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
! u( H) u7 ~, i/ E[    1.601224] Read MAC addr from SPI Flash: ff:ff:ff:ff:ff:ff
[    1.608128] spi_davinci spi_davinci.1: Controller at 0xfef0e000
& s" D* ^7 E& j, }4 r) `0 v[    1.665922] davinci_mdio davinci_mdio.0: davinci mdio revision 1.5
' E# `, l+ ?: B, `( J[    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
* T3 k& e% I1 g[    1.782316] _regulator_get: spi1.1 supply vcc not found, using dummy regulator
[    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
" a2 y/ a7 H* D2 d[    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
7 F  i$ ^3 R0 u( L5 Z[    1.837971] IR NEC protocol handler initialized
[    1.842583] IR RC5(x) protocol handler initialized
9 @7 A/ V) @% Z8 M; c8 [0 m4 J[    1.847554] IR RC6 protocol handler initialized
* N5 B4 j" Y) [; n. [& X, m[    1.852136] IR JVC protocol handler initialized
! W5 h5 ]' Z3 b  z! k[    1.856796] IR Sony protocol handler initialized
[    1.861480] IR RC5 (streamzap) protocol handler initialized
[    1.867170] IR SANYO protocol handler initialized
[    1.871935] IR MCE Keyboard/mouse protocol handler initialized
5 C4 n- R& c3 @: {5 K[    1.877882] IR LIRC bridge handler initialized
# x" R! A" _2 P* A, i[    1.882369] Linux video capture interface: v2.00
+ o- o: I% B+ Z- }2 N/ S[    1.888722] watchdog watchdog: heartbeat 60 sec
+ O% a/ y: h& N( Z+ {* E[    1.895285] cpuidle: using governor ladder
8 u, `3 c6 ~2 Z$ o$ s0 w, m[    1.900118] cpuidle: using governor menu
5 G1 l" r: q1 \8 r* n[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
[    1.918396] TCP cubic registered
. J" G. E6 @, _* G9 f4 A[    1.921694] NET: Registered protocol family 17
[    1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator
, u7 Y6 u- y7 ?[    1.942633] console [netcon0] enabled
[    1.946844] netconsole: network logging started
/ w# }2 X2 H9 E+ r# a3 J[    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.
[    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?)
* v3 i3 F  C" |% ]( f  e% Y[    2.020016] 1f02             512 mtdblock2  (driver?)
, ^) z- W- o9 G" b5 I[    2.025353] 1f03            4096 mtdblock3  (driver?)
' J  D" m- j: y5 P  p: U0 G- n[    2.030825] 1f04          519040 mtdblock4  (driver?)
3 {/ y% |1 x. W$ Y8 [; c+ s[    2.036225] 1f05              64 mtdblock5  (driver?)
[    2.041536] 1f06             512 mtdblock6  (driver?)
& r" ?& b, ~% a( P, r[    2.046904] 1f07              64 mtdblock7
[    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
" E! M( Z0 g$ `9 O, }6 C, o[    2.059503]  (driver?)
[    2.061933] 1f08            2560 mtdblock8  (driver?)
[    2.067289] 1f09            4096 mtdblock9
[    2.071638] mmc0: new high speed SDHC card at address 1234
8 f" n/ p! ?( j# `( [' L8 }' `" x[    2.077485]  (driver?)
[    2.079916] 1f0a              64 mtdblock10  (driver?)
$ B  w4 ?9 E% E) D. v" [[    2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
, U% h/ `' N0 w  _1 T                                                                                                                                          
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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