#11862: ath: Failed to stop TX DMA, queues=0x004
------------------------------+-----------------------------------
  Reporter:  igor@…           |      Owner:  nbd
      Type:  defect           |     Status:  assigned
  Priority:  response-needed  |  Milestone:  Barrier Breaker 14.07
 Component:  kernel           |    Version:  Trunk
Resolution:                   |   Keywords:
------------------------------+-----------------------------------

Comment (by miharu.senpai@…):

 Same problem on TP-Link TL-WR2543ND on OpenWrt Barrier Breaker 14.07-rc3
 {{{
 [    0.000000] Linux version 3.10.49 (bb@builder1) (gcc version 4.8.3
 (OpenWrt/Linaro GCC 4.8-2014.04 r41989) ) #1 Thu Aug 7 23:24:09 CEST 2014
 [    0.000000] MyLoader: sysp=00000000, boardp=00000000, parts=00000000
 [    0.000000] bootconsole [early0] enabled
 [    0.000000] CPU revision is: 00019374 (MIPS 24Kc)
 [    0.000000] SoC: Atheros AR7242 rev 1
 [    0.000000] Clocks: CPU:400.000MHz, DDR:400.000MHz, AHB:200.000MHz,
 Ref:5.000MHz
 [    0.000000] Determined physical RAM map:
 [    0.000000]  memory: 04000000 @ 00000000 (usable)
 [    0.000000] Initrd not found or empty - disabling initrd
 [    0.000000] Zone ranges:
 [    0.000000]   Normal   [mem 0x00000000-0x03ffffff]
 [    0.000000] Movable zone start for each node
 [    0.000000] Early memory node ranges
 [    0.000000]   node   0: [mem 0x00000000-0x03ffffff]
 [    0.000000] On node 0 totalpages: 16384
 [    0.000000] free_area_init_node: node 0, pgdat 80334b60, node_mem_map
 81000000
 [    0.000000]   Normal zone: 128 pages used for memmap
 [    0.000000]   Normal zone: 0 pages reserved
 [    0.000000]   Normal zone: 16384 pages, LIFO batch:3
 [    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] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
 [    0.000000] pcpu-alloc: [0] 0
 [    0.000000] Built 1 zonelists in Zone order, mobility grouping on.
 Total pages: 16256
 [    0.000000] Kernel command line:  board=TL-WR2543N console=ttyS0,115200
 rootfstype=squashfs,jffs2 noinitrd
 [    0.000000] PID hash table entries: 256 (order: -2, 1024 bytes)
 [    0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768
 bytes)
 [    0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384
 bytes)
 [    0.000000] Writing ErrCtl register=00000000
 [    0.000000] Readback ErrCtl register=00000000
 [    0.000000] Memory: 61076k/65536k available (2369k kernel code, 4460k
 reserved, 621k data, 272k init, 0k highmem)
 [    0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
 [    0.000000] NR_IRQS:51
 [    0.080000] Calibrating delay loop... 265.42 BogoMIPS (lpj=1327104)
 [    0.080000] pid_max: default: 32768 minimum: 301
 [    0.080000] Mount-cache hash table entries: 512
 [    0.090000] NET: Registered protocol family 16
 [    0.100000] MIPS: machine is TP-LINK TL-WR2543N/ND
 [    0.140000] registering PCI controller with io_map_base unset
 [    0.350000] bio: create slab <bio-0> at 0
 [    0.360000] PCI host bridge to bus 0000:00
 [    0.360000] pci_bus 0000:00: root bus resource [mem
 0x10000000-0x13ffffff]
 [    0.370000] pci_bus 0000:00: root bus resource [io  0x0000]
 [    0.370000] pci_bus 0000:00: No busn resource found for root bus, will
 use [bus 00-ff]
 [    0.380000] pci 0000:00:00.0: [168c:0030] type 00 class 0x028000
 [    0.380000] pci 0000:00:00.0: invalid calibration data
 [    0.380000] pci 0000:00:00.0: reg 10: [mem 0x00000000-0x0001ffff 64bit]
 [    0.380000] pci 0000:00:00.0: reg 30: [mem 0x00000000-0x0000ffff pref]
 [    0.380000] pci 0000:00:00.0: supports D1
 [    0.380000] pci 0000:00:00.0: PME# supported from D0 D1 D3hot
 [    0.380000] pci_bus 0000:00: busn_res: [bus 00-ff] end is updated to 00
 [    0.380000] pci 0000:00:00.0: BAR 0: assigned [mem
 0x10000000-0x1001ffff 64bit]
 [    0.390000] pci 0000:00:00.0: BAR 6: assigned [mem
 0x10020000-0x1002ffff pref]
 [    0.390000] pci 0000:00:00.0: using irq 40 for pin 1
 [    0.400000] Switching to clocksource MIPS
 [    0.400000] NET: Registered protocol family 2
 [    0.410000] TCP established hash table entries: 512 (order: 0, 4096
 bytes)
 [    0.410000] TCP bind hash table entries: 512 (order: -1, 2048 bytes)
 [    0.420000] TCP: Hash tables configured (established 512 bind 512)
 [    0.420000] TCP: reno registered
 [    0.430000] UDP hash table entries: 256 (order: 0, 4096 bytes)
 [    0.430000] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
 [    0.440000] NET: Registered protocol family 1
 [    0.440000] PCI: CLS 0 bytes, default 32
 [    0.460000] squashfs: version 4.0 (2009/01/31) Phillip Lougher
 [    0.470000] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME)
 (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.
