 0000:00:00.0: [168c:003c] type 00 class 0x028000
[ 0.195567] pci 0000:00:00.0: reg 0x10: [mem 0x00000000-0x001fffff 64bit]
[ 0.195621] pci 0000:00:00.0: reg 0x30: [mem 0x00000000-0x0000ffff pref]
[ 0.195695] pci 0000:00:00.0: supports D1 D2
[ 0.195869] pci_bus 0000:00: busn_res: [bus 00-ff] end is updated to 00
[ 0.195892] pci 0000:00:00.0: BAR 0: assigned [mem 0x12000000-0x121fffff 64bit]
[ 0.203717] pci 0000:00:00.0: BAR 6: assigned [mem 0x12200000-0x1220ffff pref]
[ 0.213792] clocksource: Switched to clocksource MIPS
[ 0.219986] NET: Registered protocol family 2
[ 0.225373] TCP established hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.232797] TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.239603] TCP: Hash tables configured (established 1024 bind 1024)
[ 0.246482] UDP hash table entries: 256 (order: 0, 4096 bytes)
[ 0.252711] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[ 0.259615] NET: Registered protocol family 1
[ 0.264313] PCI: CLS 0 bytes, default 32
[ 0.266686] Crashlog allocated RAM at address 0x3f00000
[ 0.273272] workingset: timestamp_bits=30 max_order=15 bucket_order=0
[ 0.284296] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 0.290495] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.
[ 0.308674] io scheduler noop registered
[ 0.312848] io scheduler deadline registered (default)
[ 0.318634] ar7200-usb-phy 18030000.usb-phy0: phy reset is missing
[ 0.325289] ar7200-usb-phy 18030010.usb-phy1: phy reset is missing
[ 0.333486] pinctrl-single 1804002c.pinmux: 544 pins at pa b804002c size 68
[ 0.341413] gpio-export gpio-export: 2 gpio(s) exported
[ 0.347725] Serial: 8250/16550 driver, 16 ports, IRQ sharing enabled
[ 0.356452] console [ttyS0] disabled
[ 0.360280] 18020000.uart: ttyS0 at MMIO 0x18020000 (irq = 9, base_baud = 2500000) is a 16550A
[ 0.369488] console [ttyS0] enabled
[ 0.376916] bootconsole [early0] disabled
[ 0.402987] m25p80 spi0.0: w25q128 (16384 Kbytes)
[ 0.407832] 3 fixed-partitions partitions found on MTD device spi0.0
[ 0.414291] Creating 3 MTD partitions on "spi0.0":
[ 0.419157] 0x000000000000-0x000000020000 : "u-boot"
[ 0.424869] 0x000000020000-0x000000ff0000 : "firmware"
[ 0.431041] 2 tplink-fw partitions found on MTD device firmware
[ 0.437090] Creating 2 MTD partitions on "firmware":
[ 0.442134] 0x000000000000-0x000000185bdf : "kernel"
[ 0.447773] 0x000000185be0-0x000000fd0000 : "rootfs"
[ 0.453377] mtd: device 3 (rootfs) set to be root filesystem
[ 0.459195] 1 squashfs-split partitions found on MTD device rootfs
[ 0.465496] 0x000000440000-0x000000fd0000 : "rootfs_data"
[ 0.471572] 0x000000ff0000-0x000001000000 : "art"
[ 0.477935] libphy: Fixed MDIO Bus: probed
[ 0.825491] libphy: ag71xx_mdio: probed
[ 0.832031] switch0: Atheros AR8327 rev. 4 switch registered on mdio-bus.0
[ 1.483097] ag71xx 19000000.eth: connected to PHY at mdio-bus.0:00 [uid=004dd034, driver=Atheros AR8216/AR8236/AR8316]
[ 1.494486] eth0: Atheros AG71xx at 0xb9000000, irq 4, mode: rgmii
[ 1.835377] ag71xx 1a000000.eth: connected to PHY at fixed-0:00 [uid=00000000, driver=Generic PHY]
[ 1.845000] eth1: Atheros AG71xx at 0xba000000, irq 5, mode: sgmii
[ 1.853422] NET: Registered protocol family 10
[ 1.862416] Segment Routing with IPv6
[ 1.866274] NET: Registered protocol family 17
[ 1.870820] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[ 1.883982] 8021q: 802.1Q VLAN Support v1.8
[ 1.890470] hctosys: unable to open rtc device (rtc0)
[ 1.902505] VFS: Mounted root (squashfs filesystem) readonly on device 31:3.
