OpenWrt/LEDE Project

  • Status Unconfirmed
  • Percent Complete
    0%
  • Task Type Bug Report
  • Category Kernel
  • Assigned To No-one
  • Operating System All
  • Severity High
  • Priority Very Low
  • Reported Version openwrt-21.02
  • Due in Version Undecided
  • Due Date Undecided
  • Private
Attached to Project: OpenWrt/LEDE Project
Opened by Tobias Schwarz - 22.05.2021

FS#3822 - TP-Link Archer C7 v4 - Kernel Warning / Stack Trace

I have a TP-Link Archer C7 v4 running the Freifunk Berlin Falter Firmware 1.2.0-Snapshot based on OpenWrt 21.02-SNAPSHOT r16090-bbbc01ede5

I get the following kernel log with a warning / stack trace.

[    0.000000] Linux version 5.4.119 (builder@buildhost) (gcc version 8.4.0 (OpenWrt GCC 8.4.0 r16090-bbbc01ede5)) #0 Mon May 17 21:03:13 2021
[    0.000000] printk: bootconsole [early0] enabled
[    0.000000] CPU0 revision is: 00019750 (MIPS 74Kc)
[    0.000000] MIPS: machine is TP-Link Archer C7 v4
[    0.000000] SoC: Qualcomm Atheros QCA956X ver 1 rev 0
[    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]   Normal zone: 288 pages used for memmap
[    0.000000]   Normal zone: 0 pages reserved
[    0.000000]   Normal zone: 32768 pages, LIFO batch:7
[    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: 32480
[    0.000000] Kernel command line: console=ttyS0,115200n8 rootfstype=squashfs,jffs2
[    0.000000] Dentry cache hash table entries: 16384 (order: 4, 65536 bytes, linear)
[    0.000000] Inode-cache hash table entries: 8192 (order: 3, 32768 bytes, linear)
[    0.000000] Writing ErrCtl register=00000000
[    0.000000] Readback ErrCtl register=00000000
[    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[    0.000000] Memory: 122244K/131072K available (5222K kernel code, 192K rwdata, 684K rodata, 1188K init, 205K bss, 8828K 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] random: get_random_bytes called from 0x80657a28 with crng_init=0
[    0.000000] CPU clock: 775.000 MHz
[    0.000000] clocksource: MIPS: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 4932285024 ns
[    0.000007] sched_clock: 32 bits at 387MHz, resolution 2ns, wraps every 5541893118ns
[    0.008229] Calibrating delay loop... 385.02 BogoMIPS (lpj=770048)
[    0.046713] pid_max: default: 32768 minimum: 301
[    0.051714] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.059425] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.072231] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[    0.082547] futex hash table entries: 256 (order: -1, 3072 bytes, linear)
[    0.089824] pinctrl core: initialized pinctrl subsystem
[    0.097717] NET: Registered protocol family 16
[    0.126512] workqueue: max_active 576 requested for napi_workq is out of range, clamping between 1 and 512
[    0.140128] clocksource: Switched to clocksource MIPS
[    0.146579] NET: Registered protocol family 2
[    0.151367] IP idents hash table entries: 2048 (order: 2, 16384 bytes, linear)
[    0.159667] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear)
[    0.168544] TCP established hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.176635] TCP bind hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.184079] TCP: Hash tables configured (established 1024 bind 1024)
[    0.190908] UDP hash table entries: 256 (order: 0, 4096 bytes, linear)
[    0.197852] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes, linear)
[    0.205497] NET: Registered protocol family 1
[    0.210145] PCI: CLS 0 bytes, default 32
[    0.217899] workingset: timestamp_bits=14 max_order=15 bucket_order=1
[    0.230918] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    0.237111] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.
