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Message-ID: <AANLkTil8GE1OguyAfp3XgfJvEmH98yNrlvGAx684a-qL@mail.gmail.com>
Date:	Thu, 15 Jul 2010 23:16:30 +0800
From:	Conke Hu <conke.hu@...il.com>
To:	CoffBeta <coffbeta@...il.com>
Cc:	inux kernel <linux-kernel@...r.kernel.org>,
	linux-arm-kernel@...ts.infradead.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Brownell <dbrownell@...rs.sourceforge.net>,
	gregkh@...e.de,
	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>, ext-jani.1.nikula@...ia.com
Subject: Re: tq 2440

ever notice to the following kernel log?
"Device 's3c2440-nand' does not have a release() function, it is
broken and must."
release() function should be implemented  in the platform_device.

Conke


On Thu, Jul 1, 2010 at 10:31 AM, CoffBeta <coffbeta@...il.com> wrote:
>
> NOW, Booting Linux......
> Uncompressing Linux.............................................................
> s3c24xx_serial_initconsole
> s3c24xx_serial_initconsole
> s3c24xx_serial_init_ports: initialising ports...
> s3c24xx_serial_init_port: port=c03939ec, platdev=c03a3700
> s3c24xx_serial_init_port: c03939ec (hw 0)...
> resource c0387c38 (50000000..50003fff)
> port: map=50000000, mem=f5000000, irq=70, clock=1
> s3c2440_serial_resetport: port=c03939ec (50000000), cfg=c03a367c
>                                                               s3c24xx_serial_0
> s3c24xx_serial_init_port: c0393a84 (hw 1)...
> resource c0387c70 (50004000..50007fff)
> port: map=50004000, mem=f5004000, irq=73, clock=1
> s3c2440_serial_resetport: port=c0393a84 (50004000), cfg=c03a3698
> s3c24xx_serial_init_port: port=c0393b1c, platdev=c0387e08
> s3c24xx_serial_init_port: c0393b1c (hw 2)...
> resource c0387ca8 (50008000..5000bfff)
> port: map=50008000, mem=f5008000, irq=76, clock=1
> s3c2440_serial_resetport: port=c0393b1c (50008000), cfg=c03a36b4
> s3c24xx_serial_console_setup: co=c0393ba0 (0), <NULL>
> s3c24xx_serial_console_setup: port=c03939ec (0)
> s3c24xx_serial_get_options: port=c03939ec
> registers: ulcon=00000003, ucon=000003c5, ubdriv=0000001a
> calculated baud 115740
> s3c24xx_serial_console_setup: baud 115740
> config: 8bits/char
> setting ulcon to 00000003, brddiv to 26
> uart: ulcon = 0x00000003, ucon = 0x000003c5, ufcon = 0x00000051
> Linux version 2.6.27-EmbedSky (ymcheng@...heng-desktop) (gcc version 4.3.3 (Sou0
> CPU: ARM920T [41129200] revision 0 (ARMv4T), cr=c0007177
> Machine: SMDK2440
> ATAG_INITRD is deprecated; please update your bootloader.
> Memory policy: ECC disabled, Data cache writeback
> CPU S3C2440A (id 0x32440001)
> S3C244X: core 400.000 MHz, memory 100.000 MHz, peripheral 50.000 MHz
> S3C24XX Clocks, (c) 2004 Simtec Electronics
> CLOCK: Slow mode (1.500 MHz), fast, MPLL on, UPLL on
> CPU0: D VIVT write-back cache
> CPU0: I cache: 16384 bytes, associativity 64, 32 byte lines, 8 sets
> CPU0: D cache: 16384 bytes, associativity 64, 32 byte lines, 8 sets
> Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 16256
> Kernel command line: noinitrd root=/dev/mtdblock2 init=/linuxrc console=ttySAC0
> irq: clearing pending ext status 00080000
> irq: clearing subpending status 00000003
> irq: clearing subpending status 00000002
> PID hash table entries: 256 (order: 8, 1024 bytes)
> timer tcon=00500000, tcnt a2c1, tcfg 00000200,00000000, usec 00001eb8
> Console: colour dummy device 80x30
> console [ttySAC0] enabled
> Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
> Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
> Memory: 64MB = 64MB total
> Memory: 60980KB available (3428K code, 303K data, 128K init)
> Calibrating delay loop... 199.47 BogoMIPS (lpj=498688)
> Mount-cache hash table entries: 512
> CPU: Testing write buffer coherency: ok
>
> ...............linux 2.6.27...............
