Hey,

I've got the same Oops as you.
It seems that all you need to do is "modprobe pcf857x" before you
"modprobe musb_hdrc".
By the way, I think it's better to build pcf857x driver as a part of
the kernel image.

Good luck.

2008/10/30 BlackSword <[EMAIL PROTECTED]>:
> Hi all,
> any body have some idea about:
> While compile Device Drivers----->USB Support----->Inventra Highspeed Dual
> Role Controller (TI, ...) to Y. (means compiled into the kernel). System
> will also panic。
> below is the log:
> Uncompressing
> Linux.............................................................
> ................................... done, booting the
> kernel.
> <5>Linux version 2.6.27-rc6-davinci1 ([EMAIL PROTECTED]) (gcc version 4.3.2
> (GCC
> ) ) #23 PREEMPT Thu Oct 30 01:04:56 CST
> 2008
> CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ),
> cr=00053177
> Machine: DaVinci
> EVM
> Memory policy: ECC disabled, Data cache
> writeback
> <7>On node 0 totalpages:
> 51200
> <7>free_area_init_node: node 0, pgdat c02ede3c, node_mem_map
> c031b000
> <7>  DMA zone: 32512 pages, LIFO
> batch:7
> <7>  Normal zone: 18288 pages, LIFO
> batch:3
> DaVinci DM6446 variant
> 0x0
> CPU0: D VIVT write-back
> cache
> CPU0: I cache: 16384 bytes, associativity 4, 32 byte lines, 128
> sets
> CPU0: D cache: 8192 bytes, associativity 4, 32 byte lines, 64
> sets
> Built 1 zonelists in Zone order, mobility grouping on.  Total pages:
> 50800
> <5>Kernel command line: console=ttyS0,115200n8 noinitrd rw ip=192.168.23.99
> root
> =/dev/nfs nfsroot=192.168.23.3:/opt/fileroot,nolock mem=200M
> video=davincifb:out
> put=lcd
> PID hash table entries: 1024 (order: 10, 4096
> bytes)
> Console: colour dummy device
> 80x30
> <6>Dentry cache hash table entries: 32768 (order: 5, 131072
> bytes)
> <6>Inode-cache hash table entries: 16384 (order: 4, 65536
> bytes)
> <6>Memory: 200MB = 200MB
> total
> <5>Memory: 199612KB available (2740K code, 264K data, 128K
> init)
> <6>Calibrating delay loop... 147.86 BogoMIPS
> (lpj=739328)
> Mount-cache hash table entries:
> 512
> <6>CPU: Testing write buffer coherency:
> ok
> <7>device: 'platform':
> device_add
> <7>bus: 'platform':
> registered
> <7>Registering sysdev class
> 'cpu'
> <6>net_namespace: 804
> bytes                                               &nbs p;
> <6>NET: Registered protocol family
> 16
> <7>device class 'bdi':
> registering
> <7>device class 'video_output':
> registering
> <7>device class 'tty':
> registering
> <7>device class 'vtconsole':
> registering
> <7>device: 'vtcon0':
> device_add
> <4>WARNING: both IDE and NOR flash are enabled, but share
> pins.
>          Disable IDE for NOR
> support.
