Does this indicate anything in particular? I've been toying around with this for a while on stable releases (Pi firmware and OpenWRT) but the issue still arises when I've updated to a snapshot version and beta firmware.
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 425.995703] ------------[ cut here ]------------
Fri Aug 25 07:50:03 2023 kern.info kernel: [ 426.000362] NETDEV WATCHDOG: wwan0 (qmi_wwan): transmit queue 0 timed out
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.007205] WARNING: CPU: 2 PID: 0 at net/sched/sch_generic.c:525 dev_watchdog+0x240/0x250
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.015501] Modules linked in: pppoe ppp_async option nft_fib_inet nf_flow_table_inet brcmfmac wireguard usb_wwan qmi_wwan pppox ppp_generic nft_reject_ipv6 nft_reject_ipv4 nft_reject_inet nft_reject nft_redir nft_quota nft_objref nft_numgen nft_nat nft_masq nft_log nft_limit nft_hash nft_flow_offload nft_fib_ipv6 nft_fib_ipv4 nft_fib nft_ct nft_chain_nat nf_tables nf_nat nf_flow_table nf_conntrack libchacha20poly1305 chacha_neon cfg80211 usbserial usbnet usbhid slhc r8169 poly1305_neon nfnetlink nf_reject_ipv6 nf_reject_ipv4 nf_log_syslog nf_defrag_ipv6 nf_defrag_ipv4 libcurve25519_generic libcrc32c libchacha lan78xx hid_generic crc_ccitt compat cdc_wdm brcmutil snd_bcm2835(C) hid evdev ip6_udp_tunnel udp_tunnel snd_rawmidi snd_seq_device snd_pcm_oss snd_pcm_dmaengine snd_mixer_oss snd_hwdep snd_compress snd_pcm snd_timer snd soundcore nls_utf8 kpp nls_iso8859_1 nls_cp437 uhci_hcd ohci_platform ohci_hcd fsl_mph_dr_of ehci_platform ehci_fsl ehci_hcd vfat fat realtek microchip
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.102341] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G C 6.1.46 #0
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.109750] Hardware name: Raspberry Pi 4 Model B Rev 1.4 (DT)
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.115585] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.122556] pc : dev_watchdog+0x240/0x250
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.126574] lr : dev_watchdog+0x240/0x250
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.130590] sp : ffffffc008cbbe20
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.133905] x29: ffffffc008cbbe20 x28: ffffffc008c54000 x27: ffffffc008cbbf00
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.141059] x26: 00000000000000e0 x25: ffffffc008c54648 x24: 00000000000000a0
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.148211] x23: 0000000000000000 x22: ffffffc008b36000 x21: 0000000000000000
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.155361] x20: ffffff81016ac000 x19: ffffff81016ac4c0 x18: 0000000000000128
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.162510] x17: ffffffc1f647e000 x16: ffffffc008cb8000 x15: ffffffc008b4a900
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.169660] x14: 0000000000000378 x13: 0000000000000128 x12: 00000000ffffffea
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.176809] x11: 00000000ffffefff x10: ffffffc008ba2900 x9 : ffffffc008b4a8a8
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.183958] x8 : 0000000000017fe8 x7 : c0000000ffffefff x6 : 0000000000000001
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.191108] x5 : 0000000000000000 x4 : 0000000000000040 x3 : 0000000000000004
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.198256] x2 : 0000000000000000 x1 : 0000000000000005 x0 : 000000000000003d
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.205405] Call trace:
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.207851] dev_watchdog+0x240/0x250
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.211522] call_timer_fn.constprop.0+0x24/0x80
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.216152] __run_timers.part.0+0x238/0x284
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.220432] run_timer_softirq+0x3c/0x7c
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.224364] _stext+0x10c/0x290
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.227509] ____do_softirq+0x10/0x20
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.231176] call_on_irq_stack+0x24/0x58
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.235103] do_softirq_own_stack+0x1c/0x30
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.239291] __irq_exit_rcu+0xc4/0xf0
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.242959] irq_exit_rcu+0x10/0x20
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.246452] el1_interrupt+0x38/0x5c
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.250032] el1h_64_irq_handler+0x18/0x2c
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.254132] el1h_64_irq+0x68/0x6c
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.257537] arch_cpu_idle+0x18/0x2c
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.261116] default_idle_call+0x30/0x74
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.265049] do_idle+0x230/0x294
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.268280] cpu_startup_entry+0x24/0x30
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.272205] secondary_start_kernel+0x128/0x130
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.276743] __secondary_switched+0xb0/0xb4
Fri Aug 25 07:50:03 2023 kern.warn kernel: [ 426.280937] ---[ end trace 0000000000000000 ]---
Fri Aug 25 07:50:08 2023 daemon.info watchcat[2982]: Could not reach 1.1.1.1 via "wwan0" for "10" seconds. Running script after reaching "70" seconds
Fri Aug 25 07:50:18 2023 daemon.info watchcat[2982]: Could not reach 1.1.1.1 via "wwan0" for "20" seconds. Running script after reaching "70" seconds
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 443.998257] xhci_hcd 0000:01:00.0: WARN Successful completion on short TX
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.005083] xhci_hcd 0000:01:00.0: URB req 71 and actual 451 transfer length mismatch
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.012928] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.023289] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082e40 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.039129] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.049486] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082e50 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.065321] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.075678] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082e60 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.091513] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.101869] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082e70 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.117704] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.128060] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082e80 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.143894] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.154249] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082e90 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.170083] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.180438] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082ea0 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.196270] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.206616] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082eb0 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.222487] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.232835] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082ec0 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.248657] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.259003] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082ed0 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.274845] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.285194] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082ee0 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.301039] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.311386] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082ef0 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.327226] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.337575] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082f00 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.353414] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.363762] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082f10 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.379583] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.389930] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082f20 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.405771] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.416120] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082f30 