> net_namespace: 440 bytes
> NET: Registered protocol family 16
> ------------[ cut here ]------------
> WARNING: at fs/sysfs/dir.c:463 sysfs_add_one+0x30/0x44()
> sysfs: duplicate filename 'dm9000.0' can not be created
> Modules linked in:
> [<c02a4bf8>] (dump_stack+0x0/0x14) from [<c0046f70>] (warn_slowpath+0x64/0x80)
> [<c0046f0c>] (warn_slowpath+0x0/0x80) from [<c00cdb74>] (sysfs_add_one+0x30/0x4)
>  r3:c3841ea0 r2:c03396e6
>  r6:c0389288 r5:c3849248 r4:ffffffef
> [<c00cdb44>] (sysfs_add_one+0x0/0x44) from [<c00ce140>] (create_dir+0x58/0xa8)
>  r5:c3849248 r4:c3819dc0
> [<c00ce0e8>] (create_dir+0x0/0xa8) from [<c00ce1d0>] (sysfs_create_dir+0x40/0x6)
>  r8:c0394128 r7:c03892ac r6:c0394128 r5:00000000 r4:c0389288
> [<c00ce190>] (sysfs_create_dir+0x0/0x60) from [<c01334dc>] (kobject_add_interna)
>  r4:c0389288
> [<c013341c>] (kobject_add_internal+0x0/0x194) from [<c013368c>] (kobject_add_va)
>  r9:00000000 r8:c03892ac r7:c03892ac r6:c0394128 r5:00000000
> r4:c0389288
> [<c013364c>] (kobject_add_varg+0x0/0x50) from [<c0133738>] (kobject_add+0x58/0x)
>  r7:c03892ac r6:c0389218 r5:c0389220 r4:00000054
> [<c01336e0>] (kobject_add+0x0/0x64) from [<c0175de0>] (device_add+0x78/0x50c)
>  r3:c03892ac r2:c0355bea
> [<c0175d68>] (device_add+0x0/0x50c) from [<c017932c>] (platform_device_add+0x10)
> [<c017922c>] (platform_device_add+0x0/0x150) from [<c017939c>] (platform_device)
>  r7:00000006 r6:00000000 r5:c002514c r4:c0389218
> [<c017937c>] (platform_device_register+0x0/0x24) from [<c0179594>] (platform_ad)
>  r5:c002514c r4:00000005
> [<c0179570>] (platform_add_devices+0x0/0x68) from [<c0011b50>] (smdk_machine_in)
>  r7:c000e6ac r6:00000000 r5:00000000 r4:c0024ebc
> [<c0011acc>] (smdk_machine_init+0x0/0x98) from [<c0010950>] (smdk2440_machine_i)
> [<c0010928>] (smdk2440_machine_init+0x0/0x54) from [<c000e6cc>] (customize_mach)
>  r5:00000000 r4:c00226c4
> [<c000e6ac>] (customize_machine+0x0/0x2c) from [<c00282c0>] (do_one_initcall+0x)
> [<c0028268>] (do_one_initcall+0x0/0x180) from [<c00085c4>] (kernel_init+0x88/0x)
> [<c000853c>] (kernel_init+0x0/0xfc) from [<c0049fa8>] (do_exit+0x0/0x6bc)
>  r4:00000000
> ---[ end trace 1b75b31a2719ed1c ]---
> kobject_add_internal failed for dm9000.0 with -EEXIST, don't try to register th.