> <7>Registering platform device 'physmap-flash.0'. Parent at
> platform
> <7>device: 'physmap-flash.0':
> device_add
> <7>bus: 'platform': add device
> physmap-flash.0
> <7>Registering platform device 'davinci_nand.0'. Parent at
> platform
> <7>device: 'davinci_nand.0':
> device_add
> <7>bus: 'platform': add device
> davinci_nand.0
> <7>Registering platform device 'davincifb'. Parent at
> platform
> <7>device: 'davincifb':
> device_add
> <7>bus: 'platform': add device
> davincifb
> <7>Registering platform device 'rtc_davinci_evm'. Parent at
> platform
> <7>device: 'rtc_davinci_evm':
> device_add
> <7>bus: 'platform': add device
> rtc_davinci_evm
> <7>Registering platform device 'palm_bk3710'. Parent at
> platform
> <7>device: 'palm_bk3710':
> device_add
> <7>bus: 'platform': add device
> palm_bk3710
> <7>Registering platform device 'i2c_davinci.1'. Parent at
> platform
> <7>device: 'i2c_davinci.1':
> device_add
> <7>bus: 'platform': add device
> i2c_davinci.1
> <7>Registering platform device 'musb_hdrc'. Parent at
> platform
> <7>device: 'musb_hdrc':
> device_add
> <7>bus: 'platform': add device
> musb_hdrc
> <7>Registering platform device 'serial8250.0'. Parent at
> platform
> <7>device: 'serial8250.0':
> device_add
> <7>bus: 'platform': add device
> serial8250.0
> <6>DaVinci: 71 gpio
> irqs
> <7>Registering platform device 'davinci_mmc.1'. Parent at
> platform
> <7>device: 'davinci_mmc.1':
> device_add
> <7>bus: 'platform': add device
> davinci_mmc.1
> <7>Registering sys device of class
> 'cpu'
> <7>Registering sys device
> 'cpu0'
> <7>device: 'default':
> device_add
> <7>device class 'block':
> registering
> <7>device class 'graphics':
> registering
> <7>device class 'misc':
> registering
> <7>bus: 'serio':
> registered
> <7>bus: 'i2c':
> registered
> <7>device class 'i2c-adapter':
> registering                                  &nbs p;
> <7>bus: 'i2c': add driver
> dummy
> <7>bus: 'platform': add driver
> i2c_davinci
> <7>bus: 'platform': driver_probe_device: matched device i2c_davinci.1 with
> drive
> r
> i2c_davinci
> <7>bus: 'platform': really_probe: probing driver i2c_davinci with device
> i2c_dav
> inci.1
> <7>device: 'i2c-1':
> device_add
> <7>device: '1-0038':
> device_add
> <7>bus: 'i2c': add device
> 1-0038                                           &nbsp ;
> <7>device: '1-0039':
> device_add
> <7>bus: 'i2c': add device
> 1-0039
> <7>device: '1-003a':
> device_add                                             &nbs p;
> <7>bus: 'i2c': add device
> 1-003a
> <7>device: '1-0050':
> device_add
> <7>bus: 'i2c': add device
> 1-0050                                             &nb sp;
> <7>driver: 'i2c_davinci.1': driver_bound: bound to device
> 'i2c_davinci'
> <7>bus: 'platform': really_probe: bound device i2c_davinci.1 to driver
> i2c_davin
> ci
> <7>bus: 'usb':
> registered
> <7>device class 'usb_host':
> registering
> <7>bus: 'usb': add driver
> usbfs                                              &nb sp;
> <6>usbcore: registered new interface driver
> usbfs
> <7>bus: 'usb': add driver
> hub
> <6>usbcore: registered new interface driver
> hub
> <7>bus: 'usb': add driver
> usb
> <6>usbcore: registered new device driver
> usb
> <6>musb_hdrc: version 6.0, cppi-dma, host,
> debug=0
> <7>bus: 'platform': add driver
> musb_hdrc
> <7>bus: 'platform': driver_probe_device: matched device musb_hdrc with
> driver mu
> sb_hdrc
> <7>bus: 'platform': really_probe: probing driver musb_hdrc with device
> musb_hdrc
