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
[    1.608128] spi_davinci spi_davinci.1: Controller at 0xfef0e000
[    1.665922] davinci_mdio davinci_mdio.0: davinci mdio revision 1.5
( x4 z$ u8 P% e6 o& k[    1.765823] davinci_mdio davinci_mdio.0: timed out waiting for user access
[    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
+ X2 g/ A( L+ w( m. @* l: D1 E[    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
( j9 U% t# y' A[    1.818481] omap_rtc: RTC power up reset detected
5 H( e& U. n5 H[    1.824103] i2c /dev entries driver
9 [: i# ^9 R* }1 ^7 N- V6 \0 [[    1.831084] lirc_dev: IR Remote Control driver registered, major 253
' ~! {6 C; I' y$ T* C( n[    1.837971] IR NEC protocol handler initialized
( j8 w3 a" _/ e/ O9 M+ S[    1.842583] IR RC5(x) protocol handler initialized
4 K7 E* \5 q: U( ~( U/ _8 v; }[    1.847554] IR RC6 protocol handler initialized
) s! w1 f! @) {2 o8 P2 l[    1.852136] IR JVC protocol handler initialized
[    1.856796] IR Sony protocol handler initialized
[    1.861480] IR RC5 (streamzap) protocol handler initialized
[    1.867170] IR SANYO protocol handler initialized
[    1.871935] IR MCE Keyboard/mouse protocol handler initialized
# ?$ J1 i$ F  V9 B$ T6 Q3 [[    1.877882] IR LIRC bridge handler initialized
+ W& T- v9 R  F) S9 k! l1 T[    1.882369] Linux video capture interface: v2.00
' @" A7 n+ X) f) K( T) E[    1.888722] watchdog watchdog: heartbeat 60 sec
[    1.895285] cpuidle: using governor ladder
: ]* G+ E) P+ |+ Z[    1.900118] cpuidle: using governor menu
1 g' Y9 Y0 o( z' r7 e[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
[    1.918396] TCP cubic registered
2 A  U. L5 G2 k; e7 n% H[    1.921694] NET: Registered protocol family 17
( E! L+ T) _4 q[    1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator
; E. W* T) R9 l" n) m[    1.942633] console [netcon0] enabled
4 e  T. n( c! w4 q* O; u0 T[    1.946844] netconsole: network logging started
% w3 e# A' F# U; A6 C[    1.951985] davinci_emac davinci_emac.1: using random MAC addr: 72:9d:29:ed:bd:8d
3 e% y$ ]( Y, {: u$ `7 F[    1.971301] omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)
  N7 u( Z- k/ G* y) K[    1.981557] Root-NFS: no NFS server address
  {) R1 b; L, K" q' G[    1.985997] VFS: Unable to mount root fs via NFS, trying floppy.
( e6 b& H, }7 Z: |7 T[    1.993259] VFS: Cannot open root device "mmcblk0p2" or unknown-block(2,0)
2 E# v6 b: O. V- J# `- q# g  s" @3 b[    2.000512] Please append a correct "root=" boot option; here are the available partitions:
[    2.009218] 1f00             128 mtdblock0  (driver?)
+ C2 Z" n8 d& o* O( Z4 e[    2.014571] 1f01             512 mtdblock1  (driver?)
[    2.020016] 1f02             512 mtdblock2  (driver?)
[    2.025353] 1f03            4096 mtdblock3  (driver?)
) r* ^& G' `) o[    2.030825] 1f04          519040 mtdblock4  (driver?)
1 f/ s- w6 N, I- p& m# R" ^' r1 P0 T[    2.036225] 1f05              64 mtdblock5  (driver?)
[    2.041536] 1f06             512 mtdblock6  (driver?)
; U4 {$ o, A3 v: W& M. H: U, M[    2.046904] 1f07              64 mtdblock7
[    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
[    2.059503]  (driver?)
[    2.061933] 1f08            2560 mtdblock8  (driver?)
3 Q( t5 q8 V- y[    2.067289] 1f09            4096 mtdblock9
[    2.071638] mmc0: new high speed SDHC card at address 1234
/ ?, e5 P9 c4 x& ~( L4 B[    2.077485]  (driver?)
[    2.079916] 1f0a              64 mtdblock10  (driver?)
! R8 v# N. [6 Z; e9 ]# u" R: \[    2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
                                                                                                                                          
然后串口就没有反应了，紧急求助
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teddy

    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
/ J0 j% @2 A. F. ^( q' U- R[    2.059503]  (driver?)
5 t! R3 d6 Z; d7 t  x' |4 Y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。
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