内核编译去掉USB驱动出现启动不了的问题

gaocaimary

启动现象如下
[    1.601224] Read MAC addr from SPI Flash: ff:ff:ff:ff:ff:ff
/ c& `' z* m  u. ]7 _7 ?) g[    1.608128] spi_davinci spi_davinci.1: Controller at 0xfef0e000
[    1.665922] davinci_mdio davinci_mdio.0: davinci mdio revision 1.5
" E: x- N) J5 F* b5 J[    1.765823] davinci_mdio davinci_mdio.0: timed out waiting for user access
- {& n4 D- G7 p6 ^[    1.773673] davinci_mdio: probe of davinci_mdio.0 failed with error -5
[    1.782316] _regulator_get: spi1.1 supply vcc not found, using dummy regulator
- O- I8 R; N2 U/ r) t[    1.790613] ads7846 spi1.1: touchscreen, irq 145
[    1.796961] input: ADS7846 Touchscreen as /devices/platform/spi_davinci.1/spi_master/spi1/spi1.1/input/input0
[    1.811665] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
[    1.818481] omap_rtc: RTC power up reset detected
[    1.824103] i2c /dev entries driver
[    1.831084] lirc_dev: IR Remote Control driver registered, major 253
$ p) S0 V( o, L6 Z$ Y' ]# \[    1.837971] IR NEC protocol handler initialized
[    1.842583] IR RC5(x) protocol handler initialized
[    1.847554] IR RC6 protocol handler initialized
1 F7 k4 _" W+ V# O3 B2 D[    1.852136] IR JVC protocol handler initialized
; f* r  p0 U  I& D( @% a9 C[    1.856796] IR Sony protocol handler initialized
/ ]4 L; F' S3 c- f" F* `, H2 c9 @[    1.861480] IR RC5 (streamzap) protocol handler initialized
3 J, q. E$ C) G1 `[    1.867170] IR SANYO protocol handler initialized
1 m) Y8 u) M4 A[    1.871935] IR MCE Keyboard/mouse protocol handler initialized
: M/ q6 k  @8 l) ^$ N# B[    1.877882] IR LIRC bridge handler initialized
- G5 _# j0 @# z+ V8 {/ l[    1.882369] Linux video capture interface: v2.00
[    1.888722] watchdog watchdog: heartbeat 60 sec
[    1.895285] cpuidle: using governor ladder
[    1.900118] cpuidle: using governor menu
3 X% E, y1 ^" _. [; H: N  V[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
[    1.918396] TCP cubic registered
% C7 l7 a- U0 C9 z  U[    1.921694] NET: Registered protocol family 17
[    1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator
[    1.942633] console [netcon0] enabled
[    1.946844] netconsole: network logging started
[    1.951985] davinci_emac davinci_emac.1: using random MAC addr: 72:9d:29:ed:bd:8d
[    1.971301] omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)
[    1.981557] Root-NFS: no NFS server address
[    1.985997] VFS: Unable to mount root fs via NFS, trying floppy.
[    1.993259] VFS: Cannot open root device "mmcblk0p2" or unknown-block(2,0)
[    2.000512] Please append a correct "root=" boot option; here are the available partitions:
[    2.009218] 1f00             128 mtdblock0  (driver?)
[    2.014571] 1f01             512 mtdblock1  (driver?)
[    2.020016] 1f02             512 mtdblock2  (driver?)
4 w% ^% r  c. b( P[    2.025353] 1f03            4096 mtdblock3  (driver?)
[    2.030825] 1f04          519040 mtdblock4  (driver?)
, r2 s! T* T/ D: n# ?' G+ X[    2.036225] 1f05              64 mtdblock5  (driver?)
- B: R" q* g/ `! k9 [+ x[    2.041536] 1f06             512 mtdblock6  (driver?)
[    2.046904] 1f07              64 mtdblock7
$ O; J/ s; ?/ @/ h8 [' n, `4 s7 }[    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
[    2.059503]  (driver?)
) v8 h$ L7 h. e1 o% ?+ E9 L( k[    2.061933] 1f08            2560 mtdblock8  (driver?)
5 E3 k& f9 ]# w3 ^" Q[    2.067289] 1f09            4096 mtdblock9
[    2.071638] mmc0: new high speed SDHC card at address 1234
8 I; ], r2 j* @) Q[    2.077485]  (driver?)
. g7 d' R2 x3 F5 ~[    2.079916] 1f0a              64 mtdblock10  (driver?)
[    2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
3 f' E1 A& T( ]# L. Z$ |, `( P                                                                                                                                          
  i# T  w7 b$ S1 k! Y1 Q然后串口就没有反应了，紧急求助

2 I; ~! N0 Y$ _

teddy

    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
[    2.059503]  (driver?)
- T: h+ E; c: O) ~6 [您的问题，可能是sd的wp管脚被lock了，请检查一下sd卡，跟usb驱动应该无关的。