[    0.260358] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
[    0.271643] pinctrl-single 1804002c.pinmux: 544 pins, size 68
[    0.278322] gpio-export gpio-export: 2 gpio(s) exported
[    0.284697] Serial: 8250/16550 driver, 16 ports, IRQ sharing enabled
[    0.293573] printk: console [ttyS0] disabled
[    0.298161] 18020000.uart: ttyS0 at MMIO 0x18020000 (irq = 9, base_baud = 1562500) is a 16550A
[    0.307265] printk: console [ttyS0] enabled
[    0.316331] printk: bootconsole [early0] disabled
[    0.335184] led_gpio@0 enforce active low on chipselect handle
[    0.346805] spi-nor spi0.0: gd25q128 (16384 Kbytes)
[    0.351942] 5 fixed-partitions partitions found on MTD device spi0.0
[    0.358521] Creating 5 MTD partitions on "spi0.0":
[    0.363486] 0x000000000000-0x000000020000 : "factory-uboot"
[    0.370131] 0x000000020000-0x000000040000 : "u-boot"
[    0.376214] 0x000000040000-0x000000f00000 : "firmware"
[    0.384926] 2 uimage-fw partitions found on MTD device firmware
[    0.391093] Creating 2 MTD partitions on "firmware":
[    0.396235] 0x000000000000-0x0000001f1110 : "kernel"
[    0.402168] 0x0000001f1110-0x000000ec0000 : "rootfs"
[    0.408216] mtd: device 4 (rootfs) set to be root filesystem
[    0.415723] 1 squashfs-split partitions found on MTD device rootfs
[    0.422186] 0x000000730000-0x000000ec0000 : "rootfs_data"
[    0.428677] 0x000000f00000-0x000000ff0000 : "info"
[    0.434506] 0x000000ff0000-0x000001000000 : "art"
[    0.442165] libphy: Fixed MDIO Bus: probed
[    1.096499] libphy: ag71xx_mdio: probed
[    1.103567] switch0: Atheros AR8337 rev. 2 switch registered on mdio.0
[    1.148120] random: fast init done
[    1.691621] ag71xx 19000000.eth: connected to PHY at mdio.0:00 [uid=004dd036, driver=Atheros AR8216/AR8236/AR8316]
[    1.702905] eth0: Atheros AG71xx at 0xb9000000, irq 4, mode: sgmii
[    1.709675] i2c /dev entries driver
[    1.720339] NET: Registered protocol family 10
[    1.728599] Segment Routing with IPv6
[    1.732540] NET: Registered protocol family 17
[    1.737210] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[    1.750606] 8021q: 802.1Q VLAN Support v1.8
[    1.755742] PCI host bridge /ahb/pcie-controller@18250000 ranges:
[    1.762110]  MEM 0x0000000012000000..0x0000000013ffffff
[    1.767513]   IO 0x0000000000000000..0x0000000000000000
[    1.773056] PCI host bridge to bus 0000:00
[    1.777320] pci_bus 0000:00: root bus resource [mem 0x12000000-0x13ffffff]
[    1.784429] pci_bus 0000:00: root bus resource [io  0x0000]
[    1.790188] pci_bus 0000:00: root bus resource [??? 0x00000000 flags 0x0]
[    1.797202] pci_bus 0000:00: No busn resource found for root bus, will use [bus 00-ff]
[    1.805432] pci 0000:00:00.0: [168c:003c] type 00 class 0x028000
[    1.811700] pci 0000:00:00.0: reg 0x10: [mem 0x00000000-0x001fffff 64bit]
[    1.818765] pci 0000:00:00.0: reg 0x30: [mem 0x00000000-0x0000ffff pref]
[    1.825758] pci 0000:00:00.0: supports D1 D2
[    1.831178] pci_bus 0000:00: busn_res: [bus 00-ff] end is updated to 00
[    1.838059] pci 0000:00:00.0: BAR 0: assigned [mem 0x12000000-0x121fffff 64bit]
[    1.845637] pci 0000:00:00.0: BAR 6: assigned [mem 0x12200000-0x1220ffff pref]
[    1.854454] hctosys: unable to open rtc device (rtc0)
[    1.865436] VFS: Mounted root (squashfs filesystem) readonly on device 31:4.
[    1.879260] Freeing unused kernel memory: 1188K
[    1.883966] This architecture does not have kernel memory protection.