[ 1.914084] Freeing unused kernel memory: 1220K
[ 1.918677] This architecture does not have kernel memory protection.
[ 2.583808] random: fast init done
[ 2.627117] init: Console is alive
[ 2.630750] init: - watchdog -
[ 3.813942] kmodloader: loading kernel modules from /etc/modules-boot.d/*
[ 4.079486] usbcore: registered new interface driver usbfs
[ 4.085155] usbcore: registered new interface driver hub
[ 4.090628] usbcore: registered new device driver usb
[ 4.100714] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 4.108705] ehci-platform: EHCI generic platform driver
[ 4.114264] ehci-platform 1b000000.usb: EHCI Host Controller
[ 4.120045] ehci-platform 1b000000.usb: new USB bus registered, assigned bus number 1
[ 4.128076] ehci-platform 1b000000.usb: irq 14, io mem 0x1b000000
[ 4.163867] ehci-platform 1b000000.usb: USB 2.0 started, EHCI 1.00
[ 4.170838] hub 1-0:1.0: USB hub found
[ 4.174953] hub 1-0:1.0: 1 port detected
[ 4.179432] ehci-platform 1b400000.usb: EHCI Host Controller
[ 4.185252] ehci-platform 1b400000.usb: new USB bus registered, assigned bus number 2
[ 4.193271] ehci-platform 1b400000.usb: irq 15, io mem 0x1b400000
[ 4.223819] ehci-platform 1b400000.usb: USB 2.0 started, EHCI 1.00
[ 4.230778] hub 2-0:1.0: USB hub found
[ 4.234903] hub 2-0:1.0: 1 port detected
[ 4.239844] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
[ 4.257562] init: - preinit -
[ 5.420405] random: jshn: uninitialized urandom read (4 bytes read)
[ 5.666034] random: jshn: uninitialized urandom read (4 bytes read)
[ 5.831642] random: jshn: uninitialized urandom read (4 bytes read)
[ 7.096031] IPv6: ADDRCONF(NETDEV_UP): eth1: link is not ready
[ 7.102010] IPv6: ADDRCONF(NETDEV_UP): eth1.1: link is not ready
[ 7.143193] urandom_read: 4 callbacks suppressed
[ 7.143200] random: procd: uninitialized urandom read (4 bytes read)
[ 8.114927] eth1: link up (1000Mbps/Full duplex)
[ 8.119633] IPv6: ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
[ 8.126309] IPv6: ADDRCONF(NETDEV_CHANGE): eth1.1: link becomes ready
[ 10.378594] jffs2: notice: (489) jffs2_build_xattr_subsystem: complete building xattr subsystem, 26 of xdatum (2 unchecked, 24 orphan) and 48 of xref (24 dead, 0 orphan) found.
[ 10.397170] mount_root: switching to jffs2 overlay
[ 10.423422] overlayfs: upper fs does not support tmpfile.
[ 10.436107] urandom-seed: Seeding with /etc/urandom.seed
[ 10.540197] eth1: link down
[ 10.559355] procd: - early -
[ 10.562360] procd: - watchdog -
[ 11.227639] procd: - watchdog -
[ 11.231084] procd: - ubus -
[ 11.294899] random: ubusd: uninitialized urandom read (4 bytes read)
[ 11.303084] random: ubusd: uninitialized urandom read (4 bytes read)
[ 11.310714] procd: - init -
[ 12.520789] urngd: v1.0.2 started.
[ 12.614957] kmodloader: loading kernel modules from /etc/modules.d/*
[ 12.637484] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 12.671639] Loading modules backported from Linux version v4.19.98-0-gd183c8e2647a
[ 12.679355] Backport generated by backports.git v4.19.98-1-0-g8204eb99
[ 12.705760] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 12.730586] nf_conntrack version 0.5.0 (2048 buckets, 8192 max)
[ 12.795498] random: crng init done
[ 12.824572] xt_time: kernel timezone is -0000
[ 12.928156] PPP generic driver version 2.4.2
[ 12.944589] NET: Registered protocol family 24
[ 13.506573] ath10k 4.19 driver, optimized for CT firmware, probing pci device: 0x3c.