> [<c02a4bf8>] (dump_stack+0x0/0x14) from [<c0133568>] (kobject_add_internal+0x14)
> [<c013341c>] (kobject_add_internal+0x0/0x194) from [<c013368c>] (kobject_add_va)
>  r9:00000000 r8:c03892ac r7:c03892ac r6:c0394128 r5:00000000
> r4:c0389288
> [<c013364c>] (kobject_add_varg+0x0/0x50) from [<c0133738>] (kobject_add+0x58/0x)
>  r7:c03892ac r6:c0389218 r5:c0389220 r4:00000054
> [<c01336e0>] (kobject_add+0x0/0x64) from [<c0175de0>] (device_add+0x78/0x50c)
>  r3:c03892ac r2:c0355bea
> [<c0175d68>] (device_add+0x0/0x50c) from [<c017932c>] (platform_device_add+0x10)
> [<c017922c>] (platform_device_add+0x0/0x150) from [<c017939c>] (platform_device)
>  r7:00000006 r6:00000000 r5:c002514c r4:c0389218
> [<c017937c>] (platform_device_register+0x0/0x24) from [<c0179594>] (platform_ad)
>  r5:c002514c r4:00000005
> [<c0179570>] (platform_add_devices+0x0/0x68) from [<c0011b50>] (smdk_machine_in)
>  r7:c000e6ac r6:00000000 r5:00000000 r4:c0024ebc
> [<c0011acc>] (smdk_machine_init+0x0/0x98) from [<c0010950>] (smdk2440_machine_i)
> [<c0010928>] (smdk2440_machine_init+0x0/0x54) from [<c000e6cc>] (customize_mach)
>  r5:00000000 r4:c00226c4
> [<c000e6ac>] (customize_machine+0x0/0x2c) from [<c00282c0>] (do_one_initcall+0x)
> [<c0028268>] (do_one_initcall+0x0/0x180) from [<c00085c4>] (kernel_init+0x88/0x)
> [<c000853c>] (kernel_init+0x0/0xfc) from [<c0049fa8>] (do_exit+0x0/0x6bc)
>  r4:00000000
> ------------[ cut here ]------------
> WARNING: at drivers/base/core.c:122 device_release+0x6c/0x78()
> Device 's3c24xx_led.3' does not have a release() function, it is broken and mus.
> Modules linked in:
> [<c02a4bf8>] (dump_stack+0x0/0x14) from [<c0046f70>] (warn_slowpath+0x64/0x80)
> [<c0046f0c>] (warn_slowpath+0x0/0x80) from [<c01753b0>] (device_release+0x6c/0x)
>  r3:c0389184 r2:c0349209
>  r6:c3841f80 r5:c0393f70 r4:c0389160
> [<c0175344>] (device_release+0x0/0x78) from [<c0133384>] (kobject_release+0x5c/)
> [<c0133328>] (kobject_release+0x0/0x70) from [<c01340a8>] (kref_put+0x68/0x78)
>  r7:00000006 r6:ffffffef r5:c0133328 r4:c038917c
> [<c0134040>] (kref_put+0x0/0x78) from [<c0133268>] (kobject_put+0x48/0x60)
>  r5:c0025158 r4:c0389160
> [<c0133220>] (kobject_put+0x0/0x60) from [<c0174f48>] (put_device+0x1c/0x20)
>  r4:c03890f0
> [<c0174f2c>] (put_device+0x0/0x20) from [<c01794e8>] (platform_device_put+0x1c/)
> [<c01794cc>] (platform_device_put+0x0/0x20) from [<c017956c>] (platform_device_)
> [<c0179550>] (platform_device_unregister+0x0/0x20) from [<c01795b0>] (platform_)
>  r5:c0025158 r4:00000004
> [<c0179570>] (platform_add_devices+0x0/0x68) from [<c0011b50>] (smdk_machine_in)
>  r7:c000e6ac r6:00000000 r5:00000000 r4:c0024ebc
> [<c0011acc>] (smdk_machine_init+0x0/0x98) from [<c0010950>] (smdk2440_machine_i)
> [<c0010928>] (smdk2440_machine_init+0x0/0x54) from [<c000e6cc>] (customize_mach)
>  r5:00000000 r4:c00226c4
> [<c000e6ac>] (customize_machine+0x0/0x2c) from [<c00282c0>] (do_one_initcall+0x)
> [<c0028268>] (do_one_initcall+0x0/0x180) from [<c00085c4>] (kernel_init+0x88/0x)
> [<c000853c>] (kernel_init+0x0/0xfc) from [<c0049fa8>] (do_exit+0x0/0x6bc)
>  r4:00000000
> ---[ end trace 1b75b31a2719ed1c ]---
> ------------[ cut here ]------------
> WARNING: at drivers/base/core.c:122 device_release+0x6c/0x78()
> Device 's3c24xx_led.2' does not have a release() function, it is broken and mus.
