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 A% W# |# q  I) s9 M( O[    1.608128] spi_davinci spi_davinci.1: Controller at 0xfef0e000
$ p2 t) u- h) M- g4 w[    1.665922] davinci_mdio davinci_mdio.0: davinci mdio revision 1.5
" U' l" X- D# j# j0 ], n0 N& M0 a[    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
: n/ h5 q: y! ?4 y1 v' t[    1.790613] ads7846 spi1.1: touchscreen, irq 145
: M$ L" o! o! X) h4 E( l[    1.796961] input: ADS7846 Touchscreen as /devices/platform/spi_davinci.1/spi_master/spi1/spi1.1/input/input0
. z7 B6 }+ l+ y# }9 k' b[    1.811665] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
  p" e6 F" |2 C4 y[    1.818481] omap_rtc: RTC power up reset detected
# ]; u) r& ^3 g- T7 a& `  q: m[    1.824103] i2c /dev entries driver
[    1.831084] lirc_dev: IR Remote Control driver registered, major 253
[    1.837971] IR NEC protocol handler initialized
% S! J+ P9 z' M" h! O. c5 k[    1.842583] IR RC5(x) protocol handler initialized
[    1.847554] IR RC6 protocol handler initialized
, [( o* m* [% i" d0 v. C, d$ E( H& V[    1.852136] IR JVC protocol handler initialized
. Q% |/ \% b4 ?1 C0 r[    1.856796] IR Sony protocol handler initialized
[    1.861480] IR RC5 (streamzap) protocol handler initialized
; ^- T( U: U7 v  ?[    1.867170] IR SANYO protocol handler initialized
[    1.871935] IR MCE Keyboard/mouse protocol handler initialized
[    1.877882] IR LIRC bridge handler initialized
& U6 }- q0 x4 p; E[    1.882369] Linux video capture interface: v2.00
[    1.888722] watchdog watchdog: heartbeat 60 sec
' h: ~$ K; {* G9 P& R8 r[    1.895285] cpuidle: using governor ladder
8 {/ w, r1 @/ C  |' u[    1.900118] cpuidle: using governor menu
[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
9 G: z! ~2 I+ a- X2 Q[    1.918396] TCP cubic registered
" H: \( ~: J- r% W5 _[    1.921694] NET: Registered protocol family 17
: t  S% P% P+ T. ?# l+ P4 D[    1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator
+ Z/ [1 y& c3 R  J$ F2 l& b[    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
( R; W& Z$ o/ ?0 h[    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
[    1.985997] VFS: Unable to mount root fs via NFS, trying floppy.
- I+ v! ^* U) s5 P7 F7 H[    1.993259] VFS: Cannot open root device "mmcblk0p2" or unknown-block(2,0)
' u9 F+ `% h7 k( {[    2.000512] Please append a correct "root=" boot option; here are the available partitions:
* Q: [! `8 i1 D: ~- L[    2.009218] 1f00             128 mtdblock0  (driver?)
! K% u( f! S0 F, n3 T2 t5 e" }[    2.014571] 1f01             512 mtdblock1  (driver?)
! m; y' I/ u* |$ u[    2.020016] 1f02             512 mtdblock2  (driver?)
" K, Z- @5 f& z$ I) g6 M/ M[    2.025353] 1f03            4096 mtdblock3  (driver?)
[    2.030825] 1f04          519040 mtdblock4  (driver?)
; N! w! \% q' M: D$ B[    2.036225] 1f05              64 mtdblock5  (driver?)
[    2.041536] 1f06             512 mtdblock6  (driver?)
6 j4 ]! k& w, I9 C[    2.046904] 1f07              64 mtdblock7
[    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
[    2.059503]  (driver?)
' W' @1 B" ^; r6 q5 ]) R[    2.061933] 1f08            2560 mtdblock8  (driver?)
) O, e# o1 |# V6 \[    2.067289] 1f09            4096 mtdblock9
7 Q, ~9 L  Y7 O* h. @5 L3 e[    2.071638] mmc0: new high speed SDHC card at address 1234
: Q" D3 F4 k  C  J$ e( q$ u0 S[    2.077485]  (driver?)
[    2.079916] 1f0a              64 mtdblock10  (driver?)
[    2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
! [1 Y3 ]3 d+ P                                                                                                                                          
8 u5 s" b; X! j$ q4 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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