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.431941] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.442287] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082f40 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.458131] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.468480] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082f50 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.484301] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.494647] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082f60 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.510493] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.520841] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082f70 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.536662] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.547009] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082f80 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.562856] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.573205] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082f90 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.589027] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.599373] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440082fa0 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.615229] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.625580] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056000 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.641401] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:21 2023 kern.warn kernel: [ 444.651746] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056010 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:21 2023 kern.err kernel: [ 444.667567] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 444.677913] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056020 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 444.693770] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 444.704119] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056040 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 444.719940] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 444.730286] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056050 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 444.746108] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 444.756455] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056060 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 444.772302] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 444.782657] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056070 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 444.798479] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 444.808825] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056080 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 444.824680] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 444.835032] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056090 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 444.851418] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 444.861786] xhci_hcd 0000:01:00.0: Looking for event-dma 00000004400560a0 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 444.877644] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 444.888001] xhci_hcd 0000:01:00.0: Looking for event-dma 00000004400560b0 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 444.903824] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 444.914170] xhci_hcd 0000:01:00.0: Looking for event-dma 00000004400560c0 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 444.930028] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 444.940383] xhci_hcd 0000:01:00.0: Looking for event-dma 00000004400560d0 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 444.956236] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 444.966586] xhci_hcd 0000:01:00.0: Looking for event-dma 00000004400560e0 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 444.982406] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 444.992752] xhci_hcd 0000:01:00.0: Looking for event-dma 00000004400560f0 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 445.008601] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 445.018949] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056100 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 445.034770] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 445.045117] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056110 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 445.060938] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 445.071283] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056120 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 445.087137] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 445.097485] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056130 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 445.113306] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 445.123652] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056140 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 445.139494] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 445.149842] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056150 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 445.165681] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 445.176029] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056160 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 445.191878] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 445.202227] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056170 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 445.218066] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 445.228413] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056180 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 445.244280] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 445.254631] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056190 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 445.270453] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 445.280799] xhci_hcd 0000:01:00.0: Looking for event-dma 00000004400561a0 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 445.296668] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 445.307021] xhci_hcd 0000:01:00.0: Looking for event-dma 00000004400561b0 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 445.322842] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 445.333188] xhci_hcd 0000:01:00.0: Looking for event-dma 00000004400561c0 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 445.349009] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 445.359355] xhci_hcd 0000:01:00.0: Looking for event-dma 00000004400561d0 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 445.375176] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 445.385521] xhci_hcd 0000:01:00.0: Looking for event-dma 00000004400561e0 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 445.401392] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 445.411741] xhci_hcd 0000:01:00.0: Looking for event-dma 00000004400561f0 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 445.427563] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 445.437909] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056200 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 445.453729] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 445.464075] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056210 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 445.479896] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 445.490242] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056220 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 445.506116] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 445.516469] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056230 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 445.532352] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 445.542705] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056240 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
Fri Aug 25 07:50:22 2023 kern.err kernel: [ 445.582565] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 29 comp_code 1
Fri Aug 25 07:50:22 2023 kern.warn kernel: [ 445.592931] xhci_hcd 0000:01:00.0: Looking for event-dma 0000000440056250 trb-start 0000000440082c30 trb-end 0000000440082c30 seg-start 0000000440082000 seg-end 0000000440082ff0
I'm beginning to think that either SIM8200EA-M2 is garbage, it's not well supported on OpenWrt, or USB sticks (that I've tried) suck / Pi can't handle it. 