> <1>Unable to handle kernel NULL pointer dereference at virtual address
> 00000020
> <1>pgd =
> c0004000
> <1>[00000020]
> *pgd=00000000
> Internal error: Oops: 5 [#1]
> PREEMPT
> Modules linked in:                                                     &nbsp
> ;
> CPU: 0    Not tainted  (2.6.27-rc6-davinci1
> #23)
> PC is at
> gpio_set_value_cansleep+0x18/0x34
> LR is at
> davinci_source_power+0x3c/0x58
> pc : [<c0142d74>]    lr : [<c019f6bc>]    psr:
> 20000013
> sp : cc019d10  ip : cc019d20  fp :
> cc019d1c
> r10: cc03c000  r9 : 00000000  r8 :
> c02dab94
> r7 : c02e930c  r6 : 00000000  r5 : c02e9364  r4 :
> 00000000
> r3 : 00000000  r2 : 00000001  r1 : 00000001  r0 :
> 00000057
> Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment
> kernel
> Control: 0005317f  Table: 80004000  DAC:
> 00000017
> Process swapper (pid: 1, stack limit =
> 0xcc018268)
> Stack: (0xcc019d10 to
> 0xcc01a000)
> 9d00:                                     cc019d34 cc019d20 c019f6bc
> c0142d6c
> 9d20: cc03c0d8 cd000000 cc019d4c cc019d38 c001bd98 c019f690 c02dac20
> cc03c0d8
> 9d40: cc019e2c cc019d50 c001b460 c001bd48 c04e0dcc c00cf20c cc00f4e8
> cc00ee00
> 9d60: c02dab94 c02dab00 c02dab08 0000000c cd000000 cc03c1ec c02daae0
> cc019d88
> 9d80: c00cfa9c c023af04 cc091188 cc019da0 cc019dbc cc019da0 c00cf65c
> c00cf4cc
> 9da0: cc019dcc cc091188 cc091fc8 00000000 cc091fc8 cc019dd8 cc00f4e8
> 00000001
> 9dc0: 00000000 00000000 cc019e0c cc019dd8 c00d07d4 c00cfa90 cc00f4e8
> 00000000
> 9de0: 00000000 00000001 cc091188 c02dab08 00000000 c02dab70 c02e930c
> c02dab94
> 9e00: cc019e1c c02dab08 c02dabb4 c02dab08 c02e930c c02dab94 00000000
> 00000000
> 9e20: cc019e3c cc019e30 c016fcfc c001b26c cc019e6c cc019e40 c016ee80
> c016fcec
> 9e40: c02dab94 c00cfe14 cc019e6c c02dab08 c02dabb4 c02e930c cc019e94
> c02e6bf8
> 9e60: cc019e8c cc019e70 c016efd8 c016ed74 00000000 00000000 c016ef88
> c02e930c
> 9e80: cc019ebc cc019e90 c016e608 c016ef98 c0137c44 cc003dd8 cc003dd8
> c02dab50
> 9ea0: 00000000 c02e92ec c02e930c cc0323c0 cc019ecc cc019ec0 c016ec1c
> c016e5c4
> 9ec0: cc019efc cc019ed0 c016de58 c016ec0c c024c05c cc019ee0 c0137f4c
> c0021ba0
> 9ee0: c02e92ec c02e930c c001b0a4 00000001 cc019f24 cc019f00 c016f1ec
> c016ddb0
> 9f00: 00000000 c0021ba0 c02e92ec 00000000 c001b0a4 00000001 cc019f34
> cc019f28
> 9f20: c016ff30 c016f148 cc019f54 cc019f38 c016ff68 c016fec8 cc019f64
> c0021ba0
> 9f40: c0021d38 00000000 cc019f64 cc019f58 c001b0e0 c016ff5c cc019fd4
> cc019f68
> 9f60: c00282c8 c001b0b4 c00c9c44 c00c9938 cc019f00 cc032b40 c00c9d48
> cc019f96
> 9f80: cc019fbc cc019f90 c00673fc c00c9bd4 cc019fac 3336fc10 00000000
> 00000000
> 9fa0: 00000087 c0021d38 00000000 00000000 cc019fd4 c0021ba0 c0021d38
> 00000000
> 9fc0: 00000000 00000000 cc019ff4 cc019fd8 c00085b8 c0028288 00000000
> 00000001
> 9fe0: 00000000 00000000 00000000 cc019ff8 c003fc38 c0008544 ffffffff
> ffffffff
> Backtrace:
> [<c0142d5c>] (gpio_set_value_cansleep+0x0/0x34) from [<c019f6bc>]
> (davinci_sourc
> e_power+0x3c/0x58)
> [<c019f680>] (davinci_source_power+0x0/0x58) from [<c001bd98>]
> (musb_platform_in
> it+0x60/0xb0)
>  r5:cd000000
> r4:cc03c0d8
> [<c001bd38>] (musb_platform_init+0x0/0xb0) from [<c001b460>]
> (musb_probe+0x204/0
> xadc)
>  r5:cc03c0d8
> r4:c02dac20
> [<c001b25c>] (musb_probe+0x0/0xadc) from [<c016fcfc>]
> (platform_drv_probe+0x20/0
> x24)
> [<c016fcdc>] (platform_drv_probe+0x0/0x24) from [<c016ee80>]
> (driver_probe_devic
> e+0x11c/0x224)
> [<c016ed64>] (driver_probe_device+0x0/0x224) from [<c016efd8>]
> (__driver_attach+
> 0x50/0x74)