 [    0.480000] msgmni has been set to 119
 [    0.490000] io scheduler noop registered
 [    0.490000] io scheduler deadline registered (default)
 [    0.500000] Serial: 8250/16550 driver, 16 ports, IRQ sharing enabled
 [    0.530000] serial8250.0: ttyS0 at MMIO 0x18020000 (irq = 11) is a
 16550A
 [    0.540000] console [ttyS0] enabled, bootconsole disabled
 [    0.550000] ath79-spi ath79-spi: master is unqueued, this is deprecated
 [    0.560000] m25p80 spi0.0: found s25sl064p, expected m25p80
 [    0.560000] m25p80 spi0.0: s25sl064p (8192 Kbytes)
 [    0.570000] 5 tp-link partitions found on MTD device spi0.0
 [    0.580000] Creating 5 MTD partitions on "spi0.0":
 [    0.580000] 0x000000000000-0x000000020000 : "u-boot"
 [    0.590000] 0x000000020000-0x00000012e518 : "kernel"
 [    0.590000] mtd: partition "kernel" must either start or end on erase
 block boundary or be smaller than an erase block -- forcing read-only
 [    0.610000] 0x00000012e518-0x0000007f0000 : "rootfs"
 [    0.610000] mtd: partition "rootfs" must either start or end on erase
 block boundary or be smaller than an erase block -- forcing read-only
 [    0.630000] mtd: device 2 (rootfs) set to be root filesystem
 [    0.630000] 1 squashfs-split partitions found on MTD device rootfs
 [    0.640000] 0x000000350000-0x0000007f0000 : "rootfs_data"
 [    0.650000] 0x0000007f0000-0x000000800000 : "art"
 [    0.650000] 0x000000020000-0x0000007f0000 : "firmware"
 [    0.660000] rtl8367 rtl8367: using GPIO pins 1 (SDA) and 6 (SCK)
 [    0.670000] rtl8367 rtl8367: RTL8367R ver. 0 chip found
 [    2.580000] libphy: rtl8367: probed
 [    3.140000] eth0: Atheros AG71xx at 0xb9000000, irq 4, mode:RGMII
 [    3.140000] TCP: cubic registered
 [    3.150000] NET: Registered protocol family 17
 [    3.150000] Bridge firewalling registered
 [    3.160000] 8021q: 802.1Q VLAN Support v1.8
 [    3.170000] VFS: Mounted root (squashfs filesystem) readonly on device
 31:2.
 [    3.180000] Freeing unused kernel memory: 272K (8034c000 - 80390000)
 [    6.060000] usbcore: registered new interface driver usbfs
 [    6.060000] usbcore: registered new interface driver hub
 [    6.070000] usbcore: registered new device driver usb
 [    6.080000] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
 [    6.090000] ehci-platform: EHCI generic platform driver
 [    6.090000] ehci-platform ehci-platform: EHCI Host Controller
 [    6.100000] ehci-platform ehci-platform: new USB bus registered,
 assigned bus number 1
 [    6.110000] ehci-platform ehci-platform: irq 3, io mem 0x1b000000
 [    6.130000] ehci-platform ehci-platform: USB 2.0 started, EHCI 1.00
 [    6.130000] hub 1-0:1.0: USB hub found
 [    6.140000] hub 1-0:1.0: 1 port detected
 [    6.460000] usb 1-1: new high-speed USB device number 2 using ehci-
 platform
 [    6.580000] eth0: link up (1000Mbps/Full duplex)
 [    9.990000] jffs2: notice: (331) jffs2_build_xattr_subsystem: complete
 building xattr subsystem, 1 of xdatum (1 unchecked, 0 orphan) and 19 of
 xref (0 dead, 5 orphan) found.
