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
8 M& V( `0 V; Y; f[    1.601224] Read MAC addr from SPI Flash: ff:ff:ff:ff:ff:ff
7 q2 |3 U# G* z9 P0 J( w0 K[    1.608128] spi_davinci spi_davinci.1: Controller at 0xfef0e000
; H* B3 `7 R& D1 y- @# e[    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
! d% [4 x1 E# _- V[    1.782316] _regulator_get: spi1.1 supply vcc not found, using dummy regulator
3 K1 N( b" j/ ][    1.790613] ads7846 spi1.1: touchscreen, irq 145
5 I5 h' P$ }7 C% O. ^1 J[    1.796961] input: ADS7846 Touchscreen as /devices/platform/spi_davinci.1/spi_master/spi1/spi1.1/input/input0
& [7 [8 C6 G. R6 j[    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
4 `3 I" {  l3 q' V# p[    1.831084] lirc_dev: IR Remote Control driver registered, major 253
4 B7 }' D+ Y. B# R& E[    1.837971] IR NEC protocol handler initialized
[    1.842583] IR RC5(x) protocol handler initialized
8 }+ c9 p2 Y9 \: `$ c[    1.847554] IR RC6 protocol handler initialized
% m. r2 \) e. C9 m2 g[    1.852136] IR JVC protocol handler initialized
# X, C. m/ e# Z[    1.856796] IR Sony protocol handler initialized
[    1.861480] IR RC5 (streamzap) protocol handler initialized
$ \$ J5 r8 n- d6 B+ _[    1.867170] IR SANYO protocol handler initialized
4 W6 T  ?5 J  \! Y[    1.871935] IR MCE Keyboard/mouse protocol handler initialized
: t" ]  G% \/ I2 A6 ]6 Z$ U9 S[    1.877882] IR LIRC bridge handler initialized
( o# o* b9 K& k[    1.882369] Linux video capture interface: v2.00
[    1.888722] watchdog watchdog: heartbeat 60 sec
6 h. C. l0 [3 H1 I3 R+ F8 I[    1.895285] cpuidle: using governor ladder
" R) b7 X  X; d2 ~. D: }[    1.900118] cpuidle: using governor menu
: {' B+ P+ ~& Y( W- n- G1 r[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
9 R2 ~1 ~3 o! R[    1.918396] TCP cubic registered
[    1.921694] NET: Registered protocol family 17
0 d: x9 m) S2 e[    1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator
+ @# P8 S" }4 c* B5 i[    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
[    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
2 M- N* q/ G# Y4 h5 Z* V7 r[    1.985997] VFS: Unable to mount root fs via NFS, trying floppy.
  r5 S' P/ Z+ ]- i' \+ K& x& g[    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:
3 [& b+ G" H% P) z[    2.009218] 1f00             128 mtdblock0  (driver?)
& j( y( G9 `3 c: \; @[    2.014571] 1f01             512 mtdblock1  (driver?)
[    2.020016] 1f02             512 mtdblock2  (driver?)
% ]2 S) O; z) i[    2.025353] 1f03            4096 mtdblock3  (driver?)
8 `/ z3 H# t( m7 o: |. U[    2.030825] 1f04          519040 mtdblock4  (driver?)
[    2.036225] 1f05              64 mtdblock5  (driver?)
6 f, O5 y& w  v& u! ^9 q& J[    2.041536] 1f06             512 mtdblock6  (driver?)
[    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?)
$ ?7 G5 g) C8 A9 W5 u[    2.067289] 1f09            4096 mtdblock9
  ]% \: p+ Q! a( d+ K7 O[    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)
2 V+ h$ M  x: ~  b1 b# Y# k                                                                                                                                          
8 ?6 i. J% L# w6 F& u然后串口就没有反应了，紧急求助
# D: j. K+ ~: }& P1 \

teddy

    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
[    2.059503]  (driver?)
8 W) E0 u' i9 E9 X7 [+ @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。
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