[    1.890615] Run /sbin/init as init process
[    2.531279] init: Console is alive
[    2.535100] init: - watchdog -
[    3.858980] kmodloader: loading kernel modules from /etc/modules-boot.d/*
[    3.949999] usbcore: registered new interface driver usbfs
[    3.955784] usbcore: registered new interface driver hub
[    3.961377] usbcore: registered new device driver usb
[    3.972422] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    3.980762] ehci-fsl: Freescale EHCI Host controller driver
[    3.987900] ehci-platform: EHCI generic platform driver
[    3.993571] ehci-platform 1b000000.usb: EHCI Host Controller
[    3.999481] ehci-platform 1b000000.usb: new USB bus registered, assigned bus number 1
[    4.007687] ehci-platform 1b000000.usb: irq 13, io mem 0x1b000000
[    4.028140] ehci-platform 1b000000.usb: USB 2.0 started, EHCI 1.00
[    4.035363] hub 1-0:1.0: USB hub found
[    4.039636] hub 1-0:1.0: 1 port detected
[    4.044357] ehci-platform 1b400000.usb: EHCI Host Controller
[    4.050276] ehci-platform 1b400000.usb: new USB bus registered, assigned bus number 2
[    4.058501] ehci-platform 1b400000.usb: irq 14, io mem 0x1b400000
[    4.080142] ehci-platform 1b400000.usb: USB 2.0 started, EHCI 1.00
[    4.087319] hub 2-0:1.0: USB hub found
[    4.091573] hub 2-0:1.0: 1 port detected
[    4.098529] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
[    4.107083] init: - preinit -
[    5.373251] random: jshn: uninitialized urandom read (4 bytes read)
[    5.487990] random: jshn: uninitialized urandom read (4 bytes read)
[    5.716329] random: jshn: uninitialized urandom read (4 bytes read)
[    7.450802] Atheros AR8216/AR8236/AR8316 mdio.0:00: Port 1 is up
[    7.457222] Atheros AR8216/AR8236/AR8316 mdio.0:00: Port 2 is up
[    7.483636] eth0: link up (1000Mbps/Full duplex)
[    7.493582] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[    7.507403] IPv6: ADDRCONF(NETDEV_CHANGE): eth0.1: link becomes ready
[    7.532598] urandom_read: 4 callbacks suppressed
[    7.532605] random: procd: uninitialized urandom read (4 bytes read)
[   11.817888] jffs2: notice: (608) jffs2_build_xattr_subsystem: complete building xattr subsystem, 66 of xdatum (27 unchecked, 35 orphan) and 75 of xref (8 dead, 31 orphan) found.
[   11.836311] mount_root: switching to jffs2 overlay
[   11.852207] overlayfs: upper fs does not support tmpfile.
[   11.864361] urandom-seed: Seeding with /etc/urandom.seed
[   11.974733] eth0: link down
[   11.999661] procd: - early -
[   12.002789] procd: - watchdog -
[   12.651085] procd: - watchdog -
[   12.655704] procd: - ubus -
[   12.726207] random: ubusd: uninitialized urandom read (4 bytes read)
[   12.734816] random: ubusd: uninitialized urandom read (4 bytes read)
[   12.744823] procd: - init -
[   13.618022] kmodloader: loading kernel modules from /etc/modules.d/*
[   13.684904] ipip: IPv4 and MPLS over IPv4 tunneling driver
[   13.743030] l2tp_core: L2TP core driver, V2.0
[   13.757214] l2tp_netlink: L2TP netlink interface
[   13.769363] l2tp_eth: L2TP ethernet pseudowire support (L2TPv3)
[   13.785399] l2tp_ip: L2TP IP encapsulation support (L2TPv3)
[   13.801335] l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3)
[   13.869266] Mirror/redirect action on
[   13.950939] u32 classifier
[   13.953789]     input device check on
[   13.957584]     Actions configured
[   14.015242] Loading modules backported from Linux version v5.10.34-0-g0aa66717f684
[   14.023115] Backport generated by backports.git v5.10.34-1-0-g7b5533e1
[   14.032271] urngd: v1.0.2 started.