 [   10.030000] eth0: link down
 [   11.710000] NET: Registered protocol family 10
 [   11.720000] nf_conntrack version 0.5.0 (958 buckets, 3832 max)
 [   11.740000] ip6_tables: (C) 2000-2006 Netfilter Core Team
 [   11.750000] Loading modules backported from Linux version
 master-2014-05-22-0-gf2032ea
 [   11.760000] Backport generated by backports.git
 backports-20140320-37-g5c33da0
 [   11.770000] ip_tables: (C) 2000-2006 Netfilter Core Team
 [   11.830000] xt_time: kernel timezone is -0000
 [   11.870000] cfg80211: Calling CRDA to update world regulatory domain
 [   11.870000] cfg80211: World regulatory domain updated:
 [   11.880000] cfg80211:  DFS Master region: unset
 [   11.880000] cfg80211:   (start_freq - end_freq @ bandwidth),
 (max_antenna_gain, max_eirp), (dfs_cac_time)
 [   11.890000] cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A,
 2000 mBm), (N/A)
 [   11.900000] cfg80211:   (2457000 KHz - 2482000 KHz @ 40000 KHz), (N/A,
 2000 mBm), (N/A)
 [   11.910000] cfg80211:   (2474000 KHz - 2494000 KHz @ 20000 KHz), (N/A,
 2000 mBm), (N/A)
 [   11.920000] cfg80211:   (5170000 KHz - 5250000 KHz @ 160000 KHz), (N/A,
 2000 mBm), (N/A)
 [   11.920000] cfg80211:   (5250000 KHz - 5330000 KHz @ 160000 KHz), (N/A,
 2000 mBm), (0 s)
 [   11.930000] cfg80211:   (5490000 KHz - 5730000 KHz @ 160000 KHz), (N/A,
 2000 mBm), (0 s)
 [   11.940000] cfg80211:   (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A,
 2000 mBm), (N/A)
 [   11.950000] cfg80211:   (57240000 KHz - 63720000 KHz @ 2160000 KHz),
 (N/A, 0 mBm), (N/A)
 [   12.020000] PPP generic driver version 2.4.2
 [   12.030000] NET: Registered protocol family 24
 [   12.090000] PCI: Enabling device 0000:00:00.0 (0000 -> 0002)
 [   12.100000] ath: EEPROM regdomain: 0x0
 [   12.100000] ath: EEPROM indicates default country code should be used
 [   12.100000] ath: doing EEPROM country->regdmn map search
 [   12.100000] ath: country maps to regdmn code: 0x3a
 [   12.100000] ath: Country alpha2 being used: US
 [   12.100000] ath: Regpair used: 0x3a
 [   12.110000] ieee80211 phy0: Selected rate control algorithm
 'minstrel_ht'
 [   12.120000] ieee80211 phy0: Atheros AR9300 Rev:3 mem=0xb0000000, irq=40
 [   12.130000] cfg80211: Calling CRDA for country: US
 [   12.130000] cfg80211: Regulatory domain changed to country: US
 [   12.140000] cfg80211:  DFS Master region: FCC
 [   12.140000] cfg80211:   (start_freq - end_freq @ bandwidth),
 (max_antenna_gain, max_eirp), (dfs_cac_time)
 [   12.150000] cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A,
 3000 mBm), (N/A)
 [   12.160000] cfg80211:   (5170000 KHz - 5250000 KHz @ 80000 KHz), (N/A,
 1700 mBm), (N/A)
 [   12.170000] cfg80211:   (5250000 KHz - 5330000 KHz @ 80000 KHz), (N/A,
 2300 mBm), (0 s)
 [   12.180000] cfg80211:   (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A,
 3000 mBm), (N/A)
 [   12.190000] cfg80211:   (57240000 KHz - 63720000 KHz @ 2160000 KHz),
 (N/A, 4000 mBm), (N/A)
 [   20.440000] eth0: link up (1000Mbps/Full duplex)
 [   20.460000] device eth0.1 entered promiscuous mode
 [   20.460000] device eth0 entered promiscuous mode
 [   20.480000] br-lan: port 1(eth0.1) entered listening state
 [   20.480000] br-lan: port 1(eth0.1) entered listening state
 [   20.490000] IPv6: ADDRCONF(NETDEV_UP): br-lan: link is not ready
 [   22.480000] br-lan: port 1(eth0.1) entered learning state
 [   22.630000] cfg80211: Calling CRDA for country: SK
 [   22.640000] cfg80211: Regulatory domain changed to country: SK
 [   22.640000] cfg80211:  DFS Master region: ETSI
 [   22.650000] cfg80211:   (start_freq - end_freq @ bandwidth),
 (max_antenna_gain, max_eirp), (dfs_cac_time)
 [   22.660000] cfg80211:   (2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A,
 2000 mBm), (N/A)
 [   22.660000] cfg80211:   (5170000 KHz - 5250000 KHz @ 80000 KHz), (N/A,
 2000 mBm), (N/A)
 [   22.670000] cfg80211:   (5250000 KHz - 5330000 KHz @ 80000 KHz), (N/A,
 2000 mBm), (0 s)
 [   22.680000] cfg80211:   (5490000 KHz - 5710000 KHz @ 80000 KHz), (N/A,
 2700 mBm), (0 s)
 [   22.690000] cfg80211:   (57240000 KHz - 65880000 KHz @ 2160000 KHz),
 (N/A, 4000 mBm), (N/A)
 [   24.480000] br-lan: topology change detected, propagating
 [   24.480000] br-lan: port 1(eth0.1) entered forwarding state
 [   24.490000] IPv6: ADDRCONF(NETDEV_CHANGE): br-lan: link becomes ready
 [   25.170000] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
 [   25.200000] device wlan0 entered promiscuous mode
 [   25.200000] br-lan: port 2(wlan0) entered listening state
 [   25.210000] br-lan: port 2(wlan0) entered listening state
 [   25.490000] br-lan: port 2(wlan0) entered disabled state
 [   27.830000] br-lan: port 2(wlan0) entered listening state
 [   27.830000] br-lan: port 2(wlan0) entered listening state
 [   27.840000] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
 [   29.830000] br-lan: port 2(wlan0) entered learning state
 [   31.830000] br-lan: topology change detected, propagating
 [   31.830000] br-lan: port 2(wlan0) entered forwarding state