> Modules linked in:
> [<c02a4bf8>] (dump_stack+0x0/0x14) from [<c0046f70>] (warn_slowpath+0x64/0x80)
> [<c0046f0c>] (warn_slowpath+0x0/0x80) from [<c01753b0>] (device_release+0x6c/0x)
>  r3:c038905c r2:c0349209
>  r6:c3841220 r5:c0393f70 r4:c0389038
> [<c0175344>] (device_release+0x0/0x78) from [<c0133384>] (kobject_release+0x5c/)
> [<c0133328>] (kobject_release+0x0/0x70) from [<c01340a8>] (kref_put+0x68/0x78)
>  r7:00000006 r6:ffffffef r5:c0133328 r4:c0389054
> [<c0134040>] (kref_put+0x0/0x78) from [<c0133268>] (kobject_put+0x48/0x60)
>  r5:c0025154 r4:c0389038
> [<c0133220>] (kobject_put+0x0/0x60) from [<c0174f48>] (put_device+0x1c/0x20)
>  r4:c0388fc8
> [<c0174f2c>] (put_device+0x0/0x20) from [<c01794e8>] (platform_device_put+0x1c/)
> [<c01794cc>] (platform_device_put+0x0/0x20) from [<c017956c>] (platform_device_)
> [<c0179550>] (platform_device_unregister+0x0/0x20) from [<c01795b0>] (platform_)
>  r5:c0025154 r4:00000003
> [<c0179570>] (platform_add_devices+0x0/0x68) from [<c0011b50>] (smdk_machine_in)
>  r7:c000e6ac r6:00000000 r5:00000000 r4:c0024ebc
> [<c0011acc>] (smdk_machine_init+0x0/0x98) from [<c0010950>] (smdk2440_machine_i)
> [<c0010928>] (smdk2440_machine_init+0x0/0x54) from [<c000e6cc>] (customize_mach)
>  r5:00000000 r4:c00226c4
> [<c000e6ac>] (customize_machine+0x0/0x2c) from [<c00282c0>] (do_one_initcall+0x)
> [<c0028268>] (do_one_initcall+0x0/0x180) from [<c00085c4>] (kernel_init+0x88/0x)
> [<c000853c>] (kernel_init+0x0/0xfc) from [<c0049fa8>] (do_exit+0x0/0x6bc)
>  r4:00000000
> ---[ end trace 1b75b31a2719ed1c ]---
> ------------[ cut here ]------------
> WARNING: at drivers/base/core.c:122 device_release+0x6c/0x78()
> Device 's3c24xx_led.1' does not have a release() function, it is broken and mus.
> Modules linked in:
> [<c02a4bf8>] (dump_stack+0x0/0x14) from [<c0046f70>] (warn_slowpath+0x64/0x80)
> [<c0046f0c>] (warn_slowpath+0x0/0x80) from [<c01753b0>] (device_release+0x6c/0x)
>  r3:c0388f34 r2:c0349209
>  r6:c38412e0 r5:c0393f70 r4:c0388f10
> [<c0175344>] (device_release+0x0/0x78) from [<c0133384>] (kobject_release+0x5c/)
> [<c0133328>] (kobject_release+0x0/0x70) from [<c01340a8>] (kref_put+0x68/0x78)
>  r7:00000006 r6:ffffffef r5:c0133328 r4:c0388f2c
> [<c0134040>] (kref_put+0x0/0x78) from [<c0133268>] (kobject_put+0x48/0x60)
>  r5:c0025150 r4:c0388f10
> [<c0133220>] (kobject_put+0x0/0x60) from [<c0174f48>] (put_device+0x1c/0x20)
>  r4:c0388ea0
> [<c0174f2c>] (put_device+0x0/0x20) from [<c01794e8>] (platform_device_put+0x1c/)
> [<c01794cc>] (platform_device_put+0x0/0x20) from [<c017956c>] (platform_device_)
> [<c0179550>] (platform_device_unregister+0x0/0x20) from [<c01795b0>] (platform_)
