内核编译去掉USB驱动出现启动不了的问题 - OMAP-L138 - 嵌入式开发者社区 - 51ele.net
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内核编译去掉USB驱动出现启动不了的问题

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发表于 2014-8-14 11:34:36 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
启动现象如下0 d4 C+ i' e  @" v2 w( p1 j
[    1.601224] Read MAC addr from SPI Flash: ff:ff:ff:ff:ff:ff
0 g' `; V" U7 C- y' S. D1 ^3 T[    1.608128] spi_davinci spi_davinci.1: Controller at 0xfef0e000
& \# o3 ]1 w3 \- V3 e& B[    1.665922] davinci_mdio davinci_mdio.0: davinci mdio revision 1.5
3 Q1 H/ w$ c5 d! v[    1.765823] davinci_mdio davinci_mdio.0: timed out waiting for user access
  R' J* y5 B2 L% o7 g[    1.773673] davinci_mdio: probe of davinci_mdio.0 failed with error -50 E9 _( T4 e" ?( v  f
[    1.782316] _regulator_get: spi1.1 supply vcc not found, using dummy regulator7 H, v% Y  f' [/ n
[    1.790613] ads7846 spi1.1: touchscreen, irq 1458 J- m0 ~+ v  M. n) q
[    1.796961] input: ADS7846 Touchscreen as /devices/platform/spi_davinci.1/spi_master/spi1/spi1.1/input/input0% @9 V4 }" ^. j' h6 ~) \$ n3 u
[    1.811665] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0) I1 N; T# k( f% K9 r" X/ n! `
[    1.818481] omap_rtc: RTC power up reset detected
1 j# j9 f1 e! T3 Q1 p[    1.824103] i2c /dev entries driver
, v  S% A9 k3 ~/ r/ C0 Z9 u% m[    1.831084] lirc_dev: IR Remote Control driver registered, major 253
& t5 Z* M' {  \8 f[    1.837971] IR NEC protocol handler initialized
, g3 Q' J9 l+ H! E3 p7 ?: W) {[    1.842583] IR RC5(x) protocol handler initialized8 D: w- x) L/ t
[    1.847554] IR RC6 protocol handler initialized
# j9 G. q: p2 b1 H& M3 U[    1.852136] IR JVC protocol handler initialized
' I) h0 A  ?" c+ t! ~[    1.856796] IR Sony protocol handler initialized
6 d4 _9 F3 I% i$ f[    1.861480] IR RC5 (streamzap) protocol handler initialized6 B) a+ T' f- K2 `7 y; A% m
[    1.867170] IR SANYO protocol handler initialized  P6 K4 `$ J0 g, o' O* {6 n
[    1.871935] IR MCE Keyboard/mouse protocol handler initialized
! |# M; F* M; P8 I$ h[    1.877882] IR LIRC bridge handler initialized
5 o3 j/ K: w' C  W% E[    1.882369] Linux video capture interface: v2.00% c0 ~* `! @* w
[    1.888722] watchdog watchdog: heartbeat 60 sec
  I( b7 {- k8 g[    1.895285] cpuidle: using governor ladder* D4 O- N' Q$ a# H: R# S
[    1.900118] cpuidle: using governor menu# I7 V. M" O7 p4 Y$ j, w) g
[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
. S, u! K* Q/ G( R8 [[    1.918396] TCP cubic registered. M4 q7 W5 }+ Y. Y
[    1.921694] NET: Registered protocol family 17; Y+ S1 n- c* c
[    1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator! G3 ]9 ]$ `; u; g- g& e
[    1.942633] console [netcon0] enabled$ y# t* F9 d9 G  v# A  j
[    1.946844] netconsole: network logging started
/ H7 a  N* E& N6 y) n0 M[    1.951985] davinci_emac davinci_emac.1: using random MAC addr: 72:9d:29:ed:bd:8d
0 Q2 n6 m5 L! K- N5 c' O7 b9 r[    1.971301] omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)
8 H" f" t) Q5 V; C6 E5 P[    1.981557] Root-NFS: no NFS server address! l0 S% H8 v: l5 u0 t1 _
[    1.985997] VFS: Unable to mount root fs via NFS, trying floppy.5 [4 [: J  c9 }1 k# X4 V
[    1.993259] VFS: Cannot open root device "mmcblk0p2" or unknown-block(2,0)
, j/ K  _2 U; V3 q6 \5 t! l[    2.000512] Please append a correct "root=" boot option; here are the available partitions:0 u- l$ ?6 Q# g
[    2.009218] 1f00             128 mtdblock0  (driver?)
1 I( i3 x( w) B[    2.014571] 1f01             512 mtdblock1  (driver?)' c4 x6 R$ g4 p# z! r
[    2.020016] 1f02             512 mtdblock2  (driver?)
% l$ J6 `. W# o7 h6 W[    2.025353] 1f03            4096 mtdblock3  (driver?)
& ^: L% {8 x- \7 g[    2.030825] 1f04          519040 mtdblock4  (driver?)9 l  x. y9 ]$ X2 y/ k
[    2.036225] 1f05              64 mtdblock5  (driver?)
" E% J+ a0 _" I1 B& D; R; ]+ N" V+ U[    2.041536] 1f06             512 mtdblock6  (driver?)6 b! |5 _8 f% ^
[    2.046904] 1f07              64 mtdblock7
& x8 ?4 N. z7 A( ~6 C3 z! t[    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.7 E) _  }/ a" _4 W
[    2.059503]  (driver?)
. d& n# p* @" g2 ^+ S9 r3 X" q[    2.061933] 1f08            2560 mtdblock8  (driver?)
& I1 I" Z) y  s& o3 H7 _[    2.067289] 1f09            4096 mtdblock9. {4 b" J) m( @. @. E7 M8 j
[    2.071638] mmc0: new high speed SDHC card at address 1234* a% G" o# ]2 T. q
[    2.077485]  (driver?)* y9 Y' o# N5 Y9 h& P
[    2.079916] 1f0a              64 mtdblock10  (driver?)7 F% M( ]1 ^9 a! @5 B( @4 d
[    2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0); B0 Q1 D# u" R- e- b; |
                                                                                                                                           / r4 w+ J. ^1 r, M" h7 M
然后串口就没有反应了,紧急求助9 {" w; p3 C, t1 @2 K1 X* _0 N
0 S1 L3 h6 g! |
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发表于 2014-8-14 17:20:48 | 只看该作者
    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
# Y" x9 W6 o* Z7 N2 D- B[    2.059503]  (driver?)
& X3 r$ L% e0 [8 q3 p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。* L& @$ I/ e( T; m' e9 P
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