[ 13.524517] PCI: Enabling device 0000:00:00.0 (0000 -> 0002)
[ 13.530435] ath10k_pci 0000:00:00.0: pci irq legacy oper_irq_mode 1 irq_mode 0 reset_mode 0
[ 13.844237] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/fwcfg-pci-0000:00:00.0.txt failed with error -2
[ 13.854945] ath10k_pci 0000:00:00.0: Falling back to user helper
[ 14.154458] firmware ath10k!fwcfg-pci-0000:00:00.0.txt: firmware_loading_store: map pages failed
[ 14.163609] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/pre-cal-pci-0000:00:00.0.bin failed with error -2
[ 14.174497] ath10k_pci 0000:00:00.0: Falling back to user helper
[ 14.403680] firmware ath10k!pre-cal-pci-0000:00:00.0.bin: firmware_loading_store: map pages failed
[ 14.414734] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/QCA988X/hw2.0/ct-firmware-5.bin failed with error -2
[ 14.425883] ath10k_pci 0000:00:00.0: Falling back to user helper
[ 14.605665] firmware ath10k!QCA988X!hw2.0!ct-firmware-5.bin: firmware_loading_store: map pages failed
[ 14.615289] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/QCA988X/hw2.0/ct-firmware-2.bin failed with error -2
[ 14.626433] ath10k_pci 0000:00:00.0: Falling back to user helper
[ 14.807923] firmware ath10k!QCA988X!hw2.0!ct-firmware-2.bin: firmware_loading_store: map pages failed
[ 14.817552] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/QCA988X/hw2.0/firmware-6.bin failed with error -2
[ 14.828438] ath10k_pci 0000:00:00.0: Falling back to user helper
[ 15.010653] firmware ath10k!QCA988X!hw2.0!firmware-6.bin: firmware_loading_store: map pages failed
[ 15.020035] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/QCA988X/hw2.0/firmware-5.bin failed with error -2
[ 15.030916] ath10k_pci 0000:00:00.0: Falling back to user helper
[ 15.212342] firmware ath10k!QCA988X!hw2.0!firmware-5.bin: firmware_loading_store: map pages failed
[ 15.221711] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/QCA988X/hw2.0/firmware-4.bin failed with error -2
[ 15.232594] ath10k_pci 0000:00:00.0: Falling back to user helper
[ 15.412417] firmware ath10k!QCA988X!hw2.0!firmware-4.bin: firmware_loading_store: map pages failed
[ 15.421786] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/QCA988X/hw2.0/firmware-3.bin failed with error -2
[ 15.432670] ath10k_pci 0000:00:00.0: Falling back to user helper
[ 15.612600] firmware ath10k!QCA988X!hw2.0!firmware-3.bin: firmware_loading_store: map pages failed
[ 15.622190] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/QCA988X/hw2.0/firmware-2.bin failed with error -2
[ 15.633075] ath10k_pci 0000:00:00.0: Falling back to user helper
[ 15.813567] firmware ath10k!QCA988X!hw2.0!firmware-2.bin: firmware_loading_store: map pages failed
[ 15.822841] ath10k_pci 0000:00:00.0: Failed to find firmware-N.bin (N between 2 and 6) from ath10k/QCA988X/hw2.0: -11
[ 15.833631] ath10k_pci 0000:00:00.0: could not fetch firmware files (-11)
[ 15.840534] ath10k_pci 0000:00:00.0: could not probe fw (-11)
[ 15.919816] ath: EEPROM regdomain: 0x0
[ 15.919823] ath: EEPROM indicates default country code should be used
[ 15.919827] ath: doing EEPROM country->regdmn map search
[ 15.919839] ath: country maps to regdmn code: 0x3a
[ 15.919844] ath: Country alpha2 being used: US
[ 15.919848] ath: Regpair used: 0x3a
[ 15.937359] ieee80211 phy1: Selected rate control algorithm 'minstrel_ht'
[ 15.938834] ieee80211 phy1: Atheros AR9550 Rev:0 mem=0xb8100000, irq=12
[ 15.991503] kmodloader: done loading kernel modules from /etc/modules.d/*
[ 26.114937] IPv6: ADDRCONF(NETDEV_UP): eth1: link is not ready
[ 26.122006] eth1: link up (1000Mbps/Full duplex)
[ 26.133967] IPv6: ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
[ 26.158800] br-lan: port 1(eth1.1) entered blocking state
[ 26.164435] br-lan: port 1(eth1.1) entered disabled state
[ 26.170154] device eth1.1 entered promiscuous mode
[ 26.175054] device eth1 entered promiscuous mode
[ 26.228113] br-lan: port 1(eth1.1) entered blocking state
[ 26.233620] br-lan: port 1(eth1.1) entered forwarding state
[ 26.239439] IPv6: ADDRCONF(NETDEV_UP): br-lan: link is not ready
[ 26.475213] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 26.516107] br-wan: port 1(eth0.2) entered blocking state
[ 26.521587] br-wan: port 1(eth0.2) entered disabled state