 [ 2980.540000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [ 3507.760000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [ 7508.800000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [ 7758.820000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [ 8308.860000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [ 8358.870000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [ 8608.890000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [ 9058.920000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [ 9358.950000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [10459.040000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [10909.070000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [13048.240000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [13398.270000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [13498.270000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [13598.280000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [13848.300000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [13898.310000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [14198.330000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [14248.830000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [14298.840000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [14543.360000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [14652.870000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [14762.380000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [15122.900000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [15483.930000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [15733.950000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [16584.010000] ath: phy0: Failed to stop TX DMA, queues=0x004!
 [16784.540000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [17294.080000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [17344.080000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [17544.100000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [17644.100000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [17694.110000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [18967.710000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [19117.720000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [19669.770000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [19769.780000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [20517.280000] nf_conntrack: automatic helper assignment is deprecated and
 it will be removed soon. Use the iptables CT target to attach helpers
 instead.
 [20869.860000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [21019.870000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [21069.880000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [29950.260000] UDP: short packet: From 12.191.25.170:41405 25649/123 to
 10.241.25.97:6881
 [30848.650000] UDP: short packet: From 12.191.25.170:41405 25649/123 to
 10.241.25.97:6881
 [31741.360000] UDP: short packet: From 12.191.25.170:63274 25649/123 to
 10.241.25.97:6881
 [32638.260000] UDP: short packet: From 12.191.25.170:63274 25649/123 to
 10.241.25.97:6881
 [101401.310000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [101465.730000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [101782.840000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [101882.850000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [102232.890000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [102382.890000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [102433.390000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [102483.400000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [102533.400000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [103504.980000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [103554.980000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [103805.000000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [104455.050000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [104805.580000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [104855.590000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [104956.090000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [105356.130000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [105556.140000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [106830.240000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [107131.270000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [107381.790000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [107632.820000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [179872.190000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [179922.190000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [180422.230000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [180472.230000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [180622.240000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [180722.250000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [182936.430000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [183236.950000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [183486.970000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [184037.020000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [184187.030000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [189651.470000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [189701.460000] ath: phy0: Failed to stop TX DMA, queues=0x004!
