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 S7 k3 N5 z8 o[    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
/ A! H5 c. ~& `5 D1 }[    1.765823] davinci_mdio davinci_mdio.0: timed out waiting for user access
( G) w1 f6 _& ^) A% L7 u0 U; A1 S[    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
+ w* `& F, _( ]5 I5 @[    1.790613] ads7846 spi1.1: touchscreen, irq 145
6 s* I: c+ L/ ]: G- A[    1.796961] input: ADS7846 Touchscreen as /devices/platform/spi_davinci.1/spi_master/spi1/spi1.1/input/input0
* K, o9 {# l4 G0 ?1 x+ ~9 Z% I% d) z9 G[    1.811665] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
- Z/ s" }$ r: ^  U* Z1 Y# l[    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
[    1.852136] IR JVC protocol handler initialized
[    1.856796] IR Sony protocol handler initialized
* ^! @" M. @, K0 B9 I; x2 ]; a3 Y& C[    1.861480] IR RC5 (streamzap) protocol handler initialized
[    1.867170] IR SANYO protocol handler initialized
[    1.871935] IR MCE Keyboard/mouse protocol handler initialized
/ Q5 X0 V1 q. E2 |/ |[    1.877882] IR LIRC bridge handler initialized
[    1.882369] Linux video capture interface: v2.00
[    1.888722] watchdog watchdog: heartbeat 60 sec
4 G, I8 u# V) C- J[    1.895285] cpuidle: using governor ladder
* C- U. I+ c- d# D7 C7 _0 P[    1.900118] cpuidle: using governor menu
[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
* }. N2 ~+ `. r( a3 d( D7 z$ @[    1.918396] TCP cubic registered
3 A. A0 v1 F- @! a[    1.921694] NET: Registered protocol family 17
[    1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator
0 U; k2 z1 T( |[    1.942633] console [netcon0] enabled
5 |% |; n+ d! ?/ [. }% x; p6 D8 A[    1.946844] netconsole: network logging started
[    1.951985] davinci_emac davinci_emac.1: using random MAC addr: 72:9d:29:ed:bd:8d
$ D- f1 a& Q0 |/ P2 Z. M8 ~& p[    1.971301] omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)
* g% m+ o4 m& y[    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:
6 Z" N, U  y" K' ?0 y[    2.009218] 1f00             128 mtdblock0  (driver?)
[    2.014571] 1f01             512 mtdblock1  (driver?)
. c( O( P4 B! J[    2.020016] 1f02             512 mtdblock2  (driver?)
' @, A8 n. x7 u: z+ `[    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
& b3 N; g4 X5 g6 Y8 e[    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
[    2.059503]  (driver?)
% w2 N' w' T4 z2 j. @[    2.061933] 1f08            2560 mtdblock8  (driver?)
6 t5 l9 z8 J* K% v6 j' \[    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?)
[    2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
4 @3 O( B- W  L9 b* V, P. }                                                                                                                                          
; w1 D' G/ E1 b- u+ ^# d# b去掉I2C驱动后也会出现同样的问题，请各位高手指教