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
- ~8 V% _; N  ^  {; i$ G[    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
* h' v, L2 C) F- ~/ d$ X- g[    1.782316] _regulator_get: spi1.1 supply vcc not found, using dummy regulator
[    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
! T6 H, E: j9 h[    1.811665] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
[    1.818481] omap_rtc: RTC power up reset detected
7 h, G$ Z/ C6 R# |% }, G( t% z[    1.824103] i2c /dev entries driver
" l6 J$ S" L) q' i, ]" v: l[    1.831084] lirc_dev: IR Remote Control driver registered, major 253
[    1.837971] IR NEC protocol handler initialized
. q1 K9 g% m8 S[    1.842583] IR RC5(x) protocol handler initialized
[    1.847554] IR RC6 protocol handler initialized
1 W8 y3 G0 u: [- m8 R" x[    1.852136] IR JVC protocol handler initialized
[    1.856796] IR Sony protocol handler initialized
[    1.861480] IR RC5 (streamzap) protocol handler initialized
  D) \* s* w& _! R; i[    1.867170] IR SANYO protocol handler initialized
[    1.871935] IR MCE Keyboard/mouse protocol handler initialized
2 F. f; `2 n. `% ~& [[    1.877882] IR LIRC bridge handler initialized
; d* B# w; ^/ z! |3 O4 O) \[    1.882369] Linux video capture interface: v2.00
9 D9 [+ ?0 U+ ]2 ^4 {3 j7 }# b1 \[    1.888722] watchdog watchdog: heartbeat 60 sec
3 n' G8 m9 B( \) B( G+ `8 t[    1.895285] cpuidle: using governor ladder
- {! @; m, l* w- D[    1.900118] cpuidle: using governor menu
[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
5 c6 e- i3 R" i" N[    1.918396] TCP cubic registered
6 _- g; H$ y8 U  q6 Q[    1.921694] NET: Registered protocol family 17
[    1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator
4 o) ]) `8 m" a& T" ~: N3 B[    1.942633] console [netcon0] enabled
[    1.946844] netconsole: network logging started
& o( g3 E3 _  Z[    1.951985] davinci_emac davinci_emac.1: using random MAC addr: 72:9d:29:ed:bd:8d
9 }! H" H( S4 f9 H& y+ ?$ e+ a, z[    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
, {9 K6 ^( \* t1 G[    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:
% s) r9 M* R5 K* K[    2.009218] 1f00             128 mtdblock0  (driver?)
; f! l8 C6 T. \% A3 q) g# r! U3 C[    2.014571] 1f01             512 mtdblock1  (driver?)
7 |0 z+ B4 o+ t, {- `[    2.020016] 1f02             512 mtdblock2  (driver?)
/ l( B. V. h- J& S* C$ J  b[    2.025353] 1f03            4096 mtdblock3  (driver?)
[    2.030825] 1f04          519040 mtdblock4  (driver?)
[    2.036225] 1f05              64 mtdblock5  (driver?)
% j( C9 O* v6 {, O# N$ {[    2.041536] 1f06             512 mtdblock6  (driver?)
[    2.046904] 1f07              64 mtdblock7
[    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
% M7 I) ^- c' G% n% h; E[    2.059503]  (driver?)
[    2.061933] 1f08            2560 mtdblock8  (driver?)
$ F; f; T5 l7 N, |[    2.067289] 1f09            4096 mtdblock9
2 \; D5 w6 z/ x/ C[    2.071638] mmc0: new high speed SDHC card at address 1234
[    2.077485]  (driver?)
# G" L0 X. Z) H' l) N7 s2 w1 h[    2.079916] 1f0a              64 mtdblock10  (driver?)
1 s# E& ~8 Q. t( A$ ~2 e[    2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
                                                                                                                                          
) g, H6 S0 ]( @% v' [去掉I2C驱动后也会出现同样的问题，请各位高手指教