[FS#2524] ath79-tiny: TP-Link TL-WR941ND v2.4: Marvel MV88E6060 regression between kernel v4.14 and v4.19

Mon Jul 13 01:20:15 EDT 2020

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FS#2524 - ath79-tiny: TP-Link TL-WR941ND v2.4: Marvel MV88E6060 regression between kernel v4.14 and v4.19
User who did this - Stefan Lippers-Hollmann (slh)

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This has been fixed with https://git.openwrt.org/?p=openwrt/openwrt.git;a=commitdiff;h=28893f5878a2afbfe91b5dd6027488d35bf43ed1 and is now working, thanks for looking into this:

[    0.000000] Linux version 5.4.51 (slh at trident) (gcc version 8.4.0 (OpenWrt GCC 8.4.0 r13835-8242c6de29)) #0 Sun Jul 12 12:29:28 2020
[    0.000000] printk: bootconsole [early0] enabled
[    0.000000] CPU0 revision is: 00019374 (MIPS 24Kc)
[    0.000000] MIPS: machine is TP-Link TL-WR941N/ND v2/v3
[    0.000000] SoC: Atheros AR9132 rev 1
[    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 0x0000000000000000-0x0000000001ffffff]
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x0000000000000000-0x0000000001ffffff]
[    0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x0000000001ffffff]
[    0.000000] On node 0 totalpages: 8192
[    0.000000]   Normal zone: 64 pages used for memmap
[    0.000000]   Normal zone: 0 pages reserved
[    0.000000]   Normal zone: 8192 pages, LIFO batch: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: 8128
[    0.000000] Kernel command line: console=ttyS0,115200 rootfstype=squashfs,jffs2
[    0.000000] Dentry cache hash table entries: 4096 (order: 2, 16384 bytes, linear)
[    0.000000] Inode-cache hash table entries: 2048 (order: 1, 8192 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: 26412K/32768K available (3856K kernel code, 141K rwdata, 580K rodata, 1240K init, 186K bss, 6356K 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 0x804da9ac with crng_init=0
[    0.000000] CPU clock: 400.000 MHz
[    0.000000] clocksource: MIPS: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 9556302233 ns
[    0.000013] sched_clock: 32 bits at 200MHz, resolution 5ns, wraps every 10737418237ns
[    0.008348] Calibrating delay loop... 264.70 BogoMIPS (lpj=132352)
[    0.024877] pid_max: default: 32768 minimum: 301
[    0.030088] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.037807] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.051166] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
[    0.061412] futex hash table entries: 256 (order: -1, 3072 bytes, linear)
[    0.068602] pinctrl core: initialized pinctrl subsystem
[    0.075538] NET: Registered protocol family 16
[    0.113103] clocksource: Switched to clocksource MIPS
[    0.120221] NET: Registered protocol family 2
[    0.126014] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear)
[    0.134893] TCP established hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.142988] TCP bind hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.150408] TCP: Hash tables configured (established 1024 bind 1024)
[    0.157337] UDP hash table entries: 256 (order: 0, 4096 bytes, linear)
[    0.164298] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes, linear)
[    0.171941] NET: Registered protocol family 1
[    0.176557] PCI: CLS 0 bytes, default 32
[    0.186858] workingset: timestamp_bits=30 max_order=13 bucket_order=0
[    0.203411] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    0.209537] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.
[    0.237324] Serial: 8250/16550 driver, 1 ports, IRQ sharing disabled
[    0.245020] printk: console [ttyS0] disabled
[    0.249658] 18020000.uart: ttyS0 at MMIO 0x18020000 (irq = 9, base_baud = 6250000) is a 8250
[    0.258527] printk: console [ttyS0] enabled
[    0.267023] printk: bootconsole [early0] disabled
[    0.286971] spi-nor spi0.0: 320s33b (4096 Kbytes)
[    0.291784] 3 fixed-partitions partitions found on MTD device spi0.0
[    0.298135] Creating 3 MTD partitions on "spi0.0":
[    0.302943] 0x000000000000-0x000000020000 : "u-boot"
[    0.309396] 0x000000020000-0x0000003f0000 : "firmware"
[    0.320474] 2 tplink-fw partitions found on MTD device firmware
[    0.326450] Creating 2 MTD partitions on "firmware":
[    0.331438] 0x000000000000-0x000000179732 : "kernel"
[    0.337833] 0x000000179734-0x0000003d0000 : "rootfs"
[    0.344252] mtd: device 3 (rootfs) set to be root filesystem
[    0.352373] 1 squashfs-split partitions found on MTD device rootfs
[    0.358619] 0x000000340000-0x0000003d0000 : "rootfs_data"
[    0.365479] 0x0000003f0000-0x000000400000 : "art"
[    0.372859] libphy: Fixed MDIO Bus: probed
[    0.477097] random: fast init done
[    0.699321] libphy: ag71xx_mdio: probed
[    0.703450] mv88e6060 mdio.0:00: switch Marvell 88E6060 (B0) detected
[    0.711921] ag71xx 19000000.eth: connected to PHY at fixed-0:00 [uid=00000000, driver=Generic PHY]
[    0.721935] eth0: Atheros AG71xx at 0xb9000000, irq 4, mode: rmii