>  r5:c0025150 r4:00000002
> [<c0179570>] (platform_add_devices+0x0/0x68) from [<c0011b50>] (smdk_machine_in)
>  r7:c000e6ac r6:00000000 r5:00000000 r4:c0024ebc
> [<c0011acc>] (smdk_machine_init+0x0/0x98) from [<c0010950>] (smdk2440_machine_i)
> [<c0010928>] (smdk2440_machine_init+0x0/0x54) from [<c000e6cc>] (customize_mach)
>  r5:00000000 r4:c00226c4
> [<c000e6ac>] (customize_machine+0x0/0x2c) from [<c00282c0>] (do_one_initcall+0x)
> [<c0028268>] (do_one_initcall+0x0/0x180) from [<c00085c4>] (kernel_init+0x88/0x)
> [<c000853c>] (kernel_init+0x0/0xfc) from [<c0049fa8>] (do_exit+0x0/0x6bc)
>  r4:00000000
> ---[ end trace 1b75b31a2719ed1c ]---
> ------------[ cut here ]------------
> WARNING: at drivers/base/core.c:122 device_release+0x6c/0x78()
> Device 's3c24xx_led.0' does not have a release() function, it is broken and mus.
> Modules linked in:
> [<c02a4bf8>] (dump_stack+0x0/0x14) from [<c0046f70>] (warn_slowpath+0x64/0x80)
> [<c0046f0c>] (warn_slowpath+0x0/0x80) from [<c01753b0>] (device_release+0x6c/0x)
>  r3:c0388e0c r2:c0349209
>  r6:c38413a0 r5:c0393f70 r4:c0388de8
> [<c0175344>] (device_release+0x0/0x78) from [<c0133384>] (kobject_release+0x5c/)
> [<c0133328>] (kobject_release+0x0/0x70) from [<c01340a8>] (kref_put+0x68/0x78)
>  r7:00000006 r6:ffffffef r5:c0133328 r4:c0388e04
> [<c0134040>] (kref_put+0x0/0x78) from [<c0133268>] (kobject_put+0x48/0x60)
>  r5:c002514c r4:c0388de8
> [<c0133220>] (kobject_put+0x0/0x60) from [<c0174f48>] (put_device+0x1c/0x20)
>  r4:c0388d78
> [<c0174f2c>] (put_device+0x0/0x20) from [<c01794e8>] (platform_device_put+0x1c/)
> [<c01794cc>] (platform_device_put+0x0/0x20) from [<c017956c>] (platform_device_)
> [<c0179550>] (platform_device_unregister+0x0/0x20) from [<c01795b0>] (platform_)
>  r5:c002514c r4:00000001
> [<c0179570>] (platform_add_devices+0x0/0x68) from [<c0011b50>] (smdk_machine_in)
>  r7:c000e6ac r6:00000000 r5:00000000 r4:c0024ebc
> [<c0011acc>] (smdk_machine_init+0x0/0x98) from [<c0010950>] (smdk2440_machine_i)
> [<c0010928>] (smdk2440_machine_init+0x0/0x54) from [<c000e6cc>] (customize_mach)
>  r5:00000000 r4:c00226c4
> [<c000e6ac>] (customize_machine+0x0/0x2c) from [<c00282c0>] (do_one_initcall+0x)
> [<c0028268>] (do_one_initcall+0x0/0x180) from [<c00085c4>] (kernel_init+0x88/0x)
> [<c000853c>] (kernel_init+0x0/0xfc) from [<c0049fa8>] (do_exit+0x0/0x6bc)
>  r4:00000000
> ---[ end trace 1b75b31a2719ed1c ]---
> ------------[ cut here ]------------
> WARNING: at drivers/base/core.c:122 device_release+0x6c/0x78()
> Device 's3c2440-nand' does not have a release() function, it is broken and must.