>  r8:c02e6bf8 r7:cc019e94 r6:c02e930c r5:c02dabb4
> r4:c02dab08
> [<c016ef88>] (__driver_attach+0x0/0x74) from [<c016e608>]
> (bus_for_each_dev+0x54
> /0x90)
>  r6:c02e930c r5:c016ef88
> r4:00000000
> [<c016e5b4>] (bus_for_each_dev+0x0/0x90) from [<c016ec1c>]
> (driver_attach+0x20/0
> x28)
>  r7:cc0323c0 r6:c02e930c r5:c02e92ec
> r4:00000000
> [<c016ebfc>] (driver_attach+0x0/0x28) from [<c016de58>]
> (bus_add_driver+0xb8/0x2
> 24)
> [<c016dda0>] (bus_add_driver+0x0/0x224) from [<c016f1ec>]
> (driver_register+0xb4/
> 0x140)
>  r8:00000001 r7:c001b0a4 r6:c02e930c r5:c02e92ec
> r4:c0021ba0
> [<c016f138>] (driver_register+0x0/0x140) from [<c016ff30>]
> (platform_driver_regi
> ster+0x78/0x94)
>  r8:00000001 r7:c001b0a4 r6:00000000 r5:c02e92ec
> r4:c0021ba0
> [<c016feb8>] (platform_driver_register+0x0/0x94) from [<c016ff68>]
> (platform_dri
> ver_probe+0x1c/0x98)
> [<c016ff4c>] (platform_driver_probe+0x0/0x98) from [<c001b0e0>]
> (musb_init+0x3c/
> 0x54)
>  r6:00000000 r5:c0021d38
> r4:c0021ba0
> [<c001b0a4>] (musb_init+0x0/0x54) from [<c00282c8>]
> (do_one_initcall+0x50/0x194)
> [<c0028278>] (do_one_initcall+0x0/0x194) from [<c00085b8>]
> (kernel_init+0x84/0xf
> 4)
>  r8:00000000 r7:00000000 r6:00000000 r5:c0021d38
> r4:c0021ba0
> [<c0008534>] (kernel_init+0x0/0xf4) from [<c003fc38>]
> (do_exit+0x0/0x7b8)
>  r5:00000000
> r4:00000000
> Code: e24cb004 e59f301c e1a02001 e7933180
> (e5931020)
> <4>---[ end trace 1b75b31a2719ed1c
> ]---
> <0>Kernel panic - not syncing: Attempted to kill init!
>
> On Wed, Oct 29, 2008 at 11:22 PM, <[EMAIL PROTECTED]> wrote:
>>
>> Steve,
>> Thanks very much.
>> I've already saw the penguin now.
>> The left problems for me now is:
>> 1. While using Xkdrive, all video will shrink to top half.
>> 2. While compile Device Drivers----->USB Support----->Inventra Highspeed
>> Dual Role Controller (TI, ...) to Y. (means compiled into the kernel).
>> System will also panic
>> 3. Make the the system runtime output switchable
>>
>>
>> http://focus.ti.com/dsp/docs/dspsupporttechdocsc.tsp?sectionId=3&tabId=409&familyId=1302&abstractName=spraan0
>> is referred to have the penguin on lcd.
>>
>> Thanks again.
>> On Oct 29, 2008 8:32pm, Steve Chen <[EMAIL PROTECTED]> wrote:
>> > David,
>> >
>> >
>> >
>> > On Tue, 2008-10-28 at 22:20, [EMAIL PROTECTED] wrote:
>> >
>> > > Setting Video1 size 720x480, position (0,0)
>> >
>> > > Setting OSD0 size 720x480, position (0,0)
>> >
>> > > Setting OSD1 size 720x480, position (0,0)
>> >
>> > > Unsupported output device!
>> >
>> > This line seems to correspond to line 1492 of drivers/video/davincifb.c.
>> >
>> > On line 1493,
>> >
>> >
>> >
>> >                dm->output_device_config = NULL;
>> >
>> >
>> >
>> > Line 1652 of the same file
>> >
>> >
>> >
>> >        dm->output_device_config(1);
>> >
>> >
>> >
>> > will give you kernel panic on NULL pointer deference.  The obvious
>> >
>> > question to ask is why isn't NULL pointer checked?   Unfortunately, I'm
>> >
>> > not familiar with the davinci frame buffer driver, so I'm ill qualified
>> >
>> > to advice.  Perhaps others on the mailing list can provide inputs.
>> >
>> >
>> >
>> > Regards,
>> >
>> >
>> >
>> > Steve
>> >
>> >
>> >
>
>
> --
> David
>
> Manager, Business Development
> Embedio. Inc.
> +86 13581953152
>
> _______________________________________________
> Davinci-linux-open-source mailing list
> [email protected]
> http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
>
>

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