[ 26.527367] device eth0.2 entered promiscuous mode
[ 26.532233] device eth0 entered promiscuous mode
[ 26.611390] IPv6: ADDRCONF(NETDEV_UP): br-wan: link is not ready
[ 27.184315] IPv6: ADDRCONF(NETDEV_CHANGE): br-lan: link becomes ready
[ 27.574077] eth0: link up (1000Mbps/Full duplex)
[ 27.593996] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 27.633905] br-wan: port 1(eth0.2) entered blocking state
[ 27.639391] br-wan: port 1(eth0.2) entered forwarding state
[ 27.805090] IPv6: ADDRCONF(NETDEV_CHANGE): br-wan: link becomes ready
[ 30.362057] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
[ 30.429505] br-lan: port 2(wlan1) entered blocking state
[ 30.434949] br-lan: port 2(wlan1) entered disabled state
[ 30.440654] device wlan1 entered promiscuous mode
[ 31.391990] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 31.398637] br-lan: port 2(wlan1) entered blocking state
[ 31.404073] br-lan: port 2(wlan1) entered forwarding state
Random 2.4GHz drops. I can't identify a pattern. Doesn't seem to be caused by high usage. I can be the only one in the house actively using a device (laptop), and even then not doing anything wifi intensive. I've reduced my devices on wifi to just 2 iPhones, 2 laptops, 3 Amazon Echo's, an Apple Watch, and a Roku Ultra, but the issues persist. You might have seen from the other topic that as well as disabling 5GHz, I also tried installing kmod-ath10k-ct-smallbuffers, deleting WAN6 / IPv6, tried different channels, different Widths, different max transmit power. No change. Hard Wired devices have never been impacted. I had been thinking all wifi devices were impacted at once, but that was not true as of this evening at least; laptop lost connection, iphone ok. Did not check anything other devices. Usually though, if multiple people in the house are on wifi and using devices, we all notice the disconnect at the same time. Always reboot the router to resolve; sometimes though LuCi, sometimes I unplug Router for anything from 5 minutes to an hour.
Please let me know if there's any other info I can provide.
Thank you.
Common...really?
I didn't mean milliseconds later.
No...are you cross posting too!!?!?
Thanks for finally providing any info...I'm not sure if I'm going to be cross reading. I'd say this thread (as titled) is resolved by my description, and @vgaetera's direct answer after you provided clarity. Best of luck.
I don't want to crash the party here, but I'm seeing similar symptoms with my work laptop (obviously requesting a different domain).
When I see this message I usually see 5 in a row, then I'll get a ~5 second drop in connectivity (wired) and then it will be fine again. Usually see the same pattern every 30 or so minutes. The drop is usually short enough to not disrupt anything, but causes a stutter in video conferencing.
So while I understand that the message is harmless, there's something going on, either related or happening at the same time, that is causing trouble.
Googling this problems brings up loads of results for 2020, now that many people are working from home. So I wouldn't dismiss this as a non issue. I just don't think it's entirely wifi related, just most people operating over wifi.
Sorry for bad english...
I have an Archer c7 and sometimes random wi-fi drop or freeze with Android celphone and Android tv. It started in 18.* firmware when used services transmission, minidlna, miniupnp, samba, USB tools... A lot of services, I mean
I tryed to flash again but it continues, so I wait for new firmware but 19 does not fix it until now
I've been clear on what I think the issue is...or maybe I haven't...
Usually wlan1 is the 5.4 GHz WiFi. But (I assume) all three posters are having issue with 2.4 GHz as the OP notes.
Rationalle:
Can you show the log, please?
I'm not sure if you mean the br-lan log entry, the domain log entry - or both.
I'll check if I can get a log tomorrow during a stutter event.
I'm getting the symptom wired by the way, so slightly different to OP but I think there's something else going on and wifi is possibly an innocent bystander
I have the messages, not as frequently today and no stuttering. Will post back if it does it again.
Typical intermittent issue. Bah humbug.