Re: BUG: one patch causes imx51 Babbage board detect usb hub failed

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[    0.000000] Booting Linux on physical CPU 0
[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Linux version 3.4.0-rc7+ (richard@b20223-02) (gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-9ubuntu3) ) #488 SMP PREEMPT Fri May 18 09:07:53 CST 2012
[    0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[    0.000000] Machine: Freescale i.MX6 Quad (Device Tree), model: Freescale i.MX6 Quad SABRE Lite Board
[    0.000000] Memory policy: ECC disabled, Data cache writealloc
[    0.000000] On node 0 totalpages: 262144
[    0.000000] free_area_init_node: node 0, pgdat c089a880, node_mem_map c0c8f000
[    0.000000]   Normal zone: 1710 pages used for memmap
[    0.000000]   Normal zone: 0 pages reserved
[    0.000000]   Normal zone: 192850 pages, LIFO batch:31
[    0.000000]   HighMem zone: 594 pages used for memmap
[    0.000000]   HighMem zone: 66990 pages, LIFO batch:15
[    0.000000] PERCPU: Embedded 8 pages/cpu @c159e000 s11712 r8192 d12864 u32768
[    0.000000] pcpu-alloc: s11712 r8192 d12864 u32768 alloc=8*4096
[    0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 259840
[    0.000000] Kernel command line: console=ttymxc1,115200 fec.macaddr=0x00,0x05,0x9f,0x02,0x30,0xe0 maxcpus=1 root=/dev/nfs ip=dhcp nfsroot=10.192.242.124:/home/richard/nfs/natty,v3,tcp
[    0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
[    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
[    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
[    0.000000] Memory: 1024MB = 1024MB total
[    0.000000] Memory: 1029012k/1029012k available, 19564k reserved, 270336K highmem
[    0.000000] Virtual kernel memory layout:
[    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
[    0.000000]     fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
[    0.000000]     vmalloc : 0xf0000000 - 0xff000000   ( 240 MB)
[    0.000000]     lowmem  : 0xc0000000 - 0xef800000   ( 760 MB)
[    0.000000]     pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
[    0.000000]     modules : 0xbf000000 - 0xbfe00000   (  14 MB)
[    0.000000]       .text : 0xc0008000 - 0xc07efbb0   (8095 kB)
[    0.000000]       .init : 0xc07f0000 - 0xc0841dc0   ( 328 kB)
[    0.000000]       .data : 0xc0842000 - 0xc089d678   ( 366 kB)
[    0.000000]        .bss : 0xc089d69c - 0xc091e4d4   ( 516 kB)
[    0.000000] Preemptible hierarchical RCU implementation.
[    0.000000] NR_IRQS:436
[    0.000000] L310 cache controller enabled
[    0.000000] l2x0: 16 ways, CACHE_ID 0x410000c7, AUX_CTRL 0x02070000, Cache size: 1048576 B
[    0.000000] sched_clock: 32 bits at 66MHz, resolution 15ns, wraps every 65075ms
[    0.000000] Console: colour dummy device 80x30
[    0.000436] Calibrating delay loop... 1581.05 BogoMIPS (lpj=7905280)
[    0.090210] pid_max: default: 32768 minimum: 301
[    0.090514] Security Framework initialized
[    0.090557] AppArmor: AppArmor initialized
[    0.090701] Mount-cache hash table entries: 512
[    0.097033] CPU: Testing write buffer coherency: ok
[    0.097089] ftrace: allocating 24121 entries in 71 pages
[    0.155894] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[    0.155974] hw perfevents: enabled with ARMv7 Cortex-A9 PMU driver, 7 counters available
[    0.156092] Setting up static identity map for 0x105a8318 - 0x105a8370
[    0.216169] Brought up 1 CPUs
[    0.216187] SMP: Total of 1 processors activated (1581.05 BogoMIPS).