[    0.731692] NET: Registered protocol family 10
[    0.742952] Segment Routing with IPv6
[    0.746867] NET: Registered protocol family 17
[    0.751732] 8021q: 802.1Q VLAN Support v1.8
[    0.757274] mv88e6060 mdio.0:00: switch Marvell 88E6060 (B0) detected
[    0.775317] libphy: dsa slave smi: probed
[    0.779715] mv88e6060 mdio.0:00 wan (uninitialized): PHY [dsa-0.0:00] driver [Generic PHY]
[    0.789740] mv88e6060 mdio.0:00 lan1 (uninitialized): PHY [dsa-0.0:01] driver [Generic PHY]
[    0.799786] mv88e6060 mdio.0:00 lan2 (uninitialized): PHY [dsa-0.0:02] driver [Generic PHY]
[    0.809864] mv88e6060 mdio.0:00 lan3 (uninitialized): PHY [dsa-0.0:03] driver [Generic PHY]
[    0.819957] mv88e6060 mdio.0:00 lan4 (uninitialized): PHY [dsa-0.0:04] driver [Generic PHY]
[    0.829851] DSA: tree 0 setup
[    0.855000] VFS: Mounted root (squashfs filesystem) readonly on device 31:3.
[    0.869838] Freeing unused kernel memory: 1240K
[    0.874392] This architecture does not have kernel memory protection.
[    0.880822] Run /sbin/init as init process
[    5.897658] init: Console is alive
[    5.901480] init: - watchdog -
[    7.480337] kmodloader: loading kernel modules from /etc/modules-boot.d/*
[    7.755718] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
[    7.773594] init: - preinit -
[   11.138791] random: jshn: uninitialized urandom read (4 bytes read)
[   11.251262] random: jshn: uninitialized urandom read (4 bytes read)
[   11.403576] random: jshn: uninitialized urandom read (4 bytes read)
[   13.457184] random: crng init done
[   13.460595] random: 3 urandom warning(s) missed due to ratelimiting
[   22.309018] mount_root: jffs2 not ready yet, using temporary tmpfs overlay
[   22.347632] urandom-seed: Seed file not found (/etc/urandom.seed)
[   22.407964] procd: - early -
[   22.411126] procd: - watchdog -
[   23.250261] procd: - watchdog -
[   23.253884] procd: - ubus -
[   24.417832] procd: - init -
[   26.206863] kmodloader: loading kernel modules from /etc/modules.d/*
[   26.258645] Loading modules backported from Linux version v5.7-rc3-0-g6a8b55ed4056
[   26.266256] Backport generated by backports.git v5.7-rc3-1-0-gc0c7d2bb
[   26.339854] xt_time: kernel timezone is -0000
[   26.699238] ath: EEPROM regdomain: 0x37
[   26.699250] ath: EEPROM indicates we should expect a direct regpair map
[   26.699260] ath: Country alpha2 being used: AL
[   26.699266] ath: Regpair used: 0x37
[   26.743570] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
[   26.746840] ieee80211 phy0: Atheros AR9100 MAC/BB Rev:7 AR2133 RF Rev:a1 mem=0xb80c0000, irq=2
[   27.283641] kmodloader: done loading kernel modules from /etc/modules.d/*
[   27.487293] urngd: v1.0.2 started.
[   74.403403] jffs2_scan_eraseblock(): End of filesystem marker found at 0x0
[   74.425133] jffs2_build_filesystem(): unlocking the mtd device... 
[   74.425142] done.
[   74.433277] jffs2_build_filesystem(): erasing all blocks after the end marker... 
[   79.697564] done.
[   79.707032] jffs2: notice: (1097) jffs2_build_xattr_subsystem: complete building xattr subsystem, 0 of xdatum (0 unchecked, 0 orphan) and 0 of xref (0 dead, 0 orphan) found.
[   80.233207] eth0: link up (100Mbps/Full duplex)
[   80.244241] overlayfs: upper fs does not support tmpfile.
[   80.251899] mv88e6060 mdio.0:00 lan1: configuring for phy/gmii link mode
[   80.261166] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   80.282532] br-lan: port 1(lan1) entered blocking state
[   80.287826] br-lan: port 1(lan1) entered disabled state
[   80.293566] device lan1 entered promiscuous mode
[   80.298230] device eth0 entered promiscuous mode
[   80.415023] mv88e6060 mdio.0:00 lan2: configuring for phy/gmii link mode
[   80.466159] br-lan: port 2(lan2) entered blocking state
[   80.471412] br-lan: port 2(lan2) entered disabled state
[   80.477198] device lan2 entered promiscuous mode
[   80.572432] mv88e6060 mdio.0:00 lan3: configuring for phy/gmii link mode
[   80.597006] br-lan: port 3(lan3) entered blocking state
[   80.602297] br-lan: port 3(lan3) entered disabled state
[   80.608043] device lan3 entered promiscuous mode
[   80.664076] mv88e6060 mdio.0:00 lan4: configuring for phy/gmii link mode
[   80.688644] br-lan: port 4(lan4) entered blocking state
[   80.693933] br-lan: port 4(lan4) entered disabled state
[   80.699689] device lan4 entered promiscuous mode
[   80.777799] mv88e6060 mdio.0:00 wan: configuring for phy/gmii link mode
[   96.537343] mv88e6060 mdio.0:00 lan3: Link is Up - 100Mbps/Full - flow control rx/tx
[   96.545157] br-lan: port 3(lan3) entered blocking state
[   96.550409] br-lan: port 3(lan3) entered forwarding state
[   96.559355] IPv6: ADDRCONF(NETDEV_CHANGE): br-lan: link becomes ready

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More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=2524#comment8561

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