> Modules linked in:
> [<c02a4bf8>] (dump_stack+0x0/0x14) from [<c0046f70>] (warn_slowpath+0x64/0x80)
> [<c0046f0c>] (warn_slowpath+0x0/0x80) from [<c01753b0>] (device_release+0x6c/0x)
>  r3:c0387014 r2:c0349209
>  r6:c3841460 r5:c0393f70 r4:c0386ff0
> [<c0175344>] (device_release+0x0/0x78) from [<c0133384>] (kobject_release+0x5c/)
> [<c0133328>] (kobject_release+0x0/0x70) from [<c01340a8>] (kref_put+0x68/0x78)
>  r7:00000006 r6:ffffffef r5:c0133328 r4:c038700c
> [<c0134040>] (kref_put+0x0/0x78) from [<c0133268>] (kobject_put+0x48/0x60)
>  r5:c0025148 r4:c0386ff0
> [<c0133220>] (kobject_put+0x0/0x60) from [<c0174f48>] (put_device+0x1c/0x20)
>  r4:c0386f80
> [<c0174f2c>] (put_device+0x0/0x20) from [<c01794e8>] (platform_device_put+0x1c/)
> [<c01794cc>] (platform_device_put+0x0/0x20) from [<c017956c>] (platform_device_)
> [<c0179550>] (platform_device_unregister+0x0/0x20) from [<c01795b0>] (platform_)
>  r5:c0025148 r4:00000000
> [<c0179570>] (platform_add_devices+0x0/0x68) from [<c0011b50>] (smdk_machine_in)
>  r7:c000e6ac r6:00000000 r5:00000000 r4:c0024ebc
> [<c0011acc>] (smdk_machine_init+0x0/0x98) from [<c0010950>] (smdk2440_machine_i)
> [<c0010928>] (smdk2440_machine_init+0x0/0x54) from [<c000e6cc>] (customize_mach)
>  r5:00000000 r4:c00226c4
> [<c000e6ac>] (customize_machine+0x0/0x2c) from [<c00282c0>] (do_one_initcall+0x)
> [<c0028268>] (do_one_initcall+0x0/0x180) from [<c00085c4>] (kernel_init+0x88/0x)
> [<c000853c>] (kernel_init+0x0/0xfc) from [<c0049fa8>] (do_exit+0x0/0x6bc)
>  r4:00000000
> ---[ end trace 1b75b31a2719ed1c ]---
> S3C2410 Power Management, (c) 2004 Simtec Electronics
> S3C2440: Initialising architecture
> S3C2440: IRQ Support
> S3C24XX DMA Driver, (c) 2003-2004,2006 Simtec Electronics
> DMA channel 0 at c4800000, irq 33
> DMA channel 1 at c4800040, irq 34
> DMA channel 2 at c4800080, irq 35
> DMA channel 3 at c48000c0, irq 36
> S3C244X: Clock Support, DVS off
> SCSI subsystem initialized
> usbcore: registered new interface driver usbfs
> usbcore: registered new interface driver hub
> usbcore: registered new device driver usb
> NET: Registered protocol family 2
> IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
> TCP established hash table entries: 2048 (order: 2, 16384 bytes)
> TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
> TCP: Hash tables configured (established 2048 bind 2048)
> TCP reno registered
> NET: Registered protocol family 1
> NetWinder Floating Point Emulator V0.97 (extended precision)
> JFFS2 version 2.2. (NAND) (SUMMARY)  �© 2001-2006 Red Hat, Inc.
> yaffs Jun  7 2010 15:39:55 Installing.
> msgmni has been set to 119
> io scheduler noop registered
> io scheduler anticipatory registered (default)
> io scheduler deadline registered
> io scheduler cfq registered
> Console: switching to colour frame buffer device 40x30
> fb0: s3c2410fb frame buffer device
> lp: driver loaded but no devices found
> ppdev: user-space parallel port driver
> s3c24xx_serial_init(c0393c44,c0393c94)
> s3c24xx_serial_init(c0393cc4,c0393d14)
> s3c2440_serial_probe: dev=c03a3700
> s3c24xx_serial_probe(c03a3700, c0393d14) 0
> s3c24xx_serial_probe: initialising port c03939d8...
> s3c24xx_serial_init_port: port=c03939ec, platdev=c03a3700
> s3c24xx_serial_probe: adding port
> s3c2440-uart.0: tq2440_serial0 at MMIO 0x50000000 (irq = 70) is a S3C2440
> s3c2440_serial_probe: dev=c0387ce0
> s3c24xx_serial_probe(c0387ce0, c0393d14) 1
> s3c24xx_serial_probe: initialising port c0393a70...
