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
[    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
[    1.782316] _regulator_get: spi1.1 supply vcc not found, using dummy regulator
; R" a: ?, e  |% i' @% _[    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
( G: o' Y( g5 g- S+ y) Q; l[    1.811665] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
[    1.818481] omap_rtc: RTC power up reset detected
  j  P" p, U6 x5 e' O) ~[    1.824103] i2c /dev entries driver
1 R* _7 ?( n/ {: |+ P: @[    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
[    1.847554] IR RC6 protocol handler initialized
) t: W1 M5 A) M3 w6 u[    1.852136] IR JVC protocol handler initialized
5 d% c7 I/ y9 k) K7 B* p[    1.856796] IR Sony protocol handler initialized
[    1.861480] IR RC5 (streamzap) protocol handler initialized
[    1.867170] IR SANYO protocol handler initialized
9 c" {+ z* i0 u9 z0 A$ }" {[    1.871935] IR MCE Keyboard/mouse protocol handler initialized
1 L5 s% y$ v0 w$ S# J5 q[    1.877882] IR LIRC bridge handler initialized
# k& f% Y; a$ a5 q4 [3 `( n7 M[    1.882369] Linux video capture interface: v2.00
[    1.888722] watchdog watchdog: heartbeat 60 sec
* t5 s3 Z% _- I& |[    1.895285] cpuidle: using governor ladder
! \/ `" N% O# e% G2 t& M8 U/ ?0 S[    1.900118] cpuidle: using governor menu
8 c) p6 V% z) u! l[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
[    1.918396] TCP cubic registered
[    1.921694] NET: Registered protocol family 17
[    1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator
3 x/ P* ~4 l) U* I& h( d/ s[    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)
. i; l+ t$ h, d6 G& x" _[    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?)
7 h1 }6 ~! a7 t* ~; U( b$ A[    2.014571] 1f01             512 mtdblock1  (driver?)
/ d: t* P% u* o7 Y% C# |2 c' N[    2.020016] 1f02             512 mtdblock2  (driver?)
[    2.025353] 1f03            4096 mtdblock3  (driver?)
# f5 a4 Y6 E$ z* s[    2.030825] 1f04          519040 mtdblock4  (driver?)
[    2.036225] 1f05              64 mtdblock5  (driver?)
; y( A1 b8 h! f8 I( l( T4 `) D[    2.041536] 1f06             512 mtdblock6  (driver?)
+ b. w6 V# u8 \$ `5 k( t[    2.046904] 1f07              64 mtdblock7
[    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
4 Z* ]# g1 r* w[    2.059503]  (driver?)
[    2.061933] 1f08            2560 mtdblock8  (driver?)
% ~$ n' q! u' |[    2.067289] 1f09            4096 mtdblock9
[    2.071638] mmc0: new high speed SDHC card at address 1234
! ~6 ], \6 O% [" }+ j[    2.077485]  (driver?)
; w( o( l/ S7 r4 w" |* `6 W[    2.079916] 1f0a              64 mtdblock10  (driver?)
[    2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
                                                                                                                                          
/ k% R/ F& Y" [去掉I2C驱动后也会出现同样的问题，请各位高手指教
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