[    0.217323] devtmpfs: initialized
[    0.223043] pinctrl core: initialized pinctrl subsystem
[    0.224221] dummy: 
[    0.224792] NET: Registered protocol family 16
[    0.232953] gpiochip_find_base: found new base at 224
[    0.233279] gpiochip_add: registered GPIOs 224 to 255 on device: 209c000.gpio
[    0.233843] gpiochip_find_base: found new base at 192
[    0.234161] gpiochip_add: registered GPIOs 192 to 223 on device: 20a0000.gpio
[    0.234741] gpiochip_find_base: found new base at 160
[    0.235067] gpiochip_add: registered GPIOs 160 to 191 on device: 20a4000.gpio
[    0.235642] gpiochip_find_base: found new base at 128
[    0.236116] gpiochip_add: registered GPIOs 128 to 159 on device: 20a8000.gpio
[    0.236687] gpiochip_find_base: found new base at 96
[    0.236993] gpiochip_add: registered GPIOs 96 to 127 on device: 20ac000.gpio
[    0.237585] gpiochip_find_base: found new base at 64
[    0.237897] gpiochip_add: registered GPIOs 64 to 95 on device: 20b0000.gpio
[    0.238473] gpiochip_find_base: found new base at 32
[    0.238791] gpiochip_add: registered GPIOs 32 to 63 on device: 20b4000.gpio
[    0.240535] vdd1p1: 800 <--> 1375 mV 
[    0.241315] vdd3p0: 2800 <--> 3150 mV at 2625 mV 
[    0.242080] vdd2p5: 2000 <--> 2750 mV at 2000 mV 
[    0.242896] cpu: 725 <--> 1450 mV at 1100 mV 
[    0.243672] vddpu: 725 <--> 1450 mV 
[    0.244467] vddsoc: 725 <--> 1450 mV 
[    0.252801] No ATAGs?
[    0.252828] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.
[    0.252846] hw-breakpoint: maximum watchpoint size is 4 bytes.
[    0.253781] imx6q-pinctrl 20e0000.iomuxc: initialized IMX pinctrl driver
[    0.291305] bio: create slab <bio-0> at 0
[    0.293099] 2P5V: 2500 mV 
[    0.293569] 3P3V: 3300 mV 
[    0.295186] SCSI subsystem initialized
[    0.296025] libata version 3.00 loaded.
[    0.297262] usbcore: registered new interface driver usbfs
[    0.297542] usbcore: registered new interface driver hub
[    0.297885] usbcore: registered new device driver usb
[    0.300286] Linux video capture interface: v2.00
[    0.302144] Advanced Linux Sound Architecture Driver Version 1.0.25.
[    0.303544] NetLabel: Initializing
[    0.303560] NetLabel:  domain hash size = 128
[    0.303572] NetLabel:  protocols = UNLABELED CIPSOv4
[    0.303638] NetLabel:  unlabeled traffic allowed by default
[    0.303815] Switching to clocksource mxc_timer1
[    0.329344] AppArmor: AppArmor Filesystem Enabled
[    0.360563] NET: Registered protocol family 2
[    0.360906] IP route cache hash table entries: 32768 (order: 5, 131072 bytes)
[    0.361823] TCP established hash table entries: 131072 (order: 8, 1048576 bytes)
[    0.363766] TCP bind hash table entries: 65536 (order: 7, 786432 bytes)
[    0.365004] TCP: Hash tables configured (established 131072 bind 65536)
[    0.365024] TCP: reno registered
[    0.365047] UDP hash table entries: 512 (order: 2, 16384 bytes)
[    0.365092] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[    0.365541] NET: Registered protocol family 1
[    0.366089] RPC: Registered named UNIX socket transport module.
[    0.366105] RPC: Registered udp transport module.
[    0.366118] RPC: Registered tcp transport module.
[    0.366130] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.368686] audit: initializing netlink socket (disabled)
[    0.368746] type=2000 audit(0.330:1): initialized
[    0.371070] highmem bounce pool size: 64 pages
[    0.373111] NFS: Registering the id_resolver key type
[    0.374952] Btrfs loaded
[    0.374988] msgmni has been set to 1481
[    0.376856] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253)
[    0.376878] io scheduler noop registered
[    0.376892] io scheduler deadline registered
[    0.377021] io scheduler cfq registered (default)
[    0.378606] imx-sdma 20ec000.sdma: failed to get firmware name
[    0.388908] imx-sdma 20ec000.sdma: initialized
[    0.389925] Serial: IMX driver
[    0.390319] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 59) is a IMX
[    0.982298] console [ttymxc1] enabled
[    1.002589] brd: module loaded
[    1.014488] loop: module loaded
[    1.020410] mtdoops: mtd device (mtddev=name/number) must be supplied
[    1.028418] spi_imx 2008000.ecspi: master is unqueued, this is deprecated
[    1.036069] m25p80 spi32766.0: found m25p05-nonjedec, expected sst25vf016b
[    1.042965] m25p80 spi32766.0: m25p05-nonjedec (64 Kbytes)
[    1.050901] spi_imx 2008000.ecspi: probed
[    1.078018] fec_enet_mii_bus: probed
[    1.083342] usbcore: registered new interface driver asix
[    1.089086] usbcore: registered new interface driver cdc_ether
[    1.095334] usbcore: registered new interface driver smsc95xx
[    1.101357] usbcore: registered new interface driver net1080
[    1.107293] usbcore: registered new interface driver cdc_subset
[    1.113488] usbcore: registered new interface driver zaurus
[    1.119399] usbcore: registered new interface driver cdc_ncm
[    1.126054] usbcore: registered new interface driver cdc_wdm
[    1.131727] Initializing USB Mass Storage driver...
