内核编译去掉USB驱动出现启动不了的问题

gaocaimary

启动现象如下
# ]( n3 N5 X4 c. M$ ~[    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
[    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
: w5 i2 W5 L9 `+ @& w2 p) Q[    1.782316] _regulator_get: spi1.1 supply vcc not found, using dummy regulator
[    1.790613] ads7846 spi1.1: touchscreen, irq 145
( A' c$ G8 _& w0 w2 j0 ~[    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
. q8 H/ n, {* i1 d0 H* `# e[    1.824103] i2c /dev entries driver
[    1.831084] lirc_dev: IR Remote Control driver registered, major 253
5 o8 O' ^) o& R/ O6 q" }7 s[    1.837971] IR NEC protocol handler initialized
[    1.842583] IR RC5(x) protocol handler initialized
, _7 @: w% ~# _/ E" L[    1.847554] IR RC6 protocol handler initialized
[    1.852136] IR JVC protocol handler initialized
$ b8 h6 I" \7 T. Y[    1.856796] IR Sony protocol handler initialized
: ^( E1 d7 c2 F[    1.861480] IR RC5 (streamzap) protocol handler initialized
[    1.867170] IR SANYO protocol handler initialized
  _' k0 K; K" D0 n3 A' f[    1.871935] IR MCE Keyboard/mouse protocol handler initialized
[    1.877882] IR LIRC bridge handler initialized
; O0 I* {: C' U1 S3 u. i[    1.882369] Linux video capture interface: v2.00
7 R8 [4 w. T2 E! G+ [[    1.888722] watchdog watchdog: heartbeat 60 sec
6 p+ k- Z+ U. k[    1.895285] cpuidle: using governor ladder
7 U8 F6 v4 z7 Z2 l1 k* `[    1.900118] cpuidle: using governor menu
. j5 l$ G2 n& v1 h[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
[    1.918396] TCP cubic registered
[    1.921694] NET: Registered protocol family 17
" ~1 q9 M/ z+ B# \[    1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator
2 Y6 q- f7 i1 Y  k5 X3 ^+ W( Z[    1.942633] console [netcon0] enabled
[    1.946844] netconsole: network logging started
[    1.951985] davinci_emac davinci_emac.1: using random MAC addr: 72:9d:29:ed:bd:8d
# a2 {: M* R2 D+ ?* m* t' V' G/ N" g' a[    1.971301] omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)
; `7 Q7 z9 x$ i/ t& k8 a. O2 Y6 B[    1.981557] Root-NFS: no NFS server address
5 Y4 F2 I7 ~& l4 ?5 J[    1.985997] VFS: Unable to mount root fs via NFS, trying floppy.
+ d. P+ c# ^. @+ n1 f[    1.993259] VFS: Cannot open root device "mmcblk0p2" or unknown-block(2,0)
+ p& }/ j5 \0 _' L7 x5 U[    2.000512] Please append a correct "root=" boot option; here are the available partitions:
; F) s) e3 u5 W: y! @[    2.009218] 1f00             128 mtdblock0  (driver?)
- f: @9 j+ q3 p7 S; @[    2.014571] 1f01             512 mtdblock1  (driver?)
+ ^3 ]/ A5 [, n6 c5 [) X' f6 u[    2.020016] 1f02             512 mtdblock2  (driver?)
) H2 o7 @2 a3 V& a[    2.025353] 1f03            4096 mtdblock3  (driver?)
[    2.030825] 1f04          519040 mtdblock4  (driver?)
[    2.036225] 1f05              64 mtdblock5  (driver?)
[    2.041536] 1f06             512 mtdblock6  (driver?)
4 B/ _% O( ?- P; L[    2.046904] 1f07              64 mtdblock7
[    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
[    2.059503]  (driver?)
[    2.061933] 1f08            2560 mtdblock8  (driver?)
" s$ S* @1 P" h[    2.067289] 1f09            4096 mtdblock9
[    2.071638] mmc0: new high speed SDHC card at address 1234
7 \7 ?$ e' y+ w/ m) t$ ~[    2.077485]  (driver?)
[    2.079916] 1f0a              64 mtdblock10  (driver?)
' R8 z& f2 N+ i; ^5 c/ s[    2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
                                                                                                                                          
然后串口就没有反应了，紧急求助
( C" H8 M4 {8 w6 ~8 H2 S" p9 I
3 J7 X3 u6 a# H& W

teddy

    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
[    2.059503]  (driver?)
您的问题，可能是sd的wp管脚被lock了，请检查一下sd卡，跟usb驱动应该无关的。