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
; J* \) N1 _# ^! n[    1.601224] Read MAC addr from SPI Flash: ff:ff:ff:ff:ff:ff
[    1.608128] spi_davinci spi_davinci.1: Controller at 0xfef0e000
2 T: l7 T. ]. j8 P7 [[    1.665922] davinci_mdio davinci_mdio.0: davinci mdio revision 1.5
/ g& M7 u- [& ]* Y  Q[    1.765823] davinci_mdio davinci_mdio.0: timed out waiting for user access
# W5 N9 U, f" [% t& t+ g1 r3 [4 c[    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
[    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
9 d$ y/ m9 _4 b9 L8 z1 t[    1.818481] omap_rtc: RTC power up reset detected
+ `  p8 Z4 B* Y+ n: \) `4 X6 ][    1.824103] i2c /dev entries driver
[    1.831084] lirc_dev: IR Remote Control driver registered, major 253
5 B( b0 c. [. J+ B( C0 B[    1.837971] IR NEC protocol handler initialized
[    1.842583] IR RC5(x) protocol handler initialized
$ k- ~; s* R7 F6 f[    1.847554] IR RC6 protocol handler initialized
+ {- p& L2 R9 e- S( a[    1.852136] IR JVC protocol handler initialized
[    1.856796] IR Sony protocol handler initialized
2 [$ L2 f4 r; G/ i& A[    1.861480] IR RC5 (streamzap) protocol handler initialized
[    1.867170] IR SANYO protocol handler initialized
[    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
4 D3 c2 ?' O4 H/ ~[    1.900118] cpuidle: using governor menu
[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
0 P& E6 r8 L* g, p. t[    1.918396] TCP cubic registered
9 C1 d6 ]1 A4 l$ R) {[    1.921694] NET: Registered protocol family 17
[    1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator
[    1.942633] console [netcon0] enabled
3 u2 }8 q7 ?9 f3 H6 V  \6 S[    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)
[    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)
  l8 T$ M0 C" b% Q! n[    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?)
[    2.020016] 1f02             512 mtdblock2  (driver?)
[    2.025353] 1f03            4096 mtdblock3  (driver?)
3 A9 M9 @- k( D( n- J& T5 {[    2.030825] 1f04          519040 mtdblock4  (driver?)
" H$ |" ^, t& H$ t; |/ i  Q4 C- q[    2.036225] 1f05              64 mtdblock5  (driver?)
5 N  d: h% ~4 s' c0 j7 z/ H[    2.041536] 1f06             512 mtdblock6  (driver?)
9 k4 j& e$ p' `7 ^: q[    2.046904] 1f07              64 mtdblock7
. k; |- L6 l$ d3 b- F/ d[    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
; |/ R0 m- K: O& B$ O0 N8 I5 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
[    2.077485]  (driver?)
[    2.079916] 1f0a              64 mtdblock10  (driver?)
5 I# Q$ ~1 [, a* K[    2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
8 ^) x% |. a9 B                                                                                                                                          
去掉I2C驱动后也会出现同样的问题，请各位高手指教
: X/ Y: t; P1 B. B6 `+ T
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