[    1.136952] usbcore: registered new interface driver usb-storage
[    1.142972] USB Mass Storage support registered.
[    1.147948] usbcore: registered new interface driver libusual
[    1.154043] usbcore: registered new interface driver usbtest
[    1.160718] ci_hdrc ci_hdrc.35144192: doesn't support gadget
[    1.166489] ci_hdrc ci_hdrc.35144192: ChipIdea HDRC EHCI
[    1.172258] ci_hdrc ci_hdrc.35144192: new USB bus registered, assigned bus number 1
[    1.223900] ci_hdrc ci_hdrc.35144192: USB 2.0 started, EHCI 1.00
[    1.230054] usb usb1: default language 0x0409
[    1.230101] usb usb1: udev 1, busnum 1, minor = 0
[    1.230118] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[    1.236960] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    1.244223] usb usb1: Product: ChipIdea HDRC EHCI
[    1.248938] usb usb1: Manufacturer: Linux 3.4.0-rc7+ ehci_hcd
[    1.254718] usb usb1: SerialNumber: ci_hdrc.35144192
[    1.260270] usb usb1: usb_probe_device
[    1.260291] usb usb1: configuration #1 chosen from 1 choice
[    1.260338] usb usb1: adding 1-0:1.0 (config #1, interface 0)
[    1.260691] hub 1-0:1.0: usb_probe_interface
[    1.260709] hub 1-0:1.0: usb_probe_interface - got id
[    1.260726] hub 1-0:1.0: USB hub found
[    1.264586] hub 1-0:1.0: 1 port detected
[    1.268522] hub 1-0:1.0: standalone hub
[    1.268536] hub 1-0:1.0: individual port power switching
[    1.268550] hub 1-0:1.0: individual port over-current protection
[    1.268564] hub 1-0:1.0: Single TT
[    1.268577] hub 1-0:1.0: TT requires at most 8 FS bit times (666 ns)
[    1.268592] hub 1-0:1.0: power on to power good time: 20ms
[    1.268624] hub 1-0:1.0: local power source is good
[    1.268641] hub 1-0:1.0: enabling power on all ports
[    1.269865] i2c /dev entries driver
[    1.274054] Driver for 1-wire Dallas network protocol.
[    1.280937] device-mapper: ioctl: 4.22.0-ioctl (2011-10-19) initialised: dm-devel@xxxxxxxxxx
[    1.289524] cpuidle: using governor ladder
[    1.293633] cpuidle: using governor menu
[    1.298377] sdhci: Secure Digital Host Controller Interface driver
[    1.304677] sdhci: Copyright(c) Pierre Ossman
[    1.309045] sdhci-pltfm: SDHCI platform and OF driver helper
[    1.315190] mxc: set GPIO 32 to low trigger
[    1.317726] Registered led device: mmc0::
[    1.320174] mmc0: SDHCI controller on 2198000.usdhc [2198000.usdhc] using ADMA
[    1.327661] mxc: set GPIO 198 to low trigger
[    1.330291] Registered led device: mmc1::
[    1.332705] mmc1: SDHCI controller on 219c000.usdhc [219c000.usdhc] using ADMA
[    1.345112] oprofile: using arm/armv7-ca9
[    1.349663] TCP: cubic registered
[    1.352989] Initializing XFRM netlink socket
[    1.357826] NET: Registered protocol family 10
[    1.365143] hub 1-0:1.0: port 1: status 0101 change 0001
[    1.377077] IPv6 over IPv4 tunneling driver
[    1.404234] NET: Registered protocol family 17
[    1.408722] NET: Registered protocol family 15
[    1.413228] lib80211: common routines for IEEE802.11 drivers
[    1.418951] lib80211_crypt: registered algorithm 'NULL'
[    1.418969] lib80211_crypt: registered algorithm 'WEP'
[    1.418984] lib80211_crypt: registered algorithm 'CCMP'
[    1.418998] lib80211_crypt: registered algorithm 'TKIP'
[    1.419012] Registering the dns_resolver key type
[    1.426000] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4
[    1.433702] ThumbEE CPU extension supported.
