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
- }, j' }$ T& ]& x& g[    1.608128] spi_davinci spi_davinci.1: Controller at 0xfef0e000
- E1 f9 Y& |6 l[    1.665922] davinci_mdio davinci_mdio.0: davinci mdio revision 1.5
: B% N8 p1 l( f4 @! Z: Z6 r[    1.765823] davinci_mdio davinci_mdio.0: timed out waiting for user access
8 f3 M  E7 I3 h0 O0 l9 P[    1.773673] davinci_mdio: probe of davinci_mdio.0 failed with error -5
8 z2 u6 L  p  U  J- a+ W[    1.782316] _regulator_get: spi1.1 supply vcc not found, using dummy regulator
2 \; k- R4 n8 M( ^. r[    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
9 X3 J$ h4 O+ t1 U( V3 z[    1.811665] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
[    1.818481] omap_rtc: RTC power up reset detected
[    1.824103] i2c /dev entries driver
8 R, Y! q/ j% ~: ]$ J- C[    1.831084] lirc_dev: IR Remote Control driver registered, major 253
4 _; [  k  _6 H9 q' Y[    1.837971] IR NEC protocol handler initialized
/ P: F3 A- n9 I) c( A* G7 ?[    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
2 h7 `8 Q8 V9 g$ y1 p  K; G* ~- f[    1.861480] IR RC5 (streamzap) protocol handler initialized
[    1.867170] IR SANYO protocol handler initialized
; ]  I( ?- Q9 ^& W[    1.871935] IR MCE Keyboard/mouse protocol handler initialized
[    1.877882] IR LIRC bridge handler initialized
. V  o3 }3 p2 N' d. K1 g. u! e[    1.882369] Linux video capture interface: v2.00
[    1.888722] watchdog watchdog: heartbeat 60 sec
[    1.895285] cpuidle: using governor ladder
% R+ w7 M/ n: e4 q[    1.900118] cpuidle: using governor menu
, r/ {5 Z* X' Z+ ~7 S( ^[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
5 f/ b+ d4 q' p; a* P[    1.918396] TCP cubic registered
[    1.921694] NET: Registered protocol family 17
[    1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator
0 n2 ~, N1 e) ]  Q; j% H: b+ Q" J[    1.942633] console [netcon0] enabled
[    1.946844] netconsole: network logging started
  k0 l/ `* B7 m: r; P8 _) ]! d) i4 h% `& U[    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)
; T5 [* q# K; u: p6 o+ x$ S& B[    1.981557] Root-NFS: no NFS server address
9 U/ J- O. [! s7 g' y4 p2 J[    1.985997] VFS: Unable to mount root fs via NFS, trying floppy.
2 }8 g- K2 f, l/ [# @( c[    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?)
! j$ V- }9 a. ~' b/ R$ W: q[    2.025353] 1f03            4096 mtdblock3  (driver?)
[    2.030825] 1f04          519040 mtdblock4  (driver?)
[    2.036225] 1f05              64 mtdblock5  (driver?)
[    2.041536] 1f06             512 mtdblock6  (driver?)
[    2.046904] 1f07              64 mtdblock7
' e" b) z& ?5 z0 o: p[    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
[    2.059503]  (driver?)
[    2.061933] 1f08            2560 mtdblock8  (driver?)
- D7 v, ^$ Q+ A[    2.067289] 1f09            4096 mtdblock9
[    2.071638] mmc0: new high speed SDHC card at address 1234
9 w, t9 S) I# W[    2.077485]  (driver?)
[    2.079916] 1f0a              64 mtdblock10  (driver?)
; M. E0 u% V, _[    2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
                                                                                                                                          
$ q2 G( }& v4 J9 p( j5 N- N: F* R  E去掉I2C驱动后也会出现同样的问题，请各位高手指教
6 \0 Y2 ]6 n" I, w8 k& X: y5 a