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
# |3 G4 X8 m& W9 e[    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
; l9 Y  J. |/ m/ Q  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
/ x5 Z$ F; ^& r3 D  ~[    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
/ x% Q# B3 m6 `4 K% y, A, t0 k7 U[    1.811665] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
[    1.818481] omap_rtc: RTC power up reset detected
3 h4 t, J6 Z' b0 K' D2 ]+ {* [% u[    1.824103] i2c /dev entries driver
- I' z: D$ P, [3 y: _6 f. r$ w5 t[    1.831084] lirc_dev: IR Remote Control driver registered, major 253
[    1.837971] IR NEC protocol handler initialized
[    1.842583] IR RC5(x) protocol handler initialized
/ n+ N# G. S0 t9 U0 h8 A% y[    1.847554] IR RC6 protocol handler initialized
[    1.852136] IR JVC protocol handler initialized
[    1.856796] IR Sony protocol handler initialized
4 Z" F4 P' y3 H: n& \  x[    1.861480] IR RC5 (streamzap) protocol handler initialized
' I. `. L) `. q) w* E7 e4 u[    1.867170] IR SANYO protocol handler initialized
! a7 t+ S8 j9 V/ Y' j- ~[    1.871935] IR MCE Keyboard/mouse protocol handler initialized
: j: }- z; s, r5 g1 y3 U[    1.877882] IR LIRC bridge handler initialized
[    1.882369] Linux video capture interface: v2.00
[    1.888722] watchdog watchdog: heartbeat 60 sec
[    1.895285] cpuidle: using governor ladder
9 i3 z( z6 s( w2 M6 A0 b. O[    1.900118] cpuidle: using governor menu
& }% J+ z8 C9 g0 E- U4 M[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
. Y8 y0 b% j& |( d, g) z[    1.918396] TCP cubic registered
- e6 q" K! U/ l: |) n[    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
2 P' H* J6 w1 ^1 d[    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
* w- O7 F& z1 O3 |) I[    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?)
# M8 S2 @/ Z- z( F, ^* _0 u: p[    2.025353] 1f03            4096 mtdblock3  (driver?)
[    2.030825] 1f04          519040 mtdblock4  (driver?)
; ]/ `8 `) P, q3 v: n[    2.036225] 1f05              64 mtdblock5  (driver?)
* }- L& N. `& V* i1 s, i[    2.041536] 1f06             512 mtdblock6  (driver?)
* b# ]9 C1 s5 T+ |0 g, \4 v[    2.046904] 1f07              64 mtdblock7
[    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
[    2.059503]  (driver?)
6 J1 E! z1 k2 ]! W; V[    2.061933] 1f08            2560 mtdblock8  (driver?)
, q$ c% @5 S; }& ~[    2.067289] 1f09            4096 mtdblock9
[    2.071638] mmc0: new high speed SDHC card at address 1234
[    2.077485]  (driver?)
& n! W. G: [2 T; r+ x[    2.079916] 1f0a              64 mtdblock10  (driver?)
[    2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
; w3 ~  r9 J; X                                                                                                                                          
去掉I2C驱动后也会出现同样的问题，请各位高手指教