 [190713.050000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [191033.580000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [191084.080000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [191221.590000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [191272.090000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [191373.100000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [191683.630000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [192154.670000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [192654.710000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [192975.730000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [273940.780000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [274290.800000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [274340.810000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [274750.840000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [274850.850000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [274961.360000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [275111.370000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [275161.370000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [278623.950000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [371412.970000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [371462.970000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [412280.480000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [413916.880000] ath: phy0: Failed to stop TX DMA, queues=0x004!
 [418422.920000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [423076.770000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [439779.560000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [532203.550000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [532353.560000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [532503.570000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [532654.090000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [532904.610000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [533305.140000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [533355.140000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [533405.150000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [533725.170000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [533826.190000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [534273.210000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [536612.400000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [536821.920000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [536921.930000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [536971.930000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [537331.460000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [537436.470000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [538716.560000] ath: phy0: Failed to stop TX DMA, queues=0x004!
 [538766.570000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [615297.600000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [619151.950000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [619409.970000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [621501.640000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [622552.220000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [622902.250000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [623452.300000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [659849.160000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [660653.220000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [686565.050000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [687253.450000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [687374.560000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [687494.910000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [698518.170000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [698568.180000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [698878.700000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [699765.770000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [700099.300000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [700408.830000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [700459.830000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [700509.830000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [701547.420000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [701894.940000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [701944.950000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [702194.970000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [702764.010000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [702865.020000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [702965.030000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [703509.570000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [707415.880000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [708175.440000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [708375.960000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [708476.470000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [708676.980000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [709149.510000] ath: phy0: Failed to stop TX DMA, queues=0x004!
 [710202.100000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [710302.110000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [710402.110000] ath: phy0: Failed to stop TX DMA, queues=0x004!
 [710703.140000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [710753.150000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [710953.160000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [711103.170000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [711203.180000] ath: phy0: Failed to stop TX DMA, queues=0x004!
 [711253.190000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [711353.200000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [711585.710000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [711635.720000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [711735.730000] ath: phy0: Failed to stop TX DMA, queues=0x005!
 [716187.260000] device wlan0 left promiscuous mode
 [716187.260000] br-lan: port 2(wlan0) entered disabled state
 [716188.870000] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
 [716188.870000] device wlan0 entered promiscuous mode
 [716190.880000] br-lan: port 2(wlan0) entered listening state
 [716190.890000] br-lan: port 2(wlan0) entered listening state
 [716190.900000] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
 [716192.890000] br-lan: port 2(wlan0) entered learning state
 [716194.890000] br-lan: topology change detected, propagating
 [716194.890000] br-lan: port 2(wlan0) entered forwarding state
 [717553.990000] device wlan0 left promiscuous mode
 [717553.990000] br-lan: port 2(wlan0) entered disabled state
 [717555.590000] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
 [717555.600000] device wlan0 entered promiscuous mode
 [717557.860000] br-lan: port 2(wlan0) entered listening state
 [717557.860000] br-lan: port 2(wlan0) entered listening state
 [717557.870000] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
 [717559.860000] br-lan: port 2(wlan0) entered learning state
 [717561.860000] br-lan: topology change detected, propagating
 [717561.860000] br-lan: port 2(wlan0) entered forwarding state

 }}}


 {{{
 cat /sys/kernel/debug/ieee80211/phy0/ath9k/reset
     Baseband Hang:  0
 Baseband Watchdog: 200
    Fatal HW Error:  0
       TX HW error:  0
  Transmit timeout:  0
      TX Path Hang:  1
       PLL RX Hang:  0
          MAC Hang:  0
      Stuck Beacon: 38
         MCI Reset:  0
 Calibration error:  3

 }}}

 network is sometime unstable and slow but also on eth interface too (ping
 grow up from cca 30ms to 250-300ms)

--
Ticket URL: <https://dev.openwrt.org/ticket/11862#comment:260>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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