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本帖最后由 Sasoritattoo 于 2010-10-31 12:39 编辑
我这两天开始搞驱动，搞了两天，一个hello_world驱动都没搞定。每一次都是编译好了内核，然后烧到开发板上，可是最后的结果总是，卡在了启动Linux系统的路上，我快要崩溃了，每次编译多长时间大家应该都清楚吧，我已经编译了不下 7 次了。
我尝试了几次后认为可能是自己板子的硬件问题，于是我重新烧了出厂内核镜像，可是，这一次竟然可以完好无缺的进入内核系统了！！！问题就显然而出了我按照手册上一步一步走的，编译Linux2.6.30.4内核，我现在严重怀疑天嵌给的内核编译配置单有严重的问题！！！！！！！- Enter your selection: 8
- Start Linux ...
- Copy linux kernel from 0x00200000 to 0x30008000, size = 0x00200000 ... Copy Kernel to SDRAM done,NOW, Booting Linux......
- Uncompressing Linux........................................................................................................................ done, booting the kernel.
- Linux version 2.6.30.4-EmbedSky (root@localhost.localdomain) (gcc version 4.4.1 (Sourcery G++ Lite 2009q3-67) ) #3 Sun Oct 31 10:50:38 CST 2010
- CPU: ARM920T [41129200] revision 0 (ARMv4T), cr=c0007177
- CPU: VIVT data cache, VIVT instruction cache
- Machine: SMDK2440
- ATAG_INITRD is deprecated; please update your bootloader.
- Memory policy: ECC disabled, Data cache writeback
- CPU S3C2440A (id 0x32440001)
- S3C24XX Clocks, (c) 2004 Simtec Electronics
- S3C244X: core 400.000 MHz, memory 100.000 MHz, peripheral 50.000 MHz
- CLOCK: Slow mode (1.500 MHz), fast, MPLL on, UPLL on
- Built 1 zonelists in Zone order, mobility grouping on. Total pages: 16256
- Kernel command line: noinitrd root=/dev/mtdblock2 init=/linuxrc console=ttySAC0
- NR_IRQS:85
- 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)
- 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: 60884KB available (3360K code, 377K data, 116K init, 0K highmem)
- SLUB: Genslabs=11, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
- Calibrating delay loop... 199.47 BogoMIPS (lpj=498688)
- Mount-cache hash table entries: 512
- CPU: Testing write buffer coherency: ok
- net_namespace: 936 bytes
- NET: Registered protocol family 16
- S3C Power Management, Copyright 2004 Simtec Electronics
- S3C2440: Initialising architecture
- S3C2440: IRQ Support
- S3C24XX DMA Driver, (c) 2003-2004,2006 Simtec Electronics
- DMA channel 0 at c4808000, irq 33
- DMA channel 1 at c4808040, irq 34
- DMA channel 2 at c4808080, irq 35
- DMA channel 3 at c48080c0, irq 36
- S3C244X: Clock Support, DVS off
- bio: create slab <bio-0> at 0
- SCSI subsystem initialized
- usbcore: registered new interface driver usbfs
- usbcore: registered new interface driver hub
- usbcore: registered new device driver usb
- s3c2440-i2c s3c2440-i2c: slave address 0x10
- s3c2440-i2c s3c2440-i2c: bus frequency set to 97 KHz
- s3c2440-i2c s3c2440-i2c: i2c-0: S3C I2C adapter
- 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) 漏 2001-2006 Red Hat, Inc.
- ROMFS MTD (C) 2007 Red Hat, Inc.
