内核编译去掉USB驱动出现启动不了的问题

gaocaimary

我在创龙提供的Linux3.3的内核上，在Device driver选项中去掉USB驱动，结果在启动的过程中出现了
[    1.601224] Read MAC addr from SPI Flash: ff:ff:ff:ff:ff:ff
[    1.608128] spi_davinci spi_davinci.1: Controller at 0xfef0e000
) R; T4 }( ~% b2 b# H1 g/ x" `[    1.665922] davinci_mdio davinci_mdio.0: davinci mdio revision 1.5
[    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 i$ e; N3 Q# K6 s* s* Y7 Z+ v[    1.782316] _regulator_get: spi1.1 supply vcc not found, using dummy regulator
[    1.790613] ads7846 spi1.1: touchscreen, irq 145
! |3 u2 s+ W# z4 ?7 H& L9 _[    1.796961] input: ADS7846 Touchscreen as /devices/platform/spi_davinci.1/spi_master/spi1/spi1.1/input/input0
0 ~5 t7 }' o/ X7 ][    1.811665] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
1 @8 w; Q; k8 ?- A6 j[    1.818481] omap_rtc: RTC power up reset detected
" K1 M! o' }0 T3 T5 k& ][    1.824103] i2c /dev entries driver
5 K- v5 {' E% U  o( u, \[    1.831084] lirc_dev: IR Remote Control driver registered, major 253
5 u8 k* D7 M# E[    1.837971] IR NEC protocol handler initialized
: p9 L' V4 J% g4 ]5 l; C[    1.842583] IR RC5(x) protocol handler initialized
[    1.847554] IR RC6 protocol handler initialized
[    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
* D7 j0 Z, D& H( ~[    1.877882] IR LIRC bridge handler initialized
( m* D3 k  e! `! P) ?[    1.882369] Linux video capture interface: v2.00
/ _% f7 i  N; \  E+ A# Y[    1.888722] watchdog watchdog: heartbeat 60 sec
1 G9 I6 `7 ?* o* r6 ]; H+ b[    1.895285] cpuidle: using governor ladder
/ |8 j1 z7 J1 Q! U7 ][    1.900118] cpuidle: using governor menu
[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
% Y8 @' o# y% M[    1.918396] TCP cubic registered
. a7 W( Y1 x- N" ?. @[    1.921694] NET: Registered protocol family 17
[    1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator
7 q# B: H/ x: \8 d& b  C[    1.942633] console [netcon0] enabled
[    1.946844] netconsole: network logging started
' u# s- J4 }' M5 E% p: ?- W3 y8 V[    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 y- K% X7 u8 d% g1 h[    1.985997] VFS: Unable to mount root fs via NFS, trying floppy.
1 f+ a3 {% N& b4 k9 [. ^[    1.993259] VFS: Cannot open root device "mmcblk0p2" or unknown-block(2,0)
6 v- o7 ~3 q  ~+ t* Y2 B: u. T0 @[    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?)
0 ~& ^1 z2 p: j) c  y* c$ }[    2.020016] 1f02             512 mtdblock2  (driver?)
[    2.025353] 1f03            4096 mtdblock3  (driver?)
[    2.030825] 1f04          519040 mtdblock4  (driver?)
[    2.036225] 1f05              64 mtdblock5  (driver?)
- D1 v7 R6 g+ ~: F) u0 T[    2.041536] 1f06             512 mtdblock6  (driver?)
[    2.046904] 1f07              64 mtdblock7
9 A, Z* N3 @1 R6 @) g[    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
' R; X/ e2 L5 @& _/ P1 `. d[    2.059503]  (driver?)
/ {$ G8 J6 c( x4 C4 H2 g[    2.061933] 1f08            2560 mtdblock8  (driver?)
8 T) A6 t9 J' p* M0 }8 o[    2.067289] 1f09            4096 mtdblock9
[    2.071638] mmc0: new high speed SDHC card at address 1234
[    2.077485]  (driver?)
! U# E, h5 J# \5 V6 J[    2.079916] 1f0a              64 mtdblock10  (driver?)
! e3 O. i$ S2 n5 p, I! _& h6 ]3 d[    2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
                                                                                                                                          
) T) O# K5 G' a9 t, G去掉I2C驱动后也会出现同样的问题，请各位高手指教
! |+ C' _4 \& W0 ?4 L
* o! J4 O2 g  f% `4 i8 t# z