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
: ]5 U: O9 \# E' T( n) Y[    1.601224] Read MAC addr from SPI Flash: ff:ff:ff:ff:ff:ff
[    1.608128] spi_davinci spi_davinci.1: Controller at 0xfef0e000
8 j' [& K( ?( Z+ e[    1.665922] davinci_mdio davinci_mdio.0: davinci mdio revision 1.5
5 F6 x( U0 B0 c; C8 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
( H1 e% e' L& [7 F, r9 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
[    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
[    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
8 Z7 L9 X, v9 }0 x8 G[    1.847554] IR RC6 protocol handler initialized
6 Y$ U$ c! }" v9 c9 A; i! A: i[    1.852136] IR JVC protocol handler initialized
" `( ]8 _0 y) i' X1 O- ?[    1.856796] IR Sony protocol handler initialized
[    1.861480] IR RC5 (streamzap) protocol handler initialized
6 @- h: M& ], g$ A9 ~. I[    1.867170] IR SANYO protocol handler initialized
8 O* W3 r/ l% ]" E* c[    1.871935] IR MCE Keyboard/mouse protocol handler initialized
[    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
[    1.900118] cpuidle: using governor menu
4 ~% ~9 G& g3 ]8 X$ E4 D0 Z2 I[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
! Z2 j; L0 B* A5 Y[    1.918396] TCP cubic registered
$ p: C' ?- E4 \* n6 l9 `, `; A& j[    1.921694] NET: Registered protocol family 17
[    1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator
6 o- I' ], ?0 p; F[    1.942633] console [netcon0] enabled
[    1.946844] netconsole: network logging started
. c3 i, l" _: U& V* R[    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
[    1.985997] VFS: Unable to mount root fs via NFS, trying floppy.
3 d% C+ [/ t5 o0 C) \9 N6 m[    1.993259] VFS: Cannot open root device "mmcblk0p2" or unknown-block(2,0)
' g, r2 S* i, @4 h[    2.000512] Please append a correct "root=" boot option; here are the available partitions:
[    2.009218] 1f00             128 mtdblock0  (driver?)
7 a. k9 \# n0 j) }' \[    2.014571] 1f01             512 mtdblock1  (driver?)
[    2.020016] 1f02             512 mtdblock2  (driver?)
" p/ U; L) o6 s' X6 \[    2.025353] 1f03            4096 mtdblock3  (driver?)
[    2.030825] 1f04          519040 mtdblock4  (driver?)
# I0 }2 O$ @6 T9 G& [5 {; ~[    2.036225] 1f05              64 mtdblock5  (driver?)
[    2.041536] 1f06             512 mtdblock6  (driver?)
[    2.046904] 1f07              64 mtdblock7
1 U/ v8 q" T7 E1 B. T' @) B[    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
0 o6 f4 Q; g4 h( P1 P6 H[    2.059503]  (driver?)
3 a# J  ^: T5 J7 i/ L6 x* [* B[    2.061933] 1f08            2560 mtdblock8  (driver?)
[    2.067289] 1f09            4096 mtdblock9
# |9 r# o4 B) l/ N6 ~/ r9 `[    2.071638] mmc0: new high speed SDHC card at address 1234
[    2.077485]  (driver?)
[    2.079916] 1f0a              64 mtdblock10  (driver?)
  q0 \' ~' ^' Y3 p3 [- p[    2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
                                                                                                                                          
去掉I2C驱动后也会出现同样的问题，请各位高手指教