[   14.304930] xt_time: kernel timezone is -0000
[   14.524192] PPP generic driver version 2.4.2
[   14.535650] random: crng init done
[   14.541580] NET: Registered protocol family 24
[   14.604961] ath10k_pci 0000:00:00.0: enabling device (0000 -> 0002)
[   14.611646] ath10k_pci 0000:00:00.0: pci irq legacy oper_irq_mode 1 irq_mode 0 reset_mode 0
[   16.094363] ath10k_pci 0000:00:00.0: qca988x hw2.0 target 0x4100016c chip_id 0x043202ff sub 0000:0000
[   16.103932] ath10k_pci 0000:00:00.0: kconfig debug 0 debugfs 1 tracing 0 dfs 1 testmode 0
[   16.116961] ath10k_pci 0000:00:00.0: firmware ver 10.2.4-1.0-00047 api 5 features no-p2p,raw-mode,mfp,allows-mesh-bcast crc32 35bd9258
[   16.406681] ath10k_pci 0000:00:00.0: board_file api 1 bmi_id N/A crc32 bebc7c08
[   17.564508] ath10k_pci 0000:00:00.0: htt-ver 2.1 wmi-op 5 htt-op 2 cal file max-sta 128 raw 0 hwcrypto 1
[   17.675676] ath: EEPROM regdomain sanitized
[   17.675686] ath: EEPROM regdomain: 0x64
[   17.675689] ath: EEPROM indicates we should expect a direct regpair map
[   17.675707] ath: Country alpha2 being used: 00
[   17.675710] ath: Regpair used: 0x64
[   17.785074] batman_adv: B.A.T.M.A.N. advanced 2021.0-openwrt-1 (compatibility version 15) loaded
[   17.817578] ath: EEPROM regdomain sanitized
[   17.817588] ath: EEPROM regdomain: 0x64
[   17.817591] ath: EEPROM indicates we should expect a direct regpair map
[   17.817610] ath: Country alpha2 being used: 00
[   17.817613] ath: Regpair used: 0x64
[   17.829185] ieee80211 phy1: Selected rate control algorithm 'minstrel_ht'
[   17.831073] ieee80211 phy1: Atheros AR9561 Rev:0 mem=0xb8100000, irq=2
[   17.859139] kmodloader: done loading kernel modules from /etc/modules.d/*
[   32.196791] eth0: link up (1000Mbps/Full duplex)
[   32.214197] br-dhcp: port 1(eth0.1) entered blocking state
[   32.219926] br-dhcp: port 1(eth0.1) entered disabled state
[   32.225916] device eth0.1 entered promiscuous mode
[   32.230910] device eth0 entered promiscuous mode
[   32.236905] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   32.300248] br-dhcp: port 1(eth0.1) entered blocking state
[   32.305945] br-dhcp: port 1(eth0.1) entered forwarding state
[   32.397302] br-wan: port 1(eth0.2) entered blocking state
[   32.402938] br-wan: port 1(eth0.2) entered disabled state
[   32.408837] device eth0.2 entered promiscuous mode
[   32.532652] br-wan: port 1(eth0.2) entered blocking state
[   32.538282] br-wan: port 1(eth0.2) entered forwarding state
[   33.196223] IPv6: ADDRCONF(NETDEV_CHANGE): br-dhcp: link becomes ready
[   36.184580] ath: EEPROM regdomain: 0x8114
[   36.184587] ath: EEPROM indicates we should expect a country code
[   36.184591] ath: doing EEPROM country->regdmn map search
[   36.184595] ath: country maps to regdmn code: 0x37
[   36.184600] ath: Country alpha2 being used: DE
[   36.184603] ath: Regpair used: 0x37
[   36.184609] ath: regdomain 0x8114 dynamically updated by user
[   36.184682] ath: EEPROM regdomain: 0x8114
[   36.184685] ath: EEPROM indicates we should expect a country code
[   36.184688] ath: doing EEPROM country->regdmn map search
[   36.184691] ath: country maps to regdmn code: 0x37
[   36.184694] ath: Country alpha2 being used: DE
[   36.184697] ath: Regpair used: 0x37
[   36.184701] ath: regdomain 0x8114 dynamically updated by user
[   40.171117] br-dhcp: port 2(wlan1-dhcp-2) entered blocking state
[   40.177391] br-dhcp: port 2(wlan1-dhcp-2) entered disabled state
[   40.184008] device wlan1-dhcp-2 entered promiscuous mode
[   40.291262] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1-dhcp-2: link becomes ready
[   40.298697] br-dhcp: port 2(wlan1-dhcp-2) entered blocking state
[   40.304952] br-dhcp: port 2(wlan1-dhcp-2) entered forwarding state
[   42.205121] ath10k_pci 0000:00:00.0: pdev param 0 not supported by firmware