[    1.438033] Registering SWP/SWPB emulation handler
[    1.444706] drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
[    1.464396] hub 1-0:1.0: state 7 ports 1 chg 0002 evt 0000
[    1.464436] hub 1-0:1.0: port 1, status 0101, change 0000, 12 Mb/s
[    1.498762] eth0: Freescale FEC PHY driver [Generic PHY] (mii_bus:phy_addr=2188000.ethernet:06, irq=-1)
[    1.509019] ADDRCONF(NETDEV_UP): eth0: link is not ready
[    1.583918] usb 1-1: new high-speed USB device number 2 using ci_hdrc
[    1.756025] usb 1-1: udev 2, busnum 1, minor = 1
[    1.756043] usb 1-1: New USB device found, idVendor=0424, idProduct=2513
[    1.762758] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[    1.770521] usb 1-1: usb_probe_device
[    1.770542] usb 1-1: configuration #1 chosen from 1 choice
[    1.771410] usb 1-1: adding 1-1:1.0 (config #1, interface 0)
[    1.771735] hub 1-1:1.0: usb_probe_interface
[    1.771753] hub 1-1:1.0: usb_probe_interface - got id
[    1.771771] hub 1-1:1.0: USB hub found
[    1.776354] hub 1-1:1.0: 3 ports detected
[    1.780378] hub 1-1:1.0: standalone hub
[    1.780390] hub 1-1:1.0: individual port power switching
[    1.780404] hub 1-1:1.0: individual port over-current protection
[    1.784467] hub 1-1:1.0: TT per port
[    1.784484] hub 1-1:1.0: TT requires at most 8 FS bit times (666 ns)
[    1.784500] hub 1-1:1.0: power on to power good time: 100ms
[    1.795670] hub 1-1:1.0: local power source is good
[    1.795689] hub 1-1:1.0: enabling power on all ports
[    1.803070] hub 1-0:1.0: state 7 ports 1 chg 0000 evt 0002
[    1.900177] hub 1-1:1.0: state 7 ports 3 chg 0000 evt 0000
[    1.900201] ci_hdrc ci_hdrc.35144192: fatal error
[    1.904955] ci_hdrc ci_hdrc.35144192: HC died; cleaning up
[    1.912189] ci_hdrc ci_hdrc.35144192: force halt; handshake f002e344 00004000 00004000 -> -110
[    1.920811] ci_hdrc ci_hdrc.35144192: HC died; cleaning up
[    1.931111] hub 1-0:1.0: state 0 ports 1 chg 0000 evt 0000
[    1.931136] usb 1-1: USB disconnect, device number 2
[    1.936137] usb 1-1: unregistering device
[    1.936154] usb 1-1: unregistering interface 1-1:1.0
[    1.936555] usb 1-1: usb_disable_device nuking all URBs
[    3.494251] PHY: 2188000.ethernet:06 - Link is Up - 100/Full
[    3.504670] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[    3.524019] Sending DHCP requests ., OK
[    3.633898] IP-Config: Got DHCP answer from 0.0.0.0, my address is 10.192.242.112
[    3.642550] IP-Config: Complete:
[    3.645836]      device=eth0, addr=10.192.242.112, mask=255.255.255.0, gw=10.192.242.254
[    3.653986]      host=10.192.242.112, domain=ap.freescale.net, nis-domain=(none)
[    3.661398]      bootserver=0.0.0.0, rootserver=10.192.242.124, rootpath=
[    3.668238] ALSA device list:
[    3.671213]   No soundcards found.
[    3.685997] VFS: Mounted root (nfs filesystem) readonly on device 0:13.
[    3.693411] devtmpfs: mounted
[    3.696818] Freeing init memory: 324K
[    5.838215] udev[637]: starting version 167
[   14.463863] eth0: no IPv6 routers present

Thanks
Richard

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