> s3c24xx_serial_init_port: port=c0393a84, platdev=c0387ce0
> s3c24xx_serial_probe: adding port
> s3c2440-uart.1: tq2440_serial1 at MMIO 0x50004000 (irq = 73) is a S3C2440
> s3c2440_serial_probe: dev=c0387e08
> s3c24xx_serial_probe(c0387e08, c0393d14) 2
> s3c24xx_serial_probe: initialising port c0393b08...
> s3c24xx_serial_init_port: port=c0393b1c, platdev=c0387e08
> s3c24xx_serial_probe: adding port
> s3c2440-uart.2: tq2440_serial2 at MMIO 0x50008000 (irq = 76) is a S3C2440
> brd: module loaded
> loop: module loaded
> dm9000 Ethernet Driver, V1.31
> Now use the default MAC address: 10:23:45:67:89:ab
> dm9000 dm9000.0: eth%d: Invalid ethernet MAC address. Please set using ifconfig
> eth0: dm9000e at c485e000,c4860004 IRQ 51 MAC: 00:00:00:00:00:00 (chip)
> Uniform Multi-Platform E-IDE driver
> st: Version 20080504, fixed bufsize 32768, s/g segs 256
> Driver 'st' needs updating - please use bus_type methods
> Driver 'sd' needs updating - please use bus_type methods
> S3C24XX NAND Driver, (c) 2004 Simtec Electronics
> usbmon: debugfs is not available
> s3c2410-ohci s3c2410-ohci: S3C24XX OHCI
> s3c2410-ohci s3c2410-ohci: new USB bus registered, assigned bus number 1
> s3c2410-ohci s3c2410-ohci: irq 42, io mem 0x49000000
> usb usb1: configuration #1 chosen from 1 choice
> hub 1-0:1.0: USB hub found
> hub 1-0:1.0: 2 ports detected
> Initializing USB Mass Storage driver...
> usbcore: registered new interface driver usb-storage
> USB Mass Storage support registered.
> usbcore: registered new interface driver libusual
> usbcore: registered new interface driver usbserial
> usbserial: USB Serial support registered for generic
> usbcore: registered new interface driver usbserial_generic
> usbserial: USB Serial Driver core
> usbserial: USB Serial support registered for FTDI USB Serial Device
> usbcore: registered new interface driver ftdi_sio
> ftdi_sio: v1.4.3:USB FTDI Serial Converters Driver
> usbserial: USB Serial support registered for pl2303
> usbcore: registered new interface driver pl2303
> pl2303: Prolific PL2303 USB to serial adaptor driver
> mice: PS/2 mouse device common for all mice
> S3C24XX RTC, (c) 2004,2006 Simtec Electronics
> i2c /dev entries driver
> s3c2440-i2c s3c2440-i2c: slave address 0x10
> s3c2440-i2c s3c2440-i2c: bus frequency set to 390 KHz
> s3c2440-i2c s3c2440-i2c: i2c-0: S3C I2C adapter
> S3C2410 Watchdog Timer, (c) 2004 Simtec Electronics
> s3c2410-wdt s3c2410-wdt: watchdog inactive, reset disabled, irq enabled
> usbcore: registered new interface driver hiddev
> usbcore: registered new interface driver usbhid
> usbhid: v2.6:USB HID core driver
> Advanced Linux Sound Architecture Driver Version 1.0.17.
> ALSA device list:
>  No soundcards found.
> TCP cubic registered
> NET: Registered protocol family 17
> RPC: Registered udp transport module.
> RPC: Registered tcp transport module.
> drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
> Root-NFS: No NFS server available, giving up.
> VFS: Unable to mount root fs via NFS, trying floppy.
> VFS: Cannot open root device "mtdblock2" or unknown-block(2,0)
> Please append a correct "root=" boot option; here are the available partitions:
> Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
>
>
>
>
>
>
>
> all the above is my start information.I don't know why can't able to
> mount root fs?how
> can I do? Thanks
> --
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--
Regards,
Conke Hu

MaxWit Embedded Training
http://www.maxwit.com
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