[   42.249745] br-dhcp: port 3(wlan0-dhcp-5) entered blocking state
[   42.256033] br-dhcp: port 3(wlan0-dhcp-5) entered disabled state
[   42.262672] device wlan0-dhcp-5 entered promiscuous mode
[   42.329653] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0-dhcp-5: link becomes ready
[   42.337106] br-dhcp: port 3(wlan0-dhcp-5) entered blocking state
[   42.343350] br-dhcp: port 3(wlan0-dhcp-5) entered forwarding state
[   45.044402] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0-mesh-5: link becomes ready
[   45.088335] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1-mesh-2: link becomes ready
[   45.110870] ------------[ cut here ]------------
[   45.115703] WARNING: CPU: 0 PID: 2208 at net/core/flow_dissector.c:958 0x803cc434
[   45.123444] Modules linked in: ath9k ath9k_common pppoe ppp_async batman_adv ath9k_hw ath10k_pci ath10k_core ath pppox ppp_generic mac80211 iptable_nat ipt_REJECT cfg80211 xt_time xt_tcpudp xt_tcpmss xt_statistic xt_state xt_recent xt_nat xt_multiport xt_mark xt_mac xt_limit xt_length xt_hl xt_helper xt_ecn xt_dscp xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment xt_TCPMSS xt_REDIRECT xt_MASQUERADE xt_LOG xt_HL xt_FLOWOFFLOAD xt_DSCP xt_CT xt_CLASSIFY slhc nf_reject_ipv4 nf_nat nf_log_ipv4 nf_flow_table_hw nf_flow_table nf_conncount libcrc32c iptable_raw iptable_mangle iptable_filter ipt_ECN ip_tables crc_ccitt compat act_connmark nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 sch_tbf sch_ingress sch_htb sch_hfsc em_u32 cls_u32 cls_tcindex cls_route cls_matchall cls_fw cls_flow cls_basic act_skbedit act_mirred ledtrig_usbport nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT x_tables nf_reject_ipv6 ifb l2tp_ip6 l2tp_ip l2tp_eth l2tp_netlink l2tp_core
[   45.123595]  udp_tunnel ip6_udp_tunnel ipip tunnel4 ip_tunnel fsl_mph_dr_of ehci_platform ehci_fsl ehci_hcd gpio_button_hotplug usbcore nls_base usb_common crc16 crc32c_generic crypto_hash
[   45.231414] CPU: 0 PID: 2208 Comm: sh Not tainted 5.4.119 #0
[   45.237258] Stack : 00000000 800b92f8 80650000 805f2a28 00000000 00000000 00000000 00000000
[   45.245894]         00000000 00000000 00000000 00000000 00000000 00000001 87c0bbe0 646c4d3b
[   45.254530]         87c0bc78 00000000 00000000 000000f5 00000038 80573264 204e6f74 20746169
[   45.263167]         000000f5 d3193319 00000000 000387f6 80000000 87c0bbc0 00000000 803cc434
[   45.271805]         00000009 86dc73b4 87ec7818 80630000 00000003 8031ec9c 00000000 80780000
[   45.280443]         ...
[   45.282961] Call Trace:
[   45.282969] [<800b92f8>] 0x800b92f8
[   45.289103] [<80573264>] 0x80573264
[   45.292711] [<803cc434>] 0x803cc434
[   45.296357] [<8031ec9c>] 0x8031ec9c
[   45.299965] [<80069364>] 0x80069364
[   45.303575] [<8006936c>] 0x8006936c
[   45.307184] [<800821b4>] 0x800821b4
[   45.310794] [<803cc434>] 0x803cc434
[   45.314404] [<8008225c>] 0x8008225c
[   45.318039] [<803cc434>] 0x803cc434
[   45.321648] [<804df048>] 0x804df048
[   45.325271] [<804dfad4>] 0x804dfad4
[   45.328890] [<804df130>] 0x804df130
[   45.332525] [<804df130>] 0x804df130
[   45.336162] [<804dfce0>] 0x804dfce0
[   45.339805] [<803cd8ac>] 0x803cd8ac
[   45.343411] [<803d8e50>] 0x803d8e50
[   45.347088] [<86c32a30>] 0x86c32a30 [mac80211@8134b527+0x7ced0]
[   45.353235] [<803da098>] 0x803da098
[   45.356883] [<86c38924>] 0x86c38924 [mac80211@8134b527+0x7ced0]
[   45.363027] [<87749014>] 0x87749014 [ath10k_pci@70f8799a+0x6770]
[   45.369310] [<86c3a5a0>] 0x86c3a5a0 [mac80211@8134b527+0x7ced0]
[   45.375456] [<803da7b0>] 0x803da7b0
[   45.379077] [<800ba1f0>] 0x800ba1f0
[   45.382683] [<80085040>] 0x80085040
[   45.386292] [<805788b0>] 0x805788b0
[   45.389902] [<800bed80>] 0x800bed80
[   45.393515] [<802be854>] 0x802be854
[   45.397139] [<80064f78>] 0x80064f78
[   45.400753] 
[   45.402293] ---[ end trace b6c86392035260d5 ]---

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