- msgmni has been set to 119
- io scheduler noop registered
- io scheduler anticipatory registered (default)
- io scheduler deadline registered
- io scheduler cfq registered
- GPIO-Control initialized
- PWM-Test initialized
- adc initialized
- lp: driver loaded but no devices found
- ppdev: user-space parallel port driver
- Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
- s3c2440-uart.0: tq2440_serial0 at MMIO 0x50000000 (irq = 70) is a S3C2440
- s3c2440-uart.1: tq2440_serial1 at MMIO 0x50004000 (irq = 73) is a S3C2440
- s3c2440-uart.2: tq2440_serial2 at MMIO 0x50008000 (irq = 76) is a S3C2440
- brd: module loaded
- loop: module loaded
- Uniform Multi-Platform E-IDE driver
- ide-gd driver 1.18
- ide-cd driver 5.00
- Driver 'sd' needs updating - please use bus_type methods
- dm9000 Ethernet Driver, V1.31
- Now use the default MAC address: 10:23:45:67:89:ab
- eth0 (dm9000): not using net_device_ops yet
- eth0: dm9000e at c4872000,c4876004 IRQ 51 MAC: 10:23:45:67:89:ab (EmbedSky)
- S3C24XX NAND Driver, (c) 2004 Simtec Electronics
- s3c2440-nand s3c2440-nand: Tacls=3, 30ns Twrph0=7 70ns, Twrph1=3 30ns
- NAND device: Manufacturer ID: 0xec, Chip ID: 0xda (Samsung NAND 256MiB 3,3V 8-bit)
- Scanning device for bad blocks
- Bad eraseblock 660 at 0x000005280000
- Bad eraseblock 1258 at 0x000009d40000
- Creating 3 MTD partitions on "NAND 256MiB 3,3V 8-bit":
- 0x000000000000-0x000000040000 : "EmbedSky_Board_uboot"
- 0x0000001f0000-0x0000003f0000 : "EmbedSky_Board_kernel"
- mtd: partition "EmbedSky_Board_kernel" doesn't start on an erase block boundary -- force read-only
- 0x0000003f0000-0x000003ff8000 : "EmbedSky_Board_yaffs2"
- mtd: partition "EmbedSky_Board_yaffs2" doesn't start on an erase block boundary -- force read-only
- usbmon: debugfs is not available
- ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
- 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
- usbcore: registered new interface driver libusual
- usbcore: registered new interface driver usbserial
- USB Serial support registered for generic
- usbcore: registered new interface driver usbserial_generic
- usbserial: USB Serial Driver core
- 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
- 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
- s3c2410-rtc s3c2410-rtc: rtc disabled, re-enabling
- s3c2410-rtc s3c2410-rtc: rtc core: registered s3c as rtc0
- S3C2410 Watchdog Timer, (c) 2004 Simtec Electronics
- s3c2410-wdt s3c2410-wdt: starting watchdog timer
- s3c2410-wdt s3c2410-wdt: watchdog active, reset abled, irq enabled
- mapped channel 0 to 0
- s3c2440-sdi s3c2440-sdi: powered down.
- s3c2440-sdi s3c2440-sdi: initialisation done.
- Advanced Linux Sound Architecture Driver Version 1.0.18a.
- ALSA device list:
- No soundcards found.
- TCP cubic registered
- NET: Registered protocol family 17
- RPC: Registered udp transport module.
- RPC: Registered tcp transport module.
- s3c2440-sdi s3c2440-sdi: powered down.
- s3c2410-rtc s3c2410-rtc: setting system clock to 2008-11-09 07:21:02 UTC (1226215262)
- List of all partitions:
- 1f00 256 mtdblock0 (driver?)
- 1f01 2048 mtdblock1 (driver?)
- 1f02 61472 mtdblock2 (driver?)
- No filesystem could mount root, tried: ext3 ext2 cramfs vfat msdos iso9660 romfs
- Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(31,2)
- [<c002b644>] (unwind_backtrace+0x0/0xd4) from [<c02a0e90>] (panic+0x40/0x10c)
- [<c02a0e90>] (panic+0x40/0x10c) from [<c0008fa8>] (mount_block_root+0x1c8/0x208)
- [<c0008fa8>] (mount_block_root+0x1c8/0x208) from [<c0009240>] (prepare_namespace+0x164/0x1bc)
- [<c0009240>] (prepare_namespace+0x164/0x1bc) from [<c000858c>] (kernel_init+0xb0/0xdc)
- [<c000858c>] (kernel_init+0xb0/0xdc) from [<c0045c38>] (do_exit+0x0/0x580)
- [<c0045c38>] (do_exit+0x0/0x580) from [<c381a300>] (0xc381a300)
天嵌的管理员能给点儿解释吗？？？？？ |
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