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
( o, U- l2 e' t0 t# O[    1.601224] Read MAC addr from SPI Flash: ff:ff:ff:ff:ff:ff
. `8 [: S3 a. Y- k[    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
6 I  p) L. T, E( R% ][    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
% A( |8 a' I% q6 @9 Q' @* l[    1.790613] ads7846 spi1.1: touchscreen, irq 145
1 c+ |4 @; o$ o, s9 }[    1.796961] input: ADS7846 Touchscreen as /devices/platform/spi_davinci.1/spi_master/spi1/spi1.1/input/input0
[    1.811665] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
; S7 n5 d+ @( m0 Q* J; d: y[    1.818481] omap_rtc: RTC power up reset detected
[    1.824103] i2c /dev entries driver
[    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
% K# O! s4 K/ W[    1.852136] IR JVC protocol handler initialized
; w" R2 U7 r. V[    1.856796] IR Sony protocol handler initialized
# K) G5 u  z" N# {2 h[    1.861480] IR RC5 (streamzap) protocol handler initialized
2 z: p6 T8 J5 n; _/ a7 s[    1.867170] IR SANYO protocol handler initialized
0 V( Y$ B8 h, f- k[    1.871935] IR MCE Keyboard/mouse protocol handler initialized
[    1.877882] IR LIRC bridge handler initialized
[    1.882369] Linux video capture interface: v2.00
$ T) ^! D( y3 B& n$ B0 W[    1.888722] watchdog watchdog: heartbeat 60 sec
[    1.895285] cpuidle: using governor ladder
; e. t% L# Z! q* R$ o& K! H2 m7 T[    1.900118] cpuidle: using governor menu
[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
[    1.918396] TCP cubic registered
[    1.921694] NET: Registered protocol family 17
2 r1 @" {. m" \7 g[    1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator
[    1.942633] console [netcon0] enabled
' O! b" m) j9 t/ I[    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)
, _3 l! ~' p- s: B1 X[    1.981557] Root-NFS: no NFS server address
[    1.985997] VFS: Unable to mount root fs via NFS, trying floppy.
! W4 f3 ]& y. Y- }6 T/ P[    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:
) B- G+ O+ T. ][    2.009218] 1f00             128 mtdblock0  (driver?)
[    2.014571] 1f01             512 mtdblock1  (driver?)
[    2.020016] 1f02             512 mtdblock2  (driver?)
[    2.025353] 1f03            4096 mtdblock3  (driver?)
[    2.030825] 1f04          519040 mtdblock4  (driver?)
, Z9 r9 X, E( L[    2.036225] 1f05              64 mtdblock5  (driver?)
[    2.041536] 1f06             512 mtdblock6  (driver?)
[    2.046904] 1f07              64 mtdblock7
" l- Z2 i$ L3 e1 m( s. C, V[    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
8 R7 u, Z' E  V[    2.059503]  (driver?)
[    2.061933] 1f08            2560 mtdblock8  (driver?)
1 a* }  C5 D, @5 ^  b1 {[    2.067289] 1f09            4096 mtdblock9
[    2.071638] mmc0: new high speed SDHC card at address 1234
[    2.077485]  (driver?)
[    2.079916] 1f0a              64 mtdblock10  (driver?)
9 y: E8 ?6 h( X/ u[    2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
# ]0 W& h0 x7 [                                                                                                                                          
+ m9 